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400-007 Cisco Certified Design Expert (CCDE) Questions and Answers

Questions 4

Company XYZ uses an office model where the employees can use any open desk and plug their laptops in. They want to authenticate the end users using their domain username and password before allowing them access to the network. The design must also accommodate the ability of controlling traffic within the same group or subnet if a macro (or micro) segmentation-based model is adopted in the future. Which protocol can be recommended for this design to authenticate end users?

Options:

A.

LDAP

B.

EAP

C.

TACACS+

D.

RADIUS

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Questions 5

Which design principal improves network resiliency?

Options:

A.

Added load-balancing

B.

Added redundancy

C.

Added confidentiality

D.

Added reliability

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Questions 6

Drag and drop the FCAPS network management reference models from the left onto the correct definitions on the right.

400-007 Question 6

Options:

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Questions 7

Drag and drop the multicast protocols from the left onto the current design situation on the right.

400-007 Question 7

Options:

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Questions 8

Company XYZ branch offices connect to the headquarter sites using two links, MPLS and Internet. The company wants to design the traffic flow so that voice traffic goes through the MPLS link and all other traffic uses either the MPLS link or the Internet link. Which technique can the company use in their design to ensure that the traffic is not process switched?

Options:

A.

policy-based routing

B.

virtual links

C.

visualization

D.

floating static route

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Questions 9

Refer to the exhibit.

400-007 Question 9

The WAN network of the General Bank of Greece has experienced several outages It takes too long to activate a new branch site The networking department of the bank plans to upgrade the legacy end-of-life WAN network with a new flexible manageable, and scalable in-house solution The number of branches will increase exponentially in the next fiscal year The CTO states that the bank’s mam goal is OPEX reduction The network engineering team prepares a table to evaluate the available options Which WAN technology can be used for the solution?

Options:

A.

DMVPN over L3VPN

B.

Managed SD-WAN

C.

SD-WAN over L3VPN

D.

SD-WAN over L2VPN

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Questions 10

If the desire is to connect virtual network functions together to accommodate different types of network service connectivity what must be deployed?

Options:

A.

bridging

B.

service chaining

C.

linking

D.

daisy chaining

E.

switching

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Questions 11

An engineer is designing the QoS strategy for Company XYZ. Based on initial analysis, a lot of scavenger type of traffic is traversing the network's 20Mb Internet link toward the service provider. The new design must use a QoS technique that limits scavenger traffic to 2 Mbps, which helps avoid oversubscription of the link during times of congestion. Which QoS technique can be used to facilitate this requirement?

Options:

A.

class-based traffic policing

B.

LLQ

C.

CBWFQ

D.

class-based traffic shaping

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Questions 12

Refer to the exhibit.

400-007 Question 12

The network 10.10.0 .0/16 has been redistributed to OSPF processes and the best path to the destination from R1 has been chosen as R1-R2-R3 A failure occurred on the link between R2 and R3 and the path was changed to R1-R4-R5-R3 What happens when the link between R2 and R3 is restored'?

Options:

A.

The path R1-R4-R5-R3 continues to be the best path because the metric is better

B.

The path reverts back to R1-R2-R3 because the route type is E1

C.

The path R1-R4-R5-R3 continues to be the best path because OSPF does not compare the metrics between two domains

D.

The path reverts to R1-R2-R3 because this was the previous best path

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Questions 13

Which technology supports antispoofing and does not have any impact on encryption performance regardless of packet size?

Options:

A.

MACsec

B.

IP source guard

C.

DHCP snooping with DAI

D.

IPsec

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Questions 14

Which network management framework can be used to develop a network architecture that contains business requirements analysis, gap analysis, and network diagrams as artifacts to be used for design and implementation later?

Options:

A.

TOG

B.

ITIL

C.

FCAPS

D.

Cobit

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Questions 15

A consultant needs to evaluate project management methodologies for a new service deployment on the existing network of a customer. The customer wants to be involved in the end-to-end project progress and be provided with frequent updates. The customer also wants the ability to change the requirements if needed, as the project progresses. Which project management methodology should be used?

Options:

A.

three principles

B.

phased

C.

Agile

D.

Waterfall

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Questions 16

You want to mitigate failures that are caused by STP loops that occur before UDLD detects the failure or that are caused by a device that is no longer sending BPDUs. Which mechanism do you use along with UDLD?

Options:

A.

Root guard

B.

BPDU guard

C.

Loop guard

D.

BPDU filtering

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Questions 17

Refer to the exhibit.

400-007 Question 17

For Company XYZ Bangkok is using ECMP to reach the 172 20 2 0/24 network The company wants a design that would allow them to forward traffic from 172 16 2 0/24 toward 172 20 2 0/24 via the Singapore router as the preferred route The rest of the traffic should continue to use ECMP Which technology fulfills this design requirement?

Options:

A.

policy-based routing

B.

route summarization

C.

unequal-cost load balancing using variance

D.

LFA

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Questions 18

What is the most important operational driver when building a resilient and secure modular network design?

Options:

A.

Reduce the frequency of failures requiring human intervention

B.

Minimize app downtime

C.

Increase time spent on developing new features

D.

Dependencies on hardware or software that is difficult to scale

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Questions 19

You are designing a large-scale DMVPN network with more than 500 spokes using EIGRP as the IGP protocol Which design option eliminates potential tunnel down events on the spoke routers due to the holding time expiration?

Options:

A.

Increase the hold queue on the physical interface of the hub router.

B.

Increase the hold queue on the tunnel interface of the spoke routers

C.

Increase the hold queue on the tunnel interface of the hub router

D.

Apply QoS for pak_priority class

E.

Increase the hold queue on the physical interface of the spoke routers.

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Questions 20

A business requirement stating that failure of WAN access for dual circuits into an MPLS provider for a Data Centre cannot happen due to related service credits that would need to be paid has led to diversely routed circuits to different points of presence on the providers network? What should a network designer also consider as part of the requirement?

Options:

A.

Provision of an additional MPLS provider

B.

Out of band access to the MPLS routers

C.

Ensuring all related remote branches are dual homed to the MPLS network

D.

Dual PSUs & Supervisors on each MPLS router

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Questions 21

An enterprise campus is adopting a network virtualization design solution with these requirements

  • It must include the ability to virtualize the data plane and control plane by using VLANs and VRFs
  • It must maintain end-to-end logical path transport separation across the network
  • resources available grouped at the access edge

Which two primary models can this network virtualization design be categorized? (Choose two)

Options:

A.

Path isolation

B.

Session isolation

C.

Group virtualization

D.

Services virtualization

E.

Edge isolation

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Questions 22

You are designing a network running both IPv4 and IPv6 to deploy QoS Which consideration is correct about the QoS for IPv4 and IPv6?

Options:

A.

IPv4 and IPv6 traffic types can use use queuing mechanisms such as LLQ, PQ and CQ.

B.

IPv6 packet classification is only available with process switching, whereas IPv4 packet classification is available with both process switching and CEF.

C.

IPv6 and IB/4 traffic types can use a single QoS policy to match both protocols

D.

Different congestion management mechanisms need to be used for IPv4 and IPv6 traffic types

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Questions 23

Which design consideration is valid when you contrast fabricPath and trill?

Options:

A.

FabricPath uses IS-IS, but TRILL uses VxLAN

B.

FabricPath permits active-active FHRP and TRILL support anycast gateway.

C.

FabricPath Permits ECMP, but TRILL does not

D.

FabricPath permits active-active mode, but TRILL supports only active-standby mode.

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Questions 24

Which design benefit of bridge assurance is true?

Options:

A.

It supposes a spanning-tee topology change upon connecting and disconnecting a station on a port

B.

It prevents switched traffic from traversing suboptimal paths on the network.

C.

It allows small, unmanaged switches to be plugged into ports of access switches without the risk of switch loops.

D.

It prevents switch loops caused by unidirectional point-to-point link condition on Rapid PVST + and MST

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Questions 25

A network security team observes phishing attacks on a user machine from a remote location. The organization has a policy of saving confidential data on two different systems using different types of authentication. What is the next step to control such events after the security team verifies all users in Zero Trust modeling?

Options:

A.

Enforce risk-based and adaptive access policies.

B.

Assess real-time security health of devices.

C.

Apply a context-based network access control policy for users.

D.

Ensure trustworthiness of devices.

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Questions 26

What statement describes the application layer as defined in the software-defined networking architecture?

Options:

A.

This layer is responsible for collecting the network status such as network usage and topology.

B.

This layer contains programs that communicate their desired network behavior to controllers.

C.

This layer is responsible for handling packets based on the rules provided by the controller.

D.

This layer processes the instructions and requirements sent by networking components.

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Questions 27

In the case of outsourced IT services, the RTO is defined within the SLA. Which two support terms are often included in the SLA by IT and other service providers? (Choose two.)

Options:

A.

network size and cost

B.

support availability

C.

network sustainability

D.

network reliability

E.

resolution time

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Questions 28

A business invests in SDN and develops its own SDN controller that, due to budget constraints, runs on a single controller. The controller actively places an exclusive lock on the configuration of the devices to ensure it is the only source of changes to the environment. What is the result if the controller fails?

Options:

A.

All device configurations are in read-only mode until the controller is restored.

B.

The control plane is unavailable until the controller is restored.

C.

If a device fails, the configuration backup is unavailable-

D.

Manual changes are only possible until the controller is restored

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Questions 29

The Agile Manifesto is a document that defines the key values and principles behind the Agile philosophy and helps development teams work more efficiently and sustainably Each of the four key values is split into two sections a left-hand side and a right-hand side In other words, though there is value in the items on the right we value the items on the left more What is one of the key values of the Agile Manifesto?

Options:

A.

comprehensive documentation over working software

B.

contract negotiation over customer collaboration

C.

individuals and interactions over processes and tools

D.

following a plan over responding to change

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Questions 30

Which action must be taken before new VoIP systems are implemented on a network to ensure that the network is ready to handle the traffic?

Options:

A.

Evaluate bandwidth utilization and connection quality

B.

Enable special requirements such as direct DID lines on pickup

C.

Make recommendations to limit the size of the half-open session table on routers

D.

Check if anomaly detection is enabled for SIP and H.323 on Layer 3 devices

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Questions 31

Identity and access management between multiple users and multiple applications has become a mandatory requirement for Company XYZ to fight against ever increasing cybersecurity threats. To achieve this, federated identity services have been deployed in the Company XYZ network to provide single sign-on and Multi-Factor Authentication for the applications and services. Which protocol can be used by Company XYZ to provide authentication and authorization services?

Options:

A.

OAuth2

B.

OpenID Connect

C.

OpenID

D.

SAML2.0

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Questions 32

An enterprise solution team is performing an analysis of multilayer architecture and multicontroller SDN solutions for multisite deployments. The analysis focuses on the ability to run tasks on any controller via a standardized interface. Which requirement addresses this ability on a multicontroller platform?

Options:

A.

Deploy a root controller to gather a complete network-level view.

B.

Use the East-West API to facilitate replication between controllers within a cluster.

C.

Build direct physical connectivity between different controllers.

D.

Use OpenFlow to implement and adapt new protocols.

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Questions 33

What is a characteristic of a secure cloud architecture model?

Options:

A.

limited access to job function

B.

dedicated and restricted workstations

C.

multi-factor authentication

D.

software-defined network segmentation

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Questions 34

A customer migrates from a traditional Layer 2 data center network into a new SDN-based spine-and-leaf VXLAN EVPN data center within the same location The networks are joined to enable host migration at Layer 2 What is the final migration step after hosts have physically migrated to have traffic flowing through the new network without changing any host configuration?

Options:

A.

Shut down legacy Layer 3 SVIs. clear ARP caches on all hosts being migrated and then configure the legacy VRRP address onto new VXLAN core switches

B.

Increase VRRP priorities on new infrastructure over legacy VRRP values, then shut down legacy SVIs

C.

Shut down legacy infrastructure to allow VXLAN gateways to become active

D.

Shut down legacy Layer 3 SVIs and activate new preconfigured Layer 3 SVIs on VXLAN

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Questions 35

You are designing the QoS policy for a company that is running many TCP-based applications. The company is experiencing tail drops for these applications. The company wants to use a congestion avoidance technique for these applications. Which QoS strategy can be used to fulfill the requirement?

Options:

A.

weighted fair queuing

B.

weighted random early detection

C.

low-latency queuing

D.

first-in first-out

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Questions 36

Which three items do you recommend for control plane hardening of an infrastructure device? (Choose three.)

Options:

A.

routing protocol authentication

B.

SNMPv3

C.

Control Plane Policing

D.

redundant AAA servers

E.

warning banners

F.

to enable unused services

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Questions 37

What is an architectural framework created by ETSI that defines standards to decouple network functions from proprietary hardware-based appliances and have them run in software on standard x86 servers?

Options:

A.

NPIV

B.

NFVIS

C.

NFV

D.

VNF

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Questions 38

Which two features control multicast traffic in a VLAN environment? (Choose two)

Options:

A.

IGMP snooping

B.

MLD snooping

C.

RGMP

D.

PIM snooping

E.

pruning

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Questions 39

An engineer is designing a DMVPN network where OSPF has been chosen as the routing protocol A spoke-to-spoke 'J

Options:

A.

Configure all the sites as network type broadcast

B.

The network type on all sites should be point-to-multipoint

C.

The network type should be point-to-multipoint for the hub and point-to-point for the spokes.

D.

The hub should be set as the DR by specifying the priority to 255.

E.

The hub should be the DR by changing the priority of the spokes to 0.

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Questions 40

400-007 Question 40

Refer to the exhibit. An architect must design an enterprise WAN that connects the headquarters with 22 branch offices. The number of remote sites is expected to triple in the next three years. The final solution must comply with these requirements:

  • Only the loopback address of each of the enterprise CE X and Y routers must be advertised to the interconnecting service provider cloud network.
  • The transport layer must carry the VPNv4 label and VPN payload over the MP-BGP control plane.
  • The transport layer must not be under service provider control.

Which enterprise WAN transport virtualization technique meets the requirements?

Options:

A.

EIGRP Over the Top

B.

MPLS over BGP over multipoint GRE

C.

DMVPN per VRF

D.

point-to-point GRE per VRF

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Questions 41

You are tasked with the design of a high available network. Which two features provide fail closed environments? (Choose two.)

Options:

A.

EIGRP

B.

RPVST+

C.

MST

D.

L2MP

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Questions 42

Which two features describe controller-based networking solutions compared to traditional networking solutions? (Choose two.)

Options:

A.

inflate licensing costs

B.

reduce network configuration complexity

C.

provide centralization of primary IT functions

D.

allow for fewer network failures

E.

increase network bandwidth usage

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Questions 43

Refer to the exhibit.

400-007 Question 43

This network is running OSPF as the routing protocol. The internal networks are being advertised in OSPF London and Rome are using the direct link to reach each other although the transfer rates are better via Barcelona Which OSPF design change allows OSPF to calculate the proper costs?

Options:

A.

Change the OSPF reference bandwidth to accommodate faster links.

B.

Filter the routes on the link between London and Rome

C.

Change the interface bandwidth on all the links.

D.

Implement OSPF summarisation to fix the issue

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Questions 44

While reviewing an existing network design, you are discussing the characteristics of different STP versions. Which protocol minimizes unicast flooding during a Topology Change Notification in a Layer 2 switched network with many VLANs?

Options:

A.

PVRSTP

B.

MST

C.

STP

D.

PVSTP+

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Questions 45

While designing a switched topology, in which two options is UplinkFast recommended? (Choose two )

Options:

A.

when switches of different spanning-tree types are connected (for example. 802.1d connecting to 802.1w)

B.

on distribution layer switches

C.

when hello timers are changed to more aggressive values

D.

on access layer switches

E.

on the core switches

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Questions 46

Which feature must be part of the network design to wait a predetermined amount of time before notifying the routing protocol of a change in the path in the network?

Options:

A.

Transmit delay

B.

Throttle timer

C.

SPF hold time

D.

Interface dampening

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Questions 47

A Tier-3 Service Provider is evolving into a Tier-2 Service Provider due to the amount of Enterprise business it is receiving The network engineers are re-evaluating their IP/MPLS design considerations in order to support duplicate/overlapping IP addressing from their Enterprise customers within each Layer3 VPN. Which concept would need to be reviewed to ensure stability in their network?

Options:

A.

Assigning unique Route Distinguishers

B.

Assigning unique Route Target ID'S

C.

Assigning unique IP address space for the Enterprise NAT/Firewalls

D.

Assigning unique VRF ID's to each L3VPN

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Questions 48

Which optimal use of interface dampening on a fast convergence network design is true?

Options:

A.

When occasional flaps of long duration occur

B.

when numerous adjacent flaps of very short duration occur

C.

when the router hardware it slower than the carrier delay down detection

D.

when the switch hardware is faster than the debounce timer down detection

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Questions 49

Which feature is supported by NETCONF but is not supported by SNMP?

Options:

A.

distinguishing between configuration data and operational data

B.

taking administrative actions

C.

collecting the status of specific fields

D.

changing the configuration of specific fields

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Questions 50

Refer to the exhibit.

400-007 Question 50

An engineer is designing the traffic flow for AS 111. Traffic from AS 111 should be preferred via AS 100 for all external routes. A method must be used that only affects AS 111. Which BGP attributes are best suited to control outbound traffic?

Options:

A.

community

B.

MED

C.

local preference

D.

As path

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Questions 51

Which methodology is the leading lifecycle approach to network design and implementation?

Options:

A.

PPDIOO

B.

Waterfall model

C.

Spiral model

D.

V model

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Questions 52

Which two conditions must be met for EIGRP to maintain an alternate loop-free path to a remote network? (Choose two.)

Options:

A.

The Reported Distance from a successor is lower than the local Feasible Distance.

B.

The Reported Distance from a successor is higher than the local Feasible Distance.

C.

The feasibility condition does not need to be met.

D.

The Feasible Distance from a successor is lower than the local Reported Distance.

E.

A feasible successor must be present.

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Questions 53

As part of workspace digitization, a large enterprise has migrated all their users to Desktop as a Sen/ice (DaaS), by hosting the backend system in their on-premises data center. Some of the branches have started to experience disconnections to the DaaS at periodic intervals, however, local users in the data center and head office do not experience this behavior. Which technology can be used to mitigate this issue?

Options:

A.

tail drop

B.

traffic shaping

C.

WRED

D.

traffic policing

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Questions 54

Which DCI technology utilizes a “flood and learn” technique to populate the Layer2 forwarding table?

Options:

A.

LISP

B.

OTV

C.

VPLS

D.

EVPN

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Questions 55

Drag and drop the optical technology design characteristics on the left to the correct optical technologies on the right. Not all options are used

400-007 Question 55

Options:

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Questions 56

Which relationship between IBGP and the underlying physical topology is true?

Options:

A.

iBGP full mesh requirement does not dictate any specific network topology.

B.

iBGP can worn only on a ring network topology with a link-state protocol like OSPF or IS-IS

C.

iBGP full mesh requires an underlying fully meshed network topology.

D.

iBGP does not work on a ring network topology even with an underlying IGP.

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Questions 57

A business wants to centralize services via VDI technology and to replace remote WAN desktop PCs with thin client-type machines to reduce operating costs Which consideration supports the new business requirement?

Options:

A.

VDI servers should be contained centrally within a DMZ

B.

The thin client traffic should be placed in a WAN QoS priority queue

C.

VDI servers should be contained within dedicated VLANs in each branch location

D.

The WAN should offer low latency and be resized

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Questions 58

An enterprise organization currently provides WAN connectivity to their branch sites using MPLS technology, and the enterprise network team is considering rolling out SD-WAN services for all sites.

With regards to the deployment planning, drag and drop the actions from the left onto the corresponding steps on the right.

400-007 Question 58

Options:

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Questions 59

An architect prepares a network design for a startup company. The design must be able to meet business requirements while the business grows and divests due to rapidly changing markets. What is the highest priority in this design?

Options:

A.

The network should be hierarchical

B.

The network should be modular.

C.

The network should be scalable.

D.

The network should have a dedicated core.

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Questions 60

Company XYZ is running BGP as their routing protocol. An external design consultant recommends that TCP path MTU discovery be enabled. Which effect will this have on the network?

Options:

A.

It will enhance the performance of TCP-based applications.

B.

It will increase the convergence time.

C.

It will improve the convergence time.

D.

It will create a loop free path.

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Questions 61

What is a description of a control plane action?

Options:

A.

de-encapsulating and re-encapsulating a packet in a data-link frame

B.

matching the destination MAC address of an Ethernet frame to the MAC address table

C.

matching the destination IP address of an IP packet to the IP routing table

D.

hosts locating routers that reside on attached links using the IPv6 Neighbor Discover Protocol

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Questions 62

What are two common approaches to analyzing and designing networks? (Choose two.)

Options:

A.

bottom-up approach

B.

high-low security approach

C.

top-down approach

D.

left-right approach

E.

three-tier approach

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Questions 63

Company XYZ has a new network based on IPv6. Some of the subnets that they are planning to use will be confidential and need an addressing scheme that confines them to the local campus network. Which type of IPv6 addresses can be used for these networks in the IPv6 addressing design?

Options:

A.

local addresses

B.

private addresses

C.

link-local addresses

D.

unique local addresses

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Questions 64

During evaluation of migrating current on premises infrastructure to add cloud-based infrastructure, a network planning team must meet three core requirements as they make recommendations on which cloud strategy to adopt going forward

• Technology is changing rapidly, therefore the enterprise must be open to adopting new ways of doing things, and be ready to invest CapEx-funds in the next three years

• Network bandwidth capacity requirements are dynamic and are expected to change over the next year

• If new technologies are to be introduced, operational expenses must be kept at a minimum. Which cloud strategy meets these requirements?

Options:

A.

private

B.

hybrid

C.

public

D.

multicloud

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Questions 65

Company XYZ wants to improve the security design of their network to include protection from reconnaissance and DoS attacks on their sub interfaces destined toward next hop routers. Which technology can be used to prevent these types of attacks?

Options:

A.

MPP

B.

CPPr

C.

CoPP

D.

DPP

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Questions 66

Refer to the table.

400-007 Question 66

A customer investigates connectivity options for a DCI between two production data centers to aid a large-scale migration project. The migration is estimated to take 20 months to complete but might extend an additional 10 months if issues arise. All connectivity options meet the requirements to migrate workloads. Which transport technology provides the best ROI based on cost and flexibility?

Options:

A.

CWDM over dark fiber

B.

MPLS

C.

DWDM over dark fiber

D.

Metro Ethernet

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Questions 67

Router R1 is a BGP speaker with one peering neighbor over link "A". When the R1 link/interface "A" fails, routing announcements are terminated, which results in the tearing down of the state for all BGP routes at each end of the link. What is this a good example of?

Options:

A.

fault isolation

B.

resiliency

C.

redundancy

D.

fate sharing

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Questions 68

Company XYZ has a hub-and-spoke topology over an SP-managed infrastructure. To measure traffic performance metrics, they implemented IP SLA senders on all spoke CE routers and an IP SLA responder on the hub CE router. What must they monitor to have visibility on the potential performance impact due to the constantly increasing number of spoke sites?

Options:

A.

CPU and memory usage on the spoke routers

B.

memory usage on the hub router

C.

CPU usage on the hub router

D.

interface buffers on the hub and spoke routers

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Questions 69

Which two characteristics are associated with 802 1s? (Choose two)

Options:

A.

802.1s supports up to 1024 instances of 802.1

B.

802.1 s is a Cisco enhancement to 802.1w.

C.

802.1s provides for faster convergence over 802 1D and PVST+.

D.

CPU and memory requirements are the highest of all spanning-tree STP implementations.

E.

802.1s maps multiple VLANs to the same spanning-tree instance

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Questions 70

An existing wireless network was designed to support data traffic only. You must now install context Aware services for location tracking changes must be applied to the existing wireless network to increase the location accuracy? (Chose two)

Options:

A.

Add access points along the perimeter of the coverage area.

B.

Increase the access point density to create an average inter-access point distance of less than 40 feet or 12.2 meters

C.

Use directional antennas to provide more cell overlapping

D.

Install additional access points in monitor mode where the co-channel interference would otherwise be affected

E.

Fine tune the radio configuration of the access point to have a higher average transmission power to achieve better coverage

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Questions 71

You have been asked to design a high-density wireless network for a university campus. Which two principles would you apply in order to maximize the wireless network capacity? (Choose two.)

Options:

A.

Implement a four-channel design on 2.4 GHz to increase the number of available channels

B.

Choose a high minimum data rate to reduce the duty cycle.

C.

increases the number of SSlDs to load-balance the client traffic.

D.

Make use of the 5-GHz band to reduce the spectrum utilization on 2.4 GHz when dual-band clients are used.

E.

Enable 802.11n channel bonding on both 2.4 GHz and 5 GHz to increase the maximum aggregated cell throughput.

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Questions 72

Which development model is closely associated with traditional project management?

Options:

A.

static model

B.

Agile model

C.

evolutionary delivery model

D.

lifecycle model

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Questions 73

Drag and drop the multicast protocols from the left onto the current design situation on the right.

400-007 Question 73

Options:

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Questions 74

Retef to the exhibit.

400-007 Question 74

This network is running OSPF and EIGRP as the routing protocols Mutual redistribution of the routing protocols has been contoured on the appropriate ASBRs The OSPF network must be designed so that flapping routes m EIGRP domains do not affect the SPF runs within OSPF The design solution must not affect the way EIGRP routes are propagated into the EIGRP domains Which technique accomplishes the requirement?

Options:

A.

route summarization the ASBR interfaces facing the OSPF domain

B.

route summarization on the appropriate ASBRS.

C.

route summarization on the appropriate ABRS.

D.

route summarization on EIDRP routers connecting toward the ASBR

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Questions 75

Which mechanism provides Layer 2 fault isolation between data centers?

Options:

A.

fabric path

B.

OTL

C.

advanced VPLS

D.

LISP

E.

TRILL

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Questions 76

Which solution component helps to achieve comprehensive threat protection and compliance for migration to multicloud SDX architectures?

Options:

A.

system-oriented architecture

B.

OSASE architecture

C.

platform-oriented architecture

D.

SASE architecture

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Questions 77

When consumers that leverage laaS reach 100% resource capacity, what can be used to redirect the overflow of traffic to the public cloud so there is no disruption to service?

Options:

A.

cloud policing

B.

cloud spill

C.

cloud bursting

D.

cloud shaping

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Questions 78

Company XYZ is designing the network for IPv6 security and they have these design requirements:

  • A switch or router must deny access to traffic from sources with addresses that are correct, but are topologically incorrect
  • Devices must block Neighbor Discovery Protocol resolution for destination addresses that are not found in the binding table.

Which two IPv4 security features are recommended for this company? (Choose two)

Options:

A.

IPv6 DHCP Guard

B.

IPv6 Source Guard

C.

IPv6 Destination Guard

D.

IPv6 Prefix Guard

E.

IPv6 RA Guard

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Questions 79

Which three components are part of the foundational information security principles of the CIA triad? (Choose three.)

Options:

A.

cryptography

B.

confidentiality

C.

authorization

D.

identification

E.

integrity

F.

availability

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Questions 80

Which two factors must be considered for high availability in campus LAN designs to mitigate concerns about unavailability of network resources? (Choose two.)

Options:

A.

device resiliency

B.

device type

C.

network type

D.

network resiliency

E.

network size

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Questions 81

As network designer, which option is your main concern with regards to virtualizing multiple network zones into a single hardware device?

Options:

A.

Fate sharing

B.

CPU resource allocation

C.

Congestion control

D.

Security

E.

Bandwidth allocation

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Questions 82

How must the queue sizes be designed to ensure that an application functions correctly?

Options:

A.

Each individual device queuing delay in the chain must be less than or equal to the application required delay.

B.

The queuing delay on every device in the chain must be exactly the same to the application required delay.

C.

The default queue sizes are good for any deployment as it compensates the serialization delay.

D.

The sum of the queuing delay of all devices plus serialization delay in the chain must be less than or equal to the application required delay.

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Questions 83

Which three Cisco products are used in conjunction with Red Hat to provide an NFVi solution? (Choose three.)

Options:

A.

Cisco Prime Service Catalog

B.

Cisco Open Virtual Switch

C.

Cisco Nexus switches

D.

Cisco UCS

E.

Cisco Open Container Platform

F.

Cisco Virtual Network Function

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Questions 84

An enterprise that runs numerous proprietary applications has major issues with its on-premises server estate hardware, to the point where business-critical functions are compromised. The enterprise accelerates plans to migrate services to the cloud. Which cloud service should be used if the enterprise wants to avoid hardware issues yet have control of its applications and operating system?

Options:

A.

SaaS

B.

PaaS

C.

laaS

D.

hybrid cloud

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Questions 85

What are two descriptions of network optimization? (Choose two.)

Options:

A.

maintain high availability

B.

proactive network management

C.

network redesign

D.

network health maintenance

E.

identify network requirements

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Questions 86

You are designing a network for a branch office. In order to improve convergence time, you are required to use the BFD feature Which four routing protocols can you use to facilitate this? (Choose four.)

Options:

A.

IS-IS

B.

static

C.

RIP

D.

EIGRP

E.

BGP

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Questions 87

A healthcare customer requested that SNMP traps must be sent over the MPLS Layer 3 VPN service. Which protocol must be enabled?

Options:

A.

SNMPv3

B.

Syslog

C.

Syslog TLS

D.

SNMPv2

E.

SSH

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Questions 88

Company XYZ wants to use the FCAPS ISO standard for network management design. The focus of the design should be to monitor and keep track of any performance issues by continuously collecting and analyzing statistical information to monitor, correct, and optimize any reduced responsiveness across the network. Which layer accomplishes this design requirement?

Options:

A.

fault management

B.

accounting management

C.

performance management

D.

security management

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Questions 89

The controller has a global view of the network, and it can easily ensure that the network is in a consistent and optimal configuration. Which two statements describe a centralized SDN control path? (Choose two.)

Options:

A.

Scaling of the centralized controller cluster is challenging for services like DHCP and load-balancing.

B.

It is highly-available by design with no single-point-of-failure risks present.

C.

Integrating smart NIC capabilities on the local host level is made easier through rest APIs.

D.

It significantly improves the latency when performing reactive handling of PACKET_IN events.

E.

It centralized controller can support all southbound APIs, which allows for easy integration with legacy equipment.

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Exam Code: 400-007
Exam Name: Cisco Certified Design Expert (CCDE)
Last Update: Mar 24, 2024
Questions: 299

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