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352-011 Cisco Certified Design Expert Practical Exam Questions and Answers

Questions 4

Which two components are the responsibility of the customers in a platform as a Service offering? (Choose two)

Options:

A.

Applications

B.

Infrastructure connectivity

C.

Hardware

D.

Data

E.

APIs

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Questions 5

Refer to the exhibit.

352-011 Question 5

Each branch network must connect to the HQ and other branch networks over the phase 2 DMVPN network using a single tunnel interface. OSPF is running over the DMVPN network. Which network type is compatible with the DMVPN tunnel and ensures that the next hop of any route is unchanged?

Options:

A.

Point-to-point

B.

Point-to-multipoint

C.

Broadcast

D.

Nonbroadcast

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Questions 6

In an OSPF network, users in a particular OSPF non-backbone area are complaining about show access speeds to a shared corporate resource in another OSPF area. Traceroutes show that the users are taking a suboptimal default route to the destinations. Which solution will improve access speed?

Options:

A.

Make the area totally stubby so that the default can be followed along the best path

B.

Create a virtual link between the areas so that traffic can shortcut directly between them

C.

Leak specific summaries on the ABRs for the remote subnets in addition to the default

D.

Implement policy routing to channel the traffic in the optimal direction

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Questions 7

Refer to the exhibit.

352-011 Question 7

This network is running IS-IS as the single routing protocol and the LSP and SPF timers are aggressively configured so the network converges in subsecond. The customer reports that router B had a memory crash and reloaded. Which resulted in some packets from the application being lost. The application servers are behind router G and the end users are behind router H, which design change should be made to prevent this packet-loss problem from reoccurring?

Options:

A.

Use asymmetric carrier delay timer

B.

Deploy all links as point-to-point

C.

Redesign the network as a flat level 2

D.

Optimize the LSP/SPF timers to send LSPs immediately after a topology change

E.

Enable the advertisement of the overload bit for a specific amount of time after reload on router B

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Questions 8

How can a network designer reduce the amount of LSA flooding occurring in a large, single area fully-meshed OSPF topology?

Options:

A.

Implemented passive OSPF interfaces on the routers not participating on the DR/BDR election.

B.

Use access control lists to control outbound advertisements.

C.

Ensure DR and BDR routers are placed optimally in the topology.

D.

Place all point-to-point links in their own dedicated areas.

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Questions 9

What is an effect of using ingress filtering to prevent spoofed addresses on a network design?

Options:

A.

It reduces the effect of DDoS attacks when associated with DSCP remaking to Scavenger

B.

It protects the network infrastructure against spoofed DDoS attacks

C.

It filters RFC 1918 addresses

D.

It classifies bogon traffic and remarks it with DSCP bulk

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Questions 10

352-011 Question 10

Options:

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Questions 11

Which option describes the fundamental design differences between an IP-based network design and a SAN-based?

Options:

A.

An IP-based design has redundant connectivity in the fabric and high amounts of east-west traffic, whereas a SAN-based design uses redundancy from a dual-attached host, which uses separate fabrics and has very little east-west traffic

B.

An IP-based design has redundancy from the host and high amounts of east-west traffic, whereas a SAN-based design uses redundancy in the fabric and very little east-west traffic

C.

An IP-based design has redundant connectivity in the fabric and high amounts of east-west traffic, whereas a SAN-based design uses zoning based redundancy which uses separate fabrics and has very little east-west traffic

D.

An IP-based design has redundant connectivity in the fabric and very little east-west traffic, whereas a SAN-based design uses redundancy in the host, which uses separate fabrics and has high amounts of east-west traffic

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Questions 12

.which two options are benefits of using Topology Independent Loop-Free Alternate in WAN design? (Choose two)

Options:

A.

It provides backup convergence for all topologies by avoiding the post-convergence path

B.

It maximizes the network utilization by load-sharing across low bandwidth and edge links while IGP convergence is in progress

C.

No additional protocols are required in the MPLS network because it uses LDP labels to signal the backup path

D.

Although it requires enabling segment routing, SR does not have to be activated as the preferred forwarding method

E.

It can provide backup paths for IPv4, IPv6 and LDP traffic

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Questions 13

Refer to the exhibit.

352-011 Question 13

You are designing MPLS-TE for this network. The links form Perth to Sydney and from Perth to Adelaide share the same optical fiber in one given segment. Which feature should you implement to eliminate the risk that a backup tunnel is installed over the same optical fiber as the primary one?

Options:

A.

Shared Risk Link Groups

B.

MPLS-TE Path Protection

C.

MPLS-TE auto-tunnel backup

D.

MPLS-TE Link protection

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Questions 14

The enterprise customer ABC Corp will deploy a centralized unified communications application to provide voice, and instant messaging to their branch offices. Some of the branch offices are located in remote locations and are connected via a 1.5 Mb/s Layer 3 VPN connection. Which two ways are the most cost-effective to ensure that this new application is implemented properly? (Choose two)

Options:

A.

Use a low bitrate codec such as G 711

B.

Set voice activity detection to avoid sending packets when the conversations is silent

C.

Enable VRF-Lite on the CE router to create a separate voice VRF

D.

Set LFI on the WAN connections to interleave the small voice packets with the large data packets

E.

Set WAN optimization on the CE router to compress the voice packets for improved bandwidth utilization and performance

F.

Use a low bitrate codec such as G 729

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Questions 15

Refer to the exhibit.

352-011 Question 15

On this MPLS-based network ring, links have failed between router A and router E. These failures formed microloops while the network converged, when A forwarded traffic to B but B forwards it back to A. Which technology is the simplest solution to avoid microloops without enabling a new protocol in the network?

Options:

A.

TE Fast ReRoute

B.

IP Fast ReRoute

C.

Loop-Free Alternate

D.

Remote Loop-Free Alternate

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Questions 16

An enterprise customer A with provider-independent address space is dual-homed to two ISP. Which two options , when combined, allow for customer A to efficiently achieve out-bond traffic load-balancing? ( Choose two)

Options:

A.

Advertise Customer A subnets with a shorter AS path prepend to one of the ISPs than to the other

B.

Advertise Customer A subnets with different MED values to the two ISPs

C.

Accept a default route from both ISPs

D.

Make the CE connected to both ISPs route reflector

E.

Accept the routes originated on both ISPs and their direct peers

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Questions 17

A DMVPN network is being deployed for 10 branch sites to connect to the central headquarters over the Internet. Each branch site connects to the internet via a 1.5 Mb/s ADSL line, and the headquarters connects to the Internet over a 100Mb/s circuit limited to 20 Mb/s by the service provider. Which QoS mechanism if any, do you recommend at the headquarters location?

Options:

A.

Rate-limiting the 100 Mb/s circuit to 20 Mb/s

B.

Applying hierarchical QoS with parent policy for the overall circuit and child policy for the spokes

C.

Traffic shaping the 100 Mb/s circuit to 20 Mb/s

D.

QoS is not required in this instance due to maximum traffic being received by the branches being 15 Mb/s

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Questions 18

You are reviewing a new data center design for a customer. They chose to leverage a tunnel-based overlay technology for quick deployment and multitenant security. Which design concern can affect the availability across the data center?

Options:

A.

Nonoverlapping IP address space between the overlay networks

B.

MTU size on the underlay links

C.

Review of comman paths on the underlay links

D.

Paper placement of STP root bridge in overlay networks

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Questions 19

Refer to the exhibit.

352-011 Question 19

As part of your design to monitor reachable services, a route health injector has just been deployed on the network. The route health injector injects /32 host routes into BGP with the next hop of 192.18.0.2, but the /32 routes are not being installed into the RIB or FIB of Router A. Which BGP feature must be deployed to make be deployed to make the design to work?

Options:

A.

BGP community attributes

B.

MP-BGP

C.

BGP AS-Path prepending

D.

eBGP multihop attribute

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Questions 20

The cloud service provider CSP is planning to launch five data centers in Egypt, United Arab Emirates, Saudi Arabia, Qatar and Turkey. CSP is looking for VLAN extension and DCIs between these five data centers to allow for software replication, where original and backup VMs must be on the same subnet. Which tunneling technology must they use?

Options:

A.

VPLS

B.

IPsec VPN

C.

VPWS

D.

L2TPv3

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Questions 21

Which option reduces jitter in a VoIP network?

Options:

A.

Deploy WRED

B.

Deploy call Admission Control

C.

Adjust the playout delay buffer at the receiver

D.

Increase the bandwidth of the links

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Questions 22

Refer to the exhibit.

352-011 Question 22

Service provider ACME Internet just added a 100 GB/s peering in Paris that it wants to use by default for outbound traffic to Big ISP. Which routing policy achieves the desired outcomes?

Options:

A.

Use traffic engineering by injecting a preferred LOCAL_PREF attribute to routes advertised from Very Big ISP in Paris

B.

Apply an import policy in New York that adds a Weight attribute to routes learned from Very Big ISP via Paris

C.

Apply an export policy in Paris by applying a MED or community attribute with a preference that very Big ISP act upon

D.

Apply an import policy hat filters longer prefixes than /24 in Brussels and zurich

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Questions 23

There is an MPLS-enabled link constantly flapping on an MPLS VPN network. Given that the network runs OSPF as the IGP protocol, which design mechanism will stabilize the network and avoid constant re-convergence?

Options:

A.

IP Event Dampening

B.

OSPF fast hellos

C.

IP SLA

D.

Partial SPF

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Questions 24

Which two are IoT sensor-specific constraints? (Choose two)

Options:

A.

Memory

B.

Processing power

C.

The amount of devices

D.

Cooling

E.

Standard transport protocols

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Questions 25

Which three network management requirements are common practices in network design? (Choose three)

Options:

A.

Collect RMON poll information for future regression analysis

B.

Ensure that all network devices have their clocks synchronized

C.

Look at average counters instead of instantaneous counters for inconsistent and bursty KPIs, such as CPU utilization and interface utilization.

D.

Collect SNMP poll information for future regression analysis

E.

Validate data plane health, application and services availability with synthetic traffic

F.

Capture both ingress and egress flow-based packets. While avoiding duplications of flows

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Questions 26

A large enterprise network has two data centers and a WLAN edge with a large hub-and spoke network. The complete network is configured as a single OSPF area, and spoke routers are connected to unreliable WAN links. Which two changes should you make to deploy LSA on the spoke routers? (Choose two)

Options:

A.

Place spoke routers in stub areas

B.

Make the hub routers ABR

C.

Make the hub routers ASBR

D.

Place spoke routers in totally stubby areas

E.

Keep the spoke routers in normal areas

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Questions 27

When designing a network .Which method can be used to control the exit point for traffic an autonomous system, at the layer 3 control plane?

Options:

A.

Prepending AS path.

B.

Tuning the multi-exit discriminator.

C.

Setting the site of Origin extended community.

D.

Tuning the metric of the under-tying IGP.

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Questions 28

You are asked to design an RSVP-TEL LSP protection solution for a large service provider network .Which traffic protection mechanism is highly scalable and ensure that multiple LPS always terminate at the same merge point?

Options:

A.

Shared explicit protection.

B.

Detour LSPs.

C.

1:N protection.

D.

1:1 protection.

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Questions 29

Which interconnectivity method offers the fastest convergence in the event of a unidirectional issue between three Layer 3 switches connected together with routed links in the same rack in a data center?

Options:

A.

Fiber Ethernet connectivity with UDLD enabled

B.

Copper Ethernet connectivity with BFD enabled

C.

Fiber Ethernet connectivity with BFD enabled

D.

Copper Ethernet connectivity with UDLD enabled

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Questions 30

Which two statements about VXLAN are true? (Choose two)

Options:

A.

VXLAN is a Cisco proprietary solution

B.

VXLAN is an encapsulation method used to create a Layer 3 overlay network

C.

VXLAN can be used to enforce Layer 2 isolation in a multitenant infrastructure

D.

VXLAN uses the Spanning Tree protocol for loop prevention

E.

VXLAN overcomes the 802.1Q virtual LAN address space limitation

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Questions 31

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 32

Refer to the exhibit.

352-011 Question 32

Which solution must be used to send traffic from the foreign wireless LAN controller to the anchor wireless LAN controller?

Options:

A.

Encapsulate packets into an EoIP tunnel and send them to the anchor controller

B.

Send packets from the foreign controller to the anchor controller via Layer 3 MPLS VPN or VRF-Lite

C.

Send packets from the foreign controller to the anchor controller via IPinIP or IPsec tunnel

D.

Send packets without encapsulation to the anchor controller over the routed network

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Questions 33

Why is a redundant PIM stub router topology a bad network design decision?

Options:

A.

Multicast convergence takes long

B.

Multicast traffic duplication will occur

C.

It interferes with IGMP snooping

D.

It interfaces with PIM snooping

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Questions 34

Which two IoT use cases require the low latency and high reliability that 5G networks provide?

Options:

A.

Smart Home

B.

Automotive

C.

Health and Wellness

D.

Smart Cities

E.

Sports and Fitness

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Questions 35

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

Options:

A.

The default queue sizes are good for any deployment

B.

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

C.

The queuing delay on every device in chain must be exactly the same

D.

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

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Questions 36

Your customer asked you to redesign there is-IS network to reduce to a minimum the number of adjacencies because the network has several routers running L1/L2 mode on the sme Ethernet segment. Which action do you recommend?

Options:

A.

Define only one router on the segment to be DIS

B.

Make the interface priority on the backup DIS lower than the primary DIS

C.

Change half the routers to L1 routers and half to L2 routers

D.

Change all routers to a single-level area

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Questions 37

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.

A feasible successor must be present

D.

The feasible Distance from a successor is lower than the local Reported Distance

E.

The feasibility condition do not need to be met

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Exam Code: 352-011
Exam Name: Cisco Certified Design Expert Practical Exam
Last Update: Mar 29, 2024
Questions: 249

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