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JN0-682 Data Center Professional (JNCIP-DC) Questions and Answers

Questions 4

Site 1 contains 20+ VMs. The link between Site 1 and Leaf1 goes down.Referring to the exhibit, which statement is correct?

JN0-682 Question 4

Options:

A.

Type-1 routes for each VM will expire one at a time.

B.

Type-1 routes for all VMs in the site will expire all at once.

C.

Type-1 routes for all VMs in the site will be withdrawn all at once.

D.

Type-1 routes for each VM will be withdrawn one at a time.

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Questions 5

You have configured a new MC-LAG connection to a host. After committing the configuration, the

MC-LAG link is not functioning properly.

JN0-682 Question 5

Referring to the exhibit, how would you solve this problem?

Options:

A.

Configure a system-id on qfx1 that is different from the system-id on qfx2

B.

Change the mc-ae is on qfx1 to 1

C.

Configure status-control on qfx2 to active

D.

Change the chassis on qfx1 to 1

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Questions 6

You are troubleshooting an L3VPN that is part of an EVPN/MPLS DCI. You notice that the EVPN overlay BGP session toward 10.29.50.4 is unable to establish.

JN0-682 Question 6

Why is the BGP session failing to establish?

Options:

A.

The route-distinguisher value on the local PE is incorrect

B.

There is no route for 192.168.5.5 an VPN net 0.

C.

There is no route for 192.168.5.5. in inet 3.

D.

The vrf-tableç’´abel value is not configured in the remote PE.

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Questions 7

The MC-LAG group shown in the exhibit is providing high availability services for the directly connected servers. The backup liveness detection is applied to the ICL-PL link, however, when oneof the members rebooted, there was traffic loss for a few seconds.

JN0-682 Question 7

In this scenario, where should you apply the backup liveness detection?

Options:

A.

On the management interfaces

B.

On the ae2 interface

C.

On the ae1 interface

D.

On the ae0 interface

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Questions 8

Which event triggers the generation of a EVPN type-4 route?

Options:

A.

When unknown unicast traffic is received on an interface.

B.

When known unicast traffic is received on an interface.

C.

When a new VNI is configured.

D.

When a new ESI is configured.

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Questions 9

Referring to the exhibit, DC1 and DC2 have a DCI across a service provider WAN connection. Host1 in DC1 must have Layer 2 connectivity to host2 in DC2. A VXLAN tunnel must be created between VTEP1 and VTEP2.

JN0-682 Question 9

In this scenario, which statement is true?

Options:

A.

A route to the loopback address on VTEP must be present on VTEP1.

B.

VTEP and VTEP2 must peer using IBGP.

C.

VXLAN Layer 3 gateway must be provisioned at the Super Spine layer.

D.

The service provider WAN connection be an MPL5-based WAN connection.

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Questions 10

Which two statements are correct about VXLANs? (Choose two.)

Options:

A.

VXLANs have smaller broadcast domains than VLANs.

B.

VXLANs have a smaller logical network identifier than VLANs.

C.

VXLANs can have a theoretical maximum of 16 million unique networks.

D.

VXLANs are an overlay technology.

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Questions 11

What is the purpose of the command shown in the exhibit?

JN0-682 Question 11

Options:

A.

To stop the reception of transit multicast traffic when there are no interested receivesattached to the local VTEP

B.

To disable the group2390.0.1 across the entire VXLAN.

C.

To stop the transmission of transit multicast traffic when there are no interested receives attached to a remote VTEP

D.

To disallow IGMP request for the group 239.0.01 from host attached to the local VTEP

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Questions 12

You are asked to enable plug-and-play line card switches in an active VCF without making any future Junos configuration charges. You are also required to ensure that all new line card are automatically upgrade to the correct Junos version without any manual intervention. In this scenario, which two actions will accomplish this task? (Choose two.)

Options:

A.

Set the virtual Chassis as auto-provisioned before the line cars are inserted.

B.

Ensure that the newly instead card's MAC addresses are present in the DHCP configuration for ZTP.

C.

Set the Virtual Chassis as per-provision before the line are inserted.

D.

Configure the auto-sw-update parameter on the VCF before inserting new line cards.

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Questions 13

You are considering deploying a MAC-VRF type routing instance with a VLAN-bundle service

type. In this scenario, which two statements are correct? (Choose two.)

Options:

A.

It can be implemented in a bridge overlay architecture.

B.

VLAN normalization is supported.

C.

Multiple VLAN IDs per EVI are supported.

D.

It can be implemented in an ERB architecture.

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Questions 14

A VXLAN adds 50 to 54 bytes of extra header information to an Ethernet frame. In this scenario,

how would you accommodate this increased?

Options:

A.

Increase the MTU on the Physical interface connected to the VXLAN network.

B.

Increase the MTU on the VTEP interface connected to the VXLAN network

C.

Only use switches as VTEPs.

D.

Decrease the number VXLANs used

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Questions 15

Referring to the exhibit, you have a data center with two PODs. Seamless EVPN-VXLAN stitching is used to facilitate communication between the PODs.

JN0-682 Question 15

Which three statements are true in this scenario? (Choose three.)

Options:

A.

AVXLAN tunnel can form between L2 and S1.

B.

A VXLAN tunnel can form between S1 and S2.

C.

AVXLAN tunnel can form between L1 and L2.

D.

AVXLAN tunnel can form between L2 and S3.

E.

AVXLAN tunnel can form between L1 and L4.

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Questions 16

Which two statements about ZTP are true? (Choose two.)

Options:

A.

The image storage service and the DHCP server can be running on different server hosts.

B.

When a switch is booted. DHCP requests are sent only through the management Ethernet interface.

C.

The image storage service must be running on the same server host where the DHCP service is running.

D.

When a switch is booted, DHCP requests are sent through the management interface as well as attached revenue ports.

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Questions 17

Which feature permits granular control of per-VNI type-2 and EVPN type-3 routes across an entire overlay network?

Options:

A.

route target

B.

remote VTEP

C.

Ethernet segment

D.

route distinguisher

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Questions 18

You are building an IP fabric underlay network for your new data center. You must ensure that you have predictable load-balancing behavior throughout your network. According to Juniper Networks, what are two best practices that should be followed in this scenario? (Choose two.)

Options:

A.

All leaf devices must be identical to the spine device models including the same installed line cards.

B.

All spine devices should be identical models including the same installed line cards.

C.

Every leaf device should have an identical uplink to every other leaf device.

D.

Every leaf device should have an identical uplink to every spine device.

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Questions 19

You have deployed two data centers that require a Layer 2 stretch between host1 and host2.

JN0-682 Question 19

Referring to the exhibit, what does a Layer 2 stretch require?

Options:

A.

A VPLS WAN connection data centers

B.

A VXLAN tunnel originating on VTEP1 to VTEP2

C.

A VXLAN tunnel originating on the super Spine Layer in DC1 to the Super Spine Layer in DC2

D.

A VXLAN tunnel originating on the Spine Layer in DC1 to the Spine Layer in DC2.

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Questions 20

You are troubleshooting a traditional Clos Layer 3 IP fabric in your data center. You are reviewing

the BGP configuration for one of your spine devices.

JN0-682 Question 20

Referring to the exhibit, which statement is correct?

Options:

A.

This spine device will not install multiple next hops for remote destinations in its routing table.

B.

This spine device will not install any routes for remote destinations in its routing table.

C.

This spine device has three neighboring leaf devices.

D.

This spine device has three neighboring spine devices.

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Questions 21

You manage a data center with a 5-stage EVPN-VXLAN IP fabric. You notice that there are

suboptimal paths used between the leaf and spine as well as the spine and super spine. What is one way to solve this issue?

Options:

A.

Configure the super spine and spine layers to all use the same ASN.

B.

Configure the spine layer for EBGP and the leaf layer for IBGP

C.

Configure the spine layer so that all spines in a POD share the same ASN.

D.

Configure the leaf layer so that all leaf devices share the same ASN.

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Questions 22

You are an architect for an enterprise organization that currently operates three data centers with plans to expand to five data centers in the next year. You already notice large amounts of BUM flooding and must control this issue before implementing the next two data centers.

Which feature would address this issue?

Options:

A.

type-5 routes

B.

type-6 routes

C.

mesh groups

D.

VXLAN BUM traffic filter

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Questions 23

You choose the EBGP design shown in the exhibit as your IP fabric design. You must ensure that both routes received by the spine nodes will be used for ECMP forwarding.

JN0-682 Question 23

Which BGP parameter would need to be added to the EBGP configuration of the spine nodes to achieve this goal?

Options:

A.

multipath

B.

multihop

C.

add-path

D.

multipath multiple-as

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Questions 24

In an EVPN multicast environment, which two route types facilitate IGMP join and IGMP leave behavior for multihomed sites? (Choose two.)

Options:

A.

type-7

B.

type-4

C.

type-8

D.

type-3

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Questions 25

In the exhibit, VM1 is part of the same VXLAN segment as VM3.

JN0-682 Question 25

Which type of message will VTEP B initially send to the RP so that VM3 can communicate with VM1?

Options:

A.

PIM join

B.

IGMP Join (*, G)

C.

IGMP Join (S,G)

D.

PIM register message

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Questions 26

Which IP fabric underlay protocol provides the highest degree of scalability?

Options:

A.

IS-IS

B.

RIP

C.

EBGP

D.

OSPF

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Questions 27

Which two statements describe EVPN based VXLAN implementations? (Choose two.)

Options:

A.

MAC addresses ate propagated using BGP updates

B.

MAC addresses are learned using multicast flooding

C.

The movement of a virtual host results in the dynamic remapping of the VTEP

D.

The movement of a virtual host requires a manual reconfiguration of the VTEP

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Questions 28

You need to add perimeter security to the network shown in the exhibit. All traffic must be inspected for attacks. The edge routers are using all available ports.Your solution must maintain both port and device resiliency.

JN0-682 Question 28

In this scenario, which design would satisfy these requirements?

Options:

A.

one-arm SRX Series chassis cluster

B.

one-arm SRX Series device using LAG

C.

inline SRX Series chassis cluster

D.

inline SRX Series device using LAG

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Questions 29

You have successfully deployed an IP fabric in your data center. However, your server team complains that they are not seeing an increase in performance as expected. After examining the routing and forwarding tables, you notice that only a single route is listed to each destination in the forwarding table, even though there are multiple routes shown in the routing table.

In this scenario, what should you do to solve the problem?

Options:

A.

Write a load balancing policy and apply it to the routing table.

B.

Modify the hash algorithm so that only source and destination addresses are used.

C.

Write a load balancing policy and apply it to the forwarding table.

D.

Disable the Spanning Tree Protocol that is blocking the redundant paths.

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Questions 30

Referring to the exhibit, not all routes are being exchanged by EBGP peers.

JN0-682 Question 30

In this scenario, which BGP parameter would solve this problem?

Options:

A.

mulcihop

B.

mulcipach

C.

mulcipach mulciple-as

D.

as-override

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Questions 31

Which two characteristics would you consider when selecting spine devices in an IP fabric?

(Choose two.)

Options:

A.

scaling limitations

B.

spanning tree limitations

C.

port density

D.

data center location

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Questions 32

You are an engineer for a hosting company. You have a new customer that wants the ability to

connect any VLAN on any port. They want to have all VLANs map to a single bridge domain and EVPN instance (EVI). They control all their own routing and just need the connectivity.

Which two parameters should you configure to achieve these goals? (Choose two.)

Options:

A.

instance-type mac-vrf

B.

service-type vlan-aware

C.

service-type vlan-bundle

D.

instance-type virtual-switch

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Questions 33

You are configuring an EVPN overlay network. You want to ensure that leaf devices can respond

to ARP requests from locally connected hosts, when the leaf device knows the MAC of the intended destination.

In this scenario, what should you configure on the leaf devices to accomplish this task?

Options:

A.

Proxy ARP

B.

Static ARP entries

C.

Persistent MAC learning

D.

IGMP snooping

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Questions 34

A customer wants to connect two data centers on different subnets using EVPN. What are two implications of using different IP subnets at each site? (Choose two.)

Options:

A.

Using different IP subnets at each site allows Layer 3 gateways to exchange only type-3 routes.

B.

MAC addresses will need to be advertised between the data centers.

C.

MAC addresses will not need to be advertised between the data centers.

D.

Using different IP subnets at each site allows Layer 3 gateways to exchange only type-5 routes.

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Questions 35

After configuring an IP fabric using EBGP as you protocol, you notice that not all of the routers are showing up in the routing tables. You have verified that all adjacencies have formed, and place and configured properly.

In this scenario, which statement is true?

Options:

A.

The routers have not been configured with the multipath multiple-as parameter.

B.

The routers have not been configured using the bfd-1 Liveness-detection parameter.

C.

The routers have not been configured using the multihop parameter.

D.

The routers have not been configured using the add-path parameter

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Questions 36

You are configuring VXLAN. and you must ensure that all switches for the multicast groups

advertise their existence and learn about other VTEPs In this scenario. which protocol will accomplish this task?

Options:

A.

OSPF

B.

EVPN

C.

PIM

D.

BOP

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Questions 37

Exhibit.

JN0-682 Question 37

Referring to the exhibit, you want to advertise the IRB routes between both routing instances.

Which two statements are correct in this scenario? (Choose two.)

Options:

A.

Configure a rib-group policy to advertise interface routes under both routing instances.

B.

Configure vrf-table-label under both routing instances.

C.

Configure auto-export and an vrf-import policy under both routing instances.

D.

Configure a vrf-export policy to advertise interface routes under both routing instances.

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Questions 38

Which protocol replicates forwarding information between MC-LAG peers?

Options:

A.

VCCP

B.

ICCP

C.

VRRP

D.

LLDP

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Questions 39

You want to ensure high availability of the Junos devices in your data center. In this scenario, which three features would accomplish this task? (Choose three.)

Options:

A.

Multiple Spanning Tree Protocol

B.

Virtual Router Redundancy protocol

C.

graceful Routing Engine switchover

D.

Dual Routing Engineers

E.

Virtual private LAN service

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Questions 40

Which two statements about a DHCP relay in an EVPN-VXLAN fabric are correct? (Choose two.)

Options:

A.

The DHCP client and the DHCP server can reside in different routing instances.

B.

The DHCP client and the DHCP server must reside in the same routing instance.

C.

Anycast gateway addressing is not supported.

D.

Virtual gateway and anycast gateway addressing are both supported.

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Questions 41

JN0-682 Question 41

Referring to the exhibit, which two statements are correct in a seamless EVPN-VXLAN stitching DCI design? (Choose two.)

Options:

A.

The 00:21:22:23:24:25:26:27:28:22 value represents the interconnect ESI.

B.

The 10.1.1.2 host is reachable in a remote data center POD.

C.

The 10.1.1.1 host is reachable in a remote data center POD.

D.

The 00:21:22:23:24:25:26:27:28:22 value represents the local ESI.

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Questions 42

What are three functions supported by the Contrail Command user interface?

Options:

A.

Integrated syslog collector

B.

Enabling VM-to-BMS bridging

C.

Configuring management domains

D.

Onboarding of an IP fabric

E.

Creating virtual network

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Questions 43

Which two statements are correct about VXLAN domains? (Choose two.)

Options:

A.

With Layer 2 traffic, the VLAN ID is discarded before the packet is sent.

B.

With Layer 3 traffic, the VLAN ID is discarded before the packet is sent.

C.

With Layer 2 traffic, the VLAN ID is transmitted within the packet.

D.

With Layer 3 traffic, the VLAN ID is transmitted within the packet.

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Questions 44

You are asked to configure your IP fabric with OSPF as the underlay routing protocol.

Which two statements are correct about this implementation? (Choose two.)

Options:

A.

Each host-connected interface of the leaf node is included as passive in the OSPF configuration.

B.

Each host-connected interface of the leaf node is included in the OSPF configuration.

C.

Each spine-connected interface of the leaf node is included as passive in the OSPF configuration.

D.

Each spine-connected interface of the leaf node is included in the OSPF configuration.

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Questions 45

Which statement is true about a Data center interconnect over an IP network?

Options:

A.

Layer 2 data must traverse a point-to-point

B.

Layer 2 data must traverse an MPLS LSP.

C.

Layer 2 data must be encapsulated.

D.

Layer 3 data must be encapsulated

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Questions 46

Which EVPN router type prevents BUM traffic from looping back to a multihued host?

Options:

A.

Ethernet segment router

B.

IP prefix route

C.

Ether auto discovery route

D.

Inclusive multicast-Ethernet tag route

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Exam Code: JN0-682
Exam Name: Data Center Professional (JNCIP-DC)
Last Update: Mar 25, 2024
Questions: 154

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