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JN0-682 Exam Dumps - Data Center Professional (JNCIP-DC)

Question # 4

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

(Choose two.)

A.

scaling limitations

B.

spanning tree limitations

C.

port density

D.

data center location

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Question # 5

Which protocol is used between VCF member devices to create a loop-free topology?

A.

LLDP

B.

MDTP

C.

RSTP

D.

VCCP

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Question # 6

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.)

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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Question # 7

What are two streaming data formats supported for network analytics? (Choose two.)

A.

GPB

B.

XML

C.

JSON

D.

SLAX

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Question # 8

What are the two valid types of VXLAN signaling?(Choose two.)

A.

EVPN

B.

RSVP

C.

RSTP

D.

MPLS

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Question # 9

Referring to the exhibit,

what happens when you initiate ZTP on a QFX5120 switch running Junos

21.3R1.9?

A.

ZTP skips both the Junos installation and the configuration.

B.

ZTP performs the Junos installation but skips the configuration.

C.

ZTP performs both the Junos installation and the configuration.

D.

ZTP skips the Junos installation but applies the configuration.

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Question # 10

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

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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Question # 11

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?

A.

OSPF

B.

EVPN

C.

PIM

D.

BOP

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Question # 12

You want to enable an EBGP-based IP fabric to allow ECMP routes to be populated into the RIB. In this scenario, which action will accomplish this task?

A.

Enable the forwarding-options ecmp-do-local-lookup parameter.

B.

Enable the multipath multiple-as BGP parameter.

C.

Enable the routing-options multipath global parameter.

D.

Enable the chassis ecmp-alb parameter.

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Question # 13

Which statement is true about the route shown in the exhibit?

A.

The route target on this route is 1000

B.

The route is an EVPN type-1 route.

C.

The route uses a type-1 route distinguisher.

D.

The VNI for this route is 304.

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Question # 14

Referring to the exhibit, you must advertise the Io0.12 interface as a type-5 route.

Which configuration parameter would be used to accomplish this task?

A.

Configure auto-export under the routing instance.

B.

Configure a vrf-export policy to advertise the interface route under the routing instance.

C.

Configure an export policy to advertise the interface route under protocols evpn.

D.

Configure vrf-table-label under the routing instance.

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Question # 15

A VXLAN has been created between devices leaf1 and Ieaf3.

Referring to the exhibit, which statement is true?

A.

Traffic sent from host1 to host2 will be dropped on Ieaf3.

B.

Traffic sent from host1 to host2 will be tagged with VLAN ID 100 when exiting Ieaf3.

C.

Traffic sent from host1 to host2 will be tagged with VLAN ID 200 when exiting Ieaf3.

D.

Traffic sent from host1 to host2 will be dropped on leaf1.

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Question # 16

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

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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Question # 17

Referring to the exhibit,

you have a data center in which only the spine devices are using EVPN and VXLAN. The leaf nodes are multihomed in active-active mode to the spine nodes through ESI LAG interfaces. In this design, a link failure on the interface connecting the spine nodes would also cause all traffic from the spine to the leaf nodes to drop.

In this scenario, which command configured on which nodes would solve this problem?

A.

the disable protocols evpn no-core-isolation command on the spine nodes

B.

the set protocols evpn no-core-isolation command on the spine nodes

C.

the disable protocols evpn no-core-isolation command on the leaf nodes

D.

the set protocols evpn no-core-isolation command on the leaf nodes

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Question # 18

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?

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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Question # 19

What is an advantage that EVPN has over VPLS when used for DCI?

A.

mass MAC withdrawal

B.

transparent BPDU transport

C.

active/standby multihoming

D.

reverse path forwarding

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Question # 20

The configuration shown in the exhibit is intended to set up assisted replication but will not

commit. Which action will create a valid configuration in this situation?

A.

Change the 10.0 address to 192.168.100.1 primary.

B.

Change the replicator inet address to 192.168.100.101.

C.

Delete replicator inet 192.168.100.1.

D.

Change the replicator inet address to 192.168.100. 51.

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Question # 21

You have deployed a multitenant EVPN-VXLAN fabric. You must have the routes in the BLUE VRF show up in the RED VRF.In this scenario, how would you achieve this goal?

A.

Configure a VRF export policy on the BLUE VRF that matches the RED VRF route target.

B.

Configure the RED route target in the BLUE VRF.

C.

Configure the BLUE route target in the RED VRF.

D.

Configure a VRF import policy on the RED VRF that matches the BLUE VRF route target.

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Question # 22

What is the endpoint of a VXLAN tunnel?

A.

DLCI

B.

VTEP

C.

LSR

D.

VCF

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Question # 23

A VTEP requires which two interfaces? (Choose two.)

A.

a logical interface for a Layer 3 network

B.

a physical interface for a Layer 3 network

C.

a logical interface for a Layer 2 network

D.

a physical interface for a Layer 2 network

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Question # 24

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.)

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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Question # 25

Which three statements are correct about multitenancy in a Junos EVPN environment? (Choose three.)

A.

MAC-VRF instances allow for overlapping routes and VLANs.

B.

MAC-VRF instances allow for varying EVPN services on the same device.

C.

VRF instances allow for overlapping subnets.

D.

Virtual switch instances allow for varying EVPN services on the same device.

E.

Virtual switch instances allow for overlapping VLANs.

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Question # 26

You are asked to design a deployment plan for a large number of QFX Series switches using

ZTP. The ZTP deployment plan must ensure all switches are configured with their designated configuration file.

Which DHCP option and subscription combination would be used to accomplish this task?

A.

DHCP option 43 a suboption of 00.

B.

DHCP option 66 a suboption of 01.

C.

DHCP option 66 a suboption of 00.

D.

DHCP option 43 a suboption of 01.

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Question # 27

You want to monitor the value of a MIB object or variable against configured thresholds and generate a corresponding event when the value of a variable crosses a threshold.

In this scenario, which feature should you use to accomplish this task?

A.

generate-event

B.

Event Script

C.

RMON

D.

Event Policy

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Question # 28

Your colleague has begun working on the base configuration for an active-active multihomed

EVPN connection shown in the exhibit.

Which two actions will ensure a successful implementation? (Choose two.)

A.

Change the ESI mode on PE2 to all-active

B.

Change the ESI mode on PE1 to signal-active

C.

Change the ESI value on the PE1 device to 00.22.44.88.00.22.44.66.88

D.

Change the ESI value on the PE2 device to 00.00.00.00.00.00.00.00.00.00

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Question # 29

You have a data center design with multiple tenants using routing instances.

In this scenario, what are two ways to provide inter-tenant communications? (Choose two.)

A.

Use EVPN type-7/8 routes.

B.

Use RIB groups.

C.

Use filter-based forwarding.

D.

Use EVPN type-6 routes.

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Question # 30

You are building an IP fabric underlay for your data center. You are asked to ensure that the two spine devices are in the same AS (65000) while the six leaf devices are in a different AS (65512). In this scenario, which two statements are correct by default? (Choose two.)

A.

All BGP routes advertised by a leaf device will be accepted on the spine devices.

B.

A leaf device will accept all BGP routes received from the spine that were originated from another leaf device.

C.

All BGP routes advertised by a leaf device will be rejected on the spine devices.

D.

A leaf device will reject all BGP routes received from the spine that were originated from another leaf device.

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Question # 31

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.)

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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Question # 32

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

MC-LAG link is not functioning properly.

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

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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Question # 33

You administer an EVPN-VXLAN fabric. You notice that there is no VXLAN traffic forwarding through the network.

Referring to the exhibit, which modification will solve the problem?

A.

set firewall family inet filter allow-BGP term 1 from protocol udp set firewall family inet filter allow- BGP term 1 from destination-port 4789

B.

set interfaces et-0/0/49 unit 0 family vxlan

C.

set interfaces et-0/0/49 unit 0 family vpls

D.

set firewall family inet filter allow-BGP term 1 from protocol tcp set firewall family inet filter allow- BGP term 1 from destination-port 4789

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Question # 34

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

how would you accommodate this increased?

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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Question # 35

You are creating a new EVPN and are asked to selectively accept certain MAC advertisement routers from your EVPN peers using VXLAN Encapsulation.

Which statements is correct in this scenario?

A.

You can use VRF policies and route distinguisher values to filter out unwanted routes.

B.

You can use VBRF import policies and community values to filter out unwanted routes.

C.

You can use MAC filtering to filter out unwanted routes.

D.

You can use firewall filters to filters out unwanted routes

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Question # 36

When considering VRF routing-instances for network segmentation, which two statements are

true? (Choose two.)

A.

A logical interface can participate in multiple VRFs.

B.

Multiple VRFs on a single device consolidate routing information to a single table.

C.

VRFs have independent routing tables.

D.

VRFs support overlapping subnets.

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Question # 37

You are asked to deploy an Ethernet bridging design in a data center with the following criteria:

-routing must occur on the leaf devices.

-VTEPs must terminate on the leaf devices.

-facilitate inter-VLAN communication.

-lower latency with East-West traffic.

Which architecture should you use in this scenario?

A.

collapsed spine architecture

B.

edge-routed bridging architecture

C.

bridge overlay architecture

D.

centrally-routed bridging architecture

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Question # 38

An EVPN-signaled VXLAN overlay has been deployed in the network shown in the exhibit. Host1

is a bare metal server, and is dual-homed to the network. The IP addresses 10.1.1.1/24 and 10.1.1.2/24 are assigned to the same physical NIC, and no virtualization is configured on the server.

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

A.

The MAC address associated with 10.1.1.1/24 and 10.1.1.2/24 will be same when advertised to leaf3.

B.

Traffic from IP address 10.1.1.1/24 must traverse the VXLAN network to reach IP address 10.1.1.2/24

C.

The connection host1 to devices leaf1 and leaf2 must be configuration a LAG.

D.

The ESI assigned to the host1 link must be the as the ESI assigned to the leaf2 host1 link.

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Question # 39

You are designing a network for a small data center. In this scenario, which underlay protocol

allows for the simplest implementation?

A.

EBGP

B.

OSPF

C.

IGGP

D.

MPLS

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Question # 40

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

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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Question # 41

Which two statements about the seamless EVPN-VXLAN stitching data center interconnect architecture are correct? (Choose two.)

A.

VXLAN stitching is supported in 3-stage and 5-stage fabrics.

B.

VXLAN stitching is ideal for medium and large data center designs.

C.

For Layer 2 stretched between data centers, a full mesh of VXLAN tunnels between leaf switches is required.

D.

IPIM is required in the underlay.

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Question # 42

Exhibit.

You choose the EBGP fabric design as shown in the exhibit. In addition to a load-balancing policy, you want to ensure that the 10.1/16 prefix is sent to the leaf nodes.

Which two commands on the spine will accomplish this task? (Choose two.)

A.

loops 2

B.

as-override

C.

add-path send

D.

advertise-peer-as

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Question # 43

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

A.

route target

B.

remote VTEP

C.

Ethernet segment

D.

route distinguisher

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Question # 44

Referring to the exhibit, each node in the IP fabric is peering to its directly attached neighbor

using EBGP. Each node is peering using physical interface IP addresses. Leaf 2 and Leaf 3 are advertising the 10.1.1/24 network into EBGP. Spine 2 must be configured so that it can load- share traffic destined to the 10 1.1/24 network over both next-hop A and next-hop B.

Which two actions must be performed to accomplish this task? (Choose two.)

A.

Use multipath multipath-As

B.

Use multihop

C.

Use advertise inactive

D.

Use a load-balancing policy applied to the forward table

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Question # 45

Which protocol replicates forwarding information between MC-LAG peers?

A.

VCCP

B.

ICCP

C.

VRRP

D.

LLDP

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Question # 46

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

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

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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