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JN0-682 Practice Exam Questions and Answers

Data Center Professional (JNCIP-DC)

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Total Questions : 154

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Question # 1

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

MC-LAG link is not functioning properly.

Question # 1

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

Discussion 0
Question # 2

When using EBGP as the underlay protocol for your IP fabric architecture, which two statements

are true? (Choose two.)

Options:

A.  

Spine nodes peer to both leaf and spine nodes

B.  

Leaf nodes only peer to spine nodes

C.  

Leaf nodes peer to both spine and leaf nodes

D.  

Spine nodes only peer to leaf nodes

Discussion 0
Question # 3

You are logged in to Leaf 1. When examining the routing table, you notice that you have no

routes from Leaf 2.

Question # 3

Referring to the exhibit, which two commands would you use to troubleshoot the problem? (Choose two.)

Options:

A.  

From Leaf 2, issue the show route advertising-protocol bgp 172.16.1.2 command.

B.  

From Spine 1, issue the show route advertising-protocol bgp 172.16.1.1 command.

C.  

From Spine 1, issue the show route advertising-protocol bgp 172.16.1.2 command.

D.  

From Leaf 1, issue the show route receive-protocol bgp 172.16.1.1 command.

Discussion 0
Question # 4

Which device provides microsegmentation in a data center network?

Options:

A.  

vSRX

B.  

EX4300

C.  

vMX

D.  

QFX5100

Discussion 0
Question # 5

A company wants to expect their hosting business and is seeking solutions to supported multiple tenants. Each tenant should be able to configure their own logical interfaces. Also, based on customer needs, all routing features must be supported.

What will satisfy the customer's requirements?

Options:

A.  

Bridge domains

B.  

Tenant systems

C.  

Logical systems

D.  

Routing instances

Discussion 0
Question # 6

Which two statements are true about VRF routing instances? (Choose two.)

Options:

A.  

VRF can be used in conjunction with Layer 3 logical interfaces.

B.  

Each logical Layer 3 interface can belong to only one routing instance.

C.  

Each logical Layer 3 interface can belong to multiple routing instances.

D.  

VRF does not enable multitenancy.

Discussion 0
Question # 7

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.)

Options:

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.

Discussion 0
Question # 8

You are asked to implement VXLAN in your data center network. You must choose between

implementing EVPN signaling and multicast signaling. Which two statements are correct in this scenario? (Choose two.)

Options:

A.  

EVPN signaling reduces ARP flooding and multicast signaling does not.

B.  

EVPN signaling propagates MAC addresses across the network and multicast signaling does not.

C.  

EVPN signaling uses a standards-based protocol and multicast signaling does not.

D.  

EVPN signaling enables distributed Layer 3 gateways and multicast signaling does not.

Discussion 0
Question # 9

The two data centers shown in the exhibit need to be connected using EVPN. Which two statements are correct in this situation? (Choose two.)

Question # 9

Options:

A.  

Hosts in VLAN 10 can communicate with hosts in Data Center 2 using Layer 3.

B.  

Hosts in VLAN 10 can communicate with hosts in Data Center 2 using Layer 2.

C.  

Hosts in VLAN 202 can communicate using Layer 3 between data centers.

D.  

Hosts in VLAN 202 can communicate using Layer 2 between data centers.

Discussion 0
Question # 10

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

allows for the simplest implementation?

Options:

A.  

EBGP

B.  

OSPF

C.  

IGGP

D.  

MPLS

Discussion 0
Question # 11

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.

Discussion 0
Question # 12

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?

Options:

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.

Discussion 0
Question # 13

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

Discussion 0
Question # 14

Which two statements describe MAC address learning for VPLS and EVPN? (Choose two.)

Options:

A.  

VPLS learns MAC addresses in the data plane

B.  

EVPN learns MAC addresses in the data plane

C.  

EPLS learns MAC addresses in the control plane

D.  

EVPN learns MAC addresses in the control plane

Discussion 0
Question # 15

Referring to the exhibit, which statement is correct?

Question # 15

Options:

A.  

The exhibit shows a 5-stage IP fabric architecture.

B.  

The exhibit shows a collapsed fabric architecture.

C.  

The exhibit does not represent a valid fabric architecture.

D.  

The exhibit shows a 3-stage IP fabric architecture.

Discussion 0
Question # 16

You work in a data center where VMs and hosts are frequently moved. Your design needs to eliminate inefficient traffic flows.

In this scenario, which two solutions will satisfy this requirement? (Choose two.)

Options:

A.  

VXLAN

B.  

EVPN

C.  

VMTO

D.  

VPLS

Discussion 0
Question # 17

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.

Question # 17

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

Options:

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 LA

G.  

D.  

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

Discussion 0
Question # 18

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

Question # 18

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

Discussion 0
Question # 19

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

Question # 19

Question # 19

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

Options:

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

Discussion 0
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