JN0-682 Real Exam Questions and Verified Answers

Question 1 Single choice

You are configuring an MX Series router to act as a Layer 3 gateway to route traffic between VXLANs in different data centers across a WAN connection.
In this scenario, what must you do to enable this communication?

A
Configure route reflectors.
B
Change the UDP port used by the VXLANs.
C
Configure the IRB interfaces to connect the VXLANs.
D
Enable PIM on all interfaces.

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Correct answer: C

Question 2 Single choice

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

A
Ethernet segment router
B
IP prefix route
C
Ether auto discovery route
D
Inclusive multicast-Ethernet tag route

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Correct answer: C

Question 3 Multiple choice

You are deploying a switch using ZTP.

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

A
If the switch is already running the referenced image, no action is performed and the switch moves to the next ZTP step in the ZTP process.
B
Using DHCP Option 150. the DHCP server informs the switch of a software image name.
C
Using DHCP Option 43 sub option 01, the DHCP server informs the switch of the configuration file name.
D
If no configuration file is referenced in DHCP Options, the switch downloads a default configuration file from the storage server.

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Correct answers: A, D

Question 4 Single choice

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?

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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Correct answer: B

Question 5 Single choice

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

A
IS-IS
B
RIP
C
EBGP
D
OSPF

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Correct answer: C

Question 6 Multiple choice

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

A
EVPN
B
RSVP
C
RSTP
D
MPLS

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Correct answers: A, B

Question 7 Multiple choice

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

A
IBGP is recommended for VXLAN stitching overlays.
B
Interconnect gateways will rewrite the route target, route distinguisher. and ESI values for each stretched virtual network.
C
All EVPN routes types are forwarded among interconnect gateways in a full-mesh manner.
D
The interconnect gateway can reside on the super spine layer of a multi-POD data center.

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Correct answers: C, D

Question 8 Multiple choice

Referring to the exhibit, which two statements are correct? (Choose two.)

A
Seamless EVPN VXLAN stitching is in use.
B
Switch01 is a spine device.
C
An OTT data center interconnect is in use.
D
Switch01 is a leaf device.

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Correct answers: A, D

Question 9 Single choice

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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Correct answer: A

Question 10 Single choice

Referring to the exhibit,

what effect does EVPN core isolation have?

A
Leaf 1 will send a pause frame to each connected host.
B
Leaf 1 will place the interfaces to connected hosts into LACP passive mode.
C
Leaf 1 will take down all revenue interfaces.
D
Spine 1 will block all traffic.

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Correct answer: C