JN0-682 by Juniper Valid Free Exam Practice Test

Question 1

Which two statements are correct about a spine and leaf-based IP fabric? (Choose two.)

A. Traffic is diverted within the fabric when a device or link fails. B. Leaf switches broadcast frames to all other leaf devices. C. There is no need for redundancy at the server level. D. Clos networks demonstrate good scaling features.

Correct Answer: A,D

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Question 2

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. Event Policy B. RMON C. Event Script D. generate-event

Correct Answer: B

Question 3

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

A. With Layer 3 traffic, the VLAN ID is transmitted within the packet. B. With Layer 2 traffic, the VLAN ID is discarded before the packet is sent. C. With Layer 3 traffic, the VLAN ID is discarded before the packet is sent. D. With Layer 2 traffic, the VLAN ID is transmitted within the packet.

Correct Answer: B,D

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Question 4

Referring to the exhibit, Host 1 and Host 3 have exchanged traffic.

In this scenario, which statement is true?

A. Leaf 2 learn Host 1's MAC address through periodic updates from Spine 2 B. Leaf 2 learn Host 1's MAC address when Host 3 learns Host 1's MAC address. C. Leaf 2 does not learn Host 1's MAC address until Host1 and Host2 send traffic to each other D. Leaf 2 learn Host 1's MAC address when Leaf 1 queries Host 1.

Correct Answer: B

Question 5

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

A. Each logical Layer 3 interface can belong to multiple routing instances. B. VRF can be used in conjunction with Layer 3 logical interfaces. C. Each logical Layer 3 interface can belong to only one routing instance. D. VRF does not enable multitenancy.

Correct Answer: B,C

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Question 6

Refer to the exhibit.

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

A. The host with the 00:0c:29:e8:b7:39 MAC address is not reachable through a VTEP tunnel. B. The host with the 00:0c:29:08:04:a0 MAC address is not reachable through a VTEP tunnel. C. The host with the 00:0c:29:08:04:a0 MAC address is reachable through a VTEP tunnel. D. The host with the 00:0c:29:e8:b7:39 MAC address is reachable through a VTEP tunnel.

Correct Answer: B,D

Question 7

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

A. type-3 B. type-8 C. type-7 D. type-4

Correct Answer: B,C

Question 8

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

Correct Answer: A,C,E

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Question 9

You must advertise reachability between two firewalls with unique IP subnets that terminate security services through your EVPN-VXLAN environment.
In this scenario, which EVPN route type should you enable to accomplish this task?

A. type-3 B. type-2 C. type-4 D. type-5

Correct Answer: B

Question 10

Which two statements define the use of route targets and route distinguishers in an EVPN? (Choose two.)

A. Route distinguishers identify the VRF into which the route should be placed B. Route targets ensure that routes from different clients remain unique within the data center domain C. Route distinguishers ensure that routes from different client remain unique within the data center domain D. Route targets identify the VRF into which the route should be placed

Correct Answer: A,C

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Question 11

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. MAC addresses will need to be advertised between the data centers. B. MAC addresses will not need to be advertised between the data centers. C. Using different IP subnets at each site allows Layer 3 gateways to exchange only type-3 routes. D. Using different IP subnets at each site allows Layer 3 gateways to exchange only type-5 routes.

Correct Answer: A,D

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Question 12

You are asked to manage the oversubscription ratio of your spine and leaf IP fabric. You determine that you are at a 3:1 ratio of downstream to upstream traffic and must achieve a 1.1ratio. In this scenario, which two actions would you take to achieve this goal? (Choose two.)

A. Increase the number of server facing ports that each leaf node uses to carry traffic. B. Reduce the number of server facing that each leaf node uses to carry traffic. C. Reduce the number of leaf nodes on your design. D. Increase the number of spine nodes in your design.

Correct Answer: A,D

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Question 13

You want to configure redundant Layer 3 gateways
In this scenario, which two juniper best practices would accomplish this task? (Choose two.)

A. Configuring both IRB interfaces manually with the same IP address B. Configuring both IRB interfaces manually with the same address C. Allowing Junos to dynamically create the virtual MAC address of the IRB interface D. Allowing Junos to dynamically create the virtual IP address of the IRB interface

Correct Answer: B,C

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Question 14

You are asked to configure VXLAN for you c data center using multicast to exchange VTEP information?
In this scenario, which two configuration parameters must match on the VTEPs in the same VXLAN segment? (Choose two.)

A. Routing instance name B. VNI C. Multicast group D. VLAN ID

Correct Answer: B,C

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Juniper Data Center, Professional (JNCIP-DC) - JN0-682 Exam Practice Test