JN0-348 Exam Training Practice Tests (Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT))]

Question 1

You need to a new ESXi host connected to port ge-0/0/1. One of the VMs configured with VLAN 10 is not reachable from any other device on the switch. To troubleshoot, you decide to verify of the VMs MAC address is learned properly under VLAN 10.
Which command would you use in this scenario?

A. Show Ethernet-switching table vlan-id 10 B. Monitor interface ge-0/01 C. Show vlans 10 D. Show interfaces ge-0/01 detail

Correct Answer: A

Question 2

Which two OSPF header fields must match to form an adjacency over a broadcast connection? (Choose two.)

A. Hello interval B. Options C. neighbor D. Router priority

Correct Answer: A,B

Question 3

Which statement about configuring persistent MAC learning is correct?

A. Persistent MAC learning requires 802.1 X authentication. B. Persistent MAC learning cannot be configured on redundant trunk groups. C. Persistent MAC learning flushes dynamically learned MAC addresses on reboots. D. Persistent MAC learning can be configured on access mode interfaces.

Correct Answer: D

Question 4

You configured a GRE that traverses a path using default MTU settings. You want to ensure that packets are not dropped or fragmented.
In this scenario. What is the maximum packet size that would traverse the GRE tunnel?

A. 1500 B. 1476 C. 1524 D. 1400

Correct Answer: B

Question 5

You are adding a new EX4300 member switch to your existing EX4300 Virtual Chassis. However, the new member is not running the same Junos version as the other members.
By default, what is the expected behavior in this scenario?

A. The virtual Chassis will transition into a brain situation between the existing master Routing Engine and the switch running the different version. B. The new switch will be assigned a member ID and then placed in an inactive state. C. The new switch is not recognized by the virtual Chassis. D. The new switch will be assigned a member ID and then placed in an inactive state.

Correct Answer: D

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Question 6

Exhibit.
***Exhibit is Missing***
Which two statements are correct. (Choose two.)

A. Route 2001:2244:3311:321:233::.128 will be advertised to an EBGP peer in AS 62553. B. The AS path shows two hops to their IBGP routers within autonomous system 62553. C. The active path to2001:2244:3311:321:233::.128 will exist using interface irb.433. D. Route 2001:2244:3311:321:233::.128 has been prepended.

Correct Answer: C,D

Question 7

Which two routers belong to the 172.16.0.0/22 aggregate route? (Choose two.)

A. 172.16.3.0/24 B. 172.16.5.0/24 C. 172.16.4.0/24 D. 172.16.0.0/24

Correct Answer: A,D

Question 8

An EBGP session sources its TCP connection from which IP address?

A. The IP address of the interface that connects the two BGP speakers. B. The IP address of the primary address assigned to the loopback interface. C. The IP address assigned as the router ID. D. The IP address of the preferred address assigned to the loopback interface.

Correct Answer: A

Question 9

Exhibit.

Click the Exhibit button Referring to the exhibit, what will be the IS-IS adjacency result of the configurations?

A. A level 2 IS4S adjacency will form B. A level 1 and level 2 IS-IS adjacency will form C. A level 1 IS-IS adjacency will form D. No IS-IS adjacencies will form

Correct Answer: D

Question 10

How many bytes of overhead are added to packet traversing a GRE tunnel?

A. 20 B. 16 C. 24 D. 12

Correct Answer: C

Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) - JN0-348 Exam Practice Test