Juniper Juniper Certifications JN0-348 Questions & Answers

• Question 31:

  Click the Exhibit button.

  

  Referring to the exhibit, which two statements about BGP prefixes advertised by R1 to AS 65501 are true? (Choose two.)

  A. R1 will modify the originator ID attribute in prefixes advertised to AS 65501

  B. R1 will modify the AS path attribute in prefixes advertised to AS 65501

  C. R1 will modify the next-hop attribute in prefixes advertised to AS 65501

  D. R1 will modify the cluster list attribute in prefixes advertised to AS 65501

  Correct Answer: AC

• Question 32:

  Which two statements about DHCP snooping are correct? (Choose two.)

  A. DHCP snooping inspects all DHCP packets on untrusted ports.

  B. By default, the Junos OS treats access ports as trusted and trunk ports as untrusted.

  C. DHCP snooping uses ARP to add statically defined IP addresses to its database.

  D. The DHCP database maps IP addresses, MAC addresses, and the associated VLAN.

  Correct Answer: AD

• Question 33:

  Click the Exhibit button.

  

  You want to prevent rogue BPDUs from lab devices reaching the internal through the Lab_Switch device. Referring to the exhibit, what should be done to accomplish this task?

  A. Configure the three lab ports as edge ports

  B. Configure an input filter on interface xe-0/2/0 to discard the RSTP packets

  C. Configure the three lab ports under the protocols layer2-control bpdu-block hierarchy on the switch

  D. Configure protocols rstp with the bpdu-block-on-edge parameter for interface xe-0/2/0

  Correct Answer: C

• Question 34:

  Click the Exhibit button.

  

  You manage the Layer 2 network shown in the exhibit. You experience a failure on the ge-0/0/0 link between Switch-1 and Switch-2.

  Which statement is correct about the expected behavior?

  A. Switch-2 will remove itself from the RSTP topology

  B. Switch-2's ge-0/0/2 port role and state will transition to root and forwarding

  C. Switch-2 will become the root bridge for a separate RSTP topology

  D. Switch-2's ge-0/0/2 port role and state will remain as designated and forwarding

  Correct Answer: B

• Question 35:

  Click the Exhibit button.

  

  A recent security audit indicates that peer-to-peer applications are allowed on the guest VLAN and employees may have been using the guest VLAN for this purpose. You deploy the configuration shown in the exhibit, but it does not stop the peer-to-peer traffic.

  In this scenario, what must you do to implement the security policy?

  A. Implement 802.1X on the guest VLAN

  B. Attach the filter to the VLAN

  C. Deploy storm control to block unknown unicast traffic

  D. Use persistent MAC learning

  Correct Answer: B

• Question 36:

  Click the Exhibit button.

  

  Referring to the output shown in the exhibit, which two statements are true?

  A. The route is active

  B. The route is not active

  C. The route is a generate route

  D. The route is an aggregate route

  Correct Answer: AC

• Question 37:

  Click the Exhibit button.

  

  Referring to the exhibit, which configuration change is needed for an IS-IS Level 1 adjacency between R1 and R2?

  A. Configure the lo0 family ISO address 49.0002.0010.0042.0002.00 on R2

  B. Configure the lo0 family ISO address 49.0002.0010.0042.0002.00 on R1

  C. Enable Level 2 on R1's ge-0/0/1 interface

  D. Disable Level 2 on R2's ge-0/0/1 interface

  Correct Answer: A

• Question 38:

  Click the Exhibit button.

  

  Based on the traceoptions output shown in the exhibit, what is the problem with the adjacency?

  A. connectivity

  B. authentication mismatch

  C. MTU mismatch

  D. area mismatch

  Correct Answer: D

• Question 39:

  Click the Exhibit button.

  

  Referring to the output shown in the exhibit, which statement is correct?

  A. 11.0.0.108/32 is being per-flow load-balanced

  B. 11.0.0.102/32 is being per-packet load-balanced

  C. 11.0.0.102/32 is being per-flow load-balanced

  D. 11.0.0.108/32 is being per-packet load-balanced

  Correct Answer: D

• Question 40:

  Click the Exhibit button.

  

  Referring to the exhibit, what do the asterisks (*) indicate?

  A. The entries are new

  B. The entries are stale

  C. The router originated the entries

  D. The router received the entries

  Correct Answer: C