Juniper Juniper Certifications JN0-348 Questions & Answers

• Question 71:

  You have configured the router with an IS-IS interface metric of 2048. However, the IS-IS interface metric of 63 is being applied for the interface of this router.

  What must you do to enable the larger metric value?

  A. Enable wide metrics.

  B. Disable narrow metrics.

  C. Restart the IS-IS protocol.

  D. Enable level 1 IS-IS routing.

  Correct Answer: A

• Question 72:

  When configuring firewall filters, which function does the interface-specific parameter enable on an EX Series switch?

  A. The interface-specific parameter is required to configure port-specific counters.

  B. The interface-specific parameter is required to configure VLAN-specific counters.

  C. The interface-specific parameter is required to configure VLAN-based filters.

  D. The interface-specific parameter is required to configure port-based firewall filters.

  Correct Answer: A

• Question 73:

  Which two statements describe BGP attributes? (Choose two.)

  A. BGP attributes help determine the best path to a destination.

  B. The origin attribute indicates the autonomous systems through which the route has traversed.

  C. BGP attributes are always optional.

  D. The AS path attribute indicates the autonomous systems through which the route has traversed.

  Correct Answer: AD

• Question 74:

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

  A. router priority

  B. options

  C. hello interval

  D. neighbor

  Correct Answer: BC

• Question 75:

  Your network is configured with dynamic ARP inspection (DAI) using the default parameters for all the DHCP and ARP related configurations. You just added a new device connected to a trunk port and configured it to obtain an IP address using DHCP.

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

  A. The DHCP server assigns the IP addressing information to the new device.

  B. DAI validates the ARP packets for the new device against the DHCP snooping database.

  C. The ARP request and response packets for the new device will bypass DAI.

  D. DHCP snooping adds the DHCP assigned IP address for the new device to its database.

  Correct Answer: AB

• Question 76:

  Which two requirements must be satisfied before graceful restart will work? (Choose two.)

  A. a stable network topology

  B. a neighbor configured with BFD

  C. a neighbor configured with graceful restart

  D. a neighbor with an uptime greater than an hour

  Correct Answer: AC

• Question 77:

  

  Referring to the exhibit, which configuration will force traffic to always use ae0.0 as long as it is active?

  

  A. B. C. D.

  Correct Answer: C

• Question 78:

  What are two characteristics of OSPF ABRs? (Choose two.)

  A. ABRs transmit routing information between the backbone and other areas.

  B. ABRs cannot be part of the backbone and another area at the same time.

  C. ABRs inject routing information from outside the OSPF domain.

  D. ABRs link two OSPF areas.

  Correct Answer: AD

• Question 79:

  Which statement is correct about trunk ports?

  A. Trunk ports must have an IRB assigned to accept VLAN tagged traffic.

  B. By default, trunk ports accept only VLAN tagged traffic.

  C. By default, a trunk port can have only a single VLAN assigned.

  D. trunk ports must have an IRB assigned to accept untagged traffic.

  Correct Answer: B

• Question 80:

  What are two advantages of a point-to-point OSPF adjacency? (Choose two.)

  A. Only a DR is elected.

  B. No type 1 LSAs are generated.

  C. No type 2 LSAs are generated.

  D. There is quicker neighbor establishment.

  Correct Answer: CD