Juniper JNCIA JN0-201 Questions & Answers

• Question 101:

  What are two purposes of the AS_PATH attribute? (Choose two.)

  A. defining the application of other BGP attributes

  B. loop avoidance

  C. route selection

  D. determining equal cost paths forreachablilty

  Correct Answer: BC

• Question 102:

  Given the following policy:

  policy-statement limit-cust { from { route-filter 10.0.0.0/8 orlonger reject;

  route-filter 10.0.55.0/24 orlonger; route-filter 10.0.0.0/16 orlonger accept;

  route-filter 0.0.0.0/0 through 0.0.0.0/32 { metric 5; accept; } } then { metric 10; accept; }

  What happens to the route 10.0.0.128/25?

  A. The route is rejected.

  B. The route is accepted.

  C. The metric is set to 5, and the route is accepted.

  D. The metric is set to 10, and the route is accepted.

  Correct Answer: B

• Question 103:

  You want to ensure that an LSP from router A to router D always goes through router C, which is two hops away. The ERO is configured as _____.

  A. D loose

  B. C loose

  C. C strict

  D. B strict

  Correct Answer: B

• Question 104:

  Router A has a priority of 64, Router B has a priority of 0, and Router C has a priority of 70. Router D now comes online with a priority of 100. Which router is the DIS?

  A. Router D

  B. Router C

  C. Router B

  D. Router A

  Correct Answer: A

• Question 105:

  In normal operation, what is the job of the penultimate router?

  A. It examines the IP packet and forwards the packet based on the destination IP address.

  B. It pushes an additional label on a packet and sends it to the egress router.

  C. It swaps an incoming label with a label of 3 and sends it to the egress router.

  D. It pops the label and sends the remaining data packet to the egress router.

  Correct Answer: D

• Question 106:

  Which path will a packet follow within a Juniper Networks router after it enters an interface and before a forwarding table lookup is performed?

  A. PIC I/O Manager, Buffer Manager, Internet Processor, I/O Manager

  B. PIC I/O Manager, Buffer Manager, I/O Manager, Internet Processor

  C. PIC I/O Manager, I/O Manager, Internet Processor, Buffer Manager

  D. PIC I/O Manager, I/O Manager, Buffer Manager, Internet Processor

  Correct Answer: D

• Question 107:

  A network administrator would like to verify the active alarms on interface so-0/0/0.0. Which command displays this information?

  A. show interfaces extensive

  B. show alarms

  C. show alarms extensive

  D. show interfaces terse

  Correct Answer: A

• Question 108:

  When configuring an IBGP peering session between loopback interfaces, why is the local-address option required?

  A. for TCPreachability

  B. for MD5 authentication

  C. for VLSM support

  D. for loop prevention

  Correct Answer: A

• Question 109:

  What command would you use to view an IS-IS adjacency?

  A. showiso adjacency

  B. showisis adjacency

  C. showiso neighbor

  D. showisis neighbor

  Correct Answer: B

• Question 110:

  What are the three components of the ISO NET address? (Choose three.)

  A. N-selector

  B. ISO number

  C. MAC address

  D. System ID

  E. Area ID

  F. AS number

  Correct Answer: ADE