Juniper Juniper Certifications JN0-102 Questions & Answers

• Question 91:

  You have received a default route through BGP from your ISP and you want to redistribute it into OSPF.

  Which method will accomplish this?

  A. Apply an export policy to OSPF that exports the default route.

  B. Apply an import policy to OSPF that imports the default route.

  C. Apply the default-network command to OSPF.

  D. Apply the redistribute-igp command to BGP.

  Correct Answer: A

• Question 92:

  -- Exhibit -user@router> show route inet.0: 9 destinations, 9 routes (9 active, 0 holddown, 0 hidden)

  + = Active Route, - = Last Active, * = Both 10.10.10.91/32 *[Direct/0] 00:09:40 >via lo0.0 10.10.10.92/32 *[OSPF/10] 00:01:50, metric 1 >to 172.16.1.2 via ge-0/0/2.0 100.100.1.0/24 *[Static/5] 00:01:50 Reject 172.16.1.0/24 *[Direct/0] 00:06:09

  >via ge-0/0/2.0 172.16.1.1/32 *[Local/0] 00:06:09 Local via ge-0/0/2.0 192.168.0.0/16 *[Aggregate/130] 00:00:06 Reject 192.168.0.0/17 *[Aggregate/130] 00:00:06 >to 172.16.1.2 via ge-0/0/2.0 192.168.50.0/24 *[Static/5] 00:00:06 >to 172.16.1.2 via ge-0/0/2.0 192.168.51.0/24 *[Static/5] 00:00:06 >to 172.16.1.2 via ge-0/0/2.0 user@router> show configuration policy-options policy-statement demo { term 1 { from { protocol static;

  route-filter 192.168.0.0/16 orlonger accept;

  }

  then accept;

  }

  }

  user@router> show configuration protocols ospf

  export demo;

  area 0.0.0.0 {

  interface ge-0/0/2.0;

  }

  -- Exhibit -Given the configuration and routing table shown in the exhibit, which routes will be advertised to OSPF

  neighbors because of the demo policy?

  A. 192.168.0.0/16 only

  B. 192.168.50.0/24 only

  C. 192.168.50.0/24 and 192.168.51.0/24

  D. 192.168.0.0/17, 192.168.50.0/24, and 192.168.51.0/24

  Correct Answer: C

• Question 93:

  Which two statements are true about terms in a routing policy? (Choose two.)

  A. A routing policy cannot have more than one term.

  B. If a term does not contain a from statement, all routes match.

  C. If a term does not contain a from statement, the Junos OS will not commit.

  D. A then statement is not mandatory in a term.

  Correct Answer: BD

• Question 94:

  Which command do you use to show active alarms?

  A. show hardware state

  B. show system alarms

  C. show chassis state

  D. show services alarms

  Correct Answer: B

• Question 95:

  What information is used by a switch to forward an Ethernet frame to its destination?

  A. IP address

  B. destination MAC address

  C. ARP table entry

  D. FCS checksum

  Correct Answer: B

• Question 96:

  There are three static routes in the routing table that need to be announced to your OSPF peers. Which method is used to accomplish this?

  A. Apply an import policy to OSPF that injects the static routes into OSPF.

  B. Apply an import policy to the static routes that injects the static routes into OSPF.

  C. Apply an export policy to the static routes that injects the static routes into OSPF.

  D. Apply an export policy to OSPF that injects the static routes into OSPF.

  Correct Answer: D

• Question 97:

  Which network mask is the equivalent of 255.255.248.0?

  A. /20

  B. /21

  C. /22

  D. /23

  Correct Answer: B

• Question 98:

  Which CLI command do you use to determine which files are cleanup candidates?

  A. request system storage cleanup candidates

  B. request system services storage candidates

  C. request system services candidate cleanup

  D. request system storage cleanup dry-run

  Correct Answer: D

• Question 99:

  What are three benefits of class of service? (Choose three.)

  A. It can make a slow network faster.

  B. It can prioritize latency-sensitive traffic.

  C. It can eliminate congestion.

  D. It can control congestion.

  E. It can allocate bandwidth for different classes of traffic.

  Correct Answer: BDE

• Question 100:

  You are modifying the default route preference under the [edit protocols] hierarchy.

  In which two routing information sources can you change the default preference value? (Choose two.)

  A. local

  B. OSPF

  C. direct

  D. BGP

  Correct Answer: BD