Juniper Juniper Certifications JN0-343 Questions & Answers

• Question 181:

  Tyler and Staci are network administrators for AS1 and AS2. Which routing protocol is used for peering between autonomous systems?

  A. OSPF

  B. IS-IS

  C. static routes

  D. BGP

  Correct Answer: D

• Question 182:

  

  If all OSPF routers shown in the exhibit boot at the same time, which router will be elected as the designated router?

  A. R1

  B. R2

  C. R3

  D. R4

  Correct Answer: D

• Question 183:

  Which two common scenarios will prevent an IS-IS adjacency from forming? (Choose two.)

  A. The interface MTU value is set lower than 1492.

  B. An IP address is not configured on the lo0 interface.

  C. There are mismatched Level 1 areas.

  D. There are mismatched Level 2 areas.

  Correct Answer: AC

• Question 184:

  

  All OSPF routers shown in the exhibit booted at the same time, and the network has stabilized.

  How many adjacencies does R1 have?

  A. 0

  B. 1

  C. 2

  D. 3

  Correct Answer: C

• Question 185:

  You want to configure a static route to become available when the primary route fails. Which parameter accomplishes this in the Junos OS?

  A. secondary

  B. qualified-next-hop

  C. backup-route

  D. resolve

  Correct Answer: B

• Question 186:

  Which statement is true regarding redundant trunk groups (RTGs)?

  A. STP and RTG can be used on the same interface.

  B. An aggregated interface can be a member of an RTG.

  C. Members of an RTG must carry different VLANs.

  D. An RTG can contain up to 16 member links.

  Correct Answer: B

• Question 187:

  What are two purposes of MAC move limiting? (Choose two.)

  A. to prevent users from changing switch ports without approval

  B. to prevent Layer 2 loops

  C. to prevent users from moving to an unauthorized VLAN

  D. to prevent MAC spoofing

  Correct Answer: AC

• Question 188:

  -- Exhibit -interfaces { ge-1/1/0 { unit 0 {

  family inet {

  address 10.200.12.1/30;

  }

  }

  }

  lo0 {

  unit 0 {

  family inet {

  address 10.200.1.1/32;

  }

  }

  }

  }

  routing-options {

  static {

  route 10.200.1.2/32 next-hop 10.200.12.2;

  }

  autonomous-system 65001;

  }

  protocols {

  bgp {

  group 65002 {

  local-address 10.200.1.1;

  neighbor 10.200.1.2 {

  peer-as 65002;

  }

  }

  }

  }

  -- Exhibit -Referring to the exhibit, you are configuring an EBGP peering using the loopback address between two routers.

  Which parameter is needed to complete the configuration?

  A. Multipath

  B. Passive

  C. Multihop

  D. local-as

  Correct Answer: C

• Question 189:

  -- Exhibit -

  {master:0}[edit]

  user@router# show interfaces

  ge-0/0/1 {

  unit 0 {

  family ethernet-switching {

  port-mode access;

  vlan {

  members data;

  }

  }

  }

  }

  {master:0}[edit]

  user@router# show ethernet-switching-options

  voip {

  interface ge-0/0/1.0 {

  vlan voice;

  forwarding-class assured-forwarding;

  }

  }

  {master:0}[edit]

  user@router# show vlans

  data {

  vlan-id 10;

  }

  voice {

  vlan-id 20;

  }

  -- Exhibit -Given the configuration in the exhibit, which VLAN or VLANs would be tagged VLANs?

  A. The voice VLAN and the data VLAN

  B. Only the voice VLAN

  C. Both VLANs are untagged

  D. The data VLAN

  Correct Answer: B

• Question 190:

  

  Referring to the exhibit, note that R5 is exporting the 172.168.1.0/24 route into OSPF. Which LSA type does R2 send to R4?

  A. Type 7

  B. Type 5

  C. Type 3

  D. Type 1

  Correct Answer: B