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The Service Provider Routing and Switching track enable you to demonstrate a thorough understanding of networking technology in general and Juniper Networks service provider routing and switching platforms. JNCIS-SP, the specialist-level certification in this track, is designed for networking professionals with beginner to intermediate knowledge of routing and switching implementations in Junos. The written exam verifies your basic understanding of routing and switching technologies and related platform configuration and troubleshooting skills.

Exam Code: JN0-363

Exam Type: 65 multiple-choice questions

Exam Length: 90 minutes

Delivered by Pearson VUE

Prerequisite Certification: JNCIA-Junos

Software Versions: Junos OS 21.2

Protocol-Independent Routing

Open Shortest Path First (OSPF)

Intermediate System to Intermediate System (IS-IS)

Border Gateway Protocol (BGP)

Layer 2 Bridging or VLANs

Spanning-Tree Protocols

Multiprotocol Label Switching (MPLS)

IPv6

Tunnels

High Availability

1. You have configured multiple IP-IP tunnels across your network to provide connectivity to remote sites.

Which technique is used to help the IP endpoints in your network determine the optimal packet size to send across your tunnels?

A.  path MTU discovery

B.  fragmentation discovery

C.  end-to-end MTU discovery

D.  packet throughput discovery

Answer: A

 

2. Which statement is correct about IS-IS?

A. IS-IS is a distance vector routing protocol.

B. IS-IS is a path vector routing protocol.

C. IS-IS is a link-state routing protocol.

D. IS-IS is a classful routing protocol.

Answer: C

 

3. Which new field is added to an IPv6 header as compared lo IPv4?

A. version

B. checksum

C. fragment offset

D. flow label

Answer: D

 

4. Which three protocols can be encapsulated within a GRE tunnel on a Junos device? (Choose three.)

A.  AppleTalk

B.  Aggregated Ethernet

C.  IPv6

D.  MPLS

e) Ethernet

Answer: A, C, D

 

5. In the evaluation of an RSTP configuration BPDU, which two values are contained in the Bridge ID value? (Choose two)

A.  root bridge address

B.  priority

C.  originating bridge address

D.  port number

Answer: B, C

 

6. You have been asked to configure an IPv6 address for a group of interfaces that could belong on different routers. If a packet is sent to that address, it should be received by all routers in the group.

Which address type would be suited for these requirements?

A.  Unicast

B.  Multicast

C.  Anycast

D.  Broadcast

Answer: B

 

7. On a Junos device with dual Routing Engines (REs), which two statements correctly describe the expected behaviour if the primary RE fails? (Choose two.)

A.  The backup RE will assume the master role once the Packet Forwarding Engine (PFE) restarts.

B.  The backup RE will immediately assume the master role.

C.  The new master RE restarts the routing protocol process (rpD.  and establishes any required adjacencies based on the configuration.

D.  The new master RE maintains the existing protocol adjacencies initially established by the previous master RE.

Answer: A, C

 

8. In which two environments would BGP add value? (Choose two)

A.  an enterprise environment with a single upstream connection

B.  an enterprise environment with multiple upstream connections

C.  a service provider environment

D.  a home office environment

Answer: B, C

 

9. You must configure your dual-RE Junos device to allow failover to the backup RE without causing protocol or data plane disruption for neighboring devices.

Which two configuration statements are required to accomplish this task? (Choose two.)

A.  set chassis redundancy graceful-switchover

B.  set routing-options nonstop-routing

C.  set routing-engine redundancy

D.  set routing-options graceful-restart

Answer: A, B

 

10. You have configured multiple IP-IP tunnels across your network to provide connectivity to remote sites.

Which technique is used to help the IP endpoints in your network determine the optimal packet size to send across your tunnels?

A.  path MTU discovery

B.  fragmentation discovery

C.  end-to-end MTU discovery

D.  packet throughput discovery

Answer: A