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NEW QUESTION # 51
Click the Exhibit.
By default, at which router will the implicit null (Label3) action take place for LSP shown in the exhibit?
- A. R3
- B. R4
- C. R1
- D. R2
Answer: A
NEW QUESTION # 52
Click the Exhibit button.
All devices in the network are configured correctly and the path requirements are valid.
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. The primary LSP will not be signaled, and its state will be down.
- B. The primary LSP will be signaled, and its state will be up.
- C. The secondary LSP will not be signaled, and its state will be down.
- D. The secondary LSP will be signaled, and its state will be up.
Answer: B,C
NEW QUESTION # 53
Which two statements describe operations performed by the encapsulating tunnel endpoint in an IP-IP tunnel? (Choose two.)
- A. It modifies the source and destination addresses in the inner IP header
- B. It adds an outer IP header with the destination address of the remote tunnel endpoint
- C. It creates and adds a new inner IP header with the remote destination device's IP address
- D. It decrements the time-to-live (TTL) counter by one in the inner IP header
Answer: B,D
NEW QUESTION # 54
Click the exhibit.
In the exhibit, which two routers will perform a swap action on LSP1? (Choose two.)
- A. R4
- B. R2
- C. R3
- D. R1
Answer: B,D
NEW QUESTION # 55
What are two bridging concepts that are used to maintain an Ethernet switching table? (Choose two.)
- A. learning
- B. exporting
- C. aging
- D. timing
Answer: A,C
Explanation:
In Ethernet switching, learning and aging are two fundamental concepts for maintaining a dynamic Ethernet switching table (also known as a MAC address table). Learning is the process by which switches listen for frames and learn the MAC addresses by associating them with the incoming port. Aging is the mechanism that ensures the switch updates its table by removing MAC addresses that have not been seen for a certain amount of time (aging time).
Reference:
Juniper documentation on Ethernet switching: Understanding Ethernet Switching on Junos OS Devices
NEW QUESTION # 56
What are three well-known mandatory BGP attributes? (Choose three.)
- A. MED
- B. community
- C. origin
- D. AS path
- E. next hop
Answer: C,D,E
Explanation:
https://www.catchpoint.com/bgp-monitoring/bgp-attributes
BGP Attribute Categories
There are four categories of BGP attributes:
Well-known mandatory:Recognized by all BGP peers, passed to all peers, and present in all Update messages.
Well-known mandatory attributes include:- Next-hop- Origin- AS PATH
Well-known discretionary:Recognized by all routers, passed to all peers, and optionally included in the Update message. Well-known discretionary attributes include:- Local Preference- Atomic Aggregate Optional transitive:Possibly recognized by BGP routers and passed to BGP peers. Optional transitive attributes are marked as partial when not recognized. Optional transitive attributes include:- Aggregator- Community Optional non-transitive:Possibly recognized by BGP routers but not passed to peers. Optional non-transitive attributes include:- Multi-exit discriminator (MED)- Originator ID- Cluster-ID The three well-known mandatory BGP attributes that must be present in every BGP update message are:
Next Hop: Indicates the next hop IP address to reach the advertising BGP peer.
Origin: Indicates how the route was originated, whether it was via IGP, EGP, or incomplete.
AS Path: Lists the autonomous systems that the update has traversed.
References
Juniper Networks Technical Documentation on BGP Attributes
NEW QUESTION # 57
What are two characteristics of a traditional Ethernet LAN? (Choose two.)
- A. Nodes use a step-up algorithm when collisions are detected.
- B. Nodes can successfully transmit simultaneously.
- C. It consists of a single broadcast domain.
- D. Nodes share a physical medium.
Answer: C,D
NEW QUESTION # 58
Which two statements are correct about IS-IS interface metrics? (Choose two.)
- A. Wide metrics enable an IS-IS interface to have a maximum metric value of 1023.
- B. By default, an IS-IS interface has a maximum metric value of 63.
- C. Wide metrics enable IS-IS interface to have a maximum metric value of around 16 million.
- D. By default, an IS-IS interface has a maximum metric value of 1023.
Answer: B,C
NEW QUESTION # 59
Exhibit
Which two statements are correct about the service provider MPLS network shown in the exhibit? (Choose two.)
- A. R3 is considered a P router.
- B. R3 is considered an ingress router.
- C. R3 is considered a PE router.
- D. R3 is considered a transit router.
Answer: A,D
NEW QUESTION # 60
You are logged into a PE router participating in a Layer 3 VPN as defined in RFC 4364. You would like to ping the remotely connected CE router's loopback address. The address of the loopback is 122.161.2.1, the VPN routing-instance is called VPN-C.Which command will accomplish this goal?
- A. ping routing-instance VPN-C 122.161.2.1
- B. ping instance VPN-C 122.161.2.1
- C. ping vpn-instance VPN-C 122.161.2.1
- D. ping VPN-C 122.161.2.1
Answer: A
NEW QUESTION # 61
Which two statements ate correct about the actions taken as the packet traverses the service provider MPLS network from Site 1 to Site 2 as shown in the exhibit?
(Choose two.)
- A. R1 will perform a lookup using the mpls.0 table.
- B. R1 will perform a lookup using the lnet.3 table.
- C. R2 will perform a lookup using the inet.3 table.
- D. R2 will perform a lookup using the mpls.0 table.
Answer: D
NEW QUESTION # 62
Click the Exhibit button.
Referring to the exhibit, which statement is true?
- A. The router will prune links with insufficient bandwidth from the path before beginning the signaling process
- B. The router will analyze the traffic engineering database to determine the best path through the network
- C. The router will attempt to signal the LSP along the IGP shortest path to 192.168.100.1
- D. The router will precalculate a valid path through the network for LSP r1-to-r3
Answer: A
NEW QUESTION # 63
An IS-IS TLV includes which two attributes? (Choose two.)
- A. Topology
- B. Vector
- C. Value
- D. Length
Answer: C,D
NEW QUESTION # 64
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. Traffic ingressing ge-1/0/0 that is tagged with VLAN 200 will egress ge-1/0/4 with an outer VLAN tag of 200.
- B. Traffic ingressing ge-1/0/0 that is tagged with VLAN 100 will be dropped.
- C. Traffic ingressing ge-1/0/0 that is tagged with VLAN 100 will egress ge-1/0/4 with an outer VLAN tag of 200.
- D. Traffic ingressing ge-1/0/0 that is tagged with VLAN 200 will be dropped.
Answer: C,D
NEW QUESTION # 65
Click the Exhibit button.
Referring to the exhibit, you have an established RSVP LSP between R1 and R4 when you experience a link failure between R2 and R3.
Which two statements are correct? (Choose two.)
- A. R2 sends a PathTear message upstream to R1 signaling the link failure.
- B. R2 sends a ResvTear message upstream to R1 signaling the link failure.
- C. R3 sends a PathTear message downstream to R4 signaling the link failure.
- D. R3 sends a ResvTear message downstream to R4 signaling the link failure.
Answer: B,D
Explanation:
Upon a link failure in an RSVP-signaled LSP, the router upstream of the failure (R2) sends a PathTear message upstream to the ingress router (R1), and the router downstream of the failure (R3) sends a ResvTear message downstream to the egress router (R4). These messages signal the failure and initiate tear down of the LSP state in the respective directions.References:
RSVP-TE Overview, Juniper Networks Documentation
Understanding RSVP Signal Failures, Juniper Networks Documentation
NEW QUESTION # 66
Which two statements correctly describe the BGP community attribute? (Choose two.)
- A. Multiple communities can be associated with a route.
- B. The community attributes is an optional transitive attribute.
- C. The community attribute is an optional nontransitive attribute.
- D. Only one community can be associated with a route.
Answer: A,B
NEW QUESTION # 67
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Juniper JN0-363 Certification Exam is designed for professionals who want to validate their skills and knowledge in Service Provider Routing and Switching. Service Provider Routing and Switching, Specialist (JNCIS-SP) certification is intended for individuals who are already familiar with Juniper Networks technologies and want to advance their careers in the service provider industry. The JN0-363 exam covers a wide range of topics, including routing protocols, MPLS, BGP, OSPF, and VPNs. Passing the JN0-363 exam requires a deep understanding of service provider networks and the ability to troubleshoot complex issues.
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