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NEW QUESTION 20
Click the exhibit.
Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.
Assuming that none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes" on router R5?
- A. Option A
- B. Option D
- C. Option B
- D. Option C
Answer: D
NEW QUESTION 21
A TCP connection fails to be established with a BGP peer. Which of the following are valid options for the BGP connection state?
- A. Connect or Active
- B. Idle or Connect
- C. Idle or Active
- D. Connect or Open Sent
Answer: A
NEW QUESTION 22
What does an EVPN VPLS do that a traditional VPLS does not do?
- A. It provides a multipoint connectivity service.
- B. It maintains a forwarding database.
- C. It uses control-plane MAC learning.
- D. It acts as a switch, carrying full layer-2 frames between customer sites.
Answer: C
NEW QUESTION 23
Which of the following regarding route reflectors is TRUE?
- A. Only the route reflector is configured with a cluster id.
- B. Clients should have iBGP sessions with each other to maintain the mesh.
- C. There can only be one route reflector in a cluster.
- D. There can only be one level of route reflectors in the topology.
Answer: A
NEW QUESTION 24
Which BGP message type is used to verify connectivity during and after BGP session establishment?
- A. Hello
- B. Update
- C. Open
- D. Keep-Alive
Answer: D
NEW QUESTION 25
An autonomous system has 7 routers configured with BGP. How many iBGP sessions are required for a fully meshed configuration?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 26
Which of the following statements about IPv6 Link-Local addresses is FALSE?
- A. They have an interface ID derived by default from the interface's IPv4 address.
- B. They are only valid for communication within the same broadcast domain.
- C. They are assigned to every physical interface running IPv6.
- D. They all have the same 64-bit subnet prefix.
Answer: A
NEW QUESTION 27
An export policy is applied on a router to advertise a prefix to its eBGP peers. By default, which of the following updates are made to the route attributes?
- A. COMMUNITY is set to the local AS number.
- B. LOCAL_PREFERENCE is set to 100.
- C. The local AS number is added to AS_PATH.
- D. NEXT_HOP is set to the neighbor router's interface IP address.
Answer: C
NEW QUESTION 28
Click the exhibit.
Which of the following is a valid confederation configuration for Router R2?
- A. Option A
- B. Option D
- C. Option B
- D. Option C
Answer: D
NEW QUESTION 29
A traditional (non EVPN) VPRN service is configured using MP-BGP and LDP transport tunnels. Which of the following statements about the VPN service label is TRUE?
- A. The service label is prepended to the customer IPv4 prefixes.
- B. The service label must be manually configured for the VPRN on each PE router.
- C. The service label is carried in an MP-BGP VPN-IPv4 route update.
- D. The service label is advertised using LDP.
Answer: C
NEW QUESTION 30
Which of the following route reflection rules is NOT followed by a route reflector?
- A. If the best route is received from an eBGP peer, propagate to all iBGP peers.
- B. If the best route is received from a client, propagate to all iBGP peers.
- C. If the best route is received from a client, do not propagate to eBGP peers.
- D. If the best route is received from an eBGP peer, propagate to all eBGP peers.
Answer: C
NEW QUESTION 31
A BGP session is stuck in the "Connect" state. Which of the following is the most likely reason?
- A. The BGP protocol is administratively disabled on the local router.
- B. The remote BGP peer is properly configured but the local router is not.
- C. The local router is properly configured but the remote BGP peer is not.
- D. The BGP protocol is administratively disabled on the remote BGP peer.
Answer: C
NEW QUESTION 32
A BGP router receives the following routes. Which route is selected as best route?
1: 192.169.20.0/24 with local preference 100, MED 150, AS Path 65300 65200 from an eBGP neighbor
2: 192.169.20.0/24 with local preference 100, MED 100, AS Path 63200 from an iBGP neighbor
3: 192.169.20.0/24 with local preference 200, MED 150, AS Path 65400 63200 from an iBGP neighbor
4: 192.169.20.0/24 with local preference 200, MED 100, AS Path 63700 from an eBGP neighbor
- A. Route 2
- B. Route 3
- C. Route 4
- D. Route 1
Answer: A
NEW QUESTION 33
Which of the following statements about BGP is FALSE?
- A. To establish a BGP session, a TCP session must first be established between the two routers.
- B. BGP uses Hello messages to dynamically discover BGP peers.
- C. BGP uses the OPEN message to exchange capability parameters between routers.
- D. BGP was originally designed as an exterior routing protocol.
Answer: D
NEW QUESTION 34
Which of the following statements about BGP peering sessions is FALSE?
- A. BGP peers need IP reachability between them.
- B. eBGP peers have to be adjacent to each other.
- C. iBGP peers can be non-adjacent.
- D. BGP peers can be configured with different AS numbers.
Answer: B
NEW QUESTION 35
The configuration of an Nokia 7750 SR is given below. Router Rl has established BGP sessions with routers R2 and R3. Which of the following is TRUE?
- A. Router R1forms an iBGP session with router R2, and an eBGP session with router R3.
- B. Router R1forms eBGP sessions with routers R2 and R3.
- C. The types of BGP sessions with routers R2 and R3 cannot be determined.
- D. Router R1forms iBGP sessions with routers R2 and R3.
Answer: C
NEW QUESTION 36
Click the exhibit.
Assuming the network is IPv6 only, which of the following configurations on the Nokia
7750 SR router A can establish an IPv6 BGP session to router B?
- A. Option A
- B. Option C
- C. Option D
- D. Option B
Answer: A
NEW QUESTION 37
In the diagram below, an end-to-end transport tunnel needs to be established between PE1 and PE2 using MP-BGP. Which of the following items is NOT required?
- A. Either RSVP, LDP, or segment routing tunnels need to be established between regions.
- B. Either RSVP, LDP, or segment routing tunnels need to be established within each region.
- C. MP-BGP address families label-ipv4 or label-ipv6 need to be supported on each of the edge routers.
- D. Each PE router needs to advertise an IP address as a labeled BGP route to identify the tunnel endpoint.
Answer: D
NEW QUESTION 38
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