[Apr-2023] Nokia 4A0-114 Dumps – Reduce Your Chance of Failure in 4A0-114 Exam
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NEW QUESTION 21
Which of the following statements about route reflector clusters is FALSE?
- A. Multiple clusters may be configured within an AS.
- B. Within an AS, route reflectors belonging to different clusters do not need to be fully-meshed among themselves.
- C. A router can be the client of multiple route reflectors within its AS.
- D. When a route reflector reflects a route, it adds its cluster ID to the Cluster_list attribute.
Answer: D
NEW QUESTION 22
Which of the following statements about BGP is FALSE?
- A. Route reflectors can reduce the number of iBGP sessions required.
- B. Peers need to be IP reachable to establish a BGP session.
- C. The multihop parameter needs to be configured when eBGP peers are not adjacent to each other.
- D. iBGP peers have to be adjacent to each other.
Answer: D
NEW QUESTION 23
On the Nokia 7750 SR, which of the following is NOT an address family that BGP supports?
- A. Label-IPv4
- B. MP-EVPN
- C. VPN-IPv4
- D. IPv4
Answer: A
NEW QUESTION 24
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 carried in an MP-BGP VPN-IPv4 route update.
- B. The service label is prepended to the customer IPv4 prefixes.
- C. The service label must be manually configured for the VPRN on each PE router.
- D. The service label is advertised using LDP.
Answer: A
NEW QUESTION 25
A BGP session is stuck in the "Connect" state. Which of the following is the most likely reason?
- A. The local router is properly configured but the remote BGP peer is not.
- B. The BGP protocol is administratively disabled on the remote BGP peer.
- C. The BGP protocol is administratively disabled on the local router.
- D. The remote BGP peer is properly configured but the local router is not.
Answer: A
NEW QUESTION 26
Click the exhibit.
Assume all router-IDs are properly configured, and global IPv6 addresses are used to establish eBGP sessions.
Which of the following configurations is required on router A so that router B can exchange traffic with router D?
- A. Option D
- B. Option A
- C. Option C
- D. Option B
Answer: B
NEW QUESTION 27
Which of the following statements about EVPN services is FALSE?
- A. EVPN services support signaling for the use of MPLS and VXLAN tunnels.
- B. The same BGP address family can be used to populate the forwarding database of an EVPN VPLS and the route table of an EVPN VPRN.
- C. A local layer-2 EVPN service is referred to as a backhaul VPLS.
- D. The goal of an EVPN service is to provide layer-2 or layer-3 connectivity among two or more customer sites.
Answer: A
NEW QUESTION 28
What does an EVPN VPLS do that a traditional VPLS does not do?
- A. It acts as a switch, carrying full layer-2 frames between customer sites.
- B. It uses control-plane MAC learning.
- C. It provides a multipoint connectivity service.
- D. It maintains a forwarding database.
Answer: B
NEW QUESTION 29
Which of the following statements regarding BGP shortcuts is FALSE?
- A. The transit routers need to support LDP or RSVP-TE LSPs.
- B. MPLS tunnels are used to carry transit traffic across the network.
- C. A full mesh of iBGP peering sessions is not required,
- D. Edge and transit routers need to be configured with BGP.
Answer: D
NEW QUESTION 30
Click the exhibit.
Routers RR1 and RR2 are route reflectors with the same Cluster-ID. How does router RA treat the updates for prefix 192.168.1.0/27 received from routers RR1 and RR2?
- A. Router RA prefers the update received from router RR2.
- B. Router RA accepts both updates and flags them as used.
- C. Router RA flags both updates as invalid.
- D. Router RA prefers the update received from router RR1.
Answer: C
NEW QUESTION 31
Given the network shown, which of the following is the correct BGP configuration for RR1?
- A.
- B.
- C.
- D.
Answer: D
NEW QUESTION 32
Click the exhibit.
An update travels from AS 137000 to AS 135000, traversing both 32-bit and 16-bit AS Paths.
What AS Path is seen by AS 200?
- A. 137000 140000
- B. 140000 137000
- C. 23456 23456
- D. 200 140000 137000
Answer: C
NEW QUESTION 33
Which of the following is considered a best practice for BGP address planning?
- A. Optimizing BGP route table by exporting IGP routes into BGP.
- B. Using system addresses for setting up iBGP sessions.
- C. Exporting the networks associated with the external links of eBGP peers into BGP.
- D. Advertising external networks into IGP.
Answer: B
NEW QUESTION 34
Routers PE1 and PE2 in the diagram exchange MP-BGP route updates that carry the route-target value associated with the EVPN service VPLS 300. What type of addressing information is included in those route updates?
- A. Label-IPv4
- B. EVPN IP-Prefix
- C. VPN-IPv4
- D. EVPN MAC
Answer: B
NEW QUESTION 35
Which of the following statements about a distributed EVPN VPRN service is FALSE?
- A. It acts as a router, carrying IP packets between customer sites.
- B. It requires two types of interfaces, one towards customer sites and one towards the backhaul VPLS.
- C. It relies on MP-BGP and on the EVPN address family to populate its routing table.
- D. Its configured route target indicates to the PE router which of the received BGP route updates are relevant to this VPRN.
Answer: B
NEW QUESTION 36
Which of the following statements about BGP is FALSE?
- A. BGP uses the OPEN message to exchange capability parameters between routers.
- B. BGP uses Hello messages to dynamically discover BGP peers.
- C. To establish a BGP session, a TCP session must first be established between the two routers.
- D. BGP was originally designed as an exterior routing protocol.
Answer: D
NEW QUESTION 37
Which BGP message type is used to verify connectivity during and after BGP session establishment?
- A. Keep-Alive
- B. Open
- C. Update
- D. Hello
Answer: A
NEW QUESTION 38
In the diagram below, a data packet is sent from CE1 to a far-end CE2 over a VPRN service across multiple regions. Which of the following statements about the tunnel labels is FALSE?
- A. The second label is a BGP label pushed by router RBR1.
- B. The outer label is an RSVP, LDP, or segment routing label pushed by router Core1.
- C. The service label is a label pushed by router PE1.
- D. The outer label will be popped by router Core2.
Answer: B
NEW QUESTION 39
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