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Nokia 4A0-114 certification exam is essential for network professionals who want to gain a deep understanding of BGP and its applications. Nokia Border Gateway Protocol Fundamentals for Services certification helps individuals understand the working of BGP, including its architecture, routing policies, and various configuration options. Successful completion of 4A0-114 exam demonstrates an individual's expertise in handling BGP-related tasks in a network environment.
Nokia 4A0-114 certification exam consists of 60 multiple-choice questions that must be completed within 90 minutes. 4A0-114 exam covers a wide range of topics, including BGP routing policies, BGP peering and scaling, BGP route filtering, and BGP route selection. Candidates must achieve a passing score of 70% or higher to earn the certification.
NEW QUESTION # 24
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. Each PE router needs to advertise an IP address as a labeled BGP route to identify the tunnel endpoint.
- B. Either RSVP, LDP, or segment routing tunnels need to be established between regions.
- C. MP-BGP address families label-ipv4 or label-ipv6 need to be supported on each of the edge routers.
- D. Either RSVP, LDP, or segment routing tunnels need to be established within each region.
Answer: A
NEW QUESTION # 25
Which of the following regarding BGP Path Identifier is FALSE?
- A. Path-ID is a four-octet identifier pre-pended to the NLRI field of a BGP update.
- B. Path-ID is an optional transitive attribute used to advertise multiple paths.
- C. Path-ID uniquely identifies each path advertised to a neighbor.
- D. A BGP speaker that re-advertises a route must generate its own Path-ID.
Answer: B
NEW QUESTION # 26
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 outer label is an RSVP, LDP, or segment routing label pushed by router Core1.
- B. The second label is a BGP label pushed by router RBR1.
- C. The outer label will be popped by router Core2.
- D. The service label is a label pushed by router PE1.
Answer: A
NEW QUESTION # 27
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 # 28
In the diagram, the BGP import policy "north-and-south" is applied to router R5. Router R1 advertises the prefix 140.100.1.0/24 with a community set to "65200:1". Which of the following statements about how router R5 processes the received route update for prefix 140.100.1.0/24 is TRUE?
- A. The prefix's community value is removed.
- B. The prefix's local preference is set to 20.
- C. The prefix is rejected.
- D. The prefix's community value is modified to 65200:2.
Answer: D
NEW QUESTION # 29
A router in AS 65100 receives three routes for 138.120.0.0/16. The first route has an AS Path of 65200 65400
65300 and a local preference of 150. The second route has an AS Path of 65200 65300 and a local preference of 100. The third route has an AS Path of 65600 65300 and a local preference of 100. Which route will appear in the RIB-out?
- A. Only the second route will appear in the RIB-Out.
- B. Only the third route will appear in the RIB-Out.
- C. All routes will appear in the RIB-Out.
- D. Only the first route will appear in the RIB-Out.
Answer: D
NEW QUESTION # 30
Which of the following statements about a distributed EVPN VPRN service is FALSE?
- A. Its configured route target indicates to the PE router which of the received BGP route updates are relevant to this VPRN.
- B. It acts as a router, carrying IP packets between customer sites.
- C. It requires two types of interfaces, one towards customer sites and one towards the backhaul VPLS.
- D. It relies on MP-BGP and on the EVPN address family to populate its routing table.
Answer: C
NEW QUESTION # 31
Which of the following statements about the MED BGP path attribute is FALSE?
- A. Routes having lower values in their MED BGP path attribute are preferred.
- B. The MED BGP path attribute's value is set by a router at the edge of an AS.
- C. The MED BGP path attribute is transitive.
- D. The MED BGP path attribute is optional.
Answer: B
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. 140000 137000
- B. 200 140000 137000
- C. 23456 23456
- D. 137000 140000
Answer: C
NEW QUESTION # 33
Which of the following attributes can be used to prevent route advertisement loops in a network using router reflectors?
- A. MED
- B. AS_PATH
- C. ORIGIN
- D. CLUSTER_LIST
Answer: D
NEW QUESTION # 34
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 BGP protocol is administratively disabled on the remote BGP peer.
- D. The local router is properly configured but the remote BGP peer is not.
Answer: D
NEW QUESTION # 35
Which of the following statements about BGP is FALSE?
- A. BGP uses Hello messages to dynamically discover BGP peers.
- B. BGP uses the OPEN message to exchange capability parameters between routers.
- 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 # 36
Given the network shown, which of the following is the correct BGP configuration for RR1?
- A.
- B.
- C.
- D.
Answer: C
NEW QUESTION # 37
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 advertised using LDP.
- B. The service label is carried in an MP-BGP VPN-IPv4 route update.
- C. The service label must be manually configured for the VPRN on each PE router.
- D. The service label is prepended to the customer IPv4 prefixes.
Answer: B
NEW QUESTION # 38
Which of the following statements about EVPN services is FALSE?
- A. 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.
- B. EVPN services support signaling for the use of MPLS and VXLAN tunnels.
- 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: B
NEW QUESTION # 39
A TCP connection fails to be established with a BGP peer. Which of the following are valid options for the BGP connection state?
- A. Idle or Active
- B. Connect or Active
- C. Idle or Connect
- D. Connect or Open Sent
Answer: B
NEW QUESTION # 40
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To be successful in the Nokia 4A0-114 exam, individuals should have significant experience with networking protocols, operability techniques, and routing policies. Moreover, they should also have a vast understanding of BGP applications and SDN architectures, protocols, and mechanisms. The Nokia 4A0-114 certification program aims to ensure that individuals have the necessary knowledge and competencies to support large-scale enterprise networks and service providers’ infrastructure requirements.
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