2023 100% Free 4A0-114 Daily Practice Exam With 45 Questions [Q21-Q45]

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2023 100% Free 4A0-114 Daily Practice Exam With 45 Questions

4A0-114 exam torrent Nokia study guide


To pass the Nokia 4A0-114 exam, candidates must demonstrate a deep understanding of BGP concepts, as well as the ability to configure and troubleshoot BGP networks using Nokia equipment. 4A0-114 exam consists of 60 multiple-choice questions, and candidates have 90 minutes to complete it. To achieve a passing score, candidates must earn a minimum of 70% on the exam.

 

NEW QUESTION # 21
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 flags both updates as invalid.
  • C. Router RA accepts both updates and flags them as used.
  • D. Router RA prefers the update received from router RR1.

Answer: B


NEW QUESTION # 22
Which of the following is considered a best practice for BGP address planning?

  • A. Advertising external networks into IGP.
  • B. Exporting the networks associated with the external links of eBGP peers into BGP.
  • C. Using system addresses for setting up iBGP sessions.
  • D. Optimizing BGP route table by exporting IGP routes into BGP.

Answer: C


NEW QUESTION # 23
Which of the following statements about router reflectors is FALSE?

  • A. A router reflector disables the iBGP split-horizon rule for its clients.
  • B. A route reflector can have both iBGP and eBGP clients.
  • C. A full iBGP mesh is required among route reflectors.
  • D. Route reflectors are used to reduce the number of iBGP sessions required in an AS.

Answer: C


NEW QUESTION # 24
On the Nokia 7750 SR, which of the following is NOT an address family that BGP supports?

  • A. IPv4
  • B. Label-IPv4
  • C. MP-EVPN
  • D. VPN-IPv4

Answer: B


NEW QUESTION # 25
What kind of BGP path attribute is AS_PATH?

  • A. Optional transitive
  • B. Well-known discretionary
  • C. Well-known mandatory
  • D. Optional non-transitive

Answer: C


NEW QUESTION # 26
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 # 27
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. The types of BGP sessions with routers R2 and R3 cannot be determined.
  • B. Router R1forms eBGP sessions with routers R2 and R3.
  • C. Router R1forms an iBGP session with router R2, and an eBGP session with router R3.
  • D. Router R1forms iBGP sessions with routers R2 and R3.

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 provides a multipoint connectivity service.
  • C. It uses control-plane MAC learning.
  • D. It maintains a forwarding database.

Answer: C


NEW QUESTION # 29
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 # 30
Which BGP message type is used to verify connectivity during and after BGP session establishment?

  • A. Keep-Alive
  • B. Update
  • C. Hello
  • D. Open

Answer: A


NEW QUESTION # 31
Which of the following statements about BGP is FALSE?

  • A. BGP was originally designed as an exterior routing protocol.
  • 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 uses Hello messages to dynamically discover BGP peers.

Answer: A


NEW QUESTION # 32
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 must be manually configured for the VPRN on each PE router.
  • B. The service label is prepended to the customer IPv4 prefixes.
  • 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 # 33
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 is rejected.
  • B. The prefix's community value is modified to 65200:2.
  • C. The prefix's community value is removed.
  • D. The prefix's local preference is set to 20.

Answer: B


NEW QUESTION # 34
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 # 35
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. EVPN MAC
  • B. EVPN IP-Prefix
  • C. VPN-IPv4
  • D. Label-IPv4

Answer: B


NEW QUESTION # 36
What type of information does a type-2 EVPN route update carry?

  • A. It carries a host MAC address and optionally the IP prefix of the subnet where the host is located.
  • B. It carries an IP address and requests the MAC address of the corresponding host.
  • C. It carries a host MAC address and optionally the associated IP address that belongs to the same host.
  • D. It carries an IP prefix and its associated mask.

Answer: C


NEW QUESTION # 37
Which of the following statements regarding BGP shortcuts is FALSE?

  • A. A full mesh of iBGP peering sessions is not required,
  • B. The transit routers need to support LDP or RSVP-TE LSPs.
  • C. MPLS tunnels are used to carry transit traffic across the network.
  • D. Edge and transit routers need to be configured with BGP.

Answer: D


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 outer label will be popped by router Core2.
  • B. The second label is a BGP label pushed by router RBR1.
  • C. The outer label is an RSVP, LDP, or segment routing label pushed by router Core1.
  • D. The service label is a label pushed by router PE1.

Answer: C


NEW QUESTION # 39
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