4A0-114 Actual Questions Answers PDF 100% Cover Real Exam Questions
4A0-114 Exam questions and answers
NEW QUESTION # 20
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. Advertising external networks into IGP.
- C. Using system addresses for setting up iBGP sessions.
- D. Exporting the networks associated with the external links of eBGP peers into BGP.
Answer: C
NEW QUESTION # 21
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. The local AS number is added to AS_PATH.
- C. NEXT_HOP is set to the neighbor router's interface IP address.
- D. LOCAL_PREFERENCE is set to 100.
Answer: B
NEW QUESTION # 22
What is the result of configuring the following policy statement as a BGP import policy on the Nokia 7750 SR?
- A. All routes matching prefix lists "List-1" and "List-2" are rejected.
- B. BGP routes matching prefix lists "List-1" or "List-2" are rejected.
- C. BGP routes matching prefix lists "List-1" and "List-2" are rejected.
- D. All BGP routes are accepted.
Answer: B
NEW QUESTION # 23
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 remote BGP peer.
- B. The local router is properly configured but the remote BGP peer is not.
- C. The remote BGP peer is properly configured but the local router is not.
- D. The BGP protocol is administratively disabled on the local router.
Answer: B
NEW QUESTION # 24
What type of information does a type-2 EVPN route update carry?
- A. It carries an IP address and requests the MAC address of the corresponding host.
- B. It carries an IP prefix and its associated mask.
- C. It carries a host MAC address and optionally the IP prefix of the subnet where the host is located.
- D. It carries a host MAC address and optionally the associated IP address that belongs to the same host.
Answer: D
NEW QUESTION # 25
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. Connect or Open Sent
- C. Idle or Active
- D. Idle or Connect
Answer: A
NEW QUESTION # 26
Which of the following statements about BGP is FALSE?
- A. Peers need to be IP reachable to establish a BGP session.
- B. The multihop parameter needs to be configured when eBGP peers are not adjacent to each other.
- C. iBGP peers have to be adjacent to each other.
- D. Route reflectors can reduce the number of iBGP sessions required.
Answer: C
NEW QUESTION # 27
Which BGP message type is used to verify connectivity during and after BGP session establishment?
- A. Open
- B. Hello
- C. Keep-Alive
- D. Update
Answer: C
NEW QUESTION # 28
Which of the following pieces of information is NOT carried inside an EVPN IP-Prefix (type 5) route update associated with an EVPN VPLS?
- A. The VPLS's service tunnel ID (MPLS label or VNI value).
- B. The IP prefix of a subnet in the layer-3 domain that the VPLS belongs to.
- C. The MAC address of an attached host.
- D. The VPLS's route-distinguisher and route-target values.
Answer: B
NEW QUESTION # 29
Which of the following statements about VXLAN encapsulation is TRUE?
- A. It uses a VXLAN Network ID (VNI) to identify the transport tunnel and an MPLS label to identify the service tunnel.
- B. It uses VXLAN Network ID (VNI) to identify the transport tunnel and an additional IP header to identify the service tunnel.
- C. It uses an additional IP header to identify the transport tunnel and a VXLAN Network ID (VNI) to identify the service tunnel.
- D. It uses an MPLS label to identify the transport tunnel and a VXLAN Network ID (VNI) to identify the service tunnel.
Answer: B
NEW QUESTION # 30
Which of the following statements about route reflector clusters is FALSE?
- A. Within an AS, route reflectors belonging to different clusters do not need to be fully-meshed among themselves.
- B. Multiple clusters may be configured within an AS.
- C. When a route reflector reflects a route, it adds its cluster ID to the Cluster_list attribute.
- D. A router can be the client of multiple route reflectors within its AS.
Answer: C
NEW QUESTION # 31
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 # 32
Which of the following statements about Route Distinguishers (RD) is FALSE?
- A. A unique RD value is assigned to each VPRN service.
- B. An RD is prepended to an IPv4 prefix to form a VPN-IPv4 prefix.
- C. An RD is used to indicate the VPRN service to which a route update is relevant.
- D. An RD is a 64-bit value.
Answer: D
NEW QUESTION # 33
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 C
- B. Option A
- C. Option B
- D. Option D
Answer: A
NEW QUESTION # 34
Which of the following route reflection rules is NOT followed by a route reflector?
- A. If the best route is received from a client, do not propagate to eBGP peers.
- B. If the best route is received from a client, propagate to all iBGP peers.
- C. If the best route is received from an eBGP peer, propagate to all iBGP peers.
- D. If the best route is received from an eBGP peer, propagate to all eBGP peers.
Answer: A
NEW QUESTION # 35
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