Nokia 4A0-114 Certification All-in-One Exam Guide Jul-2024
Get Real 4A0-114 Exam Dumps [Jul-2024] Practice Tests
Nokia 4A0-114 exam covers a range of topics related to BGP, including BGP routing policies, BGP attributes, BGP scaling techniques, BGP security, and BGP route reflectors and confederations. 4A0-114 exam is intended for professionals who work with Nokia Service Routers, Nokia Service Router Operating System (SR OS), and Nokia Network Services Platform (NSP).
NEW QUESTION # 13
The diagram shows EVPN services and their associated route-target (RT) values. For the distributed VPRN service in the diagram, what will be the route-target value included in the EVPN routes exchanged between routers PE1 and PE2 to populate the VPRN's route table?
- A. 65200:300
- B. 65200:100
- C. 65200:400
- D. 65200:200
Answer: D
NEW QUESTION # 14
Which of the following statements about the MED BGP path attribute is FALSE?
- A. The MED BGP path attribute is optional.
- 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. Routes having lower values in their MED BGP path attribute are preferred.
Answer: B
NEW QUESTION # 15
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 # 16
Which of the following statements about VXLAN encapsulation is TRUE?
- A. It uses VXLAN Network ID (VNI) to identify the transport tunnel and an additional IP header to identify the service tunnel.
- B. It uses a VXLAN Network ID (VNI) to identify the transport tunnel and an MPLS label 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: A
NEW QUESTION # 17
What does an EVPN VPLS do that a traditional VPLS does not do?
- A. It maintains a forwarding database.
- B. It uses control-plane MAC learning.
- C. It provides a multipoint connectivity service.
- D. It acts as a switch, carrying full layer-2 frames between customer sites.
Answer: B
NEW QUESTION # 18
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 advertised using LDP.
- C. The service label is prepended to the customer IPv4 prefixes.
- D. The service label is carried in an MP-BGP VPN-IPv4 route update.
Answer: D
NEW QUESTION # 19
On the Nokia 7750 SR, which of the following is NOT an address family that BGP supports?
- A. Label-IPv4
- B. MP-EVPN
- C. IPv4
- D. VPN-IPv4
Answer: A
NEW QUESTION # 20
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. The types of BGP sessions with routers R2 and R3 cannot be determined.
- C. Router R1forms eBGP sessions with routers R2 and R3.
- D. Router R1forms iBGP sessions with routers R2 and R3.
Answer: B
NEW QUESTION # 21
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 IP prefix of a subnet in the layer-3 domain that the VPLS belongs to.
- B. The VPLS's service tunnel ID (MPLS label or VNI value).
- C. The VPLS's route-distinguisher and route-target values.
- D. The MAC address of an attached host.
Answer: A
NEW QUESTION # 22
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 C
- B. Option A
- C. Option D
- D. Option B
Answer: B
NEW QUESTION # 23
What type of information does a type-2 EVPN route update carry?
- A. It carries a host MAC address and optionally the associated IP address that belongs to the same host.
- B. It carries an IP prefix and its associated mask.
- C. It carries an IP address and requests the MAC address of the corresponding host.
- D. It carries a host MAC address and optionally the IP prefix of the subnet where the host is located.
Answer: A
NEW QUESTION # 24
Which of the following statements about router reflectors is FALSE?
- A. A router reflector disables the iBGP split-horizon rule for its clients.
- B. Route reflectors are used to reduce the number of iBGP sessions required in an AS.
- C. A route reflector can have both iBGP and eBGP clients.
- D. A full iBGP mesh is required among route reflectors.
Answer: D
NEW QUESTION # 25
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. 200 140000 137000
- C. 140000 137000
- D. 23456 23456
Answer: D
NEW QUESTION # 26
What kind of BGP path attribute is AS_PATH?
- A. Optional transitive
- B. Well-known discretionary
- C. Optional non-transitive
- D. Well-known mandatory
Answer: D
NEW QUESTION # 27
What is the result of configuring the following policy statement as a BGP import policy on the Nokia 7750 SR?
- A. BGP routes matching prefix lists "List-1" or "List-2" are rejected.
- B. BGP routes matching prefix lists "List-1" and "List-2" are rejected.
- C. All routes matching prefix lists "List-1" and "List-2" are rejected.
- D. All BGP routes are accepted.
Answer: A
NEW QUESTION # 28
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 # 29
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 flags both updates as invalid.
- B. Router RA prefers the update received from router RR2.
- C. Router RA prefers the update received from router RR1.
- D. Router RA accepts both updates and flags them as used.
Answer: A
NEW QUESTION # 30
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