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2021 Jan 4A0-104 actual exam
Q31. An operator wishes to verify end-to-end connectivity for an individual service. What utility will he or she most likely use?
A. sdp-ping
B. Isp-ping
C. svc-ping
D. sdp-mtu
Answer: C
Q32. Which of the following statements is TRUE regarding a VRF?
A. A VRF contains a single VPRN routes.
B. Every VRF in a PE is associated with one or more route target attributes.
C. Each VPRN needs a separate VRF in each PE router.
D. On the 7750 SR, by default, there is a unique one-to-one association between a VPN label and a VRF
E. All of the above statements are true.
F. All of the above statements are false.
Answer: E
Q33. Which routing protocol cannot be run over an Ipipe?
A. OSPF
B. RIP
C. BGP
D. IS-IS
Answer: D
Q34. In a Layer 2 encapsulation, using Martini, what does the first (top) label represent?
A. Tunnel Label
B. VC Label
C. Operational Control Word
D. UNI
E. NNI
Answer: A
Q35. By default, what does a PE do to support VPLS services for different customers? (Choose 2)
A. MAC learning.
B. Maintain a different Forwarding Data Base for each service
C. ARP mediation.
D. Maintain a different Routing Information Base for each service.
Answer: A,B
Up to the immediate present 4A0-104 test engine:
Q36. Which of the following statements is TRUE?
A. An OSPF adjacency can be established on anIES interface.
B. IES allows provider MP-BGP sessions to be extended to customers.
C. An IES service must use static routes in order to communicate with customer networks.
D. An IES interface supports OSPF and IS-IS in passive mode only.
Answer: A
Q37. Which of the following tasks must be carried out before deleting an Epipe service? (Choose 4)
A. Shut down all SAPs associated with the service.
B. Shut down all SDPs associated with the service.
C. Delete all SAPs and SDPs associated with the service.
D. Shut down all physical ports that are bound to a SAP.
E. Delete the Customer ID.F. Shut down the service.
Answer: A,B,C,F
Q38. Which of the following steps is mandatory when enabling an MP-BGP session between PE routers in a VPRN?
A. Configure an autonomous system number in the global context.
B. Configure a BGP group and peer parameters.
C. Configure a VPN-IPv4 address family.
D. All of the above steps are mandatory.
E. None of the above steps are mandatory.
Answer: D
Q39. Customer 'A' has sites on 3 different Alcatel-Lucent PE routers. The routers are connected to each other through an IP/MPLS network in a full mesh fashion. Customer 'A' requires a VPLS service. Which of the following statements are TRUE? (Choose2)
A. Each router requires 1 VPLS service.
B. Each router requires 2 VPLS services.
C. Each router requires 1 SDP with 2 LSPs,one to each of the other 2 routers.
D. Each router requires 2 SDPs.
E. Each router requires 3 SDPs
Answer: A,D
Q40. Which of the following commands is used to enable an Epipe service?
A. config>service# epipe service-id enable
B. config>service#vpws service-id enable
C. config>service# service-id no shutdown
D. config>port# port-id no shutdown
E. config>service# epipe service-id no shutdown
Answer: E