[Dec 10, 2021] Fully Updated 4A0-106 Dumps - 100% Same Q&A In Your Real Exam
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NEW QUESTION 119
Click the exhibit.
If the displayed command is executed, what is the correct value of AS-Path in the BGP route 172.12.0.0/16 advertised by PE2?
- A. 0
- B. 64492 64493 64491
- C. 64491 {64492 64493}
- D. {64492 64493)64491
Answer: C
Explanation:
Section: Volume B
NEW QUESTION 120
Where are VPN-IPv4 addresses used in a VPRN?
- A. In the routing updates exchanged from PE to PE
- B. In the routing updates exchanged from CE to PE
- C. In customer packets as they traverse the provider core
- D. In the routing updates exchanged from P to PE
- E. In all route tables of the VPRN control plane
Answer: A
NEW QUESTION 121
Click the exhibit.
For the inter-AS model B VPRN, which of the following is the correct BGP configuration on ASBR1?
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Answer: C
NEW QUESTION 122
Which of the following about inter-AS model C VPRNs is FALSE?
- A. Within each AS, MP-iBGP sessions are established to exchange VPN-IPv4 prefixes between the PE routers.
- B. PE routers in different ASs exchange VPRN routing information directly over MP-eBGP.
- C. ASBRs exchange the system addresses of PE routers as VPN-IPv4 routes over MP-eBGP.
- D. Within each AS, the ASBR advertises the system addresses of remote PE routers as labeled IPv4 routes.
Answer: C
NEW QUESTION 123
When a Service Provider offers VPRN services to its customers, which of the following functions are expected to be the responsibility of the Service Provider? (Choose three)
- A. Forwarding the customer originated data packets to the appropriate destination
- B. Forwarding the provider originated data packets to the appropriate customer site
- C. Distributing the customer generated labels between sites
- D. Distributing the customer routing information between
- E. Providing secure layer 3 routing exchange between sites
Answer: A,D,E
Explanation:
Section: Volume A
NEW QUESTION 124
Click the exhibit.
A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is a BGP/MPLS service provider. Which of the following describes the routes present in PE1's global routing table?
- A. The system address of PE2 is present. The system addresses of CSC-PE1 and CSC-PE2 are not present.
- B. The system address of CSC-CE1, the route 192.168.10.1, and the route 192.168.20.1 are all present.
- C. The system address of PE2 and the route 192.168.20.1 are present.
- D. The system addresses of PE2, CSC-PE1 and CSC-PE2 are all present.
Answer: A
NEW QUESTION 125
Click the exhibit.
What is wrong with the VPRN configuration applied on this Alcatel-Lucent 7750 SR?
- A. The VPRN ID must match the value used in the vrf-target command.
- B. The VPRN ID must match the value used in the route-distinguisher command.
- C. The "no shutdown" command must be configured for the VPRN to be operationally UP.
- D. The router-id command should not be used in this context.
Answer: C
Explanation:
Section: Volume B
NEW QUESTION 126
Click the exhibit.
The CLI command "remove-private" is configured on PE1 to eliminate BGP loops in the VPRN. For the displayed route, what is the value of the AS-Path field?
- A. 64496 64512
- B. 64512 64496
- C. 0
- D. 1
Answer: D
NEW QUESTION 127
Click the exhibit.
AS-override is configured on PE1 to eliminate the BGP loops. What is the expected AS-Path in the VPN-IPv4 route 64496:10:192.168.2.0/27 received by PE1?
- A. 64497 64497
- B. 0
- C. 64496 64497
- D. 1
Answer: B
NEW QUESTION 128
Click the exhibit.
The AS-path nullification method is used to prevent CE2 from discarding routes received from CE1. On which router should the AS-path nullification policy be configured?
- A. PE2
- B. CE2
- C. CE1
- D. PE1
Answer: D
NEW QUESTION 129
Click the exhibit.
AS-override is configured on PE1 to eliminate the BGP loops. What is the expected AS-Path in the VPN- IPv4 route 64496:10:192.168.2.0/27 received by PE1?
- A. 64497 64497
- B. 0
- C. 64496 64497
- D. 1
Answer: B
NEW QUESTION 130
For a Carrier Supporting Carrier (CSC) VPRN where the customer carrier is a BGP/MPLS VPN Service Provider (SP), which of the following is FALSE?
- A. The customer carrier network can be a pure IP network.
- B. In the case where the customer carrier offers VPRN services, the model is referred to as hierarchical VPRN.
- C. The customer carrier provides Layer 2 and Layer 3 services to its end-customers.
- D. A single CSC VPRN is configured on the network provider to support all services offered by the customer carrier.
Answer: A
Explanation:
Section: Volume A
NEW QUESTION 131
What command is required to configure the PE devices for a VPRN service on an Nokia 7750 SR?
- A. Address-family vprn-ipv4
- B. Family vprn
- C. Address-family vpn-ipv4
- D. Address-family vprn
- E. Family vprn-ipv4
- F. Family vpn-ipv4
Answer: F
NEW QUESTION 132
Which of the following commands may be used on an Alcatel-Lucent 7750 SR to display a network exported locally to BGP on the originating router? (Choose two)
- A. Show router bgp routes
- B. Show router bgp routes <prefix> self-originated
- C. Show router bgp routes <prefix> hunt
- D. Show router bgp routes prefix <prefix>
- E. Show router bgp neighbor <neighbor ip> advertised-routes
Answer: C,E
Explanation:
Section: Volume A
Explanation
NEW QUESTION 133
Which of the following statements best describes the output from an Nokia 7750 SR shown below?
- A. The BGP session from PE to CE is operational
- B. The BGP session between PE and CE is not operational
- C. The BGP session between PEs is operational
- D. The BGP session between PEs is not operational
- E. The BGP session from PE to P is not operational
Answer: A
NEW QUESTION 134
Click the exhibit.
For the Inter-AS model B VPRN, which of the route updates for prefix 192.168.1.0/27 is incorrect?
- A. The route update sent from ASBR1.
- B. The route update sent from ASBR2.
- C. The route update sent from PE1.
- D. The route update sent from PE2.
Answer: D
NEW QUESTION 135
AVPLS spoke SDP is terminated on a VPRN service. The remote side of the spoke SDP is operationally * Down' with a flag of ' Service MTU Mismatch'. Which command can you use on an Nokia 7750 SR to show the signaled operational VC-MTU?
- A. show router Idp bindings
- B. show service id <service-id> vc-mtu
- C. show service id <service-id> sdp detail
- D. show service id <service-id> base
Answer: A
NEW QUESTION 136
Which of the following about a full mesh VPRN is FALSE?
- A. Dual CEs connected to redundant PEs can provide redundancy within a single site.
- B. Provider core LSPs can be LDP-based or RSVP-based.
- C. The provider core maintains a full mesh of LSP tunnels and MP-BGP sessions between all P devices.
- D. Site redundancy can be achieved by dual homing a single CE to one or more PEs.
Answer: C
NEW QUESTION 137
When configuring BGP as the PE-CE protocol on an Alcatel-Lucent 7750 SR, the configuration on the CE is done under the ____________ context and the PE configuration is under the ____________ context.
- A. Service, router
- B. Service, service
- C. Router, global
- D. Router, router
- E. Router, service
- F. Global, router
Answer: E
Explanation:
Section: Volume A
Explanation
NEW QUESTION 138
Click the exhibit.
A Carrier Supporting Carrier (CSC) VPRN is configured on an Alcatel-Lucent 7750 SR for a customer carrier who is an Internet Service Provider (ISP). Which of the following configuration steps is NOT required?
- A. Configuring an IES service on PEL
- B. Configuring a policy on each CSC-CE to advertise local PE addresses to the network provider.
- C. Configuring iBGP sessions between PEs residing in different customer carrier sites.
- D. Configuring a CSC VPRN on each CSC-PE with a SAP interface towards the attached CSC-CE.
Answer: D
NEW QUESTION 139
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