[Oct 29, 2021] Powerful 4A0-106 PDF Dumps for 4A0-106 Questions
Authentic 4A0-106 Dumps - Free PDF Questions to Pass
What is the duration of the 4A0-106 Exam
- Length of Examination: 90 minutes
- Format: Multiple choices, multiple answers
- Number of Questions: 60
Alcatel-Lucent Virtual Private Routed Networks 4A0-106 Exam
Alcatel-Lucent Virtual Private Routed Networks 4A0-106 Exam is related to Virtual Private Routed Networks and credits towards Nokia Service Routing Architect Certifications. This exam validates the ability to describe the operation of the basic VPRN architecture, career supporting career (CSC) VPN model and Identify the cause of BGP loops in a VPRN environment. It also tests the knowledge of Candidate to configure, verify and troubleshoot VPRN. Mobile Routing Professionals, Service Routing Architects and Network Routing Specialists usually hold or pursue this certification and you can expect the same job role after completion of this certification.
4A0-106 Exam topics
Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our 4A0-106 dumps will include the following topics:
- Know how to configure, verify and troubleshoot VPRN
- Describe the career supporting career (CSC) VPN model
- Describe the operation of the basic VPRN architecture
- Identify the cause of BGP loops in a VPRN environment
NEW QUESTION 60
What is the minimum number of Route Distinguishers required to implement an overlapping VPRN involving 5 different customers?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: D
Explanation:
Section: Volume A
Explanation
NEW QUESTION 61
In a VPRN, which of the following are supported as PE-CE routing methods on the Nokia 7750 SR? (Choose four).
- A. MP-BGP
- B. Static
- C. BGP
- D. OSPF
- E. RIP
- F. IS-IS
Answer: B,C,D,E
NEW QUESTION 62
Click the exhibit.
For the inter-AS model C VPRN, which router is configured as shown?
- A. ASBR1
- B. PE1
- C. RR1
- D. ASBR2
Answer: A
NEW QUESTION 63
Based on the VPRN BGP decision process, which of the following routes is selected first if the command
"PE1>config>service>vprn> bgp best-path-selection as-path-ignore" is executed?
- A. The route with the lowest originator ID or BGP Identifier.
- B. The route with the lowest Origin.
- C. The route learned from an eBGP peer.
- D. The route with the shortest AS path.
Answer: B
Explanation:
Section: Volume B
NEW QUESTION 64
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. Advertising the received system addresses of remote PEs using either iBGP or IGP/LDP within each customer carrier site.
- B. Configuring labeled iBGP sessions between PEs residing in different customer carrier sites.
- C. Configuring a policy on each CSC-CE to advertise local PE addresses to the network provider.
- D. Configuring labeled eBGP sessions between CSC-CE and CSC-PE routers.
Answer: B
NEW QUESTION 65
Which of the following about Carrier Supporting Carrier (CSC) VPRN is FALSE?
- A. A CSC VPRN is configured on the customer carrier's CSC-CE routers.
- B. The customer carrier provides VPN or Internet services to its end-customers.
- C. CSC is also known as carrier's carrier or carrier serving carrier.
- D. CSC eliminates the need for customer carriers to build and maintain their own MPLS backbone.
Answer: A
Explanation:
Section: Volume A
NEW QUESTION 66
Click the exhibit.
A Carrier Supporting Carrier (CSC) VPRN is configured on an Nokia 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 67
Click the exhibit.
A Carrier Supporting Carrier (CSC) VPRN is configured on an Nokia 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 68
Click the exhibit.
When configuring a VPRN service on an Nokia 7750 SR, where should the policy be applied?
- A. On the PE under the OSPF context
- B. On the PE under the BGP context
- C. On the CE under the BGP context
- D. This policy is not required.
- E. On the CE under the OSPF context
Answer: D
NEW QUESTION 69
Which method does the Alcatel-Lucent 7750 SR use for the allocation of VPRN labels?
- A. One label per route
- B. One label per VRF
- C. One label per next-hop
- D. One label per prefix
- E. One label per tunnel
Answer: B
Explanation:
Section: Volume A
Explanation/Reference:
NEW QUESTION 70
Click the exhibit.
Internet access is provided to the Red VPRN (ID 10) via an Internet VRF (ID 500). For this configuration, which communities must be imported on the Red and Internet VRFs?
- A. Red VRF imports only "Internet"
Internet VRF imports only "Red-Only" - B. Red VRF imports "Internet" and "Red-Only"
Internet VRF imports only "Red-Only" - C. Red VRF imports "Internet" and "Red-Only"
Internet VRF imports only "Internet" - D. Red VRF imports only "Red-Only"
Internet VRF imports "Red-Only" and "Internet"
Answer: B
NEW QUESTION 71
Click the exhibit.
An Nokia 7750 SR is to be configured as a core router that supports VPRNs using LDP as the transport protocol. Which of the following best describes this configuration?
- A. There is no configuration required for LDP in the core network.
- B. This configuration is correct, but the interfaces must also be configured in the "configure router mpls" context.
- C. This configuration is correct and complete.
- D. This configuration is correct but Targeted-LDP is also required.
Answer: C
NEW QUESTION 72
Which of the following about inter-AS model AVPRN is TRUE?
- A. Most routers that support VPRN functionality do not support model A by default.
- B. It is not necessary to run MPLS at the boundary between autonomous systems.
- C. It is the most scalable of the Inter-AS models.
- D. VRF configuration is not required on the ASBRs.
Answer: B
NEW QUESTION 73
Click the exhibit.
Assuming that the as-override command is used, what is the most likely location of prefix 10.1.2.0/24?
- A. There is a single Autonomous System between the local AS and the AS that originated the prefix.
- B. The prefix is located in an Autonomous System directly connected to this router.
- C. The prefix is located in Autonomous System 65100.
- D. There are two Autonomous Systems between the local AS and the AS that originated the prefix.
Answer: A
NEW QUESTION 74
When would it be appropriate to use the as-override command?
- A. When sites of the same VPRN customer use different BGP AS numbers
- B. When sites of the same VPRN customer use the same BGP AS number
- C. When sites of different VPRN customers use different BGP AS numbers
- D. When the customer site AS number is the same as the provider AS number
- E. When sites of different VPRN customers use the same BGP AS number
Answer: B
Explanation:
Section: Volume A
NEW QUESTION 75
Click the exhibit.
For the inter-AS model B VPRN, which of the following protocols is used to advertise routes between PE1 and ASBRI?
- A. MP-eBGP
- B. iBGP
- C. eBGP
- D. MP-iBGP
Answer: D
NEW QUESTION 76
Which of the following about inter-AS model B VPRN is FALSE?
- A. One single ASBR is required in each AS to hold the routes for all VPRNs.
- B. PE routers distribute VPN-IPv4 routes to their local ASBR.
- C. The ASBRs peer with each other to transport VPN-IPv4 routes between autonomous systems.
- D. Model B does not require the configuration of VPRN instances on ASBRs.
Answer: A
NEW QUESTION 77
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 78
Click the exhibit.
A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is an Internet Service Provider (ISP). If CE1 sends an IP packet to 192.60.100.1, which of the following is FALSE?
- A. CSC-PE1 pops the BGP label and pushes two labels: a VPN label and an MPLS transport label.
- B. CSC-CE2 pops the BGP label and pushes an LDP transport label.
- C. CSC-PE2 pops the MPLS transport label and pushes a BGP label.
- D. PE1 pushes an LDP transport label.
Answer: C
NEW QUESTION 79
Click the exhibit.
For the inter-AS model A VPRN, which of the following is FALSE when CE2 sends an IP packet to 192.168.1.1?
- A. CE2 forwards an unlabeled IP packet to PE2 via the VPRN interface.
- B. ASBR1 pushes two labels on the IP packet and label-switches the packet to PEL.
- C. ASBR2 pops one label from the IP packet and label-switches it to ASBR1.
- D. PE2 pushes two labels on the IP packet and label-switches the packet to ASBR2.
Answer: C
NEW QUESTION 80
A VPLS 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 Alcatel-Lucent 7750 SR to show the signaled operational VC-MTU?
- A. show service id <service-id> vc-mtu
- B. show service id <service-id> sdp detail
- C. show router ldp bindings
- D. show service id <service-id> base
Answer: C
Explanation:
Section: Volume B
NEW QUESTION 81
Which of the following best describes the goal of an Extranet VPRN?
- A. Allow the service provider to provide multiple VPRNs with Internet access
- B. Allow routes to be exchanged between all or selected sites of one VPRN and all or selected sites of a second VPRN
- C. Simplify the administration of multiple VPRNs
- D. Reduce the number of VPRN tunnels required
- E. Force all traffic in multiple VPRNs to pass through a single device
Answer: B
NEW QUESTION 82
Click the exhibit.
Community lists are configured for the PE hub and spoke VPRN. Which communities should be exported by the VPRN service on PE1?
- A. "Spoke.Sites" and "Hub_Site"
- B. "Spoke_Sites"
- C. No communities should be exported
- D. "Hub_Site"
Answer: D
NEW QUESTION 83
Which of the following statements best describes the output from an Nokia 7750 SR shown below?
- A. The As-Path is not present as VPN-IPv4 routes do not propagate the IPv4 As-Path BGP attribute
- B. The As-Path is not present as a policy was configured to set it to the null value
- C. The As-Path is not present as it was removed with the o-as-path configuration command
- D. The As-Path is not present as it was removed with the s-override configuration command
Answer: B
NEW QUESTION 84
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