Ultimate Guide to Prepare Free Nokia 4A0-106 Exam Questions & Answer [Q116-Q135]

Ultimate Guide to Prepare Free Nokia 4A0-106 Exam Questions & Answer

Pass Nokia 4A0-106 Tests Engine pdf - All Free Dumps

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:

• Describe the career supporting career (CSC) VPN model
• Identify the cause of BGP loops in a VPRN environment
• Describe the operation of the basic VPRN architecture
• Know how to configure, verify and troubleshoot VPRN

 

NEW QUESTION 116
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

 

NEW QUESTION 117
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

Explanation:
Section: Volume A

 

NEW QUESTION 118
Which of the following statements are true regarding P devices in an MPLS VPRN? (Choose two.)

• A. Participate in service provider core routing
• B. Must be aware of the VPRNs
• C. P devices are not required to be MPLS enabled. MPLS is only required on the PE devices
• D. Must support MP-BGP
• E. Do not have any connections to the CE
• F. Run a common routing protocol with the CE router

Answer: A,E

 

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

 

NEW QUESTION 120
Click the exhibit.

For the inter-AS model C VPRN, which of the following is FALSE when an IP packet is sent from 192.1.1.1 to 192.2.1.1?

• A. ASBR2 forwards the IP packet with two labels to PE2.
• B. PE1 pushes two labels on the IP packet and forwards it to ASBR1.
• C. ASBR1 pops the LDP label, swaps the BGP label and forwards the IP packet to ASBR2.
• D. PE2 pops the labels and forwards the unlabeled IP packet to its destination.

Answer: B

 

NEW QUESTION 121
Click the exhibit.

For the PE hub and spoke VPRN, which communities should be imported under the VPRN service on PE2?

• A. "Spoke.Sites" and "Hub_Site"
• B. "Spoke_Sites"
• C. No communities should be imported
• D. "Hub_Site"

Answer: D

 

NEW QUESTION 122
Which command will display the Route Target associated to a specific prefix on an Nokia 7750 SR?

• A. Show router <service-id> route-table
• B. Show router bgp routes
• C. Show router bgp routes <prefix> detail
• D. Either (b) or (d)
• E. Show router route-table

Answer: C

 

NEW QUESTION 123
If Route Reflector 1 (RR1) is used for Internet routes, and Route Reflector 2 (RR2) is used for VPN routes, which of the following is TRUE?

• A. BGP sessions established between RR2 and the PEs support the IPv4 address family only.
• B. BGP sessions established between RR1 and the PEs support IPv4 and VPN-IPv4 address families.
• C. BGP sessions established between RR1 and the PEs support the IPv4 address family only.
• D. BGP sessions established between RR2 and the PEs support IPv4 and VPN-IPv4 address families.

Answer: C

Explanation:
Section: Volume B

 

NEW QUESTION 124
In a VPRN that uses MPLS transport tunnels, which of the following is NOT configured on the PE device?

• A. A routing protocol for exchanging customer routes with the CE.
• B. MPLS for exchanging labels with other provider core devices.
• C. A label signaling protocol for defining transport tunnels between the PE and CE.
• D. MP-BGP for exchanging customer routes with other PEs.

Answer: C

 

NEW QUESTION 125
Which of the following VPRN label allocation methods are supported by the Alcatel-Lucent 7750 SR?

• A. All of the above
• B. A and C
• C. One label per VRF per route
• D. One label per VRF
• E. B and C
• F. One label per VRF per next-hop

Answer: E

 

NEW QUESTION 126
A service provider core consists of 6 PE and 4 P routers. Assuming route reflection is not used, how many internal BGP sessions are required in the service provider network for a correct operation of VPRN services?

• A. 0
• B. 1
• C. 2
• D. 3
• E. 4

Answer: A

Explanation:
Section: Volume B

 

NEW QUESTION 127
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 128
In a VPRN, how does the service provider ensure that customer addresses are unique when multiple customers use the same address space?

• A. The Route Target ensures that addresses are unique between customers
• B. The Route Distinguisher ensures that addresses are unique between customers.
• C. The provider will advise the customers to change their addresses
• D. It is the customer responsibility to ensure their address space is unique
• E. The provider will use NAT to ensure that addresses are unique between customers

Answer: B

 

NEW QUESTION 129
Which of the following commands on an Alcatel-Lucent 7750 SR will verify connectivity for a VPRN service
<service-id> when issued from the PE?

• A. Ping <destination-ip> source <source-ip>
• B. oam <service-id> vprn-ping source <source-ip> destination <destination-ip>
• C. oam vprn-ping <service-id> source <source-ip> destination <destination-ip>
• D. vprn-ping router <service-id> <destination-ip>

Answer: C

 

NEW QUESTION 130
Click the exhibit.

All sites in the displayed network require Internet access. Route reflector 1(RR1) is used for Internet routes only and route reflector 2(RR2) is used for VPN routes only. Which of the following is FALSE?

• A. BGP sessions between RR1 and PE routers support only the IPv4 address family.
• B. BGP sessions between RR2 and PE routers support only the VPN-IPv4 address family.
• C. RR1 establishes BGP sessions only with PE1 and PE2.
• D. RR2 establishes BGP sessions with PE1, PE2 and PE3.

Answer: C

Explanation:
Section: Volume B

 

NEW QUESTION 131
In a VPRN the PE device is configured to run which of the following protocols? (Choose three.)

• A. Targeted LDP for exchanging VPRN labels with other PE devices
• B. A routing protocol for exchanging customer routes with the CE
• C. MPLS for exchanging labels with the CE devices
• D. A label signaling protocol for defining transport tunnels between PE and CE devices
• E. MPLS for exchanging labels with other provider core devices
• F. MP-BGP for exchanging customer routes with other PEs

Answer: B,E,F

Explanation:
Section: Volume A

 

NEW QUESTION 132
Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured on an Alcatel-Lucent 7750 SR for a customer carrier offering VPRN services. Which of the following configuration steps is NOT required?

• A. Configuring MP-iBGP between PE1 and PE2; setting the address family to IPv4; and enabling the advertisement of labels for IPv4 routes.
• B. Configuring eBGP between CSC-CE and CSC-PE routers; setting the address family to IPv4; and enabling the advertisement of labels for IPv4 routes.
• C. Creating an export policy on CSC-CE1 and CSC-CE2 to advertise local PE addresses to the network provider.
• D. Configuring iBGP between PE and CSC-CE within each customer carrier site; setting the address family to IPv4; and enabling the advertisement of labels for IPv4 routes.

Answer: A

 

NEW QUESTION 133
At what point does the Route Target become associated with a route?

• A. When the route is exported into the MP-BGP table from the VRF
• B. When the route is propagated from the PE to the CE
• C. When the route from the CE is populated into the VRF at the PE
• D. When the route is first received at the P from the PE
• E. When the route from the PE is populated into the VRF at the CE

Answer: A

Explanation:
Section: Volume A

 

NEW QUESTION 134
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 135
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4A0-106 Exam Reference

 

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