Question 1
Which of the following about an Nokia 7750 SR MP-BGP update is FALSE? Assume default behavior.
Correct Answer:
D. On a specific PE, the MP-BGP updates for prefixes from a single VPRN carry different labels.
Free Nokia Virtual Private Routed Networks 4A0-106 Exam Questions
Question 2
In a Carrier Supporting Carrier (CSC) VPRN, which of the following is a benefit to the network provider?
Correct Answer:
C. The solution scales as the number of VPNs offered by the customer carriers increases.
Question 3
Click the exhibit.
When configuring a VPRN service on an Nokia 7750 SR, where should the policy be applied?
Correct Answer:
E. This policy is not required.
Question 4
What are the main functions of a Layer 3 VPN? (Choose three).
Correct Answer:
A. Distributing customer routing information between sites; B. Forwarding customer data packets; D. Maintaining separation between distinct customer networks
Question 5
Click the exhibit.
What is wrong with the VPRN configuration applied on this Nokia 7750 SR?
Correct Answer:
D. The 'no shutdown' command must be configured for the VPRN to be operationally UP.
Question 6
What are the two primary problems the service provider must consider when providing traditional Layer 3 VPN services using only a single common routing table in the provider core? (Choose two)
Correct Answer:
B. Route leaking between the customer networks; D. Unwanted packet forwarding between customer networks
Question 7
Click the exhibit.
For the Inter-AS model B VPRN, which of the following about the inter-as-label output on ASBR1 is TRUE?
Correct Answer:
B. ASBR1 includes label 131068 in the route update sent to ASBR2.
Question 8
It is required to prepare the provider core for LDP on an Nokia 7750 SR. Based on the configuration shown below, choose the answer that best describes the given configuration.
Correct Answer:
D. MPLS configuration is not required
Question 9
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?
Correct Answer:
B. The route with the lowest Origin.
Question 10
Click the exhibit.
For the inter-AS model C VPRN, how many labels does PE1 push on a data packet received from CE1 and destined to CE2?
Correct Answer:
C. 3
Question 11
Which of the following about inter-AS model B VPRN is FALSE?
Correct Answer:
D. One single ASBR is required in each AS to hold the routes for all VPRNs.
Question 12
For the Inter-AS model VPRN, which of the following statements about the inter-as-label output on ASBR1 is TRUE?
Correct Answer:
C. ASBR1 includes label 131068 in the route update sent to PE1.
Question 13
Click the exhibit.
For the Carrier Supporting Carrier (CSC) VPRN, which routes are advertised from CSC-CE1 toPE1?
Correct Answer:
A. IGP/LDP or labeled BGP routes for all PE system addresses in AS 5000 Site B
Question 14
Click the exhibit.
Assuming that the as-override command is used, what is the most likely location of prefix 10.1.2.0/24?
Correct Answer:
B. There is a single Autonomous System between the local AS and the AS that originated the prefix.
Question 15
On a PE router, the VRF table for VPRN 10 contains: one local route, two BGP routes learned from a local CE. and three tunneled routes learned from a remote site. If we execute the command "configure service vprn 10 maximum-routes 2 log-only" on this PE router, how many routes are expected to be in the VRF?
Correct Answer:
B. Six routes: the local route, the two BGP routes learned from the local CE, and three tunneled routes.