Nokia 4A0-106 Online Practice Questions and Exam Preparation

Nokia 4A0-106 Online Questions & Answers

• Question 11:

  Which of the following is not a valid BGP design for a network provider supporting VPRNs?

  A. Full mesh of MP-BGP between all P devices
  B. Full mesh of MP-BGP between PE devices
  C. Route reflector configuration between PE devices
  D. Confederation configuration between PE devices
  A. Full mesh of MP-BGP between all P devices

• Question 12:

  Click the exhibit.

  

  Which of the following commands produces the output for the inter-AS model B VPRN?

  A. ASBR1# show router 10 bgp routes vpn-ipv4
  B. ASBR1# show router bgp routes
  C. ASBR1# show router bgp routes vpn-ipv4
  D. ASBR1# show router route-table
  C. ASBR1# show router bgp routes vpn-ipv4

• Question 13:

  What is wrong with the configuration shown below?

  A. The VPRN ID must be the same value as is used in the vrf-target command
  B. The VPRN ID must be the same value as is used in the route-distinguisher command
  C. The router-id command should not be used in this context
  D. The vrf-target command is mandatory
  E. There is nothing wrong with this configuration
  E. There is nothing wrong with this configuration

• Question 14:

  Which of the following about BGP Site of Origin (SoO) is FALSE?

  A. The SoO attribute can be used to uniquely identify the site from which a PE learns routes.
  B. Before a PE redistributes a VPN-IPv4 route, it can assign an SoO attribute to the route.
  C. The SoO attribute can be used to prevent loops from a single site with multiple CE-PE connections.
  D. The SoO attribute can be used as matching criteria when redistributing routes from the CE to the PE.
  D. The SoO attribute can be used as matching criteria when redistributing routes from the CE to the PE.

• Question 15:

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

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

• Question 16:

  Click the exhibit.

  

  Which VPRN type produces the output shown on router R1?

  A. A full mesh VPRN
  B. A PE hub and spoke VPRN
  C. An extranet VPRN
  D. A CE hub and spoke VPRN
  C. An extranet VPRN

• Question 17:

  Which single command will verify the state of auto-bind, the configured Route Distinguisher and Route Target, in addition to the SAP and SDP bindings for a particular service on an Alcatel-Lucent 7750 SR?

  A. Show service all
  B. Show service id detail
  C. Show service id base
  D. Show service id bindings
  E. Show service sap-using
  C. Show service id base

• Question 18:

  Which of the following about inter-AS model B VPRN is FALSE?

  A. Model B does not require the configuration of VPRN instances on ASBRs.
  B. The ASBRs peer with each other to transport VPN-IPv4 routes between autonomous systems.
  C. PE routers distribute VPN-IPv4 routes to their local ASBR.
  D. One single ASBR is required in each AS to hold the routes for all VPRNs.
  D. One single ASBR is required in each AS to hold the routes for all VPRNs.

• Question 19:

  What is the purpose of the Route Distinguisher?

  A. It defines the VPN membership
  B. It defines which routes are imported into the vrf
  C. It defines which routes are exported from the vrf
  D. It is used to make IPv4 addresses unique
  E. It is used as the VPN label
  D. It is used to make IPv4 addresses unique

• Question 20:

  Which of the following is NOT a requirement for eiBGP load balancing to be effective?

  A. The route distinguisher of the VPRN on the local PE must be different from the route distinguisher of the remote PEs.
  B. ecmp must be configured within the VPRN instance.
  C. eibgp-loadbalance must be configured within the VPRN instance.
  D. ibgp-multipath must be configured within the VPRN instance.
  A. The route distinguisher of the VPRN on the local PE must be different from the route distinguisher of the remote PEs.