Nokia 4A0-106 Online Practice Questions and Exam Preparation

Nokia 4A0-106 Online Questions & Answers

• Question 1:

  Which command will display the Route Target associated to a specific prefix on an Alcatel-Lucent 7750 SR?

  

  A. Show router bgp routes
  B. Show router bgp routes detail
  C. Show router route-table
  D. Show router route-table
  E. Either (b) or (d)
  B. Show router bgp routes detail

• Question 2:

  For the data packets in a VPRN, how is the inner label in an MPLS packet signaled?

  A. Signaled via MP-BGP and used to identify the egress PE.
  B. Signaled via T-LDP and used to identify the customer VPRN.
  C. Signaled via MP-BGP and used to identify the customer VPRN.
  D. Signaled via RSVP and LDP and used to identify the egress PE.
  E. Signaled via RSVP and LDP and used to identify the customer VPRN.
  C. Signaled via MP-BGP and used to identify the customer VPRN.

• Question 3:

  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?

  A. Five routes: the local route, the two BGP routes learned from the local CE, and two tunneled routes.
  B. Six routes: the local route, the two BGP routes learned from the local CE, and three tunneled routes.
  C. Two routes: the local route and one tunneled route.
  D. Three routes: the local route and two tunneled routes.
  E. Two routes: the local route and one BGP route learned from the local CE.
  B. Six routes: the local route, the two BGP routes learned from the local CE, and three tunneled routes.

• Question 4:

  Community lists are configured for the PE hub and spoke VPRN.

  

  Which communities should be imported by the VPRN service on PE1?

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

• Question 5:

  Which of the following about the configuration of VPRN Outbound Route Filtering (ORB on an Alcatel-Lucent 7750 SR is TRUE?

  A. The ORF configuration must be done under the BGP neighbor context only.
  B. When sending is enabled, the ORF function takes the route target list configured in all outbound policies and pushes this list to the peer by default.
  C. When configuring ORF, the session with the peer must be cleared/reset for the new capability negotiation to take place.
  D. When Outbound Route Filtering is configured, both the sending and acceptance of ORF are enabled by default.
  C. When configuring ORF, the session with the peer must be cleared/reset for the new capability negotiation to take place.

• Question 6:

  A CE hub and spoke VPRN has two spoke sites; which of the following would be the best option to implement this topology at the hub site PE?

  A. One VPRN, one route distinguisher, and two route targets
  B. Two VPRNs, one route distinguisher, and three route targets
  C. Two VPRNs, two route distinguishers, and three route targets
  D. One VPRN, two route distinguishers, and three route targets
  A. One VPRN, one route distinguisher, and two route targets

• Question 7:

  Click the exhibit.

  

  For the inter-AS model B VPRN, which of the following is TRUE when CE2 sends an IP packet to 192.168.1.1?

  A. PE2 pushes one label on the IP packet and forwards it to ASBR2.
  B. ASBR2 sends the IP packet with one label to ASBR1.
  C. ASBR1 sends the IP packet with one label to PE1.
  D. PE1 pops one label off the IP packet and forwards it to CE1.
  B. ASBR2 sends the IP packet with one label to ASBR1.

• Question 8:

  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. PE1 pushes three labels on the IP packet: a VPN label, a BGP label, and an LDP transport label.
  B. ASBR1 pops the LDP and BGP labels and swaps the VPN label.
  C. ASBR2 pops the BGP label and pushes an LDP transport label.
  D. PE2 pops two labels and forwards the unlabeled packet to its destination.
  B. ASBR1 pops the LDP and BGP labels and swaps the VPN label.

• Question 9:

  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. Distributing the customer generated labels between sites
  B. Distributing the customer routing information between
  C. Forwarding the customer originated data packets to the appropriate destination
  D. Forwarding the provider originated data packets to the appropriate customer site
  E. Providing secure layer 3 routing exchange between sites
  B. Distributing the customer routing information between
  C. Forwarding the customer originated data packets to the appropriate destination
  E. Providing secure layer 3 routing exchange between sites

• Question 10:

  Complete the following statement. In a VPRN, the inner label is used to _______________.

  A. Identify the customer network on the egress PE
  B. Establish the LSPs between PE devices
  C. Identify the egress PE in the MPLS domain
  D. Identify the customer network on the ingress PE
  A. Identify the customer network on the egress PE