Nokia 4A0-106 Online Practice Questions and Exam Preparation

Nokia 4A0-106 Online Questions & Answers

• Question 131:

  For a Carrier Supporting Carrier (CSC) VPRN where the customer carrier is a BGP/MPLS VPN Service Provider (SP), which of the following is FALSE?

  A. The customer carrier network must be MPLS-enabled.
  B. If the customer carrier offers VPRN services, PE routers residing in different customer carrier sites must run iBGP between them.
  C. The customer carrier provides Layer 2 and Layer 3 services to its end-customers.
  D. A single CSC VPRN is configured on the network provider to support all services offered by the customer carrier.
  B. If the customer carrier offers VPRN services, PE routers residing in different customer carrier sites must run iBGP between them.

• Question 132:

  Which of the following about a full mesh VPRN is FALSE?

  A. Dual CEs connected to redundant PEs can provide redundancy within a single site.
  B. Site redundancy can be achieved by dual homing a single CE to one or more PEs.
  C. Provider core LSPs can be LDP-based or RSVP-based.
  D. The provider core maintains a full mesh of LSP tunnels and MP-BGP sessions between all P devices.
  D. The provider core maintains a full mesh of LSP tunnels and MP-BGP sessions between all P devices.

• Question 133:

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

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

• Question 134:

  Choose the best answer to describe the result of the configuration of an Alcatel-Lucent 7750 SR shown below?

  A. The PE will install a maximum of 40 prefixes into the customer vrf and generate a log message when 40 routes are received
  B. The PE will install a maximum of 40 prefixes into the customer vrf, and generate a log message both when 30 and 41 routes are received
  C. The PE will install a maximum of 40 prefixes into the customer vrf, generate a log message when 10 routes are received and disable learning of new routes at 41
  D. The PE will install a maximum of 40 prefixes into the customer vrf, generate a log message when 10 routes are received and drop the connection at 41
  E. The PE will install a maximum of 40 prefixes into the customer vrf, generate a log message when 4 routes are received and disable learning of new routes at 41
  E. The PE will install a maximum of 40 prefixes into the customer vrf, generate a log message when 4 routes are received and disable learning of new routes at 41

• Question 135:

  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. Configuring iBGP sessions between PEs residing in different customer carrier sites.
  B. Configuring a policy on each CSC-CE to advertise local PE addresses to the network provider.
  C. Configuring a CSC VPRN on each CSC-PE with a SAP interface towards the attached CSC-CE.
  D. Configuring an IES service on PE1.
  C. Configuring a CSC VPRN on each CSC-PE with a SAP interface towards the attached CSC-CE.

• Question 136:

  Which of the following terms also correctly describes a Layer 3 VPN?(Choose three)

  A. VPRN
  B. BGP/MPLS VPN
  C. VLL
  D. VPLS
  E. IP-VPN
  F. ePipe
  A. VPRN
  B. BGP/MPLS VPN
  E. IP-VPN

• Question 137:

  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. The prefix is located in an Autonomous System directly connected to this router.
  B. There is a single Autonomous System between the local AS and the AS that originated the prefix.
  C. There are two Autonomous Systems between the local AS and the AS that originated the prefix.
  D. The prefix is located in Autonomous System 65100.
  B. There is a single Autonomous System between the local AS and the AS that originated the prefix.

• Question 138:

  Complete the following statement. In a VPRN, the label signaled by RSVP-TE is used to ______________.

  A. Identify the egress PE in the MPLS domain
  B. Signal the egress VPRN ID
  C. Identify the ingress PE in the MPLS domain
  D. Transport route updates between PEs
  A. Identify the egress PE in the MPLS domain

• Question 139:

  When VPRN Outbound Route Filtering (ORF) is enabled, each PE sends its ORF list to its peer using which of the following BGP message types?

  A. Open
  B. Update
  C. Route Refresh
  D. Notification
  C. Route Refresh

• Question 140:

  Click the exhibit.

  

  For the inter-AS model A VPRN. BGP is used as the PE-CE routing protocol. Which of the following statements about the control plane operation is TRUE?

  A. PE1 sends an IPv4 update for prefix 192.168.1.0/27 via MP-BGP to ASBR1.
  B. ASBR1 sends an IPv4 update for prefix 192.168.1.0/27 to ASBR2.
  C. ASBR1 transforms an IPv4 update for prefix 192.168.1.0/27 to a VPN-IPv4 route; allocates VPN label V1 and sends the update to ASBR2.
  D. ASBR2 accepts a VPN-IPv4 update from ASBR1, then sends the update to PE2 via MP-BGP.
  B. ASBR1 sends an IPv4 update for prefix 192.168.1.0/27 to ASBR2.