Nokia 4A0-103 Online Practice Questions and Exam Preparation

Nokia 4A0-103 Online Questions & Answers

• Question 221:

  Which of the following about IS-IS Traffic Engineering on an Alcatel-Lucent 7750 SR is FALSE?

  A. Traffic engineering information is carried in the extended TLVs.
  B. Traffic engineering must be enabled on all IP/MPLS routers along the LSP path.
  C. Traffic engineering information is stored in the opaque database,
  D. Traffic engineering is required for constraint-based LSPs.
  C. Traffic engineering information is stored in the opaque database,

• Question 222:

  You wish to advertise LDP labels for all local networks; which is the most effective policy statement to use?

  A. from prefix-list direct
  B. match local
  C. from protocol direct
  D. match protocol direct
  E. from protocol local
  C. from protocol direct

• Question 223:

  Which of the following about LDP-over-RSVP is TRUE?

  A. RSVP LSPs must exist between each PE-ABR pair, or ABR-ABR pair in each area.
  B. When LDP-over-RSVP is active, the LDP prefixes are resolved to a physical egress interface.
  C. Targeted sessions must exist between all routers along the tunnel path.
  D. Link LDP sessions must exist between each ABR-ABR pair in each area.
  A. RSVP LSPs must exist between each PE-ABR pair, or ABR-ABR pair in each area.

• Question 224:

  Which of the following LDP messages are used in the successful establishment of LDP sessions? Choose three answers

  A. Label request message
  B. Notification message
  C. Address message
  D. Keepalive message
  E. Initialization message
  F. Hello message
  D. Keepalive message
  E. Initialization message
  F. Hello message

• Question 225:

  How does a DMP inform the downstream routers that it has merged detour tunnels?

  A. The DMP sends the DMP_Object in each detour's PATH messages.
  B. The DMP summarizes PATH messages, giving each detour its own MSGJD.
  C. The DMP identifies itself as the previous hop in each detour's PATH message.
  D. The DMP sends a single PATH message containing the merged DETOUR_Objects.
  D. The DMP sends a single PATH message containing the merged DETOUR_Objects.

• Question 226:

  How does MPLS-TE overcome the issue of IP hyper-aggregation?

  A. By enabling the creation of LSPs across alternate links to balance the network traffic.
  B. By eliminating the requirement for core IP routing.
  C. By not allowing more than one LSP to use a particular path.
  D. By defining multiple LSPs across a network and implementing an IGP load balancing algorithm across them.
  A. By enabling the creation of LSPs across alternate links to balance the network traffic.

• Question 227:

  Click on the exhibit.

  

  The LSP "toR6" is configured with a fully strict path on an Alcatel-Lucent 7750 SR. Which of the following configurations is required to enable fast reroute for this LSP?

  A. Enable fast-reroute on all routers along the path. R1, R2, R4, and R6.
  B. Enable both link-protection and node-protection on router R1.
  C. Enable fast-reroute with either one-to-one or facility mode on this LSP.
  D. Enable link-protection only on router R4.
  C. Enable fast-reroute with either one-to-one or facility mode on this LSP.

• Question 228:

  Click on the exhibit.

  

  All links are operationally up initially. When the link between routers R4 and R6 goes down, what will router R1 do?

  A. Router R1 will switch traffic to the secondary path immediately.
  B. Router R1 will discard traffic until a new IGP route to router R6 is re-calculated.
  C. Router R1 will discard traffic because the secondary path is not a fully strict path.
  D. Router R1 will signal the secondary path and switch traffic to it.
  D. Router R1 will signal the secondary path and switch traffic to it.

• Question 229:

  Which of the following about MPLS shortcuts for IGP on an Alcatel-Lucent 7750 SR is FALSE?

  A. An IGP route takes priority over a transport tunnel.
  B. Both LDP and RSVP-TE based tunnels can be used.
  C. MPLS tunnels can be used to resolve the prefixes learned via IGP.
  D. Multiple MPLS tunnels can be installed in the FIB.
  A. An IGP route takes priority over a transport tunnel.

• Question 230:

  Click on the exhibit.

  

  This policy is applied on a router as an LDP export policy and an LDP session has been established between this router and its neighboring router. In addition to the FECs learned from its neighbors, what additional FECs will appear in this router's LIB?

  A. All FECs that are in the 192.168.1.0/24 address space.
  B. Local FECs that are in the 192.168.1.0/24 address space.
  C. All FECs that are not in the 192.168.1.0/24 address space.
  D. All FECs except the local FECs that are in the 192.168.1.0/24 address space.
  B. Local FECs that are in the 192.168.1.0/24 address space.