4A0-103 Exam Questions

Which of the following describes how a router sets the destination IP address for an RSVP RESV message?

Which of the following about per-interface label space is TRUE?

Which of the following statements are true? Choose two answers

True or False? MPLS may use an existing data link layer header field to identify a label, instead of using a specific MPLS header

Click on the exhibit button. The policy on router R2 is applied as an LDP export policy. What FECs now appear in router R2's LIB?

Which of the following regarding MPLS Encapsulation is FALSE?

How have Traffic Engineering extensions to IS-IS been implemented?

Which of the following conditions must a router meet for an LSP path's RSVP session to exist? Choose two answers

Which of the following statements regarding admin groups is FALSE?

Which one of the following statements regarding the detour object transported in the detour path message is true?

Router R3 signals an LSP, reserving 1Gbps bandwidth on a 10Gbps link. RSVP configuration limits reservable bandwidth to 20 percent on the egress interface. Which of the following s...

Which of the following timers can be adjusted to reduce the time a router waits between attempts to re-establish an LSP after it has failed?

Which of the following about RSVP-TE on an Alcatel-Lucent 7750 SR is TRUE?

Click on the exhibit button below. LSP 1's link between routers R3 and R6 has failed, and the RESV state at router R3 has timed out. Which of the following actions will router R3 i...

Which mode does the following statement describe? An LSR will advertise a label mapping immediately, without waiting for a label mapping from the FEC's next-hop.

If the destination IP address of a received unlabeled packet is successfully matched in the FIB, which of the following statements are true? Choose two answers.

Which of the following is a primary cause of IP hyper-aggregation?

Which of the following describes what happens when facility backup fast reroute is enabled for a LSP? Choose three answers.

Which of the following are the default settings for the Alcatel-Lucent 7750 SR when using LDP?

What action does a router perform when it looks up the label of an incoming packet in its LFIB and sees that the LFIB maps to an egress label of 3?

Which of the following about the RSVP-TE Hello protocol is FALSE?

What is the goal of MPLS Traffic Engineering?

Which of the following devices receives labeled packets from the MPLS domain, removes the MPLS header, and forwards unlabeled packets outside the MPLS domain?

When a device receives a labeled packet, which of the following can occur?

The destination IP address of a received unlabeled packet is successfully matched in the FIB. Which of the following is FALSE?

What is the purpose of the MPLS TC field (EXP bits)?

Click on the exhibit. Under which condition might the peer entry with an LDP ID of 10.10.10.2:0 show the state "Nonexistent"?

Which of the following can be used for label signaling and distribution on the Alcatel-Lucent 7750 SR? Choose two answers

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

An Alcatel-Lucent 7750 SR label switches a packet it receives. The packet has an outer label TTL of 250 and an inner label TTL of 251. Which of the following is TRUE?

What MPLS function should be performed by a router that receives a data packet containing an MPLS label value of 3?

Which of the following about LSPs is FALSE?

Which of the following best describes downstream unsolicited label distribution?

Which of the following about RSVP refresh reduction on a Alcatel-Lucent 7750 SR is FALSE?

An LSP is configured with a fully loose path and CSPF is not enabled. An LSR receives the first PATH message for this LSP. Which of the following is NOT performed by the LSR?

Click on the exhibit. Which of the following CANNOT be used to ensure the LSP toR6" will follow the path R1- R2-R4- R6?

All links have 1Gbps unreserved bandwidth initially and all LSPs have the least-fill feature enabled. After the two LSPs have been signaled as shown, two new LSPs are configured. L...

An LSP is enabled with one-to-one fast reroute and node protection. What action does the PLR take if node protection cannot be provided?

Click on the exhibit. All links have 1 Gbps unreserved bandwidth initially. After the LSP's primary and standby secondary paths are signaled, how much bandwidth is reserved on the...

Click on the exhibit. An LSP traverses R1-R2-R4-R6 and facility fast reroute with link protection is enabled. All links have the same cost. Which of the following about PLRs and MP...

Which of the following is a function of the control plane in an MPLS router?

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

Click on the exhibit. An LSP path is established on router R1 toward router R6. After router R4 detects that the link between routers R4 and R6 goes down, which of the following wi...

Which of the following modes are used by RSVP-TE on an Alcatel-Lucent 7750 SR?

Click on the exhibit. An LDP-over-RSVP tunnel is established between routers R1 and R6. There is a VPN service running between routers R1 and R6. Which of the following is TRUE?

Click on the exhibit. An LSP traverses the path R1-R2-R3-R6 and facility fast reroute is enabled. If the protected LSP carries one transport label and one service label, how many l...

Click on the exhibit. The link between routers R4 and R6 is down before the LSP issignaled. CSPF is enabled on the LSP. Which of the following conditions is TRUE?

A router has two admin groups defined (GREEN=1 and RED=3). An interface is associated to both admin groups. What value will be shown in the Admin Group sub-TLV for this interface?

Which of the following is NOT an advantage of RSVP-TE compared to LDP?

Click on the exhibit. This policy is applied as an LDP export policy. In addition to the FECs learned from its neighbors, which FECs will appear in this router's LIB?