4A0-103 Exam Questions

Click on the exhibit button below. With fast reroute enabled, and given the following: - Two protected LSPs with the path R1-R2-R3 - Both LSPs enable facility bypass and link prote...

Which approach to LSP path diversity provides the most control, but the least flexibility?

In MPLS, at which device are packets assigned to a FEC?

Which of the following commands is used to display the database containing the OSPF-TE LSAs?

Assume that, on the Alcatel-Lucent 7750 SR, an LSP is configured with one-to-one FRR and node protection. Which of the following statements are FALSE? (Choose two)

Click on the exhibit button below: Consider the following: - Router R2 is an ABR in OSPF Areas 0 and 1. - Router R2 advertises the aggregate prefix 10.10.10.0/24 into Area 1. - Rou...

What is the significance of receiving a packet with the bottom MPLS label S bit set to 1?

Which of the following statements regarding the last two octets of the LDP identifier is true?

How many bits of the MPLS header are used for the label field?

Which of the following best describes constraint-based routing?

Click on the exhibit button below. Given the configuration below, which of the following scenarios is FALSE?

What is the common usage of the MPLS EXP bits?

An LSP path is configured as follows: - Shared-explicit reservation style - Make-before-break (MBB) enabled - 500Mpbs bandwidth reserved on a 1Gbps link With 100Mbps of unreserved...

Which of the following routing protocols are supported on the Alcatel-Lucent 7750 SR to enable constraint-based LSPs? (Choose two)

On a point-to-point link, two directly connected routers set different interface hello timeout values. Router R1 uses 15 seconds, while router R2 uses 30 seconds. What happens to t...

Which of the following statements best defines an LSP?

Which of the following statements is true when the implicit null is implemented?

Click on the exhibit button below. With fast reroute enabled, and given the following: - The protected LSP path is R1-R2-R3. - All links are of equal cost. Which of the following s...

Which command can be used to verify the LDP settings for label distribution and retention?

If an Alcatel-Lucent 7750 LSR receives a labeled packet with a outer label TTL of 250 and an inner label TTL of 251, which of the following statements is true?

Which of the following statements regarding DiffServ-TE LSPs is true?

In MPLS, labels are distributed in the opposite direction of the data flow.

Which of the following statements regarding LSPs are true? (Choose two)

If an LSP's loose primary path includes the statement "include green" and "exclude red;" how does CSPF choose the LSP's path?

Click on the exhibit button below. Given the output below, which of the following statements are true? (Choose three)

During node protection signaling, the PLR knows the address of the MP from which of the following methods?

Click on the exhibit button below. If the four LSPs shown use the shared-explicit reservation style, how much bandwidth does CSPF request across a single 1Gbps link?

A targeted-LDP session may exist between directly connected or non-directly connected devices

Which of the following statements regarding LSP path configuration are true? (Choose three)

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

What is the function of the MPLS label assigned to a packet?

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

Which of the following prerequisites must you configure on a router to enable LDP-over- RSVP support? (Choose two)

Click on the exhibit button below. Consider the following: - Routers R1 and R4 are in Area 1. - Routers R4 and R5 in Area 0. - Routers R5 and R3 are in Area 2. To support LDP-over-...

Which of the following commands may only be used on the head end router to verify the status of an LSP named "LSP 1"? (Choose two)

Which of the following statements is true of an established LDP session?

When configuring an LSP for fast reroute one-to-one protection, which of the following statements is true?

Which of the following are top level TLV types defined for OSPF-TE? Choose two answers.

Which LSA is used for OSPF-TE purposes?

Which of the following about Alcatel-Lucent 7750 SR command "oam Isp-trace prefix" is FALSE?

Click on the exhibit button below. Assume the following: - The protected path is R1-R2-R3-R6. - Fast reroute one-to-one protection is enabled. If the original LSP already has two l...

In MPLS, how is the label range 0 ?15 used?

Which of the following statements regarding per-platform label space are true? Choose two answers.

Click on the exhibit button below. Assume the following: - Each router's OSPF interfaces are in the areas shown. - Bidirectional LDP-over-RSVP tunnels extend from routers R1 to R3...

Which of the following about RSVP-TE is TRUE?

Which of the following about T-LDP is FALSE?

Which of the following configurations allow a router to periodically attempt to move LSP traffic to a better path, if the head end can find one?

An Alcatel-Lucent 7750 SR enabled with LDP has multiple equal cost paths to a given FEC. After ECMP is enabled, which of the following is FALSE?

Which one of the following statements regarding RSVP LSP configuration is true?

Which of the following statements regarding the MPLS SWAP label operation is true?