Nokia 4A0-103 Exam Questions Free Practice Test

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Questions # 51:

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

Options:

It uses a UDP connection with an arbitrary port number.

It uses a UDP connection with well known port number 646.

It uses a TCP connection with an arbitrary port number.

It uses a TCP connection with well known port number 646.

Expert Solution

Questions # 52:

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

Options:

The path must include at least one hop.

The path may be used multiple times in a single LSP.

The path may comprise loose hop entries only.

The path must define the LSP's tail end.

The path may be used for multiple LSPs.

Expert Solution

Questions # 53:

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

Options:

from prefix-list direct

match local

from protocol direct

match protocol direct

from protocol local

Expert Solution

Questions # 54:

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)

Options:

show router mpls Isp "LSP 1" originate

show router mpls Isp "LSP 1" path detail

show router rsvp session originate

show router rsvp session "LSP 1"

Expert Solution

Questions # 55:

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

Options:

The LSP can also use facility backup.

The LSP is limited to node protection.

You cannot request bandwidth on the protected LSP.

Node protection can be disabled.

Expert Solution

Questions # 56:

Click on the exhibit button below.

Question # 56

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 statements is true? (Choose two)

Options:

Router R1 is the LSP originator and is also a PLR.

With one-to-one link or node protection, the detour LSP path is R1-R4-R5-R2-R3.

With one-to-one link or node protection, the detour LSP path is R1-R4-R5-R3.

If the R2-R3 link fails, router R3 becomes a PLR

None of the nodes can be protected with FRR.

Expert Solution

Questions # 57:

You wish to build an LSP originating on router R1, transiting the path R1-R2-R4-R5-R6, and terminating on router R6. How many strict hops would you define in your path statement?

Options:

Expert Solution

Questions # 58:

Which of the following regarding MPLS encapsulation for VPRN services is TRUE?

Options:

The customer's Layer 3 header is removed at the iLER.

The customer's Layer 2 header is removed at the iLER.

The customer's Layer 3 header is removed at the eLER.

The customer's Layer 2 header is removed at the eLER.

Expert Solution

Questions # 59:

Which of the following best describes downstream on demand label distribution?

Options:

An LSR answers requests for label mappings immediately, without waiting for a label mapping from the next-hop.

An LSR advertises label mappings to all peers for which it might be a next-hop for a given FEC.

An LSR distributes a label mapping for a FEC when it has been requested to do so.

An LSR propagates a label mapping downstream for a FEC. only if it has a label mapping for the FEC's next-hop.

Expert Solution

Questions # 60:

Which of the following about an ERO in an RSVP PATH message is FALSE?

Options:

ERO is used by downstream routers to determine the next-hop for the LSP.

ERO contains label information used to signal an LSP path.

ERO is not always present in the PATH message.

Each downstream router updates information inside the ERO.

Expert Solution

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