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Nokia Segment Routing Exam Question and Answers

Nokia Segment Routing Exam

Last Update May 9, 2024
Total Questions : 40

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Questions 1

Loopfree-alternate has been enabled on a router for its link-state routing protocol. For which types of segments will the router attempt to find a backup path, so that they become protected by fast re-route?

Options:

A.  

Only segments defined by a Node-SID.

B.  

Only segments defined by an Adjacency-SID.

C.  

Segments defined by a Node-SID and segments defined by an Adjacency-SID.

D.  

No segments, unless segment-routing fast-reroute is also explicitly enabled.

Discussion 0
Questions 2

Which of the following statements about Multi-Protocol Label Switching networks is FALSE?

Options:

A.  

MPLS uses a signaling protocol to exchange labels between routers.

B.  

An LSR forwards data based on the MPLS labels.

C.  

An LSP is a bi-directional tunnel that uses MPLS labels to forward data.

D.  

The data is transparently carried from end to end.

Discussion 0
Questions 3

In which of the following aspects does the configuration of flex-algo LSPs have an advantage over the configuration of SR-TE LSPs?

Options:

A.  

Label stack size of the encapsulated data packets

B.  

List of traffic-engineering constraint types available to choose from

C.  

Ability to associate one primary and up to two secondary paths to the same LSP

D.  

Flexibility of configuring each LSP with its own set of traffic-engineering constraints

Discussion 0
Questions 4

Which of the following statements about segment routing fast re-route is FALSE?

Options:

A.  

Fast re-route is a temporary fix that becomes active for a short period of time after a local network failure.

B.  

Fast re-route typically protects the active segment of a tunnel, but under certain conditions it can protect an end-to-end multi-segment tunnel instead.

C.  

On a Nokia 7750 SR, R-LFA and TI-LFA can be enabled independently of each other.

D.  

The parameter "max-sr-frr-labels" limits the number of labels that R-LFA can add to the data packet encapsulation.

Discussion 0
Questions 5

Based on the exhibit, and given that the system IP address of router RIO is 10.10.10.10, which of the following statements is FALSE?

Options:

A.  

Router Rl participates in at least two flex-algo instances.

B.  

Router RIO participates in flex-algo instance 130.

C.  

The Node-SID assigned to router RIO for flex-algo instance 129 is 524338.

D.  

The underlying routing protocol being used in the network for segment routing is IS-IS.

Discussion 0
Questions 6

To create a flex-algo instance in a network, which of the following configuration steps is mandatory?

Options:

A.  

Configuring the proper values for the shared-risk link groups (SRLGs) that will define the flex-algo topology.

B.  

Configuring at least one router in the network to create and advertise the flex-algo definition.

C.  

Specifying whether the LSP paths will be computed locally or by an external path computation element (PCE).

D.  

Configuring LSPs between every pair of PE routers.

Discussion 0