New Nokia 4A0-116 Dumps & Questions Updated on 2023 [Q12-Q35]

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New Nokia 4A0-116 Dumps & Questions Updated on 2023

Dumps to Pass your 4A0-116 Exam with 100% Real Questions and Answers

Segment Routing is a network technology that simplifies the network infrastructure by eliminating the need for complex routing protocols and reducing the number of network devices required to manage traffic. Nokia’s Segment Routing solution is a scalable, flexible, and efficient way of delivering network services that can be easily deployed in any network environment.

QUESTION 12
Which of the following statements about the operation of seamless-BFD is FALSE?

Seamless-BFD responses are sent back using the LSP label stack.

To be able to respond to seamless-BFD messages, a router must be configured as a reflector.

A seamless-BFD template needs to be configured on the head-end of the LSP.

The routing protocol (OSPF or IS-IS) is used to carry the reflector discriminator information.

QUESTION 13
OSPF is being used for segment routing with traffic-engineering (SR-TE). The traffic-engineering option has been set to “sr-te false”. Which of the following statements is TRUE?

The TE information will be advertised for all the OSPF links that have MPLS enabled.

The TE information will only be advertised using application-specific sub-TLVs.

The TE information will only be advertised for the OSPF links that have both MPLS and RSVP enabled.

The TE information will only be advertised using extended-link opaque LSAs.

QUESTION 14
Examine the exhibit.

An LSP is being configured to start at R1 and end at R6 using local CSPF. The LSP has the following constraints. Include admin-group GREEN, use the TE metric and hop-limit 3. What routers will be included in the LSP path?

R1, R2, R4, R6

R1, R5, R6

R1, R3, R5, R6

R1, R6

QUESTION 15
When OSPF is used to support Segment Routing, the first byte of the link-state ID associated with each of the opaque LSAs indicates the type of information being advertised. Which of the following associations between the first-byte value and its meaning is FALSE?

Value 1 – Traffic Engineering

Value 4 – Router Info

Value 7 – SRGB Range

Value 8 – Extended Link Info

QUESTION 16
Which of the following statements about segment routing fast re-route is FALSE?

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

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.

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

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

QUESTION 17
Which of the following is not required to be advertised by a router participating in Segment Routing?

Local Node-SID

Adjacency-SIDs

Support for SR-MPLS for IPv4 or IPv6, or SRv6

SRGB when SRv6 is configured

QUESTION 18
Which of the following is NOT one of the main goals of traffic engineering?

Utilizing redundant links.

Avoiding potential congestion points in the network.

Defining traffic paths based on various constraints.

Using the shortest possible path through the network to the destination.

QUESTION 19
Which of the following statements about the Path Computation Element (PCE) is FALSE?

The PCE can obtain topology and traffic-engineering information from the network using either a link-state IGP or BGP-LS.

A stateful PCE proactively monitors all the existing LSPs and triggers the necessary repairs and re-optimizations.

A stateless PCE can calculate cross-area traffic-engineering-constrained LSP paths.

A stateful PCE can allow LSPs to reserve bandwidth.

QUESTION 20
Based on the exhibit, which of the following statements about fast re-route for flex-algo instance 129 is TRUE?

Only standard LFA is enabled on router R1; fast re-route is not enabled on router R2.

Only standard LFA is enabled on both routers R1 and R2.

Standard LFA and remote-LFA are enabled on router R1; fast re-route is not enabled on router R2.

Standard LFA and remote-LFA are enabled on router R1; standard LFA and TT-LFA are enabled on router R2.

QUESTION 21
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?

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

Router RIO participates in flex-algo instance 130.

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

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

QUESTION 22
Which of the following statements about Segment Routing tunnels is FALSE?

A Segment Routing tunnel defined by a Node-SID uses the shortest IGP Path.

A Segment Routing tunnel can be defined by multiple Node-SIDs.

A Segment Routing tunnel can be defined by a combination of Node-SIDs and Adjacency-SIDs.

For a Segment Routing tunnel, an intermediate router will always forward the packet based on the best IGP path.

QUESTION 23
Which of the following statements about a Segment Routing SID is FALSE?

A Node-SID is usually associated with a router’s system interface.

Adjacency-SID values are taken from the SRGB configured for the routing protocol.

A Prefix-SID can be configured directly as a label value or indirectly as an index.

An Adjacency-SID does not have to be configured.

QUESTION 24
The exhibit presents packets being transmitted inside an LSP’s multi-segment primary path going from router R1 to router R8. The LSP also has a standby secondary path, and Seamless-BFD has been enabled on the primary path. The link between routers R1 and R2 fails, and fast re-route (FRR) is triggered. As a result, router R1 forwards the packets to router R3 and adds the proper FRR encapsulation to reach which router?

To reach router R2, which is the LSP’s intended next-hop.

To reach router R5, which is the shortest way to go back to the original path.

To reach router R4, which is the tail-end of the active segment.

To reach router R8, which is the tail-end of the LSP.

QUESTION 25
OSPF type-10 Opaque LSAs can carry different types of advertisements. What type of advertisement carries a router’s local 5RGB information?

Extended Prefix Info

Router Info

Extended Link Info

Traffic Engineering Info

QUESTION 26
To create a flex-algo instance in a network, which of the following configuration steps is mandatory?

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

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

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

Configuring LSPs between every pair of PE routers.

QUESTION 27
Which of the following statements about Segment Routing is FALSE?

No path signaling is required to establish an SR tunnel.

Intermediate routers do not maintain any tunnel informal

A link-state IGP is required to distribute SID information.

For TE-constrained tunnels, each data packet typically carries a single MPLS label to specify the tunnel path.

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New Nokia 4A0-116 Dumps & Questions Updated on 2023 [Q12-Q35]

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