May-2023 Nokia 4A0-116 Actual Questions and Braindumps [Q18-Q36]

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May-2023 Nokia 4A0-116 Actual Questions and Braindumps

4A0-116 Dumps To Pass Nokia Exam in 24 Hours – ExamDumpsVCE

NEW QUESTION 18
A router participating in SR-TE is advertising a value of Ox11 for the admin-group membership of one of its interfaces. Which of the following statements is TRUE?

The interface belongs to admin group RED, configured with a value of 17.

The interface belongs to two different admin groups.

The interface belongs to three different admin groups.

The interface belongs to four different admin groups.

NEW QUESTION 19
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.

NEW QUESTION 20
The exhibit highlights in blue the primary path of a segment going from router S to router D.
The exhibit also shows a backup path. The protected link fails and fast re-route is triggered on router S. If the backup path has been calculated using standard LFA, how many SIDs are included in the label stack of the data packet forwarded to router R1?

NEW QUESTION 21
An SR-TE LSP with a path definition that includes router R4 as a loose hop and for which Seamless-BFD has been enabled is following the path shown in the exhibit. What happens after router R4 fails if the routers along the path follow the default behavior?

The head end will periodically try to calculate a new path at a rate defined by the retry timer.

The head end will periodically try to calculate a new path at a rate defined by the resignal timer.

The head end will continue forwarding traffic to the current next-hop indefinitely, which will be discarded at the point of failure.

The head end will continue forwarding traffic to the current next-hop indefinitely, and R2 will redirect the traffic to R3 after IGP reconvergence.

NEW QUESTION 22
Which of the following statements about path definitions is FALSE?

Once a path is associated with an LSP, it cannot be used by other LSPs.

A loose hop is one that does not have to be directly adjacent to the previous hop in the path list

The path hops can be defined by either the system or physical interface IP address.

In addition to the hops defined in the path list, the head-end and tail-end routers are implicitly added.

NEW QUESTION 23
In which of the following aspects does the configuration of flex-algo LSPs have an advantage over the configuration of SR-TE LSPs?

Label stack size of the encapsulated data packets

List of traffic-engineering constraint types available to choose from

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

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

NEW QUESTION 24
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.

NEW QUESTION 25
Which of the following is NOT a valid option to steer traffic into a flex-algo segment-routing tunnel?

Using a flex-algo Node-SID as an explicit hop in the path definition of an SR-TE LSP and enabling the sr-te tunnel type for a VPN service.

Specifying the flex-algo instance ID as an additional TE constraint for an SR-TE LSP and enabling the sr-te tunnel type for a VPN service.

Configuring and applying a VRF import policy to a VPRN service and enabling the sr-is-is or sr-ospf tunnel type for the service, depending on the underlying routing protocol.

Configuring and applying a VSI import policy to an EVPN service and enabling the sr-is-is or sr-ospf tunnel type for the service, depending on the underlying routing protocol.

NEW QUESTION 26
In the context of a network that includes a Path Computation Element (PCE), what is a PCC-initiated LSP?

An LSP that needs to be explicitly configured on the head-end router.

An LSP for which the initial path is calculated by the head-end router.

An LSP for which the path repairs and re-optimizations must be triggered by the head-end router.

An LSP whose existence and state are reported to the PCE.

NEW QUESTION 27
Based on the exhibit, which of the following is a viable option for the Path Computation Element (PCE) to obtain all the necessary topology and traffic-engineering information from the network, so that it can calculate LSP paths on behalf of the PE routers?

Establishing an IGP adjacency with router R2

Establishing IGP adjacencies with routers R1 and R2

Establishing a BGP session using the BGP-LS address family with router R3

Establishing BGP sessions using the BGP-LS address family with routers R3 and R4

NEW QUESTION 28
Which of the following statements about Multi-Protocol Label Switching networks is FALSE?

MPLS uses a signaling protocol to exchange labels between routers.

An LSR forwards data based on the MPLS labels.

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

The data is transparently carried from end to end.

NEW QUESTION 29
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

NEW QUESTION 30
Which of the following statements about a Segment Routing SID is FALSE?

A local Node-SID can be configured directly as an MPLS label.

A router advertises its local Node-SID as a local SRGB and an index only if it is configured as an index.

All routers do NOT need to have the same SRGB range configured.

A local Node-SID can be configured as an index.

NEW QUESTION 31
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?

Only segments defined by a Node-SID.

Only segments defined by an Adjacency-SID.

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

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

NEW QUESTION 32
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

NEW QUESTION 33
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.

Nokia 4A0-116, also known as Nokia Segment Routing, is a certification exam offered by Nokia to validate the knowledge and skills of IT professionals in implementing and managing segment routing networks. This exam is designed to test the candidates’ ability to configure, troubleshoot, and optimize segment routing networks using Nokia’s solutions and technologies.

The Nokia 4A0-116 exam covers a wide range of topics related to Nokia Segment Routing, including the fundamentals of segment routing, the architecture and components of a segment routing network, and the configuration and management of segment routing in Nokia network devices. The exam also covers advanced topics such as segment routing traffic engineering, network slicing, and service function chaining.

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