March Special Sale - Limited Time 60% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: 575363r9

Welcome To DumpsPedia

4A0-C04 Sample Questions Answers

Questions 4

Which of the following statements regarding BGP FRR is FALSE?

Options:

A.

The router must receive several BGP routes to compute a backup path.

B.

BGP FRR can be triggered by BFD.

C.

The backup path can use the same next hop as the primary path.

D.

BGP peer-tracking can be used to improve BGP FRR failure detection times.

Buy Now
Questions 5

Click the exhibit.

AS 65540 routers are iBGP fully-meshed. Assume routers R4, R5 and R6 are configured with addpaths ipv4 send 2 receive". Which routes to 192.168.0.1/27 is router R6 expected to have in its BGP routing table?

Options:

A.

Two routes from router R4.

B.

Two routes from router R5.

C.

Two routes; one from router R4 and one from router R5.

D.

Four routes; two from router R4 and two from router R5.

Buy Now
Questions 6

Which of the following statements regarding OSPF routing updates on a point-to-point link is true?

Options:

A.

On a point-to-point link, there is no need for a DR and BDR election; all routing updates are sent to 224.0.0.5.

B.

On a point-to-point link, a DR and BDR are elected. The DR sends link-state advertisements describing the network.

C.

On a point-to-point link, a DR and BDR are elected. To ensure resiliency, both the DR and BDR send link-state advertisements describing the network.

D.

On a point-to-point link, there is no need for a DR and BDR election. All routing updates are sent to the unicast address of the neighbor's interface.

Buy Now
Questions 7

Which of the following OSPF area types are supported by the Alcatel- Lucent 7750 SR? Choose two answers.

Options:

A.

Not so stubby areas

B.

Level1 area WC

C.

Stub areas

D.

Partially stubby areas

E.

Level 2 areas

Buy Now
Questions 8

A BGP session is in OpenConfirm state. Which of the following messages must be received to transition to Established state?

Options:

A.

Update

B.

Open

C.

Notification

D.

Keepalive

Buy Now
Questions 9

Click the exhibit button.

Router R2 advertises the network 192.168.3.0/24 to router R1 via OSPF. A route policy has been constructed to discard the route on router R1; however, it is not working. What is the problem?

Options:

A.

The prefix list reject should be "192.168.3.0/16 exact".

B.

Router R1 should be configured as an OSPF "asbr".

C.

The policy "reject" should be set for import rather than export.

D.

The policy was likely not "committed" after creation.

E.

This is not possible because OSPF cannot use import policies.

Buy Now
Questions 10

Which of the following about MPLS shortcuts for IGP on an Nokia 7750 SR is FALSE?

Options:

A.

An IGP route takes priority over a transport tunnel.

B.

Both LDP and RSVP-TE based tunnels can be used.

C.

MPLS tunnels can be used to resolve the prefixes learned via IGP.

D.

Multiple MPLS tunnels can be installed in the FIB.

Buy Now
Questions 11

A CE is connected to an IES interface. Which of the following is TRUE?

Options:

A.

The IES's interface must be an IGP peer with the CE.

B.

The IES must use an IP address that is different than the C£.

C.

The IES can only include one SAP for the CE.

D.

The IES must include a network port.

Buy Now
Questions 12

What causes an adjacency to change from "Init" to "Two Way"?

Options:

A.

When a Link State Update is received in response to a Link State Request

B.

When a router receives a Hello packet from a neighbor that contains its router id in the neighbor list

C.

When OSPF neighbors exchange Database Descriptor packets

D.

When a Link State Acknowledgement is received in response to a Link State Update

Buy Now
Questions 13

From what range are 16-bit private AS numbers selected?

Options:

A.

64496 – 64511

B.

1 – 56319

C.

64512-65534

D.

64513-65535

E.

There are no defined private AS numbers; there are only private IP addresses.

Buy Now
Questions 14

What are the default settings for RSVP-TE on the Nokia 7750 SR?

Options:

A.

Per-interface label space, liberal retention mode

B.

Per-platform label space; liberal retention mode

C.

Per-interface label space, conservative retention mode

D.

Per-platform label space, conservative retention mode

Buy Now
Questions 15

When configuring distributed services across a network, it is considered best practice to configure which of the following parameters as globally significant?

Options:

A.

Customer ID and SAP ID.

B.

Customer ID and Service ID.

C.

SAP ID and Service ID.

D.

SDP ID and Service ID.

E.

SDP ID and SAP ID.

F.

SDP ID and VC ID.

Buy Now
Questions 16

Which of the following prefix lists include prefixes 192.168.128.0/17 and 192.168.64.0/18?

Options:

A.

Prefix list 192.168.0.0/16 through 18.

B.

Prefix 192.168.0.0/17 longer.

C.

Prefix list 192.168.0.0/17 through 18.

D.

Prefix 192.160.0.0/13 longer.

Buy Now
Questions 17

On Nokia 7750 SR OS, routing information between the CE and PE can be exchanged using the following methods.

Options:

A.

ISIS, RIP, OSPF, static routes

B.

BGP, ISIS, RIP, OSPF, static routes

C.

BGP, RIP, OSPF, static routes, OSPF3

D.

ISIS, RIP, OSPF, static routes, OSPF3

Buy Now
Questions 18

Facility fast reroute with node protection is enabled for an LSP, which of the following is FALSE?

Options:

A.

Each PLR signals a bypass tunnel that avoids the next-hop downstream router.

B.

When a failure occurs, the PLR pushs an additional label onto the label stack.

C.

No bypass tunnel is established if the PLR cannot provide node protection.

D.

The head-end router sets the local protection desired flag in the session attribute object.

Buy Now
Questions 19

If OSPF is used in a multi-area OSPF network, which of the following statements regarding route summarization is true?

Options:

A.

Manual route summarization can only be done on autonomous system border routers.

B.

Manual route summarization must be done on all the backbone routers to be effective. Manual route summarization is optional on the routers in non-backbone areas.

C.

Manual route summarization is done on the ABRs. By default, automatic summarization is done; however, it may not be optimal for all networks.

D.

Manual route summarization is done on the ABRs. By default, no route summarization is done and all routes are advertised to all areas.

Buy Now
Questions 20

Click the exhibit button.

Given the topology and the show commands, and assuming that router R2 advertises all of its loopbacks into OSPF, what is the correct router R1 configuration?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Buy Now
Questions 21

An Nokia 7750 SR is configured with an export policy to redistribute its directly-connected networks into BGP. Which of the following databases contains the routes for these networks?

Options:

A.

The routes are in the RIB-In.

B.

The routes are in the Loc-RIB.

C.

The routes are in the RIB-Out.

D.

The routes are not in any of the BGP databases.

Buy Now
Questions 22

Click on the exhibit.

The path of a fast reroute protected LSP is R1-R2-R3. Which of the following about the protected LSP path is TRUE?

Options:

A.

All routers along the path, R1, R2, and R3 can be PLRs.

B.

If the R1-R2 link fails, router R4 becomes an MP.

C.

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

D.

Router R1 is the LSP head-end and can be a PLR.

Buy Now
Questions 23

Which of the following messages is NOT used in T-LDP operation?

Options:

A.

Hello message

B.

Init message

C.

Keepalive message

D.

Label Mapping message

E.

ACK message

Buy Now
Questions 24

In an OSPF Hello packet, which of the following fields must match for all neighbor routers on the segment? Choose three answers.

Options:

A.

Area ID W B.

B.

Hello and Dead intervals PC.

C.

Stub flag

D.

Checksum values

E.

The list of neighbors

Buy Now
Questions 25

On an Nokia 7750 SR, which vc-type will strip service delimiting tags at the ingress PE?

Options:

A.

vc-type ether

B.

vc-type vlan

C.

vc-type dotlq

D.

vc-type null

Buy Now
Questions 26

Which of the following OSPFv3 LSAs have an AS scope?

Options:

A.

Link Local LSA

B.

Router LSA

C.

Network LSA

D.

Inter-Area Router LSA

E.

Intra-Area Prefix LSA

F.

None of the above LSAs have an AS scope.

Buy Now
Questions 27

Click on the exhibit.

An LDP tunnel is established on R1-R2-R4-R6 because the link between routers R3 and R6 is down. With the LDP-IGP Sync feature enabled, what happens immediately after the link is restored?

Options:

A.

A new LDP session is established on R1-R3-R6 as soon as the FIB is updated.

B.

The LDP session remains unchanged until the existing path R1-R2-R4-R6 goes down.

C.

A new LDP session is established on R1-R3-R6 as soon as router R1 receives a new label for router R6.

D.

The LDP session remains unchanged until router R3 stops advertising the maximum metric for the link to router R6.

Buy Now
Questions 28

Graceful Restart is supported by what IGPs?

Options:

A.

RIPv1 and RIPv2

B.

OSPF

C.

IS-IS

D.

BGP

Buy Now
Questions 29

Which of the following about VPLS MAC learning is FALSE?

Options:

A.

The PE routers of the service are responsible for learning MAC addresses.

B.

Flooding ensures that all PEs in a fully-meshed VPLS will learn the source address of all traffic.

C.

MAC learning reduces flooding of frames with previously learned addresses.

D.

Multiple VPLSes on the same PE share the same MAC FDB.

Buy Now
Questions 30

Click the exhibit.

Which of the following is a valid confederation configuration for Router R2?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Buy Now
Questions 31

Click the exhibit.

Router R6 is a route reflector with clients R1, R2, R4 and R5. Router R4 receives three routes from router R6 and is configured with ECMP 3. Given the following BGP configuration on routerR4, how many primary and backup paths will be present in router R4's BGP routing table?

Options:

A.

Three primary paths,

B.

Two primary paths and one backup path.

C.

One primary path and two backup paths.

D.

One primary path and one backup path.

Buy Now
Questions 32

What happens by default on an Nokia 7750 SR when a VPLS accepts a tagged frame at the ingress SAP 1/1/1:100?

Options:

A.

The FCS is verified and kept in the customer frame. The VLAN tag is kept and transported over the network.

B.

The FCS is verified and kept in the customer frame. The VLAN tag is removed for transport over the network.

C.

The FCS is verified and removed from the frame. The VLAN tag is kept for transport over the network.

D.

The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network.

Buy Now
Questions 33

Click on the exhibit.

The partial command output from an Nokia 7750 SR is shown. Which of the following about this LSP path is TRUE?

Options:

A.

R4 (10.10.10.4) has established a link protection tunnel.

B.

R6 (10.10.10.6) has established a link protection tunnel.

C.

R2 (10.10.10.2) has established a node protection tunnel.

D.

R1 (10.10.10.1) has not established a node protection tunnel.

Buy Now
Questions 34

Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.

Assuming that none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes on router R1?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Buy Now
Questions 35

Click the exhibit.

AS 65100 is advertising 192.168.1.0/27 into BGP. Which of the following AS Paths would the prefix 192.168.1.0/27 contain when viewed on router R7?

Options:

A.

65206 65202 65100

B.

(65206 65202)65100

C.

(65204 65206 65202) 65100

D.

(65200) 65100

Buy Now
Questions 36

Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.

Assuming that router R6 is configured with "advertise-external", what is the expected output of "show router bgp routes" when executed on router R1?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Buy Now
Questions 37

In an IP datagram, which of the following fields identifies the receiving application?

Options:

A.

The protocol field of the transport layer header.

B.

The port field of the transport layer header.

C.

The protocol field of the network layer header.

D.

The port field of the network layer address.

Buy Now
Questions 38

Which of the following statements concerning OSPFv3 is false?

Options:

A.

MD5 Authentication is not supported.

B.

Router LSAs do not carry IPv6 prefix information

C.

NSSA is not supported in OSPFv3.

D.

OSPFv3 uses a 32-bit router ID.

Buy Now
Questions 39

Click the exhibit.

Router R2 is advertising prefix 192.168.1.0/27 with community "no-advertise" towards AS 65002.

Which routers receive an update for that prefix?

Options:

A.

Router R3 only.

B.

Routers R3 and R4 only.

C.

Routers R3, R4 and R5 only.

D.

Router R2 does not advertise an update for the prefix.

Buy Now
Questions 40

Which of the following statements best describes the function of an OSPF Type 4 LSA?

Options:

A.

A Type 4 LSA is originated by an ABR to describe a route to an ASBR to routers outside the area.

B.

A Type 4 LSA is originated by an ASBR to describe a route to itself to routers outside the area.

C.

A Type 4 LSA is originated by an ABR that is connected to a stub area. The LSA is injected into the backbone area to provide routing information.

D.

A Type 4 LSA is originated by an ABR that is connected to a stub area. The LSA is injected into the stub area to provide routing information.

Buy Now
Questions 41

In an IP datagram, which field identifies the receiving application

Options:

A.

The protocol field of the transport layer header

B.

The port field of the transport layer header

C.

The protocol field of the network layer header

D.

The port field of the network layer address

Buy Now
Questions 42

Which MPLS mode saves only active label mappings received from peer LSRs?

Options:

A.

Conservative label retention

B.

Liberal label retention

C.

Downstream on demand

D.

Downstream unsolicited

Buy Now
Questions 43

What kind of attribute is the aggregator?

Options:

A.

Well-known mandatory

B.

Well-known discretionary

C.

Optional transitive

D.

Optional non-transitive

Buy Now
Questions 44

What is the protocol number for OSPF in the IP header?

Options:

A.

OSPF uses TCP, so the protocol number is 6.

B.

OSPF uses UDP, so the protocol number is 17.

C.

OSPF does not use IP.

D.

OSPF has its own protocol number of 89.

Buy Now
Exam Code: 4A0-C04
Exam Name: Nokia NRS II Composite Exam: OSPF version
Last Update: Mar 17, 2024
Questions: 298
$64  $159.99
$48  $119.99
$40  $99.99
buy now 4A0-C04