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Viewing page 4 out of 13 pages
Viewing questions 61-80 out of questions
Questions # 61:

Click on the exhibit.

Question # 61

An LSP path is established on router R1 toward router R6. If the link between routers R4 and R6 goes down, which of the following is the quickest way for service recovery?

Options:

A.

Router R1 updates its FIB after a new SPF calculation.

B.

Router R1 switches to a secondary path.

C.

Router R4 switches to a FRR path.

D.

Router R4 switches to a standby secondary path.

Questions # 62:

Which of the following LDP message categories is UDP-based?

Options:

A.

Notification

B.

Session

C.

Discovery

D.

Advertisement

Questions # 63:

Which of the following statements are TRUE regarding sdp-ping? (Choose 3)

Options:

A.

Provides a mechanism to determine the hops an SDP traverses.

B.

Provides in-band uni-directional connectivity tests.

C.

Provides in-band round-trip connectivity tests.

D.

Tests ability of reaching the far-end IP address of an SDP ID within the SDP encapsulation.

E.

Provides information regarding the exact MTU supported between service ingress and service termination.

Questions # 64:

Click on the exhibit.

Question # 64

This policy is applied as an LDP export policy. In addition to the FECs learned from its neighbors, which FECs will appear in this router's LIB?

Options:

A.

All FECs with a prefix of 192.168.1.0/30.

B.

Local FECs with a prefix of 192.168.1.0/30.

C.

All FECs excluding 192.168.1.0/30.

D.

Local FECs excluding 192.168.1.0/30.

Questions # 65:

Which of the following are functions of the MPLS control plane in a router? (Choose two)

Options:

A.

Label allocation and management.

B.

Label swapping.

C.

Pushing a label on an unlabeled packet.

D.

Label signaling.

E.

Routing lookups.

Questions # 66:

Click on the exhibit button below.

Question # 66

Under which condition might the peer LDP ID 10.10.10.2:0 entry show state "Nonexistent"?

Options:

A.

When the interface to the peer router is down.

B.

When router R1 has no route to the peer address 10.10.10.2.

C.

When the adjacency between the two routers fails.

D.

When the targeted session is not yet configured.

Questions # 67:

Click on the exhibit button below.

Question # 67

Given the configuration below, which of the following commands would enable fast reroute on the LSP? Choose two answers

Options:

A.

This configuration already is configured for FRR.

B.

fast-reroute facility

C.

fast-reroute one-to-one

D.

secondary

E.

standby

Questions # 68:

Click on the exhibit button below.

Question # 68

Given the following fast reroute protected LSPs:

-LSP1.R1-R4-R5-R3

-LSP2.R1-R4-R5-R2

Which routers become bypass tunnel PLRs? Choose two answers

Options:

A.

Router R1

B.

Router R2

C.

Router R3

D.

Router R4

E.

Router R5

Questions # 69:

Click on the exhibit.

Question # 69

Router R1 distributes its loopbacks into IS-IS and globally routed addresses are configured as shown.

How many routes will router R4 have in its IPv6 route table?

Options:

A.

1

B.

2

C.

3

D.

4

E.

6

F.

7

Questions # 70:

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

Options:

A.

The LSP can also use facility backup.

B.

The LSP is limited to node protection.

C.

You cannot request bandwidth on the protected LSP.

D.

Node protection can be disabled.

Questions # 71:

Which of the following best describes a unicast IPv6 address?

Options:

A.

Fixed total of 128 bits, where 64 bits are used for routing and 64 bits are used as an interface identifier.

B.

Fixed total of 128 bits, where 32 bits are used for the global prefix, 32 bits are used for the subnet and 64 bits are used as an interface identifier.

C.

Variable total length, where at least 48 bits are used for the global prefix, 48 bits are used for the subnet and 64 bits are used as an interface identifier.

D.

Variable total length, where at least 64 bits are used for routing and 64 bits are used as an interface identifier

Questions # 72:

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.

Questions # 73:

What is the primary purpose of variable length subnet masks (VLSM)?

Options:

A.

To reduce the size of each routing update.

B.

To allow interoperability between routing protocols.

C.

To allow different subnet masks for different subnets.

D.

To reduce the size of the routing table.

Questions # 74:

Which of the following is a valid IPv6 address equivalent to 2001:0da8:0000:0000:0024:0000:4ab9:0300?

Options:

A.

2001:0da8:::0024:0000:4ab9:03

B.

2001:0da8::0024::4ab9:0300

C.

2001:da8::24::4ab9:300

D.

2001:da8::24:0:4ab9:300

Questions # 75:

True or False? MPLS may use an existing data link layer header field to identify a label, instead of using a specific MPLS header

Options:

A.

TRUE

B.

FALSE

Questions # 76:

Which of the following about IS-IS level hierarchies is FALSE?

Options:

A.

Level 2 routers interconnect the Level 1 areas.

B.

There must be a contiguous Level 2 backbone to enable routing throughout the entire network.

C.

Level 1 routers send packets to the nearest L1/L2 router if the destination is in a different area

D.

Level 2 routers store the Level 1 and Level 2 topology information in a single database.

Questions # 77:

Click on the exhibit.

Question # 77

Router R4 is being added to the network and it is connected to a non-OSPF domain.

Which area type should be used for Area 1 to allow the external routes to be advertised into Area 0?

Options:

A.

Backbone

B.

NSSA

C.

Stub

D.

Totally stubby

Questions # 78:

Which OSPFv3 LSA type is similar in function to the OSPFv2 Type 4 LSA?

Options:

A.

Link

B.

Intra-Area Prefix

C.

Inter-Area Prefix

D.

Inter-Area Router

Questions # 79:

The following are statements about fields in the Hello packet that must match in order to form an OSPF adjacency. Which statement is correct?

Options:

A.

The area ID does not have to match.

B.

The value of the E bit in the options field does not have to match.

C.

The value of the Hello interval does not have to match.

D.

The value of the network mask does not have to match.

E.

The area ID, the E bit value, the Hello interval and network mask must all match.

Questions # 80:

Which of the following statements best describes downstream unsolicited label distribution?

Options:

A.

An LER may answer requests for label mappings immediately, without waiting for a label mapping from the next-hop.

B.

An LER may advertise label mappings to all peers for which it might be a next-hop for a given FEC.

C.

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

D.

An LER will only distribute a label for a FEC when it has been requested to do so.

Viewing page 4 out of 13 pages
Viewing questions 61-80 out of questions
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