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Viewing page 12 out of 13 pages
Viewing questions 221-240 out of questions
Questions # 221:

What command syntax would be used to create a new IES service with a service id of 5 and a customer id of 1000?

Options:
A.

configure ies 5 customer 1000 create

B.

configure router ies 5 customer 1000 create

C.

configure service ies 5 customer 1000 create

D.

configure router ies 5 customer 1000

Expert Solution
Questions # 222:

Click on the exhibit.

Question # 222

An LSP traverses the path R1-R2-R3-R6 and facility fast reroute is enabled. If the protected LSP carries one transport label and one service label, how many labels will be on the bypass tunnel if router R2 fails?

Options:
A.

1

B.

2

C.

3

D.

4

Expert Solution
Questions # 223:

A service can be either local or distributed.

Options:
A.

TRUE

B.

FALSE

Expert Solution
Questions # 224:

Click on the exhibit.

Question # 224

Which of the following CANNOT be used to ensure the LSP toR6" will follow the path R1-R2-R4-R6?

Options:
A.

Admin groups

B.

Hop-limit

C.

Strict hops

D.

TE-Metric

Expert Solution
Questions # 225:

Which of the following statements are TRUE regarding a fully meshed VPLS service with a default setting? (Choose 3)

Options:
A.

The vc-id on the mesh-sdp must be explicitly configured.

B.

The vc-id on the mesh-sdp is automatically assigned by a PE using the service id.

C.

The VPLS service id, on all PE routers, does not have to match.

D.

The VPLS service id, on all PE routers, must match.

E.

If dynamic signaling is required, the signaling on all PE routers must be set to TLDP in the configuration of the SDPs.

F.

The signaling on all PE routers will default to TLDP in the configuration of the SDPs; therefore, no configuration change is required for dynamic signaling.

Expert Solution
Questions # 226:

An Alcatel-Lucent 7750 SR enabled with LDP has multiple equal cost paths to a given FEC. After ECMP is enabled, which of the following is FALSE?

Options:
A.

The router has new entries added for the given FEC in its LIB.

B.

The router has new entries added for the given FEC in its FIB.

C.

The router generates a single label for the given FEC and advertises it to all its peers,

D.

The router has multiple LSP tunnels for the given FEC.

Expert Solution
Questions # 227:

If an Alcatel-Lucent 7750 SR is an iLER operating in pipe mode, which of the following regarding the TC field (EXP bits) is TRUE?

Options:
A.

The TC field is set based on the value of the DSCP field inside the customer packet.

B.

The TC field is set to a specific value via explicit administrative configuration.

C.

The TC field is set to a system generated random number.

D.

The TC field is set by the eLER.

Expert Solution
Questions # 228:

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Question # 228

What is the possible reason that the label for prefix 192.10.1.2/32 is not active?

Options:
A.

The router does not have a route to reach to the peer 10.10.10.2/32.

B.

The router does not have a route to reach to the prefix 192.10.1.2/32.

C.

The router does not have an export policy defined to export the prefix 192.10.1.2/32 into LDP.

D.

The router receives an invalid label for the prefix 192.10.1.2/32 from its peer.

Expert Solution
Questions # 229:

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Question # 229

The LSP "toR6" is configured with a fully strict path on an Alcatel-Lucent 7750 SR. Which of the following configurations is required to enable fast reroute for this LSP?

Options:
A.

Enable fast-reroute on all routers along the path. R1, R2, R4, and R6.

B.

Enable both link-protection and node-protection on router R1.

C.

Enable fast-reroute with either one-to-one or facility mode on this LSP.

D.

Enable link-protection only on router R4.

Expert Solution
Questions # 230:

Which of the following about RSVP-TE is TRUE?

Options:
A.

RSVP-TE is a routing protocol.

B.

RSVP-TE requests end-to-end resources for unidirectional data flow.

C.

RSVP-TE consults the local RSVP database to determine the path from source to destination.

D.

RSVP-TE generates a TED for storing traffic engineering information.

Expert Solution
Questions # 231:

Click on the exhibit.

Question # 231

Both Path-1 and Path-2 are down. If Path-2 becomes available again, how does the headend router select the secondary LSP path?

Options:
A.

The router will switch to Path-2 because it is the first secondary path configured in the list.

B.

The router will not switch to Path-2 because the current path has the longest uptime.

C.

The router will switch to Path-2 because it is a more preferred path.

D.

The router will not switch to Path-2 because the router will not revert to another secondary path.

Expert Solution
Questions # 232:

How many SAPs can be configured on a port configured with NULL encapsulation?

Options:
A.

1

B.

4096

C.

None. This encapsulation is not supported.

D.

The number is limited only by the capacity of the router

Expert Solution
Questions # 233:

Click on the exhibit.

Question # 233

If the primary path fails, which backup LSP path will the head-end router pick first?

Options:
A.

The Standby with the highest next-hop IP.

B.

The first Standby in the list.

C.

The Standby with the longest uptime.

D.

The Standby with the lowest next-hop IP.

Expert Solution
Questions # 234:

Which of the following most accurately describes the default behavior of a VPLS regarding the handling of a tagged frame at the ingress of SAP 1/1/1:100?

Options:
A.

The FCS is verified and the customer frame is transported intact over the service provider 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.

Expert Solution
Questions # 235:

Which of the following statements is NOT a valid reason to use MP-BGP as a routing protocol to transport VPRN routes?

Options:
A.

The number of VPRN routes can become very large. MP-BGP can support a very large number of routes.

B.

MP-BGP can carry routing information for a number of different address families.

C.

MP-BGP is designed to exchange information between routers that are not directly connected. This feature keeps VPRN routing information out of P-routers.

D.

MP-BGP can carry additional information attached to a route as an optional BGP attribute.

E.

All of the above statements are valid reasons for using MP-BGP as a VPRN routing protocol.

Expert Solution
Questions # 236:

Which of the following about label modes on the Alcatel-Lucent 7750 SR is FALSE?

Options:
A.

RSVP uses downstream on demand label distribution mode.

B.

LDP uses conservative label retention mode.

C.

LDP advertises label mappings to all peers for which it might be a next-hop for a given FEC.

D.

RSVP distributes a label mapping for a FEC when it has been requested to do so.

Expert Solution
Questions # 237:

Which of the following is NOT a service offered on the Alcatel-Lucent 7750 SR?

Options:
A.

IES

B.

VPWS

C.

VPLS

D.

VPRN

E.

L2TP

Expert Solution
Questions # 238:

Which of the following best describes a VPWS?

Options:
A.

Layer 3 direct Internet access service.

B.

Layer 2 point-to-point service.

C.

Layer 2 multipoint-to-multipoint service.

D.

Layer 3 IP multipoint-to-multipoint VPN service.

Expert Solution
Questions # 239:

Click on the exhibit button below.

Question # 239

Is a routing policy required on PE1 to advertise a CE1's system interface to PE2?

Options:
A.

Yes. A routing policy is required to advertise routes between PE routers in a VPRN

B.

No. A routing policy is not required; the default behavior on the 7750 SR is to advertise all VPRN routes between PE routers.

C.

A routing policy is required only when BGP is used as the PE-CE routing protocol, as shown in the exhibit.

D.

A CE1 system interface can not be advertised to PE2 since the CE routers are not aware of the VPRN.

Expert Solution
Questions # 240:

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Question # 240

After the Isp-ping command is executed, which of the following best describe the router's action?

Options:
A.

MPLS Echo Request packets are sent unlabeled to the prefix 192.10.1.2.

B.

MPLS Echo Request packets are sent within the LDP tunnel that are signaled for 192.10.1.2.

C.

MPLS Echo Request packets are sent within the RSVP-TE tunnel that are signaled for 192.10.1.2.

D.

MPLS Echo Request packets are sent over TCP.

Expert Solution
Viewing page 12 out of 13 pages
Viewing questions 221-240 out of questions