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Viewing page 13 out of 13 pages
Viewing questions 241-260 out of questions
Questions # 241:

Fragmentation is supported on a Layer 2 service

Options:
A.

TRUE

B.

FALSE

Expert Solution
Questions # 242:

How many service labels must be signaled to bring up a fully meshed VPLS service among four PE routers?

Options:
A.

1

B.

4

C.

6

D.

8

E.

12

F.

24

Expert Solution
Questions # 243:

Which of the following about IS-IS Traffic Engineering on an Alcatel-Lucent 7750 SR is FALSE?

Options:
A.

Traffic engineering information is carried in the extended TLVs.

B.

Traffic engineering must be enabled on all IP/MPLS routers along the LSP path.

C.

Traffic engineering information is stored in the opaque database,

D.

Traffic engineering is required for constraint-based LSPs.

Expert Solution
Questions # 244:

Which of the following describes how a router sets the destination IP address for an RSVP RESV message?

Options:
A.

It sets the address to the system address of the head-end router.

B.

It sets the address to the next upstream hop from the ERO.

C.

It sets the address to the next upstream hop from the PSB.

D.

It sets the address to the next upstream hop from the RRO.

Expert Solution
Questions # 245:

Click on the exhibit.

Question # 245

Initially, all links along the path R1-R2-R4-R6 have 400Mbps unreserved bandwidth and all links along the path R1-R3-R5-R6 have 800Mbps unreserved bandwidth. Shared Explicit reservation style is used and Make-Before-Break is enabled. Both fully loose LSPs have been signaled as shown. Later, the configured bandwidth for LSP-1 is changed to 400Mbps. Which of the following is TRUE?

Options:
A.

After a new path for LSP-1 is established on R1-R3-R5-R6, the old path is torn down.

B.

After the old path for LSP-1 is torn down, the new path is established on R1-R3-R5-R6.

C.

LSP-1 will stay on R1-R2-R4-R6 because there is enough bandwidth on the existing path.

D.

LSP-1 will be torn down because CSPF fails to find a new path.

Expert Solution
Questions # 246:

FRF.5 is a standard that describes which of the following requirements?

Options:
A.

ATM to Frame Relay translation.

B.

Frame Relay to Ethernet translation.

C.

ATM tunneling over a Frame Relay core network.

D.

Frame Relay tunneling over an ATM core network.

E.

Frame Relay tunneling over an MPLS/IP core network

Expert Solution
Questions # 247:

An Alcatel-Lucent 7750 SR has its TE update threshold enabled with the up threshold set to 40%. The maximum reservable bandwidth on the link is 200M and 30M have already been reserved. When will a TE update be sent on this link?

Options:
A.

When the reserved bandwidth goes above 80M.

B.

When the reserved bandwidth goes above 40M.

C.

When an additional 80M bandwidth is reserved.

D.

When an additional 40M bandwidth is reserved.

Expert Solution
Questions # 248:

Which of the following SAPs will forward tagged frames with an outer VLAN tag of 200? (Choose 3)

Options:
A.

sap 1/1/1

B.

sap 1/1/1:*

C.

sap 1/1/1:*.0

D.

sap 1/1/1:0*

E.

sap 1/1/1:200.*

F.

sap 1/1/1:300:200

Expert Solution
Questions # 249:

Which of the following describes constraint-based routing?

Options:
A.

A mechanism that implements opaque LSAs.

B.

A mechanism that computes routes based on specified requirements.

C.

A mechanism that ensures the IGP best route is used.

D.

A mechanism that enables LDP signaling to use a route other than the IGP best route.

Expert Solution
Questions # 250:

Which of the following best describes a VPRN?

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 # 251:

What happens when a packet without a VLAN tag is received on a SAP provisioned with null encapsulation while an SDP vc-type is provisioned as vlan?

Options:
A.

The frame is dropped.

B.

The service ID is added as the VLAN tag.

C.

A VLAN tag of 0 is added as the provider VLAN tag

D.

The frame is forwarded with no VLAN tag

Expert Solution
Questions # 252:

What is the purpose of a T-LDP session?

Options:
A.

It allows link LDP to be configured on the edge devices only.

B.

It is used to signal the transport labels in the provider core.

C.

It allows selective control over which devices are configured for LDP.

D.

It is used to signal the service labels in the provider core.

Expert Solution
Questions # 253:

Which of the following about per-interface label space is TRUE?

Options:
A.

A single label is assigned to a FEC for all interfaces on the same router.

B.

The same label can be used to forward a packet on an LSR regardless of which egress port is used.

C.

It uses fewer label resources than a per-platform label space.

D.

A separate label is used for each interface that the FEC is advertised on.

Expert Solution
Questions # 254:

Which of the following about the Link LDP discovery process on the Alcatel-Lucent 7750 SR is FALSE?

Options:
A.

LDP Hello messages are sent over TCP.

B.

LDP Hello messages are sent to the All Routers address 224.0.0.2.

C.

LDP Hello messages are exchanged between all directly connected LDP enabled routers.

D.

Each LDP enabled router must have its own unique system IP address.

Expert Solution
Questions # 255:

Which of the following commands would be used to show the operational state of all IES services?

Options:
A.

show service id 5

B.

show service ies

C.

show service service-using ies

D.

show service id 5 base

Expert Solution
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Viewing questions 241-260 out of questions