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Viewing page 8 out of 13 pages
Viewing questions 141-160 out of questions
Questions # 141:

Which of the following about the Alcatel-Lucent 7750 SR's sdp-ping utility is FALSE?

Options:

A.

It tests uni-directional or round-trip in-band connectivity.

B.

It tests the reachability of hosts that are using an SDP.

C.

It tests the reachability of the far-end IP address of an SDP through its tunnel.

D.

It can be used by specifying only an SDP ID.

Questions # 142:

Which of the following is NOT a benefit of "Hub and Spoke'' VPLS deployments?

Options:

A.

They reduce the number of SDPs that need to be configured.

B.

They can be used to work around physical topologies that prevent a fully meshed deployment.

C.

They prevent loops that can be introduced by mesh deployments.

D.

They can simplify the implementation of security policy enforcement and packet inspection.

Questions # 143:

Consider an E-pipe service configured with SAP 1/1/1:5 and SAP 1/1/1:6. If the SAP 1/1/1:5 accepts an ingress frame, which of the following is TRUE?

Options:

A.

The frame egresses from 1/1/1:6 with no VLAN tag.

B.

The frame egresses from 1/1/1:6 with VLAN tag 5.

C.

The frame egresses from 1/1/1:6 with VLAN tag 6.

D.

The frame egresses from 1/1/1:6 with an inner VLAN tag of 5 and an outer VLAN tag of 6.

Questions # 144:

What is the best approach of making MTUs match between a VPLS and a spoke IES in order to bring up the service?

Options:

A.

Change the service MTU of the VPLS to match the IES.

B.

Set the ip-mtu of the IES service to match the service MTU of the VPLS service.

C.

Change the MTU of the SDP attached to the VPLS to match the service MTU of the VPLS.

D.

Set the DNF flag on the IES service.

Questions # 145:

Which of the following about transport tunnels used by services is FALSE?

Options:

A.

A transport tunnel can carry many service tunnels.

B.

The transport label is unchanged throughout the transport network.

C.

A single network port can carry more than one transport tunnel.

D.

Both MPLS and GRE transport tunnels use a service label.

Questions # 146:

Which of the following best describes how a MAC FDB is populated in a VPLS service?

Options:

A.

A VPLS service does not use a MAC FDB.

B.

The router reads the destination MAC address of frames passing through the service.

C.

The router reads the source MAC address of frames passing through the service.

D.

The router uses reverse ARP (RARP) to resolve the MAC addresses for unknown destinations.

E.

The router is programmed with MAC addresses by the network administrator.

Questions # 147:

An SDP using GRE encapsulation is configured for an E-pipe service. The network port used by the SDP has an MTU of 8000. What value does the SDP path MTU have by default on an Alcatel-Lucent 7750 SR?

Options:

A.

7958

B.

7978

C.

8022

D.

8042

Questions # 148:

A Cpipe supports both structured and unstructured frames.

Options:

A.

TRUE

B.

FALSE

Questions # 149:

Which of the following statements is TRUE regarding service mirroring?

Options:

A.

Mirror slicing is used to logically separate a port that is being monitored.

B.

Mirror slicing configuration is earned out in the mirror destination.

C.

By default, mirror slicing is enabled so that only the protocol headers of data traffic are replicated to a mirror port.

D.

The maximum number of mirror slices that can be made on a network and access port are 256 and 8, respectively

Questions # 150:

Consider a network that has four PE routers. If a customer wants a VPLS that has sites on only three of the PEs, how many mesh SDPs need to be configured for this service?

Options:

A.

3

B.

4

C.

6

D.

12

Questions # 151:

By default, what does the Alcatel-Lucent 7750 SR do when a frame with an unknown destination address is received in a VPLS?

Options:

A.

It drops the frame.

B.

It floods the frame to all PEs participating in the service.

C.

It sends a destination unreachable message back to the originating host.

D.

It sends the frame to the closest neighbor.

Questions # 152:

Which of the following about F-pipes is FALSE?

Options:

A.

F-pipes use SAPs in the form of port: DLCI (e.g. 1/2/3:65).

B.

To the customer, the PE appears as a native Frame Relay UNI (User Network Interface).

C.

Multiple Frame Relay circuits can be mapped to a single F-pipe service on the Alcatel-Lucent 7750 SR.

D.

The MPLS control word is required because the Frame Relay header is not encapsulated in the frame.

Questions # 153:

Which command provides a summary status of the VPLS service 100?

Options:

A.

show service id 100 base

B.

show service vpls 100

C.

show service vpls 100 summary

D.

show service vpls 100 all

E.

None of the above.

Questions # 154:

Click the exhibit.

Question # 154

The two PEs are providing 6VPE and IPv4 VPRNs. The core network is IPv4/MPLS. Which of the following is the BGP family configuration for the MP-BPG on the PEs?

Options:

A.

family ipv4 ipv6

B.

family vpn-ipv4ipv6

C.

family vpn-ipv4 vpn-ipv6

D.

family ipv6 vpn-ipv6

Questions # 155:

Which of the following about the Alcatel-Lucent 7750 SR svc-ping, when used in-band, is FALSE?

Options:

A.

It will show the hops taken between service endpoints.

B.

It will test the delay across the service.

C.

It will test the SDPs of a service in both directions.

D.

It will test the round-trip connectivity of the service.

Questions # 156:

Click the exhibit.

Question # 156

Based on this output from PE router R1, how many other PEs are participating in the VPRN?

Options:

A.

0

B.

1

C.

2

D.

3

Questions # 157:

Which of the following about VPRN route targets is FALSE?

Options:

A.

A route target is used to distinguish to which VRF table a prefix belongs.

B.

A route target appended to an IPv4 prefix produces a VPN-IPv4 prefix.

C.

Multiple route targets can be part of a single MP-BGP update.

D.

Route targets must be configured for VPRNs.

Questions # 158:

In a Layer 2 encapsulation using T-LDP, what does the second (bottom) label represent?

Options:

A.

Tunnel Label

B.

VC Label

C.

Operational Control Word

D.

VPI

E.

VCI

Questions # 159:

Which of the following about VPRNs is TRUE?

Options:

A.

Customers must use the same routing protocol as the service provider.

B.

Customers belonging to the same VPRN service must use the same subnet.

C.

Service providers only need to perform configurations on the PEs to add additional VPRNs.

D.

For each VPRN, only one customer can be connected at each PE.

Questions # 160:

Which of the following about Hierarchical VPLS is FALSE?

Options:

A.

They allow a VPLS to scale more easily.

B.

They use mesh SDPs to connect smaller VPLSes together.

C.

They allow a service to span multiple metro networks.

D.

They simplify the configuration required when adding new PEs.

Viewing page 8 out of 13 pages
Viewing questions 141-160 out of questions
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