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Viewing questions 81-100 out of questions
Questions # 81:

Click the exhibit.

Question # 81

R1 and R4 are providing a VPRN for the CEs. Which of the following about the traceroute run on router R5 is TRUE?

Options:
A.

The traceroute will only show one hop: R5-R6.

B.

The traceroute will only show 2 hops; R5-R1 and R4-R6.

C.

The traceroute will only show 3 hops: R5-R1, R1-R4 and R4-R6.

D.

The traceroute will show one hop for each router in the provider core and one for each CE-PE hop.

Questions # 82:

When a tagged packet is received on a SAP configured with dot1q encapsulation, the VLAN tag must match the value configured on the SAP in order to be forwarded.

Options:
A.

TRUE

B.

FALSE

Questions # 83:

The SAP 1/1/1:2.3 receives an untagged Ethernet frame. Which of the following is TRUE?

Options:
A.

The frame is dropped.

B.

VLAN tags 2 and 3 are added to the frame.

C.

Only outer VLAN tag 2 is added.

D.

Only inner VLAN tag 3 is added.

Questions # 84:

Which of the following about the VPRN data plane is TRUE?

Options:
A.

A packet receives a service label and a transport label at the ingress PE.

B.

A packet has its service label swapped at each P router.

C.

The egress PE pops the service label, and the transport label is forwarded.

D.

The service label is popped by the remote CE.

Questions # 85:

The SAP 1/1/1:2.3 receives an Ethernet frame with outer VLAN tag 5 and inner VLAN tag 3. Which of the following is TRUE?

Options:
A.

The frame is dropped.

B.

The frame's outer tag is changed to match the SAP, and it is accepted.

C.

The frames outer tag is dropped, and the frame is accepted.

D.

The frame's tags are removed, and the frame is accepted.

Questions # 86:

On an Alcatel-Lucent 7750 SR, what is the recommended approach for making sure that MTUs between a VPLS and its spoke IES termination match?

Options:
A.

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

B.

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

C.

Set the SDP MTU of the IES to match the SDP MTU of the VPLS.

D.

Set the MTU of the IES's network port to match the service MTU of the VPLS.

Questions # 87:

What must be configured before a SAP can be created on an E-pipe?

Options:
A.

The Ethernet port must be set to network mode, and the service must have a spoke SDP.

B.

The Ethernet port must be set to network mode.

C.

The Ethernet port must be set to access mode.

D.

The Ethernet port must be set to access mode, and the service must have a spoke SDP.

Questions # 88:

Which of the following about SDPs is FALSE?

Options:
A.

An SDP is not required for a local service.

B.

A single SDP can carry different types of services.

C.

An SDP can simultaneously support GRE and MPLS encapsulation.

D.

An SDP can use the system IP address to indicate the far-end router.

Questions # 89:

Which of the following best describes the label stack for a packet in the VPRN context?

Options:
A.

An outer label and a transport label.

B.

An inner label and a service label.

C.

A transport label and a service label.

D.

An MPLS transport label

Questions # 90:

Which of the following about the Alcatel-Lucent 7750 SR sdp-ping is TRUE?

Options:
A.

It tests the IGP reachability of the far-end IP address of an SDP.

B.

It tests that the MTU settings of a service are correct.

C.

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

D.

It tests the reachability of hosts connected to an SDP.

Questions # 91:

A network consists of four PE routers. A customer requires a VPLS and has sites connected to each PE. The VPLS is fully meshed using IP/MPLS. How many SDPs must be configured on each PE?

Options:
A.

3

B.

4

C.

6

D.

8

Questions # 92:

Which of the following about VPLS MAC learning is TRUE?

Options:
A.

Mesh SDPs assist MAC learning by flooding traffic to other mesh SDPs.

B.

A PE keeps a single FDB for all VPLSes it has.

C.

Frames received on a SAP that are broadcast, multicast or unknown are flooded.

D.

The FDB only stores the MAC addresses of remote sites.

Questions # 93:

Which of the following about route distinguishes on the Alcatel-Lucent 7750 SR is TRUE?

Options:
A.

Route distinguishes are appended to IPv4 prefixes to form IPv6 prefixes.

B.

CE routers use a route distinguisher to indicate which VPRN they are associated to.

C.

A route distinguisher combined with an IPv4 prefix produces a VPN-IPv4 prefix.

D.

Route distinguishes are used to determine which routes a VPRN should import.

Questions # 94:

Which of the following about IES is TRUE?

Options:
A.

An IES requires a spoke SDP.

B.

A virtual route table must be configured for an IES service.

C.

An IES service must use static routes to communicate with customer networks.

D.

An IES must have at least one SAP defined.

Questions # 95:

By default, what does a PE do to support VPLS services for different customers? (Choose 2)

Options:
A.

MAC learning.

B.

Maintain a different Forwarding Data Base for each service

C.

ARP mediation.

D.

Maintain a different Routing Information Base for each service.

Questions # 96:

Click the exhibit. This output is from router R4. Service 333 is a VPLS. Why might the peer 10.10.10.1 have the same value for IngLbl and EgrLbl?

Options:
A.

The labels are of local significance only, so other routers can use the same value.

B.

10.10.10.1 has yet to send its own unique label.

C.

Router R4 is using the same tunnel to send and receive to 10.10.10.1.

D.

The service on 10.10.10.1 is down, so it is rejecting packets.

Questions # 97:

Click the exhibit.

Question # 97

Which tool produced this output?

Options:
A.

mac-trace

B.

svc-ping

C.

Isp-trace

D.

traceroute

Questions # 98:

Which of the following statements best describes the main difference between an Ipipe and an Epipe interworking?

Options:
A.

An Ipipe is a point-to-point Layer 2 VPN capable of only carrying Ethernet payloads. An Epipe interworking refers to the transportation of ATM/FR traffic over an Epipe.

B.

An Ipipe is used for performing Ethernet interworking with ATM/FR/PPP using bridged-PDUs. An Epipe interworking is used for performing Ethernet interworking with ATM/FR/PPP using routed-PDUs.

C.

An Ipipe is used for performing Ethernet interworking with ATM/FR/PPP using routed-PDUs. An Epipe interworking is used for performing Ethernet interworking with ATM/FR/PPP using bridged-PDUs.

D.

None of the above.

Questions # 99:

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 # 100:

Consider an E-pipe service configured with SAP 1/1/1:5 and SAP 1/1/1:6.7. If the SAP 1/1/1:5 accepts an ingress frame, which of the following is TRUE?

Options:
A.

The frame egresses 1/1/1:6.7 with an outer VLAN tag of 6 and inner tag of 7.

B.

The frame is dropped at the egress SAP 1/1/1:6.7.

C.

The frame egresses 1/1/1:6.7 with VLAN tag 5.

D.

The frame egresses 1/1/1:6.7 with VLAN tag 6.

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Viewing questions 81-100 out of questions