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Viewing page 9 out of 13 pages
Viewing questions 161-180 out of questions
Questions # 161:

On which component is vc-type configured to create an E-pipe service that preserves the VLAN tag during transport?

Options:

A.

The SDP itself (outside of the epipe context).

B.

The SAP in the E-pipe.

C.

The mesh SDP in the E-pipe.

D.

The spoke SDP in the E-pipe.

Questions # 162:

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 # 163:

Which of the following MUST be identical for a service between two PEs?

Options:

A.

Customer ID

B.

SDP ID

C.

Service ID

D.

VC ID

Questions # 164:

On the Alcatel-Lucent 7750 SR, which of the following statements about MP-BGP used for a VPRN is TRUE?

Options:

A.

Routes from different customers with the same IPv4 address prefix are treated as equivalent by MP-BGP.

B.

MP-BGP will advertise routes to other BGP sessions on the same PE without the need of policies.

C.

The multi-protocol nature of MP-BGP allows VPRN routes to be converted into IPv4 routes in the provider core network.

D.

MP-BGP is an enhanced version of BGP that can carry customer route prefixes for multiple VPRNs.

Questions # 165:

Which of the following about an E-pipe terminating on a VPLS is FALSE?

Options:

A.

The VC-IDs used between the E-pipe and VPLS must match.

B.

The E-pipe must maintain a MAC FDB in order to connect to the VPLS.

C.

The service ID of the E-pipe can be different from that of the VPLS.

D.

The service MTU of the VPLS and E-pipe must match.

Questions # 166:

On a dot1Q encapsulated port, frames with a VLAN tag of 0 and untagged frames are forwarded to the null SAP

Options:

A.

TRUE

B.

FALSE

Questions # 167:

Which of the following comparisons between E-pipes and VPLSes is FALSE?

Options:

A.

They both function as a Layer 2 switch from the service provider's perspective.

B.

They both support SAP encapsulations of null, dot1Q and Q-in-Q.

C.

They both use SAPs as the demarcation point between the customer and the provider.

D.

MAC addresses are learned by VPLSes, but not by E-pipes.

Questions # 168:

Click the exhibit.

Question # 168

Which tool produced this output?

Options:

A.

ping

B.

Isp-ping

C.

traceroute

D.

Isp-trace

Questions # 169:

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.

Questions # 170:

On an Alcatel-Lucent 7750 SR, why must the MTU be explicitly set when configuring an IES spoke termination to a VPLS?

Options:

A.

By default, a VPLS signals an MTU based on the network port.

B.

By default, an IES sets its ip-mtu to the VC MTU of the VPLS.

C.

By default, an IES uses an MTU value based on its SAP.

D.

By default, an IES uses an MTU based on the network port.

Questions # 171:

Which of the following about VPRN route targets is FALSE?

Options:

A.

They are used to identify the VRF table for a prefix at the receiving PE.

B.

They are used by VPRNs to control the distribution of VPN routing information.

C.

They are distributed to all PEs and CEs that are part of the VPRN.

D.

They are distributed to PEs to identify the VRF table that a VPN-IPv4 prefix is associated with.

Questions # 172:

An E-pipe is configured with a service MTU of 5000. What is the minimum MTU value that should be set on an access port for a dot1q encapsulated SAP on this service?

Options:

A.

5000

B.

5004

C.

5008

D.

5014

Questions # 173:

Which one of the following commands on an Alcatel-Lucent 7750 SR can take a FEC as a parameter to verify if a packet for that FEC reaches the appropriate LER?

Options:

A.

ping

B.

sdp-ping

C.

svc-ping

D.

Isp-ping

Questions # 174:

Click the exhibit.

Question # 174

An operator at PE1 wants to analyze the traffic between CE1 and PE1 on SAP 1/1/3, On an Alcatel-Lucent 7750 SR, which of the following is NOT required as part of the configuration?

Options:

A.

A mirror source with a defined source type.

B.

A mirror source defined with an SDP destination.

C.

A mirror destination with a SAP defined.

D.

A mirror destination and a mirror source with the same service ID.

Questions # 175:

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 # 176:

A transport tunnel can either use an MPLS or GRE encapsulation.

Options:

A.

TRUE

B.

FALSE

Questions # 177:

On an Alcatel-Lucent 7750 SR, the OAM command 'svc-ping' can be used with options bcal-sdp' and 'remote-sdp'. Which of the following is TRUE?

Options:

A.

iocal-sdp' and 'remote-sdp' indicate that all services using these SDPs are pinged.

B.

'Iocal-sdp' and remote-sdp' indicate that pings are initiated from both local and remote routers.

C.

Both 'Iocal-sdp' and 'remote-sdp' take parameters to specify which SDPs are used for the test.

D.

'Iocal-sdp' indicates that the ping is sent in-band, and remote-sdp' indicates the return ping is in-band.

Questions # 178:

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 # 179:

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

Options:

A.

A VPLS service does not use an FDB.

B.

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

C.

The router reads the source MAC address of packets 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 # 180:

By default, how does a VPLS handle a tagged frame received at the ingress of a null SAP on an Alcatel-Lucent 7750 SR?

Options:

A.

The FCS is verified and kept in the customer frame. The VLAN tag is kept and transported over the 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 and transported over the network.

D.

The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network.

Viewing page 9 out of 13 pages
Viewing questions 161-180 out of questions
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