Cisco-CCIE Service Provider WAN SwiCisco CCIE Service Provider WAN Switching Recertificationtching Recertification Exam Set 3

1.

What type of signaling is most relevant to ATM networks supports SVCs?

H.323 Q.2931 ETSI.761 G.723

2.

With regard to PNNI: (multiple answer)

For interoperability, PNNI standardizes how each node should perform CAC. A PTSE might be triggered when a node accepts a connection. A border node is a node that has at least one link that crosses its peer group boundary. The AESA selector octet is ignored by PNNI routing. As part of the hello protocol, a PNNI node will advertise its newest and oldest version of PNNI versions thatare supported by the node.

3.

When using Frame Relay network interworking, what is true for the Switch that performs the Interworking Function?

One side uses native Frame Relay (IETF) and the far side uses native ATM with SNAP or NLPID
encapsulation. Both sides use native Frame Relay One side expects frames and the other side expects Frame Relay frames segmented into ATM cells (FR-SSCS). There is no such things as Frame Relay network interworking.

4.

Typically, if a 1024 byte AAL5 SDU is segmented and sent as an unconforming burst towards the switch configured as PPD, what cell reaches the far end?

Only the first cell makes it through. Only the last cell makes it through. All of the cells make it through, but they have the DE bit set. None of the above.

5.

In MPLS, what is an LSP?

Label Selection Pair Label Switched Path Lightweight Signaling Protocol Large Sampling Path

6.

If two time-stamped FastPackets fit into one ATM cell, how many bytes will be allocated to header overhead?

5 bytes 11 bytes 13 bytes 15 bytes

7.

In order to avoid loops when sending routing updates, what is the correct technique to prevent a network from being forwarded on the same interface it is learned?

Poison Reverse The use of access-lists used with distribute-list Split Horizon This is not a problem, since this cannot happen.

8.

What is true about Cisco IGX transmit queues for Frame Relay?

There is a queue for every Frame Relay connection going from the CPE to the Cisco IGX switch They do not apply to ForeSight connections. There is a queue for every Frame Relay port going from the Cisco IGX switch to the CPE. It is recommended that these queues be no larger than 100 bytes.

9.

The Hold-Down Timer used in Distance Vector protocols:

Sets the time limit of how long a router may keep a packet in its buffer, if the routing protocol is in the
process of converging. Determines the number of seconds a router will wait before sending another update to neighbor routers. Sets a specific period for routers to neither accept nor advertise a route from a destination where an originalroute was recently lost. Sets a duration where routes are not accepted from the neighbor router that caused a routing loop.

10.

What is not transported on a FastPacket-based trunk?

Non-time-stamped data Voice ATM data High-priority data

Cisco-CCIE Service Provider WAN SwiCisco CCIE Service Provider WAN Switching Recertificationtching Recertification Exam Set 3

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Cisco-CCIE Service Provider WAN SwiCisco CCIE Service Provider WAN Switching Recertificationtching Recertification Exam Set 3

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