Cisco-CCIE Service Provider WAN SwiCisco CCIE Service Provider WAN Switching Recertificationtching Recertification Exam Set 1

1.

In Frame Relay, what devices resent packets that do not transmit correctly?

Digital transmission media cabled to monitor ports, as opposed to straight DCE signaling Network end stations Network switches running SNMP management software Special bridging devices within the backbone cloud

2.

Every time a typing mistake is made at the exec prompt of a router, the message from the router indicates a lookup is being performed. Also, there is a waiting period of several seconds before the next can be typed. Can
this behavior be changed?

No, this is a built in feature of Cisco IOS(r) software. Yes, use the no ip domain-lookup command. Yes, use the no ip helper-address command. Yes, use the no ip multicast helper-map command. Yes, use the no exec lookup command.

3.

What statement is true concerning the "Bursty Data B" queue?

It contains non-ForeSight Frame Relay data. It acts as overflow for the "Burst Data A" queue. It is the lower-priority bursty data queue. It contains ForeSight Frame Relay data.

4.

Which compression technique provides near toll quality sound using 8kbps?

Pulse Code Modulation Adaptive Differential Pulse Code Modulation Code Excited Linear Predictor It's impossible to achieve near toll quality using less than 64 kbps.

5.

EIGRP applies the principle of Feasible Successor (FS) in resolving a new path to a lost route. What statement regarding the FS is correct?

Information is stored for the FS as part of the Link-State Routing updated forwarded for EIGRP. EIGRP estimates the FS from each neighbor for each network after an exchange of database informationduring the normal update process. It uses this information for path selection when a route is lost. When EIGRP is notified that a route is lost, it will always send requests to each neighbor for ways to reachthe lost route. The neighbor that returns the best path will qualify as the FS. EIGRP nominates a central Router Certkiller As the FS for all lost routes during configuration.

6.

What best describes ADPCM?

It stands for Advanced Duplicate Packet Code Marking. It specifies no transmission of data during silent periods of voice conversation. It allows synchronous data to be carried over voice card technology. It compresses voice from 64K per channel to 32K, 24K or 16K per channel. It compresses voice from 64K to approximately 8K.

7.

Which pins are controlled by the DTE device?

CTS, RXD, DSR, RXC RTS, TXD, DTR, TXC CTS, RXD, CD, RXC RTS, TXD, DTR, XTC

8.

The time of day on the BPX command screen is determined by:

The time of day on the lowest-numbered node The time of day on the highest-numbered node A negotiated time amongst the nodes The time of day on the network management system

9.

In BGP, why should a Route Reflector be used?

To overcome issues of split-horizon within BGP To reduce the number of External BGP peers by allowing updates to reflect without the need to be fullymeshed To allow the router to reflect updates from one Internal BGP speaker to another without the need to be fullymeshed To divide Autonomous Systems into mini-Autonomous Systems, allowing the reduction in the number ofpeers None of the above

10.

The NNI specification defines communications between:

An ATM end system and an ATM switch Two ATM end systems An ATM device and a non-ATM device Two ATM switches from different carriers Two ATM switches

Cisco-CCIE Service Provider WAN SwiCisco CCIE Service Provider WAN Switching Recertificationtching Recertification Exam Set 1

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Cisco-CCIE Service Provider WAN SwiCisco CCIE Service Provider WAN Switching Recertificationtching Recertification Exam Set 1

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