Cisco CCIE Voice Written Set 6

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Cisco CCIE Voice Written Set 6

When using RSVP to dynamically set up end-to-end QoS across a heterogeneous network there are several QoS Levels that can be configured on the Originating and Terminating Gateway. Which of the following statements correctly describe the difference between these three QoS Levels: Controlled-Load, Guaranteed- delay and Best-effort? (Choose 3)

With Controlled-load QoS Level; if synchronized RSVP is attempted and fails, the call is released. With Controlled-load QoS Level; if synchronized RSVP is attempted and fails, the call receives best-effortservice. With Best-effort QoS Level; no RSVP synchronization is attempted and the call receives best-effort service. With Guaranteed-delay QoS Level; if synchronized RSVP is attempted and fails, if PassGuide.com-MakeYou Succeed To Pass IT Exams PassGuide 350-030 acceptable QoS on the terminating gateway is Controlled-Load or Guaranteed-delay, the call receives best- effort service. With Guaranteed-delay QoS Level; if synchronized RSVP is attempted and fails, if acceptable QoS on eithergateway is anything other than best effort, the call is released.

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

What occurs if the system clocks are not synchronized between the sender and receiver of an RTP stream?

Packets can be placed in sequence but jitter cannot be compensated for. ✘ Packets cannot be reordered for sequence and jitter cannot be compensated for. ✘ Jitter can be compensated for, but packets cannot be reordered if they arrive out of sequence. ✘ Packets may be reordered and jitter may be compensated for as the timestamp is not related to the systemtime. ✔ When the RTP stream is opened, the sender and receiver synchronize their clocks before the streamcommences so that packet sequencing and dejitter will function correctly. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

The gatekeeper configurations are shown as entered by the administrator. The gatekeepers are not functioning correctly. What are possible problems? (Choose 2) PassGuide.com-Make You Succeed To Pass IT Exams PassGuide 350-030

The 'bandwidth' commands are incorrect. The 'zone prefix' commands are incorrect. The 'gw-type-prefix' commands are incorrect. The gatekeeper functions have not been activated. The 'zone local' and 'zone remote' commands are incorrect.

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which port(s) must be opened on an IOS firewall to allow successful MGCP (Media Gateway Control Protocol) message exchanges between a CallManager and an IOS MGCP PRI gateway?

TCP 2000 and TCP 2002 ✘ TCP 2427 and UDP 2428 ✘ UDP 2427 ✘ UDP 2427 and UDP 2428 ✔ UDP 2427 and TCP 2428 ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

An IP Phone appears to be registered to the Cisco CME system in "show ephone registered". However, it can not make any outgoing calls, nor can it receive any incoming calls. When you pick up the handset or press the
speaker button of the IP phone, you do not get a dial tone. Which would be LEAST helpful in solving the problem?

Ensure that the IP Phone is set to use the right CME system as the TFTP server ✘ Ensure that the IP Phone is registered to the right CME system by pressing Configuration -> NetworkConfiguration -> TFTP server on the phone ✘ Ensure that the IP Phone is set with the right time/date information ✘ Enure that the IP Phone shows at least an extension assigned to any buttons ✔ Ensure that a 'button' command exists to associate a button with a configured ephone-dn in ephoneconfiguration section. Add the 'button' command if needed ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Suppose the following command is configured in a gatekeeper: "bandwidth total default 64'.
Which statement would be TRUE?

This gatekeeper will admit up to 64 calls, regardless of the codec used. ✘ This gatekeeper will not admit any calls because all calls initially account of 128Kbps. ✘ This gatekeeper will admit a minimum of 4 calls using G.729 codec. ✘ This gatekeeper will admit up to 4 calls using G.729 codec. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which three of the following statements regarding implementing Unity in an existing Domino environment are correct? (Choose 3)

Unity must be a domain controller or a member of a Windows domain. Unity can be installed on the Domino server if there are less then 1000 mailboxes. The Domino server that Unity communicates with must be in the same Windows domain as Unity. TAPI Service Provider (TSP) server component is only required on the partner Domino server. One Unity server can service up to five Domino servers in a single Domino domain.PassGuide.com-Make You Succeed To Pass IT Exams PassGuide 350-030

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

A single Unity server is being deployed to provide voicemail for multiple CallManager Express systems. One
CallManager Express is colocated with the Unity server and the rest are connected via a WAN. Which of the following best describes how to configure the remote CallManager Express systems so calls can be forwarded to the central Unity server?

Each remote CallManager Express system is defined as a CallManager cluster in the Unity server. ✘ Each remote CallManager Express is configured with ephones which register with dedicated ports in theUnity server. ✘ Each remote CallManager Express is configured with a VoIP dial peer for each port assigned to it in Unity. ✘ The remote CallManager Express systems are configured with a VoIP dial peer that directs calls to the Unitypilot number to the central CallManager Express. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Calculate the percentage of overall bandwidth saved (at Layer 2) by cRTP for a G.729 VoIP call packetized at 50 pps running over a MLP link.

Approximately 60% ✘ Approximately 50% ✘ Approximately 40% ✘ Approximately 30% ✔ Approximately 20% ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

You have a CallManager with a software conference bridge. When users try to use the conference bridge they get the error "No conference bridges available". Which of the solutions will resolve this issue?

The CallManager needs to be stopped and restarted for the conference bridge to register. ✘ The IP voice media streaming application needs to be started on the CallManager for the conference bridgeto register. ✘ The DSP conference resources on the IP gateway are improperly configured and will need to be deletedand reconfigured. ✘ The software conference bridge requires external DSP resources to be configured for this service tooperate correctly. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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Cisco CCIE Voice Written Set 6

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