Cisco CCIE Voice Written

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Cisco CCIE Voice Written

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 acceptable QoS on theterminating 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.

Calculate the percentage of overall bandwidth saved (at Layer 3) by cRTP for a G.711 VoIP call packetized at 50 pps.

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.

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

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

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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.

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 of the following is true about the 802.1q frame header?

In an Ethernet frame after the source address, 6 bytes 802.1Q header is included, which contains 32 bits for
the tag protocol ID, 3 bits for the priority field, 1 bit for the canonical field (always 0), and 12 bits for the
VLAN identifier. ✘ In Ethernet frame after the source address, 4 bytes 802.1Q header is included, which contains 16 bits forthe tag protocol ID, 3 bits for the priority field, 1 bit for the canonical field (always 0), and 12 bits for the
VLAN identifier. ✘ 802.1q frame is inserted at the beginning of Ethernet frame. Size of 802.1q frame is 4 bytes. ✘ 802.1q frame is inserted inside the actual Ethernet frame. In other words, it is inserted after Source Addressin the Ethernet frame. Size of 802.1q frame is 26 bytes. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

PassGuide.com-Make You Succeed To Pass IT Exams PassGuide 350-030 IP phones A (extension 1001), B (extension 1002), and C (extension 1003) are registered to the CME system and are able to call each other by dialing each others' extension numbers. However, when any of the phones attempt to transfer a call to any of the other phones they get a fast busy tone. How can the transfer issue be resolved? (Choose 2)

Upgrade the IP phone firmware with the latest version. Reset the phonesso that the transfer capability will work. Add this command under "telephony service" on the CME system: transfer-pattern 1 . . . or transfer-pattern .. . ' Add this command under "telephony-service" on the CME system: transfer-system full-consult

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Company CADORNA's INC. is planning a deployment of Cisco IP Telephony using the Centralized Call Processing model. The company has 1 HQ and 25 branches in a hub and spoke configuration. In the design phase, they are wondering if they will need to implement Software or Hardware Media Termination Points (MTP) in their networks. Which of these functions are related to Hardware MTPs?

Transcoding from A-Law to Mu-Law. Bridge two connections that utilize different packetization periods (different packet sizes). RFC2833 Support for SIP Trunks. They are suited for multi-site deployments, where transcoding is not required. All low bit-rate (LBR) calls must be transcoded prior to joining the conference call

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

In CME, which command/debug will show MAC Address, IP Address, DN and Phone Model of phones that are registered/while registering? (Choose 2) PassGuide.com-Make You Succeed To Pass IT Exams PassGuide 350-030

debug ephone detail show ephone-dn show ephone show ephone-dn registered debug ephone register

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

An access-layer Cisco Catalyst 3550 is configured with voice and data VLANs. All QoS settings have been left at factory defaults, with two exceptions only:

Voice: DSCP 40 Call-Signaling: DSCP 24 Data: DSCP 0 ✘ Voice: DSCP 46 Call-Signaling: DSCP 24 Data: DSCP 0 ✘ Voice: DSCP 40 Call-Signaling: DSCP 24 Data: DSCP 48 ✘ Voice: DSCP 46 Call-Signaling: DSCP 24 Data: DSCP 46 ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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Cisco CCIE Voice Written

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