Cisco Gateway Gatekeeper (GWGK)

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Cisco Gateway Gatekeeper (GWGK)

A Cisco voice gateway is connected to the PSTN via an analog line. How can the gateway be configured to support caller ID?

using MGCP and an FXO port to the PSTN ✘ using H.323 and an FXO port to the PSTN ✘ using MGCP and an FXS port to the PSTN ✘ using H.323 and an FXS port to the PSTN ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

When a gatekeeper cluster is deployed, how does a gatekeeper in the cluster indicate to a gateway that it should register with an alternate gatekeeper?

It sends an ARJ or RRJ message containing instructions to use the first member of the alternate gatekeeper list provided by the gatekeeper. ✘ It sends an ARJ or RRJ message containing the IP address of the alternate gatekeeper that the gatewayshould attempt to register with to complete the call.

✘ It sends an ARJ or RRJ message accompanied by an ordered list of alternate gatekeepers the gatewayshould attempt to register with. ✘ It sends an ARJ or RRJ, which triggers the automatic re-registration of the gateway with the first gatekeeperin the alternate gatekeeper list. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

A gateway is going to provide media resources useable by three different Cisco Unified CallManager clusters. Which Cisco IOS structure makes this possible?

applications ✘ service types ✘ port numbers ✘ profiles ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

How can you configure an MGCP gateway so that it is controlled by the Cisco Unified CallManager?

Use the mgcp-gateway voip srcadd gateway command to bind the gateway to the Cisco Unified CallManager. ✘ Configure the MGCP gateway in the Cisco Unified CallManager; the gateway will automatically be sent aconfiguration. ✘ Use the telephony-service ccm-compatible gateway command to enable the Cisco Unified CallManager tocontrol the gateway. ✘ The Cisco Unified CallManager and the MGCP gateway are peers; the Cisco Unified CallManager does notcontrol MGCP gateways. ✔ Configure the gateway on the Cisco Unified CallManager, configure the gateway for MGCP, and define theCisco Unified CallManager as the call agent on the gateway. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

If a via-zone is created for a gatekeeper, enabling it to support an IP-IP gateway, are the functions of the gatekeeper dedicated to the via-zone?

Yes, once the gatekeeper is configured for the via-zone it is dedicated to the via-zone ✘ Yes, but the via-zone gatekeeper can still communicate with other gatekeepers ✘ No, the gatekeeper can either be dedicated to the via-zone or support both the via-zone and other zonessimultaneously ✘ No, the gatekeeper can support the via-zone and still function as a directory gatekeeper ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

You have a client who is planning to implement a toll bypass service for the PBXs. The organization has four locations and the PBXs are a mixture of QSIG- and non-QSIG-capable devices. Which type of services will be available between a QSIG and a non-QSIG PBX?

The supplementary services on the non-QSIG PBX will be available to both devices. ✘ Only basic calls that do not require supplementary services are supported. ✘ The supplementary services supported by the QSIG PBX will be terminated by the gateway and translatedto the non-QSIG PBX. ✘ The gateway will translate all the supplementary services for both PBXs. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

You have a client who is designing a gateway solution for an IP communications network. The T1 needs to support ANI for both incoming and outgoing calls.How should the gateway be configured?

Configure an MGCP gateway so that there are two DS-0 groups on the T1 from the PSTN, one to send ANI and one to receive ANI. ✘ Configure an H.323 gateway so that there are two DS-0 groups on the T1 from the PSTN, one to send ANIand one to receive ANI. ✘ Configure an MGCP gateway so that there is a single DS-0 group on the T1 to the PSTN, to both send andreceive ANI. ✘ Configure an H.323 gateway so that there is a single DS-0 group on the T1 to the PSTN, to both send andreceive ANI. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

When an IP-to-IP gateway registers with a gatekeeper, what type of endpoint is the gateway listed as?

VOIP ✘ IP-IP ✘ gateway ✘ H323-GW ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which two statements are correct descriptions of bandwidth management and bandwidth control? (Choose two.)

Bandwidth management is an H.323 optional function and bandwidth control is a mandatory function. Bandwidth management manages endpoint bandwidth requirements and bandwidth control provides calladmission control. Both bandwidth management and bandwidth control are H.323 mandatory functions. Bandwidth management provides call admission control and bandwidth control manages endpointbandwidth requirements. Bandwidth management manages endpoint bandwidth and provides intrazone call admission control, whilebandwidth control provides interzone call admission control.

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

How can you configure an H.323 gateway so that it is controlled by the Cisco Unified CallManager?

Configure the gateway on the Cisco Unified CallManager, and it will automatically configure the gateway. ✘ Use the H.323-gateway voip srcadd gateway command to bind the gateway to the Cisco UnifiedCallManager. ✘ Use the telephony-service ccm-compatible gateway command to enable the Cisco Unified CallManager tocontrol the gateway. ✘ The Cisco Unified CallManager and the H.323 gateway are peers. The Cisco Unified CallManager does notcontrol H.323 gateways. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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