Cisco Gateway Gatekeeper (GWGK) Set 1

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Cisco Gateway Gatekeeper (GWGK) Set 1

Bob's Bicycles wants to route inbound faxes directly to the recipient's e-mail. Which gateway fax protocol will support this?

Fax Pass-Through ✘ Fax Relay ✘ T.37 ✘ T.38 ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which issue found in CAS T1s can be eliminated by converting to PRI?

PSTN switch type mismatches ✘ voice quality issues involving robbed bits ✘ the inability to send and receive ANI on all DS0s ✘ long call setup due to few signaling bits per frame ✔ outgoing call channel order mismatch (descending vs. ascending) ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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.

ACME Widgets has several geographically dispersed call centers. Calls come into the central location on H.323 gateways, and are forwarded across WAN links to the correct call centers using G.729 codecs. IVR devices in the call centers are not correctly interpreting digits entered by callers. What can be done to solve this problem?

use a DTMF relay to send the digits out of band ✘ adjust the DTMF inter-digit timer on the gateway ✘ use a transcoder to convert the calls to G.711 at the call center ✘ hairpin calls back through the PSTN to the appropriate call center ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

The following Cisco IOS voice translation rule is entered:

voice translation-rule 1
rule 1 /^91\(360\)\(.+\)/ /9\2/

What will be the result if the rule is tested with the number 9-1-360-269-1212 (without the hyphens)?

991 ✘ 9360 ✘ 91360 ✘ 92691212 ✔ 913601212 ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

If an endpoint sends the digit string "2125551212" to a gatekeeper that contains the following configuration, what will happen next?

gatekeeper
zone local SJ acme.com 192.168.1.1
zone remote NY acme.com 172.16.1.100
zone prefix SJ 408*
zone prefix NY 212.......
no shut

The gatekeeper will send an LRQ to the gatekeeper that controls the NY zone and return a RIP RASmessage to the endpoint. ✘ An ACF will be returned to the endpoint instructing it to set up a call with the endpoint that uses the IPaddress contained in the ACF. ✘ An ARJ will be returned to the endpoint because the gatekeeper is unable to match all the digits. ✘ The call will be routed to the gateway registered with the gatekeeper that controls the NY zone. ✔ The call will be routed to the PSTN. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which codec complexity should be configured to maximize the number of simultaneous voice calls that can be supported by a PVDM2-16?

Flex ✘ Low ✘ Medium ✘ High ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which gatekeeper will a gateway register with when using the following command syntax?

!
interface FastEthernet 0/1 ip address 192.168.2.9 255.255.255.0 h323-gateway voip interface
h323-gateway voip id GK-East1 multicast priority 1
h323-gateway voip h323-id BOS
!

The gateway will attempt to register with the first gatekeeper in the East zone that replies, since the priority
is set to 1. ✘ The gateway will attempt to register with the GK-East1 zone, since it has the highest priority. ✘ The gateway will attempt to register with the first gatekeeper that has the same priority number in the RCFmessage. ✘ The gateway will attempt to register with the first gatekeeper in the East zone that replies, and then willattempt to register with GK-East1. ✔ The gateway will attempt to register with the BOS zone. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

The Acme Corporation network contains gateways, gatekeepers, and a directory gatekeeper. If a gatekeeper containing the following configuration receives the digit string "2125551212" from an endpoint, what will the gatekeeper do next?

gatekeeper
zone local SJ acme.com 192.168.1.1
zone remote DGK acme.com 172.16.1.100
zone prefix SJ 408*
zone prefix DGK *
no shut

send an ACF back to the endpoint instructing it to set up a call with the gateway registered with the SJ
gatekeeper ✘ send a call setup message to the gateway registered with DGK ✘ send an ARJ message to the endpoint because the gatekeeper is unable to match all the digits ✘ send a call setup message to the gateway registered with the gatekeeper that controls the NY zone ✔ send an LRQ message to DGK to resolve the call routing ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

Which statement accurately describes the amount of bandwidth required for a fax call using fax pass-through when packet redundancy is not enabled?

The fax call uses the same amount of bandwidth as a G.711 voice call. ✘ The fax call uses the same amount of bandwidth as a G.729 voice call. ✘ The fax call uses 20% more bandwidth than a G.711 voice call because the fax sample size is smaller. ✘ The fax call uses 20% more bandwidth than a G.729 voice call because the fax sample size is smaller. ✔ The fax call uses 20% more bandwidth than a G.711 voice call because the fax sample size is larger. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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Cisco Gateway Gatekeeper (GWGK) Set 1

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