TestInside ccvp 642-452
Gateway Gatekeeper Exam (GWGK) : 642-452 Exam
Exam Number/Code: 642-452
Exam Name: Gateway Gatekeeper Exam (GWGK)
Questions and Answers: 60 Q&As
Price: $79.00
Update Time: 2008-7-3
“Gateway Gatekeeper Exam (GWGK)”, also known as 642-452 exam, is a Cisco certification.
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1.Highland Park Property Development is adding 200 agents to the IPCC call center. In order to handle the increased call volume, the company is ordering eight T1 PRIs from its provider. In order to keep the cost low, the provider is provisioning two D channels and two backup D channels.
Which gateway protocol should be used to support this? A. H.225.0
B. H.245
C. H.323
D. MGCP E. SCCP F. SIP
Ansewer:C
2.Which Call Admission Control method can be used for intercluster calls? A. Resource Reservation Protocol
B. gatekeeper resource availability indication
C. Cisco CallManager locations
D. gatekeeper zone bandwidth
E. advanced voice busyout
Ansewer:D
3.A service provider wants to add SIP devices to the existing H.323 voice network. Which Cisco device will allow the SIP devices to use the existing routing structure on the H.323 gatekeeper?
A. SIP voice gateway
B. Cisco SIP Proxy Server
C. Cisco SIP Redirect Server
D. Cisco SIP Registrar Server
Ansewer:B
4.Bob’s Bicycles wants to route inbound faxes directly to the recipient’s e-mail. Which gateway fax protocol will support this?
A. Fax Pass-Through
B. Fax Relay
C. T.37
D. T.38
Ansewer:C
5.Which two statements regarding Modem Relay are correct? (Choose two.) A. V.42 error correction must be enabled on both modems.
B. Modem Relay only is supported on H.323 and SIP gateways.
C. Modem Relay uses more bandwidth than Modem Pass-Through. D. Codec complexity must be set to “high.”
E. Modem Relay must be configured on all VoIP dial peers. Ansewer:AD
6.A customer is experiencing glare on the analog PSTN connections. Which action can resolve this problem?
A. Configure FXO modules for ground-start. B. Configure FXO modules for loop-start.
C. Upgrade to a CAS T1.
D. Change the channel selection order. Ansewer:A
7.Which two issues found in CAS T1s can be eliminated by converting to PRI? (Choose two.) A. glare
B. clock slips
C. framing errors
D. displaying calling names
E. displaying calling numbers
Ansewer:AD
8.The phone company is delivering circuits for a new VoIP deployment to connect to the PSTN. The circuits will support four simultaneous calls and provide the name and number of the calling party. Which interface type should be installed?
A. E&M B. FXO C. FXS
D. T1 CAS Ansewer:B
9.Which configuration would be used to support a company whose DID ranges come out of multiple area codes served by the same PSAP?
A. voice-port0/0 animapping0408 animapping1510 animapping2650 animapping3415 signalcamaKP-2-ST
B. voice-port0/0 animapping0408 animapping1510 animapping2650 animapping3415
signalcamaKP-NPD-NXX-XXXX-ST C. translation-rule 1
rule 1 ^408 0 rule 2 ^510 1 rule 3 ^650 2 rule 4 ^415 3 voice-port0/0
signalcamaKP-NPD-NXX-XXXX-ST
translate calling 1
D. translation-rule 1
rule 1 0 408 rule 2 1 510 rule 3 2 650 rule 4 3 415 voice-port0/0
signalcamaKP-2-ST
translate calling 1
Ansewer:B
10. Drag the SRST Failover step on the left to the order in which it is performed on the right.
Router queries phone about phone’s configuration
SRST failover step 1
IP phone fails to receive keepalive from its subscriber
SRST failover step 2
SRST Router autoconfigures
SRST failover step 3
SRST router performs call setup and processing
SRST failover step 4
Database all attached Cisco IP phones built
SRST failover step 5
Phones display “CM Fallback Operating”
SRST failover step 6
IP phone registers with local fallback router
SRST failover step 7
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