642-437 試験問題を無料オンラインアクセス

Which four interworking call flows are associated with a Cisco Unified Border Element using media flow-around? (Choose four.)

• A.SIP early offer to H.323 fast start
• B.SIP delayed offer to SIP delayed offer
• C.SIP early offer to SIP delayed offer
• D.H.323 slow start to SIP delayed offer
• E.H.323 fast start to H.323 slow start
• F.H.323 fast start to H.323 fast start

Which statement is true for an ephone-dn that has no COR applied?

• A.Calls can be made from this ephone-dn only to another ephone-dn on the local router.
• B.Calls can be made from this ephone-dn to all possible numbers from the local router.
• C.Calls can be made from this ephone-dn only to external numbers.
• D.Calls cannot be made from this ephone-dn.

Refer to the exhibit.

Cisco 642-437 Exam
When an inbound PSTN call from 4087071222 arrives at the ISDN port that is shown in the exhibit, which dial peer will be matched for the inbound leg?

• A.The matching inbound dial peer will be selected at random.
• B.Dial-peer 2123, because answer-address takes precedence over incoming called-number.
• C.Although dial-peer 123 takes precedence, there is no direct-inward-dial that is configured, therefore 2123 will be selected.
• D.Although dial-peer 123 takes precedence, there is no port that is configured under dial-peer 123, therefore dial-peer 2123 will be selected.
• E.Dial-peer 123, because incoming called-number takes precedence over answer-address.

What is the total bandwidth per call in a link, if you use a G.729 (high-complexity codec) with a 40byte sample and Frame Relay with cRTP?

• A.11,200
• B.7,420
• C.9,600
• D.19,200

What is the command sequence to configure an FXS port as a signal loop-start?

• A.router(config)# voice-port slot/port router(config-voiceport)# signal loopstart
• B.router(config)# voice-port slot/port router(config-voiceport)# signal groundstart
• C.router(config)# voice-port slot/port router(config-voiceport)# signal loopstart router(config-voiceport)# shutdown router(config-voiceport)# no shutdown
• D.router(config)# voice-port slot/port router(config-voiceport)# signal groundstart router(config-voiceport)# shutdown router(config-voiceport)# no shutdown