Test your knowledge of dial peers, codecs, Call Manager Express, ATAs and more. This will help you prepare for the Cisco CCNA Voice IIUC 640-460 exam.

(Answers are at the end )

1) Which of the following is selected first for an incoming dial peer?

A) Answer-address B) incoming called-number C) destination-pattern D) pots port E) dial-peer 0

2) What is required to convert a G711ulaw call to G729?

A) Voice Termination resources B) Conferencing resources C) Converter resources D) Transcoding resources E) Gateway resources F) Gatekeeper resources

3) What is the maximum number of phones are supported on Call Manager Express?

A) 48 B) 28 C) 240 D) 500 E) 30000 F) 4

4) What protocol needs to be enabled on an ATA if a fax machine is connected to the ATA?

A) MGCP B) SCCP C) H323 D) SIP E) QSIG F) Q931

What protocol needs to be enabled on an ATA if an analog telephone is connected to the ATA?

A) MGCP B) SCCP C) H323 D) SIP E) QSIG F) Q931

Answers: 1)B – incoming called-number is the first choice when matching incoming dial-peers

2)D – Transcoding resources are required to convert G711ulaw to G729

3)C – the maximum number of phones supported on CME is 240 on a 3845 Cisco router (this has changed recently to 250, but the CCNA Voice course still sets this value at 240)

4)C – H323 needs to be enabled on the ATA if a fax machine is connected to the ATA.

5)B – SCCP needs to be enabled on the ATA if an analog telephone is connected to the ATA.

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