Chapter Review Questions


1.

From the following list, identify three gateway control protocols.

  1. H.323

  2. SIP

  3. RTP

  4. MGCP

2.

What H.323 component is responsible for performing a "capabilities exchange" between H.323 terminals?

  1. H.225

  2. T.120

  3. H.245

  4. G.711

3.

Which H.323 devices prevent bandwidth oversubscription on the WAN?

  1. Terminals

  2. Gateways

  3. Gatekeepers

  4. MCUs

4.

What message does an H.323 gateway send to an H.323 gatekeeper to request admission to the WAN?

  1. ARQ

  2. ACF

  3. ARC

  4. LRQ

5.

Logical pieces of an MGCP network are called ________.

  1. MGCP terminals

  2. MGCP components

  3. MGCP gateways

  4. MGCP concepts

6.

Which of the following is considered an MGCP component?

  1. Call

  2. Call agent

  3. Event

  4. Signal

7.

In a Cisco IP telephony network, what acts as an MGCP call agent?

  1. Cisco CallManager

  2. Cisco Unity

  3. Cisco voice-enabled router

  4. Cisco voice-enabled switch

8.

Which SIP component initiates a SIP connection by sending an INVITE message?

  1. UAS

  2. UAC

  3. SIP proxy server

  4. SIP redirect server

9.

Identify the SIP server that informs the UA of the next server to contact.

  1. SIP proxy server

  2. SIP redirect server

  3. SIP location server

  4. SIP registrar server

10.

What are the two types of SIP messages?

  1. Event

  2. Request

  3. Signal

  4. Response




Voice over IP First-Step
Voice over IP First-Step
ISBN: 1587201569
EAN: 2147483647
Year: 2005
Pages: 138
Authors: Kevin Wallace

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