SIP and Cisco CallManager

Review Questions

You can find the solutions to these questions in Appendix A, "Answers to Review Questions."

1.

Which of the following represent an interface you would find on an analog gateway? (Choose two.)

  1. FXS

  2. E&L

  3. T1

  4. FXO

  5. E1
   
2.

Which of the following is not a core voice gateway requirement? (Choose two.)

  1. DTMF Relay

  2. inline power support

  3. supplementary service support

  4. SIP trunk support

  5. call survivability
3.

Which of the following devices use Skinny signaling? (Choose two.)

  1. Cisco Catalyst 6500 (CatalystOS)

  2. VG224

  3. Cisco IP Phone 7970

  4. Cisco 2801 with a VIC-2FXS interface
4.

Which of the following commands could you use to assign all four-digit extensions starting with the number 3 (for example, 3152, 3521, and so on) to a port on an H.323 gateway?

  1. destination-pattern 3

  2. destination-pattern 3 ext 3

  3. destination-pattern 3 ext 4

  4. destination-pattern 3...

  5. destination-pattern 3xxx
5.

CallManager 4.1 introduced a new Call Classification feature when configuring gateways. What does this feature accomplish?

  1. It provides advanced logging functions, categorizing the higher importance calls near the top of the log.

  2. It allows or denies calls based on the class of user making the call.

  3. It allows you to restrict conference calls or transfers between local devices and devices off the network.

  4. It allows you to isolate log files for each gateway in the CallManager configuration.
6.

You are viewing the configuration of an MGCP router and come across the line ccm-manager redundant-host 10.1.1.5 10.1.1.6. What does the IP address 10.1.1.5 represent?

  1. the IP address of the primary Cisco CallManager

  2. the IP address of the secondary Cisco CallManager

  3. the IP address of the tertiary Cisco CallManager

  4. the IP address of the SRST Failover Cisco CallManager
   
7.

What protocol(s) could you use to communicate with a Cisco Catalyst 6500 switch running the NativeIOS image? (Select all that apply.)

  1. MGCP

  2. H.323

  3. Non-IOS MGCP

  4. Skinny
8.

What is the difference between configuring a gateway and a trunk in the Cisco CallManager?

  1. Gateways have more security capabilities.

  2. Gateways carry voice traffic; trunks do not.

  3. Trunks allow more flexibility with your connections.

  4. Gateways can only connect to Cisco equipment; trunks can connect to third-party equipment.
9.

What is the advantage of using an H.323 gatekeeper in a Cisco IP telephony environment?

  1. Gatekeepers provide more redundancy for your connections.

  2. Gatekeepers ease configuration of Intercluster Trunk connections.

  3. Gatekeepers provide a more centralized security scheme for the voice network.

  4. all of the above
10.

What protocol does the H.323 gatekeeper use to provide call admission control?

  1. H.245

  2. H.225

  3. H.225 RAS

  4. SIP
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