CCNA Voice Practice Test 2 ICOMM 640-461 CCNA Voice Practice Test 2 ICOMM 640-461 To make an intercom DN UN- dial able? A. Use the nond command. B. Use an ext number that contains an A, B, C, or D. C. Use the nodial command. D. Use an ext that contains a *. What are the valid line-coding formats for T1 circuits? A. AMI & B8ZS B. HDB3 C. B8ZS & CRC4 D. CRC4 If there are no optional header fields, how many bytes of data is needed for these three headers? A. 4 B. 12 C. 20 D. 40 What do you do in CCA to enable the ability to add intercom lines to phones? A. Choose Telephony > Voice > Voice Features and select the Enable Intercom check box. B. Choose Voice > User Features and select the Enable Intercom check box. C. Choose Telephony > select the Intercom check box. D. Choose > Voice Features and select the Intercom check box. DTMF is used to provide telephone keypad digits using which of the following methodologies? A. Generating a unique analog frequency for each digit B. Generating 100ms pulses 10ms apart C. Changing frequencies to indicate the digit dialed D. Generating four low and four high frequencies, with each digit represented by a combination of one low and one high frequency The true statement is A. MGCP and H.323 are peer-to-peer protocols. B. SIP and SCCP are client/server protocols C. H.323 and SCCP are client/server protocols. D. H.323 and SIP are peer-to-peer protocols. _____________ is used to carry IP traffic that is not sensitive to potential packet drops A. UDP B. TCP C. XNS D. HTTP A _______ has three ext assigned to it. A. Multiline B. Shared C. Overlay D. Monitor Which Cisco Unity Express module supports up to 14 hours of messages? A. AIM B. Network Module C. Slot Module D. Network Module 2V What are the maximum users that a Cisco Unity Express Network Module platform can support? A. 8 B. 100 C. 250 D. 500 Loading … Question 1 of 10
