TIA CCNT Actual Free Exam Questions & Community Discussion

Exam Code/Number: CCNT
Exam Name/Title: Convergent Network Technologies
Certification Provider: TIA
Corresponding Certification: CCNT Certification

Exam Questions: 1056
Updated On: Jul 13, 2026

Question #127

Why is quality of service important for the success of VoIP?

A. All of the above.

B. Workers will not use VoIP if the voice quality is poor.

C. A company will save money only if workers use VoIP instead of making long-distance phone calls.

D. Workers will use regular long-distance service if they have trouble making connections with VoIP.

Discussion 0

Correct Answer: C Vote an answer

Question #128

Which part of the softswitch directs voice-over-packet building blocks and validates user accounts?

A. Service managements platform

B. Media gateway

C. Signaling gateway

D. Media gateway controller

Discussion 0

Correct Answer: B Vote an answer

Question #129

What is a messaging signaling unit (MSU)?

A. The MSU is automatically transmitted when there is no signaling traffic.

B. The MSU is exchanged when the link is brought back into service following a failure.

C. The MSU is exchanged by the signaling points when the link is first established.

D. The MSU contains the signaling data required to control the transmission network.

Discussion 0

Correct Answer: D Vote an answer

Question #130

A multiplexer:

A. Converts signals from digital to analog or vice versa.

B. Switches analog signals.

C. Replaces analog channel banks.

D. Combines a number of different signal sources into a single stream.

Discussion 0

Correct Answer: D Vote an answer

Question #131

How does the destination gateway allow for variable packet arrival times, yet still produce steady outgoing speech?

A. All of the above.

B. It bypasses silence suppression technology.

C. It holds a packet for a short time in its jitter buffer, then plays it out.

D. It gives priority to non-real-time data packets instead of VoIP packets.

Discussion 0

Correct Answer: B Vote an answer

Question #132

Why does an unPBX play an important role in CTI?

A. They provide the same network management features as a traditional PBX at a comparable cost of ownership.

B. They provide the same call management features as a traditional PBX at a comparable cost of ownership.

C. Offer less options to match communications networks to an organization's detailed requirements.

D. Increase the number and type of servers an organization must support.

Discussion 0

Correct Answer: C Vote an answer

Question #133

Which of the following should not be a consideration when selecting transmission media?

A. Conformance to fire retardant coating requirements

B. Protocols that will be used

C. Ease of installation

D. Bandwidth

Discussion 0

Correct Answer: D Vote an answer

Question #134

The encapsulation process begins with what layer in the transmitting protocol stack?

A. The bottom layer

B. The largest layer

C. The middle layer

D. The top layer

Discussion 0

Correct Answer: D Vote an answer

Question #135

In a PBX environment, dialing 9 normally provides:

A. Long distance access.

B. Tie line access.

C. Conferencing.

D. Outside access.

Discussion 0

Correct Answer: D Vote an answer

Question #136

What is the 2-wire analog connection between residential telephones and the telephone company's nearest exchange called?

A. Local loop

B. CO switch

C. T1 line

D. ISDN service

Discussion 0

Correct Answer: A Vote an answer

Question #137

What happens during fax demodulation?

A. The originating gateway converts a digital fax to analog.

B. The destination gateway converts an analog fax signal to digital.

C. The originating gateway converts an analog fax signal to digital.

D. The destination gateway converts a digital fax signal to analog.

Discussion 0

Correct Answer: C Vote an answer

Question #138

The function of SIP is to:

A. Track call time so usage can be billed.

B. Allow call agents to set up calls (sessions).

C. Translate phone numbers into IP addresses.

D. Specify which codec is to be used for a call.

Discussion 0

Correct Answer: B Vote an answer

Question #139

Why does the gateway construct UDP/IP packets instead of TCP/IP packets?

A. When a voice packet is lost, TCP/IP replays the previous good packet, thereby causing voice jitter.

B. All of the above.

C. TCP/IP tries to retransmit corrupted fax packets, thereby terminating the fax transmission.

D. TCP/IP delays transmissions because it uses larger packets.

Discussion 0

Correct Answer: C Vote an answer

Question #140

A PBX can provide multiple:

A. Entry points.

B. Power supplies

C. Trunk groups.

D. Billing systems.

Discussion 0

Correct Answer: C Vote an answer

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