Free ACA SIP Protocol & Routing Questions and Answers

Question 1

What does SIP stand for in VoIP communication?

Accepted Answer

Session Initiation Protocol

Answer

Secure Internet Protocol.

Answer

Simple Internet Protocol.

Answer

Signal Initiation Protocol.

Question 2

What is the primary function of SIP in VoIP systems?

Accepted Answer

To establish, modify, and terminate communication sessions

Answer

To secure the communication.

Answer

To provide voice encryption.

Answer

To convert analog signals to digital.

Question 3

Which of the following is a valid SIP message method?

Accepted Answer

REGISTER

Answer

SETUP.

Answer

DELETE.

Answer

CONNECT.

Question 4

What is the purpose of SIP routing?

Accepted Answer

To route SIP messages to the correct destination

Answer

To limit network traffic.

Answer

To encrypt SIP messages.

Answer

To avoid congestion in the network.

Question 5

What is a SIP proxy server?

Accepted Answer

It forwards SIP messages to their intended destinations

Answer

It encrypts SIP messages.

Answer

It stores SIP message logs.

Answer

It initiates the SIP message.

Question 6

What role does NAT (Network Address Translation) play in SIP communication?

Accepted Answer

It translates private IP addresses to public ones for SIP devices

Answer

It increases the quality of SIP calls.

Answer

It secures the SIP connection.

Answer

It prioritizes SIP traffic.

Question 7

Which SIP message method is used to initiate a SIP session?

Accepted Answer

INVITE

Answer

BYE.

Answer

ACK.

Answer

CANCEL.

Question 8

How does SIP handle call termination?

Accepted Answer

By sending the BYE method

Answer

By disconnecting the devices.

Answer

By using the CANCEL method.

Answer

By using the REGISTER method.

Question 9

What is the purpose of SIP authentication?

Accepted Answer

It verifies user identity before allowing communication

Answer

It secures SIP messages.

Answer

It prevents SIP proxy errors.

Answer

It reduces network congestion.