FREE CTA Voice and Data Transmission Technologies Questions and Answers

Question 1

What is the purpose of a modem in data transmission?

Accepted Answer

Converts digital data for analog transmission

Answer

Boosts mobile signal strength.

Answer

Encrypts email content.

Answer

Processes voice recognition commands.

Question 2

Which technology is used for high-speed internet over phone lines?

Accepted Answer

DSL

Answer

Fiber optics.

Answer

Satellite broadband.

Answer

Coaxial cable.

Question 3

What does VoIP stand for?

Accepted Answer

Voice over Internet Protocol

Answer

Video over IP.

Answer

Virtual Output Input Processing.

Answer

Visual Internet Pathway.

Question 4

Which medium offers the highest transmission speed?

Accepted Answer

Fiber optic cable

Answer

Coaxial cable.

Answer

Twisted pair cable.

Answer

Microwave links.

Question 5

What does a router primarily do in a network?

Accepted Answer

Routes data between networks

Answer

Acts as a firewall.

Answer

Hosts email servers.

Answer

Manages printer sharing.

Question 6

Which protocol is primarily used for sending emails?

Accepted Answer

SMTP

Answer

FTP.

Answer

HTTP.

Answer

TCP.

Question 7

What technology enables mobile phones to connect to the internet wirelessly?

Accepted Answer

Cellular network technologies

Answer

Satellite TV.

Answer

Fiber optics.

Answer

Powerline networking.

Question 8

What type of transmission uses packets?

Accepted Answer

Packet-switched transmission

Answer

Circuit-switched transmission.

Answer

Analog switching.

Answer

Linear transmission.

Question 9

Which wireless technology is commonly used for local area networking?

Accepted Answer

Wi-Fi

Answer

Bluetooth.

Answer

Infrared.

Answer

Zigbee.