Communications and Networks Quiz

What is the primary wireless technology that uses high frequency radio waves to communicate?

• GPS

• WiMax

• Infrared

• Bluetooth

What is the process of converting data from digital to analog in a modem called?

• Demodulation

• Packetization

• Modulation

• Transfer rate

Which type of network spans cities with coverage up to 100 miles?

• WAN

• MAN

• WLAN

• LAN

What is the measurement of the width or capacity of a communication channel called?

• Baseband

• Bandwidth

• Protocols

• Voiceband

Which network topology involves a central node that coordinates the flow of data?

• Ring Network

• Star Network

• Mesh Network

• Tree Network

What is the process of breaking down information into small parts (packets) and then reassembling it called?

• DNS

• TCP/IP

• Packetization

• HTTPS

Which network type connects digital devices such as PDAs in a personal area network?

• MAN

• WLAN

• LAN

• PAN

What is the hardware and software that controls access to a network called?

• Firewall

• Proxy server

• Intrusion detection system

• Virtual private network

Which wireless connection technology uses satellites as microwave relay stations?

• Satellite

• Infrared

• WiMax

• Bluetooth

What is the most widely used protocol for exchanging data between computers?

• Packetization

• HTTPS

• TCP/IP

• DNS