Wireless

How do omnidirectional antennas operate?

• Send and receive from one direction

• Send and receive from all directions

• Only send data

• Only receive data

What is a characteristic of directional antennas?

• Pull signal from all directions

• Pull signal from one direction

• Shorter range

• No range

Which type of antenna typically has a greater range?

• Omnidirectional

• Directional

• Wireless

• None of the above

What encryption method does WPA use?

• AES encryption

• RC4 cipher with TKIP

• DES encryption

• RSA encryption

What is the key length used in WPA2 encryption?

• 64-bit

• 128-bit

• 256-bit

• 512-bit

Which encryption protocol is more secure, WPA or WPA2?

• WPA

• WPA2

• Both are equally secure

• Neither is secure

What does CDMA stand for in cellular technologies?

• Code-Division Multiple Access

• Cellular Data Management Access

• Code-Division Mobile Access

• Cellular Division Multiple Access

What is a key feature of CDMA technology?

• Assigns unique code to every call

• Uses a single frequency for all calls

• Requires a SIM card for operation

• Uses time slots for call transmission

What does GSM stand for in cellular technologies?

• Global System for Mobile Communications

• General System for Mobile Communications

• Global Service for Mobile Communications

• General Service for Mobile Communications

What is the purpose of a SIM chip in GSM technology?

• To store the phone's operating system

• To contain the subscriber's information

• To enhance the phone's battery life

• To improve call quality