J277 - Wireless Networks

The two kinds of wireless connection are:

• WiFi & Bluetooth

• WiFi & Airpod

• Bluetooth & phone data

• Phones & internet

To access a wireless network, a device needs a wireless (a)   connected to or built into it.

What does WAP stand for?

• Wireless access point

• Wifi access point

• Wireless application protocol

• Wifi application protocol

Select all the benefits of using 2.4GHz frequency WiFi:

• It is faster

• It has a longer range

• Less interference from other devices

• It is encrypted

Select all the benefits of using 5GHz frequency WiFi:

• It is faster

• It has a longer range

• Less interference from structures such as walls

• It is encrypted

Caesar cipher is a famous ____________ encryption technique.

• symmetrical

• asymmetrical

• complex

How many keys are used in asymmetrical encryption?

(a)  

How many keys are used in symmetrical encryption?

(a)  

The message which I am going to encrypt is called the (a)   .

Once the plaintext is encrypted, it is called the (a)   .