Fill in the blanks.

1. ________________ users can communicate among themselves, and Share data and information.
2. A computer ________________ is a group of two or more computer systems connected to each other.
3. Wireless networks use ________________ ________________ technology to send and receive data over the air.
4. WLANs are often called ________________ networks.
5. ________________ is a protective software and/or hardware, that prevents unauthorised access to a network.

Write True or False.

1. Wireless WANs are used when reach is the most important aspect of your solution and speed is less important. ________________
2. A computer network is a group of 100 computer systems connected to each other. ________________
3. Wireless networks use Wave Frequency (WF) technology to send and receive data over the air. ________________
4. It is much easier to add more computers to a wireless network (up to the maximum number stated on the hub or router). ________________
5. Wireless Personal Area Networks provide wireless connectivity in a very small proximity of up to 10 metres. ________________

Multiple Choice Questions (MCQs).

1. ________________ is a very popular example of WPAN.
   1. Bluetooth
   2. WWAN
   3. WLAN
2. ________________ is an example of WWAN.
   1. WLAN
   2. WPAN
   3. GSM
3. ________________ is a kind of WLAN. 
   1. Wi-Fi
   2. Bi-Fi
   3. Yi-Fi
4. Wireless ________________ are used when speed is the most important aspect of your solution and reach is less important.
   1. LANs
   2. WANs
   3. MANs
5. Internet access to the public at certain location. These locations are called ________________.
   1. Picnicspots
   2. Hotspots
   3. Spotshot

What are the advantages and disadvantages of wireless networks?

Write a short note on WWAN.