Homework - Topic 1 Communication technologies

What are ad hoc networks?

• Temporary networks that require Wi-Fi access points

• Permanent networks that require routers

• Temporary networks that do not require Wi-Fi access points or routers

• Permanent networks that do not require Wi-Fi access points or routers

What can be shared between two laptops connected through an ad hoc network?

• Files

• Internet access

• Files and internet access

• None of the above

What is an advantage of ad hoc networks?

• Easy to set up

• Require specialist hardware such as routers

• More secure than traditional networks

• Central device has control

What is a disadvantage of ad hoc networks?

• Less secure

• Require specialist hardware such as routers

• More reliable than traditional networks

• Central device has control

What can reduce access to the internet in ad hoc networks?

• Poor signal

• Bluetooth devices being too far away

• Many devices sharing a connection

• All of the above

Where can open Wi-Fi be found?

• Hotels

• Trains

• Airports

• All of the above

Why is open Wi-Fi considered unsecure?

• It requires a password to connect

• It uses encryption to protect data

• It sends all data in plain-text

• It is only available in rural locations

What should you look for in Wi-Fi to ensure security?

• WPA2 encryption

• Open Wi-Fi

• Virtual private network (VPN)

• Personal hotspot

What is a personal hotspot?

• A temporary network with two or more computing devices

• A Wi-Fi access point or router

• A connection made using Bluetooth

• A connection made using Wi-Fi or Bluetooth

What are blackspots in mobile phone networks?

• Temporary networks with two or more computing devices

• Areas with no mobile phone signal

• Areas with strong Wi-Fi signal

• Areas with limited internet access