Computer Networks Quiz

What does a computer network enable?

• Data backup

• Software development

• Sharing of resources and information

• Faster processors

What model involves a client sending a message to a server and waiting for a reply?

• Peer-to-peer model

• Cloud model

• Client-Server model

• Hybrid model

Which of the following is NOT a home application of computer networks?

• Instant Messaging

• Internet Access

• Email

• Compiler execution

Which is NOT a type of network hardware?

• PAN

• MAN

• RAM

• LAN

What is unicasting?

• Sending messages to all devices

• Sending messages to a specific device

• Sending messages to a subset

• Sending messages in a ring

Which of the following supports multicasting?

• Unicast networks

• Wired LAN only

• Some broadcast systems

• VPN only

PAN typically uses which wireless technology?

• WiFi

• Ethernet

• Bluetooth

• Coaxial

What is the most common wired LAN standard?

• IEEE 802.15

• IEEE 802.3

• IEEE 802.11

• IEEE 802.16

Which IEEE 802.11 standard operates in 5 GHz with up to 54 Mbps?

• 802.11a

• 802.11b

• 802.11g

• 802.11n

What is CSMA/CD used in?

• WiFi

• Fiber optics

• Ethernet

• Bluetooth