CNS - Prelim

Let devices communicate over the range of a person

• Personal Area Network
• Local Area Network
• Wide Area Network
• Metropolitan Area Network

Widely used to connect personal computers and consumer electronics to let them share resources and exchange information.

• Personal Area Network
• Local Area Network
• Wide Area Network
• Metropolitan Area Network

A large network of information that is not tied to a single location

• Personal Area Network
• Local Area Network
• Wide Area Network
• Metropolitan Area Network

A secure tunnel between two networks that allows private traffic pass over another network which may be untrusted

• LAN
• VPN
• DNS
• DHCP

1 byte is equal to _____ bits

• 6
• 7
• 8
• 9

1 kilobyte is equal to _____ bytes

• 1000
• 1024
• 1008
• 1028

TCP/IP model is consist of what layers? Select all that applies

• Application
• Transport
• Internet
• Link
• Presentation

Five-Layer model is consist of what layers?

• Application
• Transport
• Network
• Data Link
• Physical

What is the port number of DNS?

• 25
• 80
• 53
• Option 4

The process of adding headers and footers to data layer is called decapsulation

• True
• False