XII Networking & Cyber Security

Provides a connection oriented reliable service for sending messages

• TCP
• UDP
• IP
• All of the above

What is the meaning of bandwidth in network?

• Transmission capacity for communication channel
• Connected computers in the network
• Class of IP used in Network
• None of the above

Computer network is

• Collection of hardware components and computers
• Interconnected by communication channel
• Sharing of resources and information
• All of the above

Protocols are

• Agreements on how communication components and DTE’s are to communicate
• Logical communication channel used for transferring data
• Physical communication channel used for transferring data
• None of the above

A device that can convert digital signals to analog

• A packet
• A modem
• An emulator
• None of the above

Which topology requires a central controller or hub?

• Mesh
• Star
• Bus
• Ring

______ is the protocol suite for the current internet.

• ACM
• UNIX
• TCP/IP
• NCP

The biggest WAN

• Internet

• Intranet

• Extranet

use a single backbone cable

• Mesh

• Star

• Bus

• Ring

encrypts all information sent and received

• HTTP

• FTP

• HTTPS

• SMTP