Computer Network

Computer Network is

• Sharing of resources and information

• Collection of hardware components and computers

• Interconnected by communication channels

• All of the Above

what is a Firewall in Computer Network?

• An operating System of Computer Network

• The physical boundary of Network

• A system designed to prevent unauthorized access

• A web browsing Software

Which data communication method is used to transmit the data over a serial communication link?

• Half-duplex

• Simplex

• Full duplex

• All of above

What is the size of MAC Address?

• 16-bits

• 32-bits

• 48-bits

• 64-bits

Which of the following is not the Networking Devices?

• Gateways

• Linux

• Routers

• Firewalls

What is the use of Bridge in Network?

• to connect LANs

• to separate LANs

• to control Network Speed

• All of the above

What is the use of Ping command?

• To test a device on the network is reachable

• To test a hard disk fault

• To test a bug in a Application

• To test a Pinter Quality

Which network is formed with a mobile and Laptop

• LAN

• PAN

• MAN

• WAN

What is difference between packet switching and circuit switching

• in Circuit switching dedicated path is used, in packet switching , no fixed path

• in packet switching dedicated path is used, in circuit switching , no fixed path

Repeater helps to

• connect two computers

• enhance the signal in the network

• restrict unauthorized access