Computer networks

Computer Network is

Collection of hardware components and computers

Interconnected by communication channels

Sharing of resources and information

All of the Above

Correct! Wrong!

What do you mean by broadcasting in Networking?

It means addressing a packet to all machine

It means addressing a packet to some machine

It means addressing a packet to a particular machine

It means addressing a packet to except a particular machine

Correct! Wrong!

What does Router do in a network?

Forwards a packet to all outgoing links

Forwards a packet to the next free outgoing link

Determines on which outing link a packet is to be forwarded

Forwards a packet to all outgoing links except the originated link

Correct! Wrong!

Protocols are?

Agreements on how communication components and DTE's are to communicate

Logical communication channels for transferring data

Physical communication channels sued for transferring data

None of above

Correct! Wrong!

Two devices are in network if

A process in one device is able to exchange information with a process in another device

A process is running on both devices

PIDs of the processes running of different devices are same

none of the mentioned

Correct! Wrong!

What is a Firewall in Computer Network?

The physical boundary of Network

An operating System of Computer Network

A system designed to prevent unauthorized access

A web browsing Software

Correct! Wrong!

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

Simplex

Half-duplex

Full duplex

All of above

Correct! Wrong!

Each IP packet must contain

Only Source address

Only Destination address

Source and Destination address

Source or Destination address

Correct! Wrong!

What is the minimum header size of an IP packet?

16 bytes

10 bytes

20 bytes

32 bytes

Correct! Wrong!

The management of data flow between computers or devices or between nodes in a network is called

Flow control

Data Control

Data Management

Flow Management

Correct! Wrong!

What does the port number in a TCP connection specify?

It specifies the communication process on the two end systems

It specifies the quality of the data & connection

It specify the size of data

All of the above

Correct! Wrong!

The meaning of Straight-through Cable is

Four wire pairs connect to the same pin on each end

The cable Which Directly connects Computer to Computer

Four wire pairs not twisted with each other

The cable which is not twisted

Correct! Wrong!

A term related sending data to a satellite is?

Downlink

Modulate

Demodulate

Uplink

Correct! Wrong!

Which of the following device is used to connect two systems, especially if the systems use different protocols?

Repeater

Gateway

Bridge

Hub

Correct! Wrong!

A distributed network configuration in which all data/information pass through a central computer is

Bus network

Star network

Ring network

Point-to-point network

Correct! Wrong!

The slowest transmission speeds are those of

Coaxial cable

Fiber-optic cable

Microwaves

Correct! Wrong!

Networks are monitored by security personnel and supervised by _____ who set(s) up accounts and passwords for authorized network users.

IT managers

The government

Password administrators

Network administrators

Correct! Wrong!

A device that connects to a network without the use of cables is said to be

Distributed

Centralized

Wireless

Open source

Correct! Wrong!

What device separates a single network into two segments but lets the two segments appear as one to higher protocols?

Switch

Router

Bridge

Gateway

Correct! Wrong!

Which of the following is required to communicate between two computers?

Communications software

Protocol

Communications hardware

All of the above

Correct! Wrong!

Computer Network is

What do you mean by broadcasting in Networking?

What does Router do in a network?

Protocols are?

Two devices are in network if

What is a Firewall in Computer Network?

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

Each IP packet must contain

What is the minimum header size of an IP packet?

The management of data flow between computers or devices or between nodes in a network is called

What does the port number in a TCP connection specify?

The meaning of Straight-through Cable is

A term related sending data to a satellite is?

Which of the following device is used to connect two systems, especially if the systems use different protocols?

A distributed network configuration in which all data/information pass through a central computer is

The slowest transmission speeds are those of

Networks are monitored by security personnel and supervised by _____ who set(s) up accounts and passwords for authorized network users.

A device that connects to a network without the use of cables is said to be

What device separates a single network into two segments but lets the two segments appear as one to higher protocols?

Which of the following is required to communicate between two computers?

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