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Random knowledge for computer science

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

What is the definition of a Hub??

a)

When referring to a network, a hub is the most basic networking device that connects multiple computers or other network devices together.

b)

something to do with a computer.

c)

Unlike a network switch or router, a network hub has no routing tables or intelligence on where to send information and broadcasts all network data across each connection.

d)

I had a guess and pressed this

2.

What is the definition of switch??

a)

network by using packet switching to receive, process, and forward data to the destination device.

b)

A network switch is a computer networking device that connects devices together on a computer network by using packet switching to receive, process, and forward data to the destination device.

c)

A switch is what you turn on and off.

3.

What is a router??

a)

Routers are located at gateways, the places where two or more networks connect.

b)

I think it is a thing to do with the switch...

c)

A router is a device that forwards data packets along networks. A router is connected to at least two networks, commonly two LANs or WAN's or a LAN and its ISP's network.

4.

What does WAP stand for??

a)

wired accessed palace.

b)

wireless access place.

c)

wired acompany place.

d)

Wireless access point.

5.

whats an Ethernet cable??

a)

A Ethernet cable is crossover cable that is twisted a pair of Ethernet cables used to connect computing devices together directly that would normally be connected via a network switch,

b)

Its linked to a switch.

c)

Its a hub or router, such as directly connecting two personal computers via their network adapters.

6.

What is a network???

a)

Room filled of computers.

b)

one computer that controls all the others.

c)

A computer network is a set of computers connected together for the purpose of sharing resources. The most common resource shared today is connection to the Internet

7.

what is NIC ???

a)

Network interface card

b)

Network interfacing cable

c)

network interface cable

8.

Whats a fibre optic cable??

a)

A high-speed data transmission medium. It contains tiny glass or plastic filaments that carry light beams.

b)

Digital data is transmitted through the cable via rapid pulses of light.

c)

most transatlantic telecommunications cables between the U.S. and Europe are fiber optic.

9.

What does peer-peer mean???

a)

Stands for "Peer to Peer." In a P2P network, the "peers" are computer systems which are connected to each other via the Internet

b)

Files can be shared directly between systems on the network without the need of a central server. In other words, each computer on a P2P network becomes a file server as well as a client

c)

Something that hold files and data.

10.

what is Client Sever definition??

a)

is a software architecture model consisting of two parts, client systems and server systems, both communicating over a computer network or on the same computer

b)

A client-server application is a distributed system made up of both client and server software.

c)

A client server helps all clients entering a shop on logging into a computer.

11.

what is Wireless channels???

a)

Computers can make a wireless connection if they have a wireless NIC. A wireless router provides a connection with the physical network. A computer device needs to be within range of the router to get access.

b)

A wireless connection uses radio signals to send data across networks. The wireless adapter converts the data into a radio signal and the wireless receiver decodes it so that the computer can understand it.

c)

Wireless transmissions can be intercepted by anyone within range of the router. Access can also be restricted to specific MAC addresses

12.

what is Bandwidth??

a)

In computer network and computer science, digital bandwidth or just bandwidth means the amount of data that can be sent from one point to another in a certain period of time

b)

It is measured as a bit rate expressed in bits per second (bits/s) or multiples of it (kbit/s Mbit/s etc.)

c)

It is music not computer science

13.

what is Contention Ratio??

a)

is a service which offers the users of the network a minimum statistically guaranteed contention ratio, while typically offering peaks of usage of up to the maximum bandwidth supplied to the user.

b)

are usually much cheaper to provide than uncontended services, although they only reduce the backbone traffic costs for the users, and do not reduce the costs of providing and maintaining equipment for connecting to the network.

c)

is the ratio of the potential maximum demand to the actual bandwidth. The higher the contention ratio, the greater the number of users that may be trying to use the actual bandwidth at any one time and, therefore, the lower the effective bandwidth offered, especially at peak times.[1]

14.

what is network performance??

a)

In computer science, performance prediction means to estimate the execution time or other performance factors

b)

There are many approaches to predict program 's performance on computers.

c)

It is a performance that controls the computers that are connected to it.

15.

what is backbone??

a)

is a part of computer network that interconnects various pieces

b)

is a part of computer network that interconnects various pieces of network, providing a path for the exchange of information between different LANs or subnetworks

16.

what is the definition of a network?

a)

an arrangement of intersecting horizontal and vertical lines.

b)

a group or system of interconnected people or things.

c)

connect as or operate with a network.

d)

interact with others to exchange information and develop professional or social contacts.

17.

peer-peer are these pros and cons ?

a)

P2P can potentially give you access to significantly higher returns than you could get through a high-street savings account.

b)

P2P platforms let you spread your capital across multiple loans.

c)

Probably the most important risk you need to understand is that, your money is not covered by the FSCS.

d)

There can be a thing as too much choice. Because of the wide range loan choices and considerations

18.

Did you enjoy the quiz?

a)

YEAH!

b)

NOOOOO!!

c)

KINDA!!!

d)

IT WAS AMAZING!!!!