Lavington ICT
Quiz by , created more than 1 year ago

A short quiz for the A451 GCSE comuting topic on networks

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Lavington ICT
Created by Lavington ICT almost 9 years ago
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2.1.6 Networks

2.1.6 Networks

Question 1 of 22

1

A Local Area Network (LAN) is...

Select one of the following:

  • confined to one site such as an office or a school campus. - connected using equipment owned by the organisation. - maintained by the organisation (or it maybe be outsourced).

  • confined to one or more sites such as an office or a school campus. - connected using equipment. - maintained by the organisation.

  • confined to one site such as an office or a school campus. - connected using equipment owned by the organisation. - maintained by one person, usually an IT manager.

Explanation

Question 2 of 22

1

Wide Area Network's (WAN)...

Select one of the following:

  • often connect only 2 LANs together. - make use of publicly available telecoms facilities. - allow businesses to function from any location.

  • often connect LANs together. - make use of publicly available telecoms facilities. - allow businesses to function from any location.

  • often connect only 2 LANs together. - make use of private telecoms facilities. - allow businesses to function from any location.

Explanation

Question 3 of 22

1

A Network Interface Card (NIC) is...

Select one of the following:

  • a physical device that generates and receives suitable electrical signals.

  • a physical device that receives suitable electrical signals.

  • a physical device that generates and receives suitable signals.

Explanation

Question 4 of 22

1

A Router...

Select one of the following:

  • receives data in the form of packets and forwards them on.

  • receives data in the form of pulses and forwards them to their destination.

  • receives data in the form of packets and forwards them to their destination.

Explanation

Question 5 of 22

1

A client-server network is when...

Select one of the following:

  • one server provides services to many client machines where the users work.

  • one or more servers provide services to a few client machines where the users work.

  • one or more servers provide limited services to many client machines where the users work.

  • one or more servers provide services to many client machines where the users work.

Explanation

Question 6 of 22

1

Advantages of a client-server network are...

Select one of the following:

  • network functions are handled by dedicated machines. - clients can provide for the immediate needs of the user. - this is an efficient, high speed model.

  • network functions are handled by dedicated machines. - clients can provide for the immediate needs of the user most of the time. - this is sometimes an efficient, high speed model.

  • network functions are handled by dedicated machines. - clients can provide for the immediate needs of the user. - this is an efficient model.

  • network functions are handled by a single machine. - clients can provide for the immediate needs of the user. - this is an efficient, high speed model.

Explanation

Question 7 of 22

1

In a peer-to-peer network...

Select one of the following:

  • all computers are equal. Each computer serves the needs of the user as well as carrying out networking functions.

  • all computers are equal. Each computer serves the needs of the user.

  • some computers are equal. Each computer serves the needs of the user as well as carrying out networking functions.

  • most computers are equal. Each computer serves the needs of the user as well as carrying out limited networking functions.

Explanation

Question 8 of 22

1

Dis-advantages of a peer-to-peer network are...

Select one of the following:

  • maintenance is more difficult with a dedicated server. - security is poor. - they tend to be slow because of the amount of clients.

  • maintenance is more difficult because of the number of clients. - security is poor. - they tend to be slow because of the amount of multi-tasking.

  • maintenance is more difficult with a dedicated server. - security is poor. - they tend to be slow because of the amount of multi-tasking.

  • maintenance is more difficult with a dedicated server. - security is non-existent. - they tend to be slow because of the amount of multi-tasking.

Explanation

Question 9 of 22

1

The three main network topologies are...

Select one of the following:

  • Ring, Bus & Wave.

  • Ring, Line & Star.

  • Star, Bus & Circle.

  • Ring, Bus & Star.

Explanation

Question 10 of 22

1

Sending data in a network requires rules and standards. By sharing these rules, different networks and different devices can can talk to each other. A protocol is...

Select one of the following:

  • a set of rules that covers data communications.

  • a set of rules that covers how data moves between hosts.

  • a set of rules that covers the use of data packets.

  • a set of rules that identifies which packets of data can be sent.

Explanation

Question 11 of 22

1

Which of the following lists contains only VALID network protocols?

Select one of the following:

  • DNS, FTD, HTTP, POP4

  • DNS, FTP, HTTP, POP3

  • FTP, HTTP, TLS, DNS

  • FTP, HTTP, SSL, DNA

Explanation

Question 12 of 22

1

Networks involve linking many devices which poses potential security threats because data can be accessed at multiple locations.Which of the following is a valid list of security measures?

Select one of the following:

  • Backups, Archives, Failunder, Disaster site, Authentication & Acceptable use policies (AUP).

  • Backups, Archives, Failover, Disaster recovery, Authentication & Acceptable use policies (AUP).

  • Backups, Archives, Failover, Disaster recovery, Authentication & Acceptable policies (AP).

  • Backups, Archives, Failover, Disaster recovery, Syncing & Acceptable use policies (AUP).

Explanation

Question 13 of 22

1

The internet is a means of connecting millions of computers and computer networks across the world. The connections are made through routers, servers and other transmission media like fibre-optic cables. The internet is used for...

Select one of the following:

  • he transmission of all sorts of information such as text, graphics, voice, video and computer programs.

  • retrieving all sorts of information such as text, graphics, voice, video and computer programs.

  • posting of all sorts of information such as text, graphics, voice, video and computer programs.

  • the transmission of all sorts of information such as text and graphics only.

Explanation

Question 14 of 22

1

The world wide web is...

Select one of the following:

  • one of the facilities that makes use of the internet. It consists of millions of pages written in HTML only.

  • one of two facilities that makes use of the internet. It consists of billions of pages written in HTML or its derivatives.

  • the only facilities that makes use of the internet. It consists of billions of pages written in HTML.

  • one of the facilities that makes use of the internet. It consists of billions of pages written in HTML.

Explanation

Question 15 of 22

1

A URL (Uniform Resource Locator) is a standard way of describing a resource on the internet. It consists of a domain name and may include a path to the file itself. In the following URL which section is the path to the server? http://www.hoddereducation.co.uk/Title/943656934594390/OCR_Computing_for_GCSE

Select one of the following:

  • Title/943656934594390

  • http://www.hoddereducation.co.uk/

  • OCR_Computing_for_GCSE

Explanation

Question 16 of 22

1

In the following URL which section is the domain?
http://www.hoddereducation.co.uk/Title/943656934594390/OCR_Computing_for_GCSE

Select one of the following:

  • Title/943656934594390/

  • http://www.hoddereducation.co.uk/

  • http://

  • OCR_Computing_for_GCSE

Explanation

Question 17 of 22

1

In the following URL which section refers to the web page?
http://www.hoddereducation.co.uk/Title/943656934594390/OCR_Computing_for_GCSE

Select one of the following:

  • http://www.hoddereducation.co.uk

  • Title/943656934594390/

  • OCR_Computing_for_GCSE

Explanation

Question 18 of 22

1

A JPG file is used to...

Select one of the following:

  • store bit-mapped images using lossless compression.

  • store still images using lossy compression.

  • represent digital audio using lossy compression.

Explanation

Question 19 of 22

1

A PDF file is used to...

Select one of the following:

  • represent documents in the same way no matter what software is being used to display them.

  • store bit-mapped images using lossless compression.

  • represent digital audio using lossy compression.

Explanation

Question 20 of 22

1

File compression means reducing the size of a file. This usually done in order to...

Select one of the following:

  • i) save storage space on media. ii) reduce transmission times on a network.

  • i) save storage space. ii) reduce transmission times on the internet.

  • i) save storage space online. ii) reduce file sizes.

Explanation

Question 21 of 22

1

Lossy compression is when...

Select one of the following:

  • files are compressed by removing some data that is less essential for the purpose.

  • files are compressed by removing half the data of a selected file.

  • files are compressed with no loss of essential data.

Explanation

Question 22 of 22

1

Lossless compression is when

Select one of the following:

  • files are compressed with severe loss of essential data.

  • files are compressed with no loss of any data.

  • files are compressed with no loss of essential data.

Explanation

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