2.1.6 Networks

Lavington ICT
Quiz by Lavington ICT, updated more than 1 year ago
Lavington ICT
Created by Lavington ICT over 5 years ago
190
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Description

A short quiz for the A451 GCSE comuting topic on networks
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Resource summary

Question 1

Question
A Local Area Network (LAN) is...
Answer
  • 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.

Question 2

Question
Wide Area Network's (WAN)...
Answer
  • 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.

Question 3

Question
A Network Interface Card (NIC) is...
Answer
  • 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.

Question 4

Question
A Router...
Answer
  • 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.

Question 5

Question
A client-server network is when...
Answer
  • 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.

Question 6

Question
Advantages of a client-server network are...
Answer
  • 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.

Question 7

Question
In a peer-to-peer network...
Answer
  • 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.

Question 8

Question
Dis-advantages of a peer-to-peer network are...
Answer
  • 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.

Question 9

Question
The three main network topologies are...
Answer
  • Ring, Bus & Wave.
  • Ring, Line & Star.
  • Star, Bus & Circle.
  • Ring, Bus & Star.

Question 10

Question
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...
Answer
  • 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.

Question 11

Question
Which of the following lists contains only VALID network protocols?
Answer
  • DNS, FTD, HTTP, POP4
  • DNS, FTP, HTTP, POP3
  • FTP, HTTP, TLS, DNS
  • FTP, HTTP, SSL, DNA

Question 12

Question
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?
Answer
  • 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).

Question 13

Question
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...
Answer
  • 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.

Question 14

Question
The world wide web is...
Answer
  • 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.

Question 15

Question
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
Answer
  • Title/943656934594390
  • http://www.hoddereducation.co.uk/
  • OCR_Computing_for_GCSE

Question 16

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

Question 17

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

Question 18

Question
A JPG file is used to...
Answer
  • store bit-mapped images using lossless compression.
  • store still images using lossy compression.
  • represent digital audio using lossy compression.

Question 19

Question
A PDF file is used to...
Answer
  • 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.

Question 20

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

Question 21

Question
Lossy compression is when...
Answer
  • 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.

Question 22

Question
Lossless compression is when
Answer
  • 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.
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