Quiz
2.1.6 Networks
Perguntas do quiz (22)
1A Local Area Network (LAN) is...
- Aconfined 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).
- Bconfined to one or more sites such as an office or a school campus. - connected using equipment. - maintained by the organisation.
- Cconfined 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.
2Wide Area Network's (WAN)...
- Aoften connect only 2 LANs together. - make use of publicly available telecoms facilities. - allow businesses to function from any location.
- Boften connect LANs together. - make use of publicly available telecoms facilities. - allow businesses to function from any location.
- Coften connect only 2 LANs together. - make use of private telecoms facilities. - allow businesses to function from any location.
3A Network Interface Card (NIC) is...
- Aa physical device that generates and receives suitable electrical signals.
- Ba physical device that receives suitable electrical signals.
- Ca physical device that generates and receives suitable signals.
4A Router...
- Areceives data in the form of packets and forwards them on.
- Breceives data in the form of pulses and forwards them to their destination.
- Creceives data in the form of packets and forwards them to their destination.
5A client-server network is when...
- Aone server provides services to many client machines where the users work.
- Bone or more servers provide services to a few client machines where the users work.
- Cone or more servers provide limited services to many client machines where the users work.
- Done or more servers provide services to many client machines where the users work.
6Advantages of a client-server network are...
- Anetwork functions are handled by dedicated machines. - clients can provide for the immediate needs of the user. - this is an efficient, high speed model.
- Bnetwork 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.
- Cnetwork functions are handled by dedicated machines. - clients can provide for the immediate needs of the user. - this is an efficient model.
- Dnetwork functions are handled by a single machine. - clients can provide for the immediate needs of the user. - this is an efficient, high speed model.
7In a peer-to-peer network...
- Aall computers are equal. Each computer serves the needs of the user as well as carrying out networking functions.
- Ball computers are equal. Each computer serves the needs of the user.
- Csome computers are equal. Each computer serves the needs of the user as well as carrying out networking functions.
- Dmost computers are equal. Each computer serves the needs of the user as well as carrying out limited networking functions.
8Dis-advantages of a peer-to-peer network are...
- Amaintenance is more difficult with a dedicated server. - security is poor. - they tend to be slow because of the amount of clients.
- Bmaintenance is more difficult because of the number of clients. - security is poor. - they tend to be slow because of the amount of multi-tasking.
- Cmaintenance is more difficult with a dedicated server. - security is poor. - they tend to be slow because of the amount of multi-tasking.
- Dmaintenance is more difficult with a dedicated server. - security is non-existent. - they tend to be slow because of the amount of multi-tasking.
9The three main network topologies are...
- ARing, Bus & Wave.
- BRing, Line & Star.
- CStar, Bus & Circle.
- DRing, Bus & Star.
10Sending 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...
- Aa set of rules that covers data communications.
- Ba set of rules that covers how data moves between hosts.
- Ca set of rules that covers the use of data packets.
- Da set of rules that identifies which packets of data can be sent.
11Which of the following lists contains only VALID network protocols?
- ADNS, FTD, HTTP, POP4
- BDNS, FTP, HTTP, POP3
- CFTP, HTTP, TLS, DNS
- DFTP, HTTP, SSL, DNA
12Networks 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?
- ABackups, Archives, Failunder, Disaster site, Authentication & Acceptable use policies (AUP).
- BBackups, Archives, Failover, Disaster recovery, Authentication & Acceptable use policies (AUP).
- CBackups, Archives, Failover, Disaster recovery, Authentication & Acceptable policies (AP).
- DBackups, Archives, Failover, Disaster recovery, Syncing & Acceptable use policies (AUP).
13The 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...
- Ahe transmission of all sorts of information such as text, graphics, voice, video and computer programs.
- Bretrieving all sorts of information such as text, graphics, voice, video and computer programs.
- Cposting of all sorts of information such as text, graphics, voice, video and computer programs.
- Dthe transmission of all sorts of information such as text and graphics only.
14The world wide web is...
- Aone of the facilities that makes use of the internet. It consists of millions of pages written in HTML only.
- Bone of two facilities that makes use of the internet. It consists of billions of pages written in HTML or its derivatives.
- Cthe only facilities that makes use of the internet. It consists of billions of pages written in HTML.
- Done of the facilities that makes use of the internet. It consists of billions of pages written in HTML.
15A 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
- ATitle/943656934594390
- Bhttp://www.hoddereducation.co.uk/
- COCR_Computing_for_GCSE
16In the following URL which section is the domain?
http://www.hoddereducation.co.uk/Title/943656934594390/OCR_Computing_for_GCSE- ATitle/943656934594390/
- Bhttp://www.hoddereducation.co.uk/
- Chttp://
- DOCR_Computing_for_GCSE
17In the following URL which section refers to the web page?
http://www.hoddereducation.co.uk/Title/943656934594390/OCR_Computing_for_GCSE- Ahttp://www.hoddereducation.co.uk
- BTitle/943656934594390/
- COCR_Computing_for_GCSE
18A JPG file is used to...
- Astore bit-mapped images using lossless compression.
- Bstore still images using lossy compression.
- Crepresent digital audio using lossy compression.
19A PDF file is used to...
- Arepresent documents in the same way no matter what software is being used to display them.
- Bstore bit-mapped images using lossless compression.
- Crepresent digital audio using lossy compression.
20File compression means reducing the size of a file. This usually done in order to...
- Ai) save storage space on media. ii) reduce transmission times on a network.
- Bi) save storage space. ii) reduce transmission times on the internet.
- Ci) save storage space online. ii) reduce file sizes.
21Lossy compression is when...
- Afiles are compressed by removing some data that is less essential for the purpose.
- Bfiles are compressed by removing half the data of a selected file.
- Cfiles are compressed with no loss of essential data.
22Lossless compression is when
- Afiles are compressed with severe loss of essential data.
- Bfiles are compressed with no loss of any data.
- Cfiles are compressed with no loss of essential data.
Informações
- Descrição
- A short quiz for the A451 GCSE comuting topic on networks
- Autor
- Usuário eliminado
- Idioma
- English
- Visualizações
- 16
- Histórico
- Criado em 26 fev 2019 · atualizado em 26 fev 2019
- Etiquetas