WorksheetsBuilding networks: Network structure and security
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
binary:___________________?
a)
the number system that uses just two digits: 0 and 1; also known as 'base 2'
b)
a 7-bit binary code that represents all the keys on a standard keyboard
c)
data is transferred one bit at a time
d)
8 bits (or 1byte) of data are transferred simultaneously
2.
ASCII (American Standard Code for Information Interchange):_____________?
a)
a 7-bit binary code that represents all the keys on a standard keyboard
b)
data is transferred one bit at a time
c)
8 bits (or 1byte) of data are transferred simultaneously
d)
Networked devices transmit binary data, which consists of 1s and Os. Eight bits of 1 or 0 make up a byte.The devices transmit data using a wired or wireless method, and need to be able to do this extremelyquickly, even for large amounts of data.
3.
bit flip: _________________?
a)
when a single bit changes from 0 to 1, or 1 to 0, during transmission
b)
a type of network that communicates over a small geographical area, such as a single building
c)
a person responsible for the maintenance and security of a network
d)
a computer that offers a service to other devices on a network, such as file-sharing services and printer-sharing services
4.
parallel transmission: ___________________?
a)
8 bits (or 1byte) of data are transferred simultaneously
b)
data is transferred one bit at a time
c)
when a single bit changes from 0 to 1, or 1 to 0, during transmission
d)
temporary increase in power, often caused by lightning, which can damage computer hardware
5.
serial transmission:______________?
a)
data is transferred one bit at a time
b)
8 bits (or 1byte) of data are transferred simultaneously
c)
when a single bit changes from 0 to 1, or 1 to 0, during transmission
d)
a temporary increase in power, often caused by lightning, which can damage computer hardware
6.
cyber-attack: _______________?
a)
the collective name for all types of attacks on a computer or computer network
b)
moving a file to a safe place where it cannot contaminate other files on the computer
c)
a type of spyware that increases the number of adverts a user has on their computer system, often displaying adverts as banners or pop-ups inside software and sometimes enticing users to click on links to insecure or malicious websites or downloads
d)
an application that is used to organise data that can then be stored, processed and accessed electronically
7.
Wireless Wide Area Networks____________?
a)
that are often used for telecommunications by mobile devices using 3G, 4G and 5G. Devices connect to a 'mast' or 'tower', which can be done over a distance of up to 15 kilometres.
b)
Networked devices transmit binary data, which consists of 1s and Os. Eight bits of 1 or 0 make up a byte.The devices transmit data using a wired or wireless method, and need to be able to do this extremelyquickly, even for large amounts of data.
c)
a computer that offers a service to other devices on a network, such as file-sharing services and printer-sharing services
d)
a type of network that communicates over a small geographical area, such as a single building
8.
WPAN:_____________?
a)
is a type of PAN that can be connected using wireless technology only. This is most often Bluetooth, as a PAN generally does not need to connect to a device further than 10 metres away.
b)
are often used in homes and in small businesses located in one building over a small geographical area. Here, devices connect to the WLAN using Wi-Fi, as the transmission distance of Wi-Fi is around 9 metres (or more without obstructions such as walls).
c)
are types of Wide Area Networks that are often used for telecommunications by mobile devices using 3G, 4G and 5G. Devices connect to a 'mast' or 'tower', which can be done over a distance of up to 15 kilometres.
d)
n application that is used to organise data that can then be stored, processed and accessed electronically
9.
unauthorised:_____________?
a)
not allowed
b)
software that pretends to be something that it is not; trojans track keystrokes and mouse movements - even sometimes webcam
c)
a type of spyware that increases the number of adverts a user has on their computer system, often displaying adverts as banners or pop-ups inside software and sometimes enticing users to click on links to insecure or malicious websites or downloads
d)
moving a file to a safe place where it cannot contaminate other files on the computer
10.
trojan: __________________?
a)
software that pretends to be something that it is not; trojans track keystrokes and mouse movements - even sometimes webcams
b)
a type of spyware that increases the number of adverts a user has on their computer system, often displaying adverts as banners or pop-ups inside software and sometimes enticing users to click on links to insecure or malicious websites or downloads
c)
moving a file to a safe place where it cannot contaminate other files on the computer
d)
how a user interacts with a product
11.
switch:___________?
a)
a network device that forwards data from one device to another
b)
raw facts and figures
c)
a popular type of copper cable used to transmit data between devices
d)
enables devices to connect to a network using Wi-Fi
12.
Wireless Local Area Networks_________________?
a)
are often used in homes and in small businesses located in one building over a small geographical area. Here, devices connect to the WLAN using Wi-Fi, as the transmission distance of Wi-Fi is around 9 metres (or more without obstructions such as walls).
b)
is a type of PAN that can be connected using wireless technology only. This is most often Bluetooth, as a PAN generally does not need to connect to a device further than 10 metres away.
c)
that are often used for telecommunications by mobile devices using 3G, 4G and 5G. Devices connect to a 'mast' or 'tower', which can be done over a distance of up to 15 kilometres.
d)
Networked devices transmit binary data, which consists of 1s and Os. Eight bits of 1 or 0 make up a byte.The devices transmit data using a wired or wireless method, and need to be able to do this extremelyquickly, even for large amounts of data.
13.
quarantine:_________________?
a)
moving a file to a safe place where it cannot contaminate other files on the computer
b)
a type of spyware that increases the number of adverts a user has on their computer system, often displaying adverts as banners or pop-ups inside software and sometimes enticing users to click on links to insecure or malicious websites or downloads
c)
software that pretends to be something that it is not; trojans track keystrokes and mouse
d)
a type of network that communicates over a small geographical area, such as a single building
14.
malicious:_____________?
a)
describing something that intends to cause harm
b)
a network device that forwards data from one device to another
c)
a computer device that requests access to a service that a server provides
d)
a form of memory that stores tasks that are currently running, which the operating system controls
15.
data:__________?
a)
raw facts and figures
b)
a popular type of copper cable used to transmit data between devices
c)
what happens when
d)
connected to the internet
16.
database:_______________?
a)
an application that is used to organise data that can then be stored, processed and accessed electronically
b)
moving a file to a safe place where it cannot contaminate other files on the computer
c)
a person responsible for the maintenance and security of a network
d)
a type of network that communicates over a small geographical area, such as a single building
17.
network administrator:________________?
a)
a person responsible for the maintenance and security of a network
b)
a type of network that communicates over a small geographical area, such as a single building
c)
a computer that offers a service to other devices on a network, such as file-sharing services and printer-sharing services
d)
a computer device that requests access to a service that a server provides
18.
Transmitting data
a)
Networked devices transmit binary data, which consists of 1s and Os. Eight bits of 1 or 0 make up a byte.The devices transmit data using a wired or wireless method, and need to be able to do this extremelyquickly, even for large amounts of data.
b)
a simulation that superimposes digital images on the user's real-world environment and allows the user to interact with those images
c)
a 7-bit binary code that represents all the keys on a standard keyboard
d)
when a single bit changes from 0 to 1, or 1 to 0, during transmission
19.
bandwidth:_______________?
a)
a measure of the maximum number of bits that can be transmitted over a network or cable in a specified amount of time
b)
connected to the internet
c)
a simulation that superimposes digital images on the user's real-world environment and allows the user to interact with those images
d)
enables devices to connect to a network using Wi-Fi
20.
interface:________________?
a)
how a user interacts with a product
b)
carrying out an operation on data, e.g. querying a database or doing a calculation using data in a spreadsheet
c)
a form of memory that stores tasks that are currently running, which the operating system controls
d)
a person responsible for the maintenance and security of a network
21.
Local Area Network (LAN):____________?
a)
a type of network that communicates over a small geographical area, such as a single building
b)
a computer that offers a service to other devices on a network, such as file-sharing services and printer-sharing services
c)
a computer device that requests access to a service that a server provides
d)
a network device that forwards data from one device to another
22.
server:______________?
a)
a computer that offers a service to other devices on a network, such as file-sharing services and printer-sharing services
b)
a computer device that requests access to a service that a server provides
c)
a network device that forwards data from one device to another
d)
how a user interacts with a product
23.
client:_______________?
a)
a computer device that requests access to a service that a server provides
b)
a network device that forwards data from one device to another
c)
how a user interacts with a product
d)
carrying out an operation on data, e.g. querying a database or doing a calculation using data in a spreadsheet
24.
algorithm:_____________?
a)
step-by-step instructions to solve a particular problem
b)
a number system that uses the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 to represent every numerical value
c)
a collection of data items that are all related
d)
when a single bit changes from 0 to 1, or 1 to 0, during transmission
25.
random access memory (RAM):________________?
a)
a form of memory that stores tasks that are currently running, which the operating system controls
b)
carrying out an operation on data, e.g. querying a database or doing a calculation using data in a spreadsheet
c)
how a user interacts with a product
d)
a network device that forwards data from one device to another
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