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OCR J277 1.3 Computer networks, connections and protocols [1] Flashcards | StudBud
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OCR J277 1.3 Computer networks, connections and protocols [1]
OCR J277 1.3 Computer networks, connections and protocols [1]
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OCR J277 GCSE Computer Science MCQs Sub topic 1.3 Computer networks, connections and protocols
Flashcards
28 cards
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Questions
28
Answers
1
Which of these statements is
true
?
A client-server network cannot be used to share files
Each computer on a client-server network is maintain separately
A client-server network has a central computer that provides services
A client-server network is cheap and easy to set up
2
What is the roles of a
web client
?
To control centralised access to website data including content and layout
To allow the user to create their own web pages
To control which devices on a network are able to access the Internet
To request a specific web page from a web host and display the results
3
Which type of transmission media is the
least expensive
to manufacture?
Coaxial
Fibre optic
Plastic
Twisted pair cable
4
Which of these is a characteristic of a
LAN
?
Data can only be transmitted at a very slow rate
It covers a wide geographical area
Users can share files and peripherals
Computers are connected together using a leased line or a satellite
5
Which of these is the correct definition of a
router
?
Forwards data packets along a network
Corrects errors that are found in data packets
A type of transmission media that provides the greatest bandwidth
A server within a network
6
Where are you most likely to find a
peer-to-peer
network?
In a large office
Across several offices in a company
In a large organisation
In a home
7
Which of these is a
benefit
of
cloud computing
?
reduce costs as they do not need to buy additional hardware to store data
An internet connection is not needed to access cloud computing
Data will always be more secure in a cloud computing system
It is the cheapest option because cloud storage is free
8
What is
cloud computing
?
Using the internet to communicate with other users
Using the internet to store and access data and programs remotely
Storing large amounts of data on a single computer
Storing hard copies of data as a backup
9
Which of these is a characteristic of a
WAN
?
It covers a small geographical area
It is contained within one building
Normally has a lower bandwidth than a LAN
Users are not able to share files and peripherals
10
Which is a feature of a
Mesh
network?
The network uses terminators
The Server is usually based in the middle of the network
Data can be transmitted from different devices simultaneously.
Devices are dependent on a central sever
11
Which is a
disadvantage
of
WiFi
?
It is simple to join a WiFi network
It cannot transmit signals over very long distances (> 1 mile)
You can use it in hard-to-reach locations making users more mobile
It reduces Health & Safety issues by removing wires
12
Which of these is a
benefit
of a
peer-to-peer
network?
All computers can be maintained from one computer
Files and peripherals can be shared
Antivirus scans can be run across all computers from one computer
All software updates can be run across all computers from one computer
13
Which of these is
not
an
advantage
of a network?
User accounts can be created
Data can be shared across a range of users
Shared files and resources
Less vulnerable to hackers
14
Which
term
describes the physical layout of a Network?
Topology
Topiary
Topping
Topiology
15
What is meant by
latency
in the performance of a network?
The route a packet takes when it is being transmitted
The maximum rate that data can be transferred at
The number of errors that are found in a data packet after transmission
The amount of time data takes to travel from the source to the destination
16
The
Encryption method
used on Secure Internet transitions is called?
Public Code Energy
Plastic Key Encrypting
Private House Key
Public Key Encryption
17
What is the role of a
web server
?
To control which devices on a network are able to access the Internet
To control centralised access to website data including content and layout
To allow the user to create their own web pages
To request a specific web page from a web host and display the results
18
Which of these is a correct definition of
DNS
?
An internet service that translates alphabetic names into IP addresses
An internet service that stores data in large quantities for companies
An internet service that provides a messaging service for communication
An internet service that is used to detect errors
19
What is a
benefit
of a wired network over a wireless network?
Faster Data Transfer Speeds
Increased costs
Technical Knowledge needed
Easier to hack
20
Encryption
is?
A secret message
Applying a key to data to scramble it
A set of numbers used to replace letters in data that is transmitted
A secret code
21
What is meant by a
data packet
?
The number of error found in data when it has been transmitted
A unit of data that travels along a network
The data a computer needs to connect to a network
A connection point in a network that allows data to be shared
22
What
problem
can occur through using
cloud computing
?
Only a small amount of data can be stored
There can be privacy and security issues
More hardware needs to be added to a company network to store data
Only a small amount of software can be stored
23
What is a
standalone
computer?
A computer that does not have any peripherals attached to it
A computer that is being used as a server
A computer that is used by only one person
A computer that is not connected to a network
24
What network has the router or switch placed in the
centre
and the devices around it?
Ring
Star
Bus
Mesh
25
Which if these terms refers to the
maximum
rate at which data can be transferred?
Error detection
Packet switching
Bandwidth
Transmission media
26
Which
transmission media
is capable of having a much
higher
bandwidth?
Fibre optic
Coaxial
Twisted pair cable
Plastic
27
Which of these components is
internal
to a computer and is
required
to
connect
the computer to a network?
Wireless Access Point
Network Interface card
Hub
Switch
28
What is meant by
hosting
?
A service that translates alphabetic names into IP addresses
A service that transmits data in a network
A service that allows users to put websites available on the world wide web
A service that creates websites for companies
