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WorksheetsExchanging Data Mega Quiz
Total questions: 130
Worksheet time: 43mins
Name
Class
Date
1.
Algorithm used to strip out least important data
a)
Lossy Compression
b)
Lossless Compression
2.
Typically used for multimedia files
a)
Lossy Compression
b)
Lossless Compression
3.
Typically less effective at reducing file size
a)
Lossy Compression
b)
Lossless Compression
4.
Essential for some file types such as computer program
a)
Lossy Compression
b)
Lossless Compression
5.
Original file can be restored
a)
Lossy Compression
b)
Lossless Compression
6.
Original file cannot be restored
a)
Lossy Compression
b)
Lossless Compression
7.
Examples: JPEG, MP3, MPEG
a)
Lossy Compression
b)
Lossless Compression
8.
Examples: ZIP, PNG, GIF
a)
Lossy Compression
b)
Lossless Compression
9.
Runlength Encoding
a)
Lossy Compression
b)
Lossless Compression
10.
Replaces repeating pixels or codes
a)
Run Length Encoding
b)
Dictionary Encoding
11.
Relies on patterns within a file and are more effective with larger files. Each pattern can has an ID numbe
a)
Run Length Encoding
b)
Dictionary Encoding
12.
Less secured due to use a single key for encryption.
a)
Symmetric Encryption
b)
Asymmetric Encryption
13.
Uses a single key for encryption and decryption.
a)
Symmetric Encryption
b)
Asymmetric Encryption
14.
Slow Encryption
a)
Symmetric Encryption
b)
Asymmetric Encryption
15.
Faster Encryption
a)
Symmetric Encryption
b)
Asymmetric Encryption
16.
Uses two keys for encryption and decryption
a)
Symmetric Encryption
b)
Asymmetric Encryption
17.
Two keys are involved in encryption and decryption.
a)
Symmetric Encryption
b)
Asymmetric Encryption
18.
Best for passwords
a)
Encryption
b)
Hashing
19.
Best for transmitting a private message
a)
Encryption
b)
Hashing
20.
Best for quick comparison of values
a)
Encryption
b)
Hashing
21.
A database with multiple tables which have links between them
a)
Relational Database
b)
Flat File Database
22.
A databases with a single table
a)
Relational Database
b)
Flat File Database
23.
A primary key from another table used to create a relationship
a)
Primary Key
b)
Foreign Key
c)
Concatenated Primary Key
d)
Secondary Key
24.
A field which unquely identifies a record in a table
a)
Primary Key
b)
Foreign Key
c)
Concatenated Primary Key
d)
Secondary Key
25.
A key field which can be used to search data in a table
a)
Primary Key
b)
Foreign Key
c)
Concatenated Primary Key
d)
Secondary Key
26.
A field where two fields are combined to create a unique primary key for a table
a)
Primary Key
b)
Foreign Key
c)
Concatenated Primary Key
d)
Secondary Key
27.
The word used to describe a data item that cannot be broken down any further
a)
Atomic
b)
Non-Atomic
28.
The word used to describe a data item that can be broken down any further
a)
Atomic
b)
Non-Atomic
29.
The table should not contain partial dependencies
a)
0NF
b)
1NF
c)
2NF
d)
3NF
30.
All non-key elements are fully dependent on the primary key
a)
0NF
b)
1NF
c)
2NF
d)
3NF
31.
Every non-primary key attribute is fully dependant on the primary key
a)
0NF
b)
1NF
c)
2NF
d)
3NF
32.
All data and fields are in one table
a)
0NF
b)
1NF
c)
2NF
d)
3NF
33.
Repeating groups are removed
a)
0NF
b)
1NF
c)
2NF
d)
3NF
34.
Data must be atomic at this stage
a)
0NF
b)
1NF
c)
2NF
d)
3NF
35.
Ensures no more data is duplicated at this stage
a)
0NF
b)
1NF
c)
2NF
d)
3NF
36.
Most efficient stage for storage requirements
a)
0NF
b)
1NF
c)
2NF
d)
3NF
37.
Least efficient stage for storage requirements
a)
0NF
b)
1NF
c)
2NF
d)
3NF
38.
Flat-file Database
a)
0NF
b)
1NF
c)
2NF
d)
3NF
39.
Fewer files in a normalised table means less storage requirements are needed
a)
Advantage
b)
Disadvantage
40.
Normalised databases are more complex for processing
a)
Advantage
b)
Disadvantage
41.
Normalised databases can be hard to create effective models for
a)
Advantage
b)
Disadvantage
42.
Normalisation makes complex queries easier to process
a)
Advantage
b)
Disadvantage
43.
Succesful operations are permanently saved
a)
Atomicity
b)
Consistency
c)
Isolation
d)
Durability
44.
Any changes must maintain data integrity or be cancelled completely
a)
Atomicity
b)
Consistency
c)
Isolation
d)
Durability
45.
An operation must be completed in its entireity or not at all
a)
Atomicity
b)
Consistency
c)
Isolation
d)
Durability
46.
Any read /write operations will not impact on other read/write operations
a)
Atomicity
b)
Consistency
c)
Isolation
d)
Durability
47.
A measure of database consistency
a)
Record Locking
b)
Transaction Processing
c)
Redundancy
d)
Referential Integrity
48.
A technique which prevents simultaneous access to data in a database
a)
Record Locking
b)
Transaction Processing
c)
Redundancy
d)
Referential Integrity
49.
Information processing that is divided into individual, indivisible operations
a)
Record Locking
b)
Transaction Processing
c)
Redundancy
d)
Referential Integrity
50.
When a field is repeated in two or more tables
a)
Record Locking
b)
Transaction Processing
c)
Redundancy
d)
Referential Integrity
51.
Each PC is an equal participant on the network
a)
Peer-to-Peer
b)
Client-Server
52.
PCs are not reliant on one PC for resources such as the printer.
a)
Peer-to-Peer
b)
Client-Server
53.
One PC acts as the network controller.
a)
Peer-to-Peer
b)
Client-Server
54.
Access to the network is not centrally controlled.
a)
Peer-to-Peer
b)
Client-Server
55.
One PC controls access to network resources
a)
Peer-to-Peer
b)
Client-Server
56.
Network access and security are centrally controlled.
a)
Peer-to-Peer
b)
Client-Server
57.
Needs a special operating system.
a)
Peer-to-Peer
b)
Client-Server
58.
an operate on a basic PC operating system.
a)
Peer-to-Peer
b)
Client-Server
59.
Generally more complex but gives the user more control.
a)
Peer-to-Peer
b)
Client-Server
60.
Generally simpler and lower cost.
a)
Peer-to-Peer
b)
Client-Server
61.
More complex to manage
a)
Peer-to-Peer
b)
Client-Server
62.
Physical Computer
a)
Authentication
b)
Firewall
c)
Proxies
d)
Encryption
63.
Software and Hardware
a)
Authentication
b)
Firewall
c)
Proxies
d)
Encryption
64.
Smart Cards
a)
Authentication
b)
Firewall
c)
Proxies
d)
Encryption
65.
Makes network traffic unintelligible
a)
Authentication
b)
Firewall
c)
Proxies
d)
Encryption
66.
Placed between the network and the outside world
a)
Authentication
b)
Firewall
c)
Proxies
d)
Encryption
67.
Username and Passwords
a)
Authentication
b)
Firewall
c)
Proxies
d)
Encryption
68.
Allows or denies network traffic
a)
Authentication
b)
Firewall
c)
Proxies
d)
Encryption
69.
Stateful packet inspection
a)
Authentication
b)
Firewall
c)
Proxies
d)
Encryption
70.
Most common network layout
a)
Star Topology
b)
Mesh Topology
c)
Bus Topology
d)
Ring Topology
71.
Data has to pass through each node in a circular fashion
a)
Star Topology
b)
Mesh Topology
c)
Bus Topology
d)
Ring Topology
72.
All devices are connected to a backbone
a)
Star Topology
b)
Mesh Topology
c)
Bus Topology
d)
Ring Topology
73.
Multiple routes are available for network traffic
a)
Star Topology
b)
Mesh Topology
c)
Bus Topology
d)
Ring Topology
74.
Can be partially or fully connected
a)
Star Topology
b)
Mesh Topology
c)
Bus Topology
d)
Ring Topology
75.
A switch is needed centrally
a)
Star Topology
b)
Mesh Topology
c)
Bus Topology
d)
Ring Topology
76.
Signals weaken as they travel through the network (Attenuation)
a)
Star Topology
b)
Mesh Topology
c)
Bus Topology
d)
Ring Topology
77.
Packets are received and routed to the intended network device
a)
Wireless Access Point
b)
Switch
c)
Network Interface Card
d)
Router
78.
Allows a device to connect to a network (Wi-Fi or Ethernet)
a)
Wireless Access Point
b)
Switch
c)
Network Interface Card
d)
Router
79.
Packets can be routed through a wide area network
a)
Wireless Access Point
b)
Switch
c)
Network Interface Card
d)
Router
80.
Allows wireless-enabled devices to connect to a network
a)
Wireless Access Point
b)
Switch
c)
Network Interface Card
d)
Router
81.
Personal devices are connected to each other in a home or car
a)
Local Area Network
b)
Wide Area Network
c)
Personal Area Network
d)
Virtual Private Network
82.
Devices are connected together in a single building or campus
a)
Local Area Network
b)
Wide Area Network
c)
Personal Area Network
d)
Virtual Private Network
83.
A part of the network is sealed off from public use and reserved for an organisation
a)
Local Area Network
b)
Wide Area Network
c)
Personal Area Network
d)
Virtual Private Network
84.
It is not a physical network but behaves as one
a)
Local Area Network
b)
Wide Area Network
c)
Personal Area Network
d)
Virtual Private Network
85.
Covers a large geographical area
a)
Local Area Network
b)
Wide Area Network
c)
Personal Area Network
d)
Virtual Private Network
86.
Requires third party hardware to work
a)
Local Area Network
b)
Wide Area Network
c)
Personal Area Network
d)
Virtual Private Network
87.
Forms connections across the network and agrees on the protocols to be used
a)
Application Layer
b)
Transport Layer
c)
Internet/Network Layer
d)
Data Link/Physical Layer
88.
Provides the links to transmit data across different networks
a)
Application Layer
b)
Transport Layer
c)
Internet/Network Layer
d)
Data Link/Physical Layer
89.
Concerned with the production, communication and reception of data
a)
Application Layer
b)
Transport Layer
c)
Internet/Network Layer
d)
Data Link/Physical Layer
90.
Data must be generated in a format that can be used by applications
a)
Application Layer
b)
Transport Layer
c)
Internet/Network Layer
d)
Data Link/Physical Layer
91.
Is not concerned with network types, allowing data between different types of network to be transmitted
a)
Application Layer
b)
Transport Layer
c)
Internet/Network Layer
d)
Data Link/Physical Layer
92.
Designed to make hardware independent so that any data can be sent between any devices across any network
a)
Application Layer
b)
Transport Layer
c)
Internet/Network Layer
d)
Data Link/Physical Layer
93.
Attempting to gain access to a system through cracking passwords
a)
Blagging
b)
Hacking
c)
Human Error
d)
Malware
94.
Weakest part of a network which criminals take advantage of
a)
Blagging
b)
Hacking
c)
Human Error
d)
Malware
95.
Getting people to disclose password through manipulative means
a)
Blagging
b)
Hacking
c)
Human Error
d)
Malware
96.
Software which can harm a device
a)
Blagging
b)
Hacking
c)
Human Error
d)
Malware
97.
Achieved by inserting malicious code into a database field on a website
a)
Phishing
b)
Poor Network Policy
c)
Spyware
d)
SQL Injection
98.
Secretly monitoring user actions
a)
Phishing
b)
Poor Network Policy
c)
Spyware
d)
SQL Injection
99.
Not making users change password regularly
a)
Phishing
b)
Poor Network Policy
c)
Spyware
d)
SQL Injection
100.
Emails designed to appear as a reputable organisation to harvest personal information
a)
Phishing
b)
Poor Network Policy
c)
Spyware
d)
SQL Injection
101.
Malware disguised as legitimate software
a)
Trojan
b)
Virus
c)
Worm
d)
Denial of Service
102.
Attached to certain files and activated by users opening them
a)
Trojan
b)
Virus
c)
Worm
d)
Denial of Service
103.
Self-replicating without any user help and can spread very quickly
a)
Trojan
b)
Virus
c)
Worm
d)
Denial of Service
104.
Flooding a network with useless requests making the network very slow or completely inaccessible
a)
Trojan
b)
Virus
c)
Worm
d)
Denial of Service
105.
When someone attacks a network, for example with malware
a)
Passive Attack
b)
Active Attack
c)
Insider Attack
d)
Brute Force Attack
106.
When someone within an organisation exploits their network access to steal information
a)
Passive Attack
b)
Active Attack
c)
Insider Attack
d)
Brute Force Attack
107.
When someone monitors data travelling on a network and intercepts any sensitive information they find
a)
Passive Attack
b)
Active Attack
c)
Insider Attack
d)
Brute Force Attack
108.
Cracking passwords through repeated trial and error
a)
Passive Attack
b)
Active Attack
c)
Insider Attack
d)
Brute Force Attack
109.
Reduces workload on the server
a)
Client Side Processing
b)
Server Side Processing
110.
Better user experience as no delay of sending and receiving checked data
a)
Client Side Processing
b)
Server Side Processing
111.
Validation is needed here to verify data is correct before being commited to a databases
a)
Client Side Processing
b)
Server Side Processing
112.
Reduces the amount of web traffic
a)
Client Side Processing
b)
Server Side Processing
113.
Essential for database querying which follows the rules of ACID
a)
Client Side Processing
b)
Server Side Processing
114.
Used for unique individual elements
a)
CSS Id
b)
CSS Class
115.
Used for groups of related elements
a)
CSS Id
b)
CSS Class
116.
Uses . in the CSS code e.g .quote
a)
CSS Id
b)
CSS Class
117.
Uses # in the CSS code e.g. #uniquequote
a)
CSS Id
b)
CSS Class
118.
HTML tag used for Ordered Lists
a)
<ol>
b)
<ul>
c)
<li>
119.
HTML tag used for a List Item
a)
<ol>
b)
<ul>
c)
<li>
120.
HTML tag used for Unordered Lists
a)
<ol>
b)
<ul>
c)
<li>
121.
HTML tag used for bold text
a)
<i>
b)
<b>
c)
<u>
122.
HTML tag used for italic text
a)
<i>
b)
<b>
c)
<u>
123.
HTML tag used for underlined text
a)
<i>
b)
<b>
c)
<u>
124.
HTML tag for the largest heading
a)
<h1>
b)
<h2>
c)
<h3>
d)
<h4>
125.
Used to define where elements should appear on a page
a)
HTML
b)
CSS
c)
JavaScript
126.
Used to add extra functionality to a webpage
a)
HTML
b)
CSS
c)
JavaScript
127.
Used to define how text and styles should be formatted on a page
a)
HTML
b)
CSS
c)
JavaScript
128.
What symbol is used to close a HTML tag
a)
*
b)
/
c)
#
d)
{
129.
<img src="image.jpg">
a)
Inserting an image
b)
Inserting a link
c)
Inserting a button
d)
Inserting a video
130.
What does URL stand for
a)
Universal Reference Link
b)
Uniform Resource Locator
c)
Universal Resource Link
d)
Universal Reference Link
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