WorksheetsOCR J275 - Networks Part B
Total questions: 32
Worksheet time: 16mins
Name
Class
Date
1.
This is sample code for a website. What programming language was used to create it?
a)
Java
b)
Python
c)
HTML
d)
Basic
2.
What does HTML stand for?
a)
HyperText Markup Language
b)
Hyper Markup Language
3.
Which HTML tag would you use to give information about a page, without it actually appearing?
a)
<h1> </h1>
b)
<body> </body>
c)
<p> </p>
d)
<head> </head>
4.
Which HTML tag would you use to start and end a paragraph?
a)
<h1> </h1>
b)
<body> </body>
c)
<p> </p>
d)
<head> </head>
5.
Which HTML tag would you use to use for heading text?
a)
<h1> </h1>
b)
<body> </body>
c)
<p> </p>
d)
<head> </head>
6.
Which HTML tag would you use to define the main page content?
a)
<h1> </h1>
b)
<body> </body>
c)
<p> </p>
d)
<head> </head>
7.
What is a disadvantage of writing HTML code, compared with using an application package (web authoring software) like Dreamweaver?
a)
It's time consuming.
b)
Takes up more hard drive space.
8.
Networks can be made secure by using 'access rights' - which is the most suitable definition for this term?
a)
Can be set to disks, folders and files to restrict access. Files can be set to read-only, they can be viewed not changed.
b)
The process of scrambling data so that is not understandable. Most websites are now either 128-bit or 256-bit encrypted.
c)
They should be strong, at least 6 characters containing letters, numbers and symbols. They should be changed regularly.
9.
Networks can be made secure through the use of 'encryption' - which is the most suitable definition for this term?
a)
Can be set to disks, folders and files to restrict access. Files can be set to read-only, they can be viewed not changed.
b)
The process of scrambling data so that is not understandable. Most websites are now either 128-bit or 256-bit encrypted.
c)
They should be strong, at least 6 characters containing letters, numbers and symbols. They should be changed regularly.
10.
Networks can be made secure through the use of 'password protection' - what advice would you give about passwords?
a)
Can be set to disks, folders and files to restrict access. Files can be set to read-only, they can be viewed not changed.
b)
The process of scrambling data so that is not understandable. Most websites are now either 128-bit or 256-bit encrypted.
c)
They should be strong, at least 6 characters containing letters, numbers and symbols. They should be changed regularly.
11.
Define what is meant by the term 'backup'.
a)
A copy of files, stored away from the originals that are currently being used.
b)
A copy of files, stored away from the originals, that are no longer used but kept for reference purposes only.
12.
Define what is meant by the term 'archive'.
a)
A copy of files, stored away from the originals that are currently being used.
b)
A copy of files, stored away from the originals, that are no longer used but kept for reference purposes only.
13.
What is included in a backup policy?
a)
Rules that a network user complies with to use the network. Required to: comply with law, maintain network security and allow fair access for all users.Policy could mean users must not: install software, use own devices eg USB,. Download files or access unauthorised data.
b)
About copying of programs and data to safeguard against loss. Policy could include: Who is responsible, when backup is made, frequency of backups, type of backup - incremental/full, storage medium - cloud, DVD, location old backups and how long backups will be kept.
14.
What is included in an acceptable use policy?
a)
Rules that a network user complies with to use the network. Required to: comply with law, maintain network security and allow fair access for all users.Policy could mean users must not: install software, use own devices eg USB,. Download files or access unauthorised data.
b)
About copying of programs and data to safeguard against loss. Policy could include: Who is responsible, when backup is made, frequency of backups, type of backup - incremental/full, storage medium - cloud, DVD, location old backups and how long backups will be kept.
15.
What is included in a disaster recovery policy?
a)
Procedures for organisation to follow in case of natural disaster. Could include:- How often it is to be tested- List of threats and how to counteract them.- Where all backups will be kept.- Name & person responsible for restoration of data.- Description of which data should be restored.- List of all agencies involved (hardware & software)
b)
About copying of programs and data to safeguard against loss. Policy could include: Who is responsible, when backup is made, frequency of backups, type of backup - incremental/full, storage medium - cloud, DVD, location old backups and how long backups will be kept.
16.
Failover is the process of swapping a system that is faulty to the spare/redundant component. This happens automatically without the user noticing. True or false?
a)
True
b)
False
17.
What security precaution would you suggest to avoid accidental data deletion by users?
a)
Backup and restore procedures
b)
Passwords, firewall, access rights
c)
Backup and restore procedures. Disaster recovery.
d)
Access rights, backup and restore and acceptable use policies.
18.
What security precaution would you suggest to avoid hackers?
a)
Backup and restore procedures
b)
Passwords, firewall, access rights
c)
Backup and restore procedures. Disaster recovery.
d)
Access rights, backup and restore and acceptable use policies.
19.
What security precaution would you suggest to protect against natural disasters?
a)
Backup and restore procedures
b)
Passwords, firewall, access rights
c)
Backup and restore procedures. Disaster recovery.
d)
Access rights, backup and restore and acceptable use policies.
20.
What security precaution would you suggest to protect against curious students "Just seeing what happens when you click....."?
a)
Backup and restore procedures
b)
Passwords, firewall, access rights
c)
Backup and restore procedures. Disaster recovery.
d)
Access rights, backup and restore and acceptable use policies.
21.
Why is it important that files are 'compressed' when being transmitted via the internet?
a)
Because smaller files take less time to transmit. This means web pages take less time to load.
b)
So they are kept safe and secure when being transmitted.
22.
What is meant by 'lossy' compression'?
a)
Files are made smaller by permanently removing data, which is then lost. This results in a loss of quality. Generally used for images, audio and video files.
b)
Files are made smaller but no data is lost. Generally used for text or spreadsheet files, where losing words or financial data could pose a problem.
23.
What is meant by 'lossless' compression'?
a)
Files are made smaller by permanently removing data, which is then lost. This results in a loss of quality. Generally used for images, audio and video files.
b)
Files are made smaller but no data is lost. Generally used for text or spreadsheet files, where losing words or financial data could pose a problem.
24.
Which of the following is a common video file type?
a)
.jpeg
b)
.mp3
c)
.mpg
d)
.pdf
25.
Which of the following is a common audio file type?
a)
.jpeg
b)
.mp3
c)
.mp4
d)
.pdf
26.
Which of the following is a common document file type?
a)
.jpeg
b)
.mp3
c)
.mp4
d)
.pdf
27.
Which of the following is a common image type?
a)
.jpeg
b)
.mp3
c)
.mp4
d)
.pdf
28.
Which of the following is a 'lossy' image file type?
a)
.jpeg
b)
.png
c)
.mp3
d)
.wav
29.
Which of the following is a 'lossless' image file type?
a)
.jpeg
b)
.png
c)
.mp3
d)
.wav
30.
Which of the following is a 'lossy' audio file type?
a)
.jpeg
b)
.png
c)
.mp3
d)
.wav
31.
Which of the following is a 'lossless' audio file type?
a)
.jpeg
b)
.png
c)
.mp3
d)
.wav
32.
Which of the following is a 'lossy' video file type?
a)
.jpeg
b)
.wav
c)
.mpg
d)
.wav
100 %
