C3

Question 1

Ad hoc

Answer 1

Temporary network with 2 or more devices that don’t need fixed hardware

Question 2

Advantages of adhoc

Answer 2

Easy to set up
No specialist hardware

Question 3

Disadvantages of adhoc

Answer 3

Less secure
No central control device
Poor signal reduces access to the internet
Sharing connection makes the device slow

Question 4

Open Wi-Fi

Answer 4

Wi-Fi that doesn’t have encryption that is offered for free in public spaces

Question 5

Security problems with open Wi-Fi

Answer 5

Hacker can view data because there’s no encryption

Question 6

How to combat problems with open wifi

Answer 6

Only connect to wifi that has WPA2
Use vpn

Question 7

Personal hotspot

Answer 7

A feature that allows you to connect devices to your phone and share wifi by using tethering

Question 8

PAN

Answer 8

Personal area network
Connects devices together using wifi and Bluetooth
Devices need to be paired

Question 9

Ways of connecting to the internet

Answer 9

Cables
Mobile
Satellite

Question 10

Case study- festivals

Answer 10

Lots of people try to connect to the same network base station
So no signal

Companies can bring in more stations

Question 11

Rural vs city

Answer 11

Cities have faster internet because there’s more people to share the cost of installing fibre cables
In rural areas they don’t have the money and often don’t have any infrastructure at all

Question 12

Countries and Wi-Fi

Answer 12

Some countries have limited infrastructure
Fewer cables so have to use satellites which is expensive

Question 13

Cloud storage

Answer 13

A way of storing files and folders remotely, using the internet

Question 14

Cloud

Answer 14

Remote servers

Question 15

Uploading

Answer 15

Using the internet to allow access to the document and others

Question 16

Downloading

Answer 16

Taking a file and allowing you to see it even when there is no internet because it’s in your drive

Question 17

Features of cloud storage

Answer 17

Access rights- user who shares the file restricts what other people can do to the document
Availability- can be accessed any where at any time with an internet connection
Syncing- when changes are made the system syncs all the files to make sure the content is the same
Scalable

Question 18

Cloud computing

Answer 18

Having applications available online

Question 19

Example of cloud computing

Answer 19

Google suite
Office 365 on browsers

Question 20

Benefits of cloud computing

Answer 20

No need to install software
Less training needed
Scalable

Question 21

Aspects to consider when choosing a cloud service provider

Answer 21

Disaster recovery - checking if the company has a plan in case anything goes wrong
Security of data - large companies have the resources and knowledge to keep up to date with security breaches

Question 22

Performant issues with cloud technologies

Answer 22

Needs a reliable internet connection, using fibre optics
Some tasks are better suited to traditional computing methods, for example editing videos have large files that Amy not work well with cloud technologies

Question 23

Private communications with stakeholders

Answer 23

Emails and live chats
Allows them to be notified of interesting developments and new features
Live chats can answer questions

Question 24

Public communications

Answer 24

Social media
Website
He,ps market things and gives info

Question 25

Local platform

Answer 25

Software that is installed as part of the computers operating system

Runs faster than a web app
Only accessible on the device so limits collaboration

Question 26

Web based platform

Answer 26

Software is run from the cloud
Accessible anywhere via internet
Migh the slow of connection is slow

Question 27

Why are systems attacked

Answer 27

Data and info theft
Personal challenge
Disrupting their business
Personal reasons
Financial gain
Industrial espionage

Question 28

External threats

Answer 28

Come from outside the company

Question 29

Ways of external threats

Answer 29

Unauthorised access- guessing passwords, black hat hacking
Malware-viruses, trojans, ransomeware
Denial of service attack - attacker floods the website with loads of requests that make the website unresponsive
Phishing - sends fake emails to gain access

Question 30

Internal threats

Answer 30

Visiting untrustworthy websites
Following links in emails
Unintended disclosure of detail
Stealing into
USBs
Overriding security controls

Question 31

Firewall

Answer 31

Acts as a filter for suspicious things

Question 32

Trademark

Answer 32

Protects brands from other people using them.

Question 33

Patents

Answer 33

Limited property that prevents others from copying an invention for up to 20 years.

Question 34

Copyright

Answer 34

Protects creative works being copied or performed without the creators permission. Lasts for 70 years after their death.

Question 35

Data flow

Answer 35

Inputs and outputs
Rectangle= system
Ovals: people
Arrows always go to systems and then entities
No start or end

Question 36

Flow chart

Answer 36

Start and ends
Process : rectangle
Decision is a diamond
Function is a parallelogram

Question 37

Bluetooth

Answer 37

Short range technology that connects multiple devices

Question 38

Tethering

Answer 38

Where a smartphone acts as an access point allowing for others devices to connect

Question 39

Personal hotspot

Answer 39

Using a internet connectivity when connected to a device to access the internet

Question 40

Issues affecting network availability

Answer 40

Rural locations have less residents so they don’t get the same investment in infrastructure which means they have a poor network
Developing countries don’t have as much investment
If they have services like streaming that means it uses a lot of resources which can slow the system down
Blackspots- places that block wireless signals