The Internet

Question 1

what is the internet

Answer 1

The Internet is a global network of networks

Question 2

what is the WWW

Answer 2

The World Wide Web is a collection of information which is accessed via the internet

Question 3

what type of network is the internet

Answer 3

a WAN

Question 4

what is intranet

Answer 4

a private network that only gives users of that organisation access to the data

Question 5

what is the extranet

Answer 5

a public network that can be accessed by an organisation and external users such as customers

Question 6

what is an example of extranet

Answer 6

asn eccomerse site

Question 7

what is an example of intranet

Answer 7

a school network

Question 8

what is DNS

Answer 8

a Domain name server is a server that holds the names and IP addresses of websites

Question 9

what are the steps for the DNS process

Answer 9

• user enters the domain name into the browser
• the device contacts the DNS to find the domain name
• if the server returns the IP address to the device
• the device contacts the website using the IP Address

Question 10

what happens if a DNS server does not have a domain name

Answer 10

the client will try another server

Question 11

what is meant by hosting

Answer 11

a web hosting service is a provider that hosts clients websites through their own server

Question 12

why is hosting used (3 reasons)

Answer 12

• they offer facilities to create and maintain websites
• manages security updates
• cheaper than buying all the equipment

Question 13

what are 4 pros of cloud computing

Answer 13

lower set-up costs
can add more capacity over time
files can accessed from anywhere
encourages collaboration
data is backed up automatically

Question 13

what are 3 cons of cloud computing

Answer 13

Internet connection required
technical issues can cause downtime
security risks
increased cost when more storage is required

Question 14

what is an in-house server

Answer 14

a computer system that is managed and maintained on the premises, as opposed to being hosted by a third-party service provider

Question 15

give 3 examples of organisations that may use in-house servers

Answer 15

large corporations
government agencies
small/medium-sized businesses

Question 16

why might large corporations use in-house servers

Answer 16

as they handle large amounts of data

Question 17

why might government agencies use in-house servers

Answer 17

because they handle sensitive information that requires strict control

Question 18

why might small businesses use in-house servers

Answer 18

they might require specialised software that is not available in cloud-based solutions

Question 19

what are 4 pros of in-house servers

Answer 19

• complete control and ownership of data
• can be customised to meet needs of businesses
• faster access to data as it is located on-site
• lower long-term costs

Question 20

what are 3 cons of in-house servers

Answer 20

• high up-front costs
• require maintenance and upgrades
• limited scalability