Unit 1 - LO3 Understanding Business IT Systems

Question 1

Server

Answer 1

.A powerful computer or device which serves a particular need for a network
. Can also be a piece of software that operates on a network device

Question 2

File

Answer 2

. Useful for businesses or individuals who need to hold and manage a large number of files
. Stores files, indexes them and remembers where they are to retrieve them
. It also takes responsibility for the security of all the files
. Ensures backups are done at an agreed time

Question 3

Print

Answer 3

. Manages the printing of documents
. Controls printers on the network and allows employees to send print requests to specific printers
. Also re-routes print requests if there are any problems

Question 4

Application

Answer 4

. Install, operate and monitor the applications shared by other devices on the network
. Also manages security and permissions of certain applications

Question 5

Database

Answer 5

. Manages databases with multiple users

. Provides computers with services relating to the access and retrieval of data from a database

Question 6

Web

Answer 6

. Can be hardware or web server software

. Reacts to the HTTP requests to deliver content and services form a client

Question 7

Mail

Answer 7

. Software or Hardware which acts as an electronic post office
. Receives emails from users on the network both internally and externally
. Forwards it onto the recipients, who may be internal or external
. For external senders the mail server send the mail onto the server of the recipients domain.
. The mail server uses SMTP to send the mail
. The mail server uses POP3 or IMAP to receive it

Question 8

Hypervisor

Answer 8

. Manages different operating systems or copies of the same operating system on a single computer or computer system
. Manages operating systems so that it receives the resources it needs