Module 2.1: introducing network Flashcards
What is a network?
A collection of computers and other devices that are connected either via cable or wirelessly.
Networks can be local (LAN) or wide-area (WAN).
What is a server?
A powerful computer that provides shared resources in a network.
Servers can host applications, files, and databases.
Define the Internet.
A global network consisting of many networks that are connected to each other.
The Internet enables communication and data sharing across the globe.
List advantages of using a network.
- Fast, efficient communication
- Sharing resources
- Centralisation of data
- Flexible access
- Leisure activities
- Increased control and security
These advantages enhance productivity and accessibility.
What does ‘centralisation of data’ refer to?
Keeping data that more than one person or organisation needs to access on a central computer.
This can be applied in both small (home office) and large (chain store databases) environments.
True or False: Increased control and security in a network includes performing backups and updating software.
True
These practices are essential for maintaining data integrity and security.
Fill in the blank: _______ is a disadvantage of networks regarding data security.
Confidential data is vulnerable, if not properly secured.
Proper security measures are crucial to protect sensitive information.
What is a disadvantage of setting up certain types of networks?
Expensive to set up and maintain.
Costs can include hardware, software, and ongoing management.
How can harmful software impact a network?
Harmful software can spread quickly via a network.
This highlights the importance of network security measures.
What can network faults lead to?
Loss of data, or inability to access data.
Regular maintenance and monitoring can help mitigate these risks.
What does POPIA stand for?
Protection of Personal Information Act.
This act governs the processing of personal information in South Africa.
