A Firewall is a device or software system that filters the data & information exchanged between different networks by enforcing the access control policy of the host network.
A firewall monitors & controls access to or from protected networks. People (remote users) who do not have permission cannot access the network, and those within cannot access sites outside the network restricted by firewalls.
gideon1 answered the question on September 24, 2017 at 13:38
- Define (VPN) virtual private network(Solved)
Define (VPN) virtual private network
Date posted: September 24, 2017. Answers (1)
- Explain the use of network security appliances(Solved)
Explain the use of network security appliances
Date posted: September 24, 2017. Answers (1)
- Define the term program as used in computers(Solved)
Define the term program as used in computers
Date posted: September 24, 2017. Answers (1)
- Explain the purpose of a hub on a network
(Solved)
Explain the purpose of a hub on a network
Date posted: September 24, 2017. Answers (1)
- What is a computer?
(Solved)
What is a computer?
Date posted: September 18, 2017. Answers (1)
- Express 622 Base 10 in BCD form(Solved)
Express 622 Base 10 in BCD form
Date posted: September 15, 2017. Answers (1)
- List down six rules of flowcharting(Solved)
List down six rules of flowcharting
Date posted: September 15, 2017. Answers (1)
- Distinguish between footnotes and footers(Solved)
Distinguish between footnotes and footers
Date posted: September 15, 2017. Answers (1)
- Give two reasons why it is necessary to have a program design before coding(Solved)
Why is it necessary to have a program design before coding?
Date posted: September 15, 2017. Answers (1)
- What is the difference between broadband and base band transmission?(Solved)
Give the differences between broadband and base band transmission?
Date posted: September 15, 2017. Answers (1)
- (a) Define Videoconferencing (a) List four hardware required for videoconferencing(Solved)
(a) Define Videoconferencing (a) List four hardware required for videoconferencing
Date posted: September 14, 2017. Answers (1)
- Write down two advantages of computer output on microfilm (COM)(Solved)
What are the advantages of computer output on microfilm (COM)?
Date posted: September 14, 2017. Answers (1)
- List three different hardware components that accompany an electronic point of sales (POS) terminal in a supermarket.(Solved)
List the different hardware components that accompany an electronic point of sales (POS) terminal in a supermarket.
Date posted: September 14, 2017. Answers (1)
- When using windows, a form 4 student was unable to save his Microsoft Word work on a floppy disk. List down six possible causes for...(Solved)
When using windows, a form 4 student was unable to save his Microsoft Word work on a floppy disk. List down six possible causes for this problem.
Date posted: September 14, 2017. Answers (1)
- What are the keyboard combinations for creating a hyperlink in a web page or any document?(Solved)
What are the keyboard combinations for creating a hyperlink in a webpage or any document?
Date posted: September 12, 2017. Answers (1)