Get premium membership and access questions with answers, video lessons as well as revision papers.
a) Packet filter
Screens packets based on IP address and packet option. Operate on th3e IP packet level and make security decision whether to forward or not forward packet based on the header of the packets
b) Circuit gateways
Operate at network transport layer connection are authorized based on addresses
c) Application gateways
Operate at the application level and can examine application date level.
lydiajane74 answered the question on May 4, 2018 at 18:33
- Characteristics of a distributed system(Solved)
Characteristics of a distributed system
Date posted: May 4, 2018. Answers (1)
- Examples of a distributed system(Solved)
Examples of a distributed system
Date posted: May 4, 2018. Answers (1)
- Features of distributed system(Solved)
Features of distributed system
Date posted: May 4, 2018. Answers (1)
- The features of a centralized system that separate them from distributed system(Solved)
The features of a centralized system that separate them from distributed system
Date posted: May 4, 2018. Answers (1)
- What is Distributed system?(Solved)
What is Distributed system?
Date posted: May 4, 2018. Answers (1)
- What is the difference between Simplex and Duplex?(Solved)
Give the differences between Simplex and Duplex.
Date posted: May 4, 2018. Answers (1)
- What is the difference between Attenuation and Broadcast?(Solved)
Distinguish between Attenuation and Broadcast.
Date posted: May 4, 2018. Answers (1)
- What is the difference between Bandwidth and Protocol?(Solved)
Differentiate between Bandwidth and Protocol.
Date posted: May 4, 2018. Answers (1)
- What is the difference between Data Terminal Equipment (DTE) and Data Circuit-Terminating Equipment (DCE) components of a computer network?(Solved)
Differentiate between Data Terminal Equipment (DTE) and Data Circuit-Terminating Equipment (DCE) components of a computer network.
Date posted: May 4, 2018. Answers (1)
- What are the factors to consider when choosing the appropriate physical network topology?(Solved)
You have been approached by your organization as an IT expert to assist in the development of a computer network within your department. Briefly explain the factors to consider when choosing the appropriate physical network topology.
Date posted: May 4, 2018. Answers (1)
- What is the most appropriate physical network topology likely to be used between three employees working in the same department and the number does not...(Solved)
Explain the most appropriate physical network topology likely to be used between three employees working in the same department and this number does not intend to increase in the near future.
Date posted: May 4, 2018. Answers (1)
- What is the most appropriate physical network topology likely to be used between ten employees working in the same department and their boss?(Solved)
Explain the most appropriate physical network topology which is likely to be used between ten employees who work in the same department and their boss.
Date posted: May 4, 2018. Answers (1)
- What is the most appropriate physical network topology likely to be used between ten employees working in the same department?(Solved)
Briefly explain the most appropriate physical topology which you are likely to use between ten employees who work in the same department.
Date posted: May 4, 2018. Answers (1)
- What is the difference between logical and physical topology?(Solved)
Differentiate between logical and physical topology.
Date posted: May 4, 2018. Answers (1)
- What is network topology?(Solved)
Define the term network topology.
Date posted: May 4, 2018. Answers (1)
- What is the use of a Gateway?(Solved)
Briefly describe the use of a Gateway.
Date posted: May 4, 2018. Answers (1)
- What is the use of a bridge?(Solved)
Describe the use of a bridge.
Date posted: May 4, 2018. Answers (1)
- What is the use of a switch?(Solved)
Describe the use of a switch.
Date posted: May 4, 2018. Answers (1)
- What is the use of Hubs or Concentrators?(Solved)
Briefly describe the use of Hubs or Concentrators.
Date posted: May 4, 2018. Answers (1)
- What is the use of Multiplexer(Mux)?(Solved)
Describe the use of Multiplexer(Mux).
Date posted: May 4, 2018. Answers (1)