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Determine the Objectives of computer security
Though computerisation helps a lot in proper organisation of experience, it also opens a Pandora's Box simultaneously.
On one side lie the benefits of proper organisation and quick access to the experience and on the other side there are hidden problems of dishonesty, distrust and a number of unforeseen and unwanted conditions.
Q. Why we use numbering frames? Why numbering frames? Stop--and-wait ARQ, 1. Numbering Frames prevents the retaining of duplicate frames.. 2. Numbered acknowled
Can you describe autonomous numbers in EGP?
What are the popular topologies other than basic Topologies? Apart from basic topologies some other topologies worth considering are: mesh topology (each device linked to all o
Advantages There are times when using packet filters makes sense. If the connections require high throughput or the protocols has proprietary technology that makes it
What are the Disadvantages of Microwaves? a. Attenuation by solid objects: birds, snow, rain, and fog. b. Reflected from flat surfaces such as water and metal. c. Diffra
Directly linked network have the lowest administrative distance of 0. They are considered the most reliable.
Question: (a) (i) Distinguish between Physical topology and Logical topology. (ii) Explain the following statement with the help of a diagram: "A star topology can have a l
NETWORK MANAGEMENT & SECURITY 1. Describe a basic communication model. 2. State the following terms: a. Configuration Management b. Fault Management c. Security Management
The Network layer is used to route physical data to the destination point, it decides the actual path from where data travels to destination point. The network layer supports both
REPEATERS: Repeaters are needed when copper wire communication is takes place. According to the fact that electrical signal goes weaker while travelling over copper lines. A
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