Which layer is responsible for establishing and maintaining the communications link between nodes?
A. Layer 2
B. Layer 3
C. Layer 4
D. Layer 5
Answer: D
You might also like to view...
A(n) __ heading acts as a subtitle by grouping it with a main title heading using the hgroup element.
A. li B. h1 C. h2 D. both b and c
Discuss whether it is possible to improve upon the ‘pull’ model of service discovery by multicasting (or broadcasting) and caching replies to queries.
What will be an ideal response?
Answer the following statements true (T) or false (F)
1. In the Systems Development Life Cycle (SDLC), several activities may occur simultaneously, and activities may be repeated. 2. When implementing a new system, it is always best to determine the human needs of the users involved. 3. When answering questions concerning human-computer interaction (HCI) the analyst should ask questions such as, "What are the users' physical strengths and limitations?" 4. The first phase of the systems development life cycle is critical to the success of the rest of the project. 5. The second phase of the systems development life cycle begins with the documentation of the software being designed.
Briefly discuss the importance of debugging in the software lifecycle, and provide some insight on the errors that are corrected during the debugging process.
What will be an ideal response?