An error-detection code by itself does not control errors, but it can be used to request repeated transmission of errored code words until they are received error-free. This technique is called ARQ. In terms of error performance, ARQ outperforms forward error correction (FEC) because code words always are delivered error-free (provided the error-detection code doesn't fail). However, this performance does not come free of charge - we pay for it with decreased throughput.
The chief advantage of ARQ is that error detection requires simpler decoding than error correction. ARQ also is adaptive because it only re-transmits information when errors occur. On the other hand, ARQ schemes require a feedback path that may not be available.
1. error control; 2. flow control; 3. segmentation and reassembly; 4. multiplexing; 5. connection setup.
I think this is about networking not banking. ATM stands for Asyncrhonous Transfer Mode and HEC stands for Header Error Control.
3.a Explain Stop-and-Wait Error Control and Sliding Window Error Control techniques.
Data link error control checks for error in each router and end-system, but transport layer error control checks for error only at the end-systems.
The acronym NAC in the field of networking stands for Network Access Control. Network access control is used for security in computer systems such as antivirus software.
Media Access Control
The acronym SCCP is used in networking to abbreviate ' Signaling Connection Control Part'. This is used by those individuals that work in the telecommunications or networking fields.
Signalling Connection Control Part
Error Control Flow Control Line Discipline
CRC is used for this purpose. The control field is HEC (header error control).
networking
High level data link control