problem 1: The code 11110101101 was received. By using hamming code what is the original code sent?

problem 2: In a single-bit error correction, a code of three bits can be in one of four states: no error, first bit in error, second bit in error and third bit in error. How many of such bits must be redundant to correct this code? How many bits can be the real data?

problem 3: Describe the differences between a standards creation committee, a forum and a regulatory agency.

problem 4: Why are protocols required?

problem 5: Why are standards required?

problem 6: What are the main elements of the protocol?

problem 7: What is the basic difference between de facto standard and a de jure standard?

problem 8: What is the main purpose of the ITU-T and ANSI?

problem 9: What is the main difference between the IEEE and EIA?

problem 10: Name the OSI layers which are network support layers?