Computer Networks - Computer Networks Section 3
- Option : D
- Explanation : Delimiter flag: 0111
Data sequence: 01110110
So, for a flag of 4 bits we will compare data sequence with pattern of 3 bits i.e. 011. Data sequence : 0 1 1 1 0 1 1 0
The underlined bits are found matched, hence, 0 is stuffed.
Thus resulting in the data sequence as 0110101100 which is option (d).
- Option : B
- Explanation : The given 8-bit delimiter pattern is 01111110.
The output bit-string after stuffing is 01111100101.
The above bold underline bit is stuffed bit.
So input bit-string must be 0111110101.
- Option : D
- Explanation : Ethernet address is basically the MAC address, which is supposed to be unique to a NIC. Thus it is unique over the Internet.
- Option : B
- Explanation : Minimum transmission time
= (84 bytes) / (2*100 bps)
= (84 * 8 bits) / (2*100 bps)
= 3.36 seconds
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