Over a TCP connection, suppose host A sends two segments to host B, host B sends an acknowledgement for each segment, the first acknowledgement is lost, but the second acknowledgement arrives before the timer for the first segment expires is True.
True
<u>Explanation:</u>
In network packet loss is considered as connectivity loss. In this scenario host A send two segment to host B and acknowledgement from host B Is awaiting at host A.
Since first acknowledgement is lost it is marked as packet lost. Since in network packet waiting for acknowledgement is keep continues process and waiting or trying to accept acknowledgement for certain period of time, once period limits cross then it is declared as packet loss.
Meanwhile second comes acknowledged is success. For end user assumes second segments comes first before first segment. But any how first segment expires.
The " Object - Oriented" database structure is considered one of the key technologies of a new generation of Web-based applications.
Answer:
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B. With. Width isn't a boolean comparative operator
Answer:
The correct answer for the given question is option(b) i.e " No subject line"
Explanation:
In the e-mail subject is the important part which describe the information which kind of particular mail is send or received .if we do not give any subject line in the e-mail header then most of the chances that email will not read by recipients due to this suspicion will be caused.
Unknown Sender and Multiple recipients do not cause suspicion so the correct answer is option(b) i.e No subject line".
