Answer:
a) Consider sequence numbers,First segment=90
Second segment=110
Data in the first segment = 110-90 =20
b) Consider the first segment is lost but the second segment arrives at B. In the acknowledgment that Host B sends to Host A, then the acknowledgment number will be first segment of sequence number, that is 90.
Explanation:
Answer: B. both output compatible data types for each column and return the same number of rows.
Explanation:
In order for two queries to be UNION-compatible, they must be both output compatible data types for each column and return the same number of rows.
It should be noted that two relations are union compatible when both relations have the same attributes and also the domain regarding the identical attributes are thesame.
Answer:
No
Explanation:
Because a lot of time they are fake.
Answer:
could you shorten it a little?
Explanation:
Answer:
design walk-through
Explanation:
In addition to analyzing logic and program code, a project team usually holds a session with users, called a <u>design walk-through</u>, to review the interface with a cross-section of people who will work with the new system and ensure that all the necessary features have been included.
A design walk-through is a quality practice that allows designers to obtain an early validation of design decisions related to the development and treatment of content, design of the graphical user interface, and the elements of product functionality.