A partial dependency exists.
We have two types of dependency. The partial dependency and the transitive dependency.
The answer here is partial dependency. It occurs when the attribute only depends on some parts of the element. In such attribute, the primary key is the determinant.
It can be shown as;
XY→WZ , X→W and XY is the primary key or the only candidate key
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Answer:
User Datagram Protocol (UDP) , transport-layer segment.
Explanation:
The User Datagram Protocol is popularly known as UDP. It is defined as the communication protocol which is used across the internet for any time sensitive transmission like the DNS lookup or the video playback.
The UDP provides a unreliable and connectionless service to a invoking application.
The transport layers on sending side converts the application 
messages which it 
from the 
into a transport layer segment called as the transport layer segments. This is achieved by breaking down the application messages into a smaller chunks and then adding the transport layer header into each chunk so as to create a transport layer segment.
Answer:
C. &&
Explanation:
Of the options provided:
A) ++ : increment operator. For example : ++1 = 2
B) || : Logical OR operator. A || B is true if any one of A or B is true.
C) && : Logical AND operator. A && B is true if both A and B are true.
A B A && B
False False False
False True False
True False False
True True True
D) @ : Ampersand character (commonly used in email addresses) e.g, [email protected]
The kinds and ways to improve your diagnostic and troubleshooting skills are:
- Be Relax and never panic when you encounter it.
- Know everything about your computer.
- Look for solutions and clues and state them down.
- Find out the repeatability.
<h3>What is diagnostic and troubleshooting?</h3>
Diagnosing is known to be the act of finding out the root cause of any issue through an act of elimination but troubleshooting is known to be the act of fixing of the problem after diagnosis is said to have been carried out.
Therefore, The kinds and ways to improve your diagnostic and troubleshooting skills are:
- Be Relax and never panic when you encounter it.
- Know everything about your computer.
- Look for solutions and clues and state them down.
- Find out the repeatability.
Learn more about troubleshooting skills from
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A. because everyone basically has seen it..
