Answer:
The answer is "number of the column containing the return value".
Explanation:
In Excel, the "VLOOKUP" method is used to perform the vertical search by looking for both the value during the user table and retrieving the number of the index number location in the same row. It is a built-in function, which is classified as a Lookup or Reference worksheet function, and the following function can be defined as follows:
- In the 1st parameter, it is used to watch the value for the match.
- In the 2nd parameter, it is used to search the table.
- In the 3rd parameter, it is used as the column number representing the return value.
- In the 4th parameter, it is used to return only if the same match is found.
Answer:
File manager
Explanation:
From the list of options 1 to 4, only option (2) is correct
Explaining the options one after the other
- Web browser: It lets users access the internet
- File Manager: Used to create and manage files/folders
- User Interface: Means which the user of a computer interacts with the computer
- File Reader: Used to read the content of a file. e.g. Adobe reader for pdf files, Notepad for text files, etc.
Having explained the options one after the other, <em>the file manager </em>is the answer to this question.
Answer:
C. Bell and LaPadula
Explanation:
The first mathematical models of multilevel security computer system was developed by Bell and Lapadula. Their full names are David Elliot Bell and Leonard J. Lapadula. Their model used to define the concept of modes of access,secure state machine and outlined the rules of access.
