Answer:
This explanation is true.
Explanation:
The most common forms of encryption used today are;
- Data Encryption Standard / DES
- Triple DES
- Advanced Encryption Standard / AES
which are mostly symmetric encryption protocols. They use the same key codes for both parties involved in the communication process.
Asymmetric Encryption is widely used in daily communications that is done over the internet and it uses different keys for each party. The public key encrypts the message and then it is sent over to the recipient. The secret key which they have exchanged is then used the decrypt the message.
I hope this answer helps.
Answer: A) Policy
Explanation:
Security policy framework is the regulations that are links the information security of an organization with the professionals and business .It maintains the responsibilities and documentation with security .
- Policy is the document containing expectation,importance, requirement and scope of an organization about security .This security plan is high level document that need to be approved by higher management for implementation in company.
- Other options are incorrect because standard principles, guidelines in form of regulation and procedure is the manner that is not required for to be permitted by higher management for being implemented on the business organization.
- Thus the correct option is option(A).
Answer:
Commands: commands are also known as "programs" and the program is a set of rules that performs a specific task which is executed by a computer.
Unix is an operating system. that supports multi-tasking and multi-user functionality. Unix is most widely used in all forms of computing systems such as desktop, laptop, and servers. It provides a Graphical user interface similar to windows.
The Unix operating system there are various commands. The list of five Unix commands can be given as:
1) cal
2) date
3) banner
4) who
5) whoami
1)cal:
The cal command stands for calender. It displays the date.
Syntax:
$ cal
or
$ cal [[month] year]
Example:
$ cal 10 2019
2)date:
The date command stands for date and time. It displays the system date and time.
Syntax:
$date
or
$ date[+format]
Example:
$ date +%d/%m/%y
3) banner
The banner command stands for display the text in to a large size.
Syntax:
$banner message
Example:
$banner Unix
4) who
The who command stands for display the list of users currently logged in.
Syntax:
$who
or
$who [option] … [file][arg1]
Example:
$who
5) whoami
The whoami command stands for display the user id of the currently logged-in user.
Syntax:
$whoami
Example:
$whoami
Explanation:
1)cal command display the current month and year.
2)date command display system date and time.
3)banner command display text in large size.
4)who command display the user name who currently login.
5)whoami command display user id.
