Ryan should apply a filter/criteria on the Courses column and view all the courses that show Sociology
Answer:
1
Explanation:
Anything to the 0th power is 1. However, 0⁰ is undefined.
Statement two and three is correct.
Statement 1 is incorrect. A relative reference changes when a formula is copied to another cell while Absolute references remain constant. However, it is safe to say that an absolute address can be preceded by a $ sign before both the row and the column values. It is designated by the addition of a dollar sign either before the column reference, the row reference, or both. Statement C is also correct. A mixed reference is a combination of relative and absolute reference and the formula (= A1 + $B$2) is an example of a mixed cell reference.
Answer:
User roles and access authorization
(Explanation of this question is given below in the explanation section.
Explanation:
As noted in question that a terminated employee comeback in office and installed some malicious script on a computer that was scheduled to run a logic bomb on the first day of the following month. And, that script will change administrator passwords, delete files, and shut down over 100 servers in the data center.
The following problem can be with that account
- Unauthorized user access and privileges
The user may be given unauthorized access to system resources. If a user has unauthorized access to system resource then he can modify or destroy the system function easily.
- The firewall may be disabled to detect the malicious script
The firewall should be enabled to detect such types of attack from unauthorized access to the system
May be user role is not defined properly. If role would be defined according to user role then there are very fewer chances in doing unauthorized changes in the system that will result in an unexpected outage.
Answer:
Hackers frequently spend long hours examining the types and structures of targeted systems because they must use guile, or fraud to bypass the controls placed on information owned by someone else.
Explanation
The perception of a hacker has evolved over the years.
- The traditional hacker profile was a male, aged 14 to 18.
- 76% of hackers are men whose ages are between 14 years (8%) to 50 (11%). The average age is 35 years (43%).
- A hacker is persevering, patient, creative, bright and having a passion for what he does.
- Hackers today can be expert or novices.
- The experts create the software and schemes to attack computer systems.
- While the novices merely use software created by the experts.
