Which of the following requires a custom CloudWatch metric to monitor?
A. Memory Utilization of an EC2 instance
B. CPU Utilization of an EC2 instance
C. Disk usage activity of an EC2 instance
D. Data transfer of an EC2 instance
Answer: A. Memory Utilization of an EC2 instance
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Answer the following statements true (T) or false (F)
1. The body of a For...Next loop in Visual Basic will always be executed once no matter what the initial and terminating values are. 2. If the terminating value of a For...Next loop is less than the initial value, then the body of the loop is never executed. 3. If one For...Next loop begins inside another For...Next loop, it must also end within this loop. 4. The value of the counter variable in a For...Next loop need not be a whole number. 5. One must always have a Next statement paired with a For statement.
What does the author think will help you more than lists of usability do’s and don’ts?
a. Reading lots of books about usability b. Studying human factors and ergonomics c. Knowing some key usability principles d. Reading as many blogs as possible