Which operator can be used in string concatenation?
a. *
b. +=
c. ++
d. =+
b. +=
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Opening a file for output means that
(A) data may be stored onto the disk. (B) data may be read from the disk. (C) anything that appears as output on the screen is written to the disk. (D) data may be read from and stored onto the disk.
FIGURE OL 2-1
If you received the message in Figure OL 2-1 above, and want to set up a reminder for this year only, you should ____.
A. select "Open this occurrence." B. select "Open the series." C. Click the Cancel button D. Click the "!"
What does the following command do with respect to the Amazon EC2 security groups? ec2-revoke RevokeSecurityGroupIngress
A. Removes one or more security groups from a rule. B. Removes one or more security groups from an Amazon EC2 instance. C. Removes one or more rules from a security group. D. Removes a security group from our account.
Only a computer's assigned user can delete user accounts. ____________________
Answer the following statement true (T) or false (F)