Which statement is true about a non-static inner class?
a. It must implement an interface.
b. It is accessible from any other class.
c. It can only be instantiated in the enclosing class.
d. It must be final if it is declared in a method scope.
e. It can access private instance variables in the enclosing object.
e. It can access private instance variables in the enclosing object.
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Public clouds are ________.
A. accessed through an extranet B. accessed through an intranet C. accessed through the internet D. stretched across different businesses in an industry
Answer the following statements true (T) or false (F)
1. The firewall may be a single computer system or a set of two or more systems that cooperate to perform the firewall function. 2. A firewall can serve as the platform for IPSec. 3. The firewall can protect against attacks that bypass the firewall. 4. A packet filtering firewall is typically configured to filter packets going in both directions. 5. One disadvantage of a packet filtering firewall is its simplicity.
List the steps to set margin and padding space in the Box Model.
What will be an ideal response?
The df utility displays all mounted filesystems along with information about each. Use the df utility with the –h (human-readable) option to answer the following questions.
a. How many filesystems are mounted on your Linux system?
b. Which filesystem stores your home directory?
c. Assuming your answer to exercise 4a is two or more, attempt to create a
hard link to a file on another filesystem. What error message do you get?
What happens when you attempt to create a symbolic link to the file
instead?