Which security layer verifies the identity of a user, service, or computer?

A. authentication
B. repudiation
C. physical security
D. authorization


Answer: A

Computer Science & Information Technology

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If you send the right message to the wrong object, Alice will automatically resend the message to the right object.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

In the binary search algorithm, if the number of elements in the search pool is even, which value is used as the midpoint? Explain.

What will be an ideal response?

Computer Science & Information Technology

Why is the directory no longer empty? Where are the listed files physically stored?

Manually mounting and unmounting filesystems a. Use the ls -l command to verify that the directory second_drive is in the analyst’s home directory.

[analyst@secOps /]$ cd ~
[analyst@secOps ~]$ ls –l
total 28
drwxr-xr-x 3 analyst analyst 4096 Aug 16 15:15 cyops_folder2
drwxr-xr-x 2 analyst analyst 4096 Sep 26 2014 Desktop
drwx------ 3 analyst analyst 4096 Jul 14 11:28 Downloads
drwxr-xr-x 8 analyst analyst 4096 Jul 25 16:27 lab.support.files
drwxr-xr-x 2 analyst analyst 4096 Mar 3 15:56 second_drive
-rw-r--r-- 1 analyst analyst 142 Aug 16 15:11 some_text_file.txt
-rw-r--r-- 1 analyst analyst 254 Aug 16 13:38 space.txt
b. Use ls -l again to list the contents of the newly created second_drive directory.
[analyst@secOps ~]$ ls -l second_drive/
total 0
Notice that the directory is empty. c. Use the mount command to mount /dev/sdb1 on the newly created second_drive directory. The syntax of mount is: mount [options] .
[analyst@secOps ~]$ sudo mount /dev/sdb1 ~/second_drive/
[sudo] password for analyst:
No output is provided which means the mounting process was successful. d. Now that the /dev/sdb1 has been mounted on /home/analyst/second_drive, use ls -l to list the contents of the directory again.
[analyst@secOps ~]$ ls -l second_drive/
total 20
drwx------ 2 root root 16384 Mar 3 10:59 lost+found
-rw-r--r-- 1 root root 183 Mar 3 15:42 myFile.txt

Computer Science & Information Technology

The associated header file of the sequence container multimap is ____________________.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology