Module 4 Live Virtual Machine Labs 1-8

Question 1

lab 4-1

Which of the following command is used to delete a file?

Answer 1

rm

Question 2

To create a subdirectory within a directory, which of the following command should be used?

Answer 2

mkdir myfolder/mydocs

Question 3

Which of the following parameter should be used with the rm command to remove a directory?

Answer 3

-r

Question 4

Which of the following special characters are used as wildcards? [Choose all that apply.]

Answer 4

*
?
[ ]
~

Question 5

To copy a directory and the files contained in it to another directory, which of the following parameter should be used with the cp command?

Answer 5

-r

Question 6

lab 4-2

Which type of link is a pointer to the source file?

Answer 6

Symbolic link

Question 7

Which type of link is another directory entry for the source file and carries those same properties, such as file permissions, of the source file?

Answer 7

Hard link

Question 8

Which type of link can only exist on the local system?

Answer 8

Hard link

Question 9

Which command is used to create links?

Answer 9

ln

Question 10

Which parameter is used to create a symbolic link rather than a hard link with the ln command?

Answer 10

-s

Question 11

lab 4-3

Which of the following directories are contained within the root directory? [Choose all that apply.]

Answer 11

boot
etc
home

Question 12

Which of the following is a separate partition that moves items from computer memory to its hard drive?

Answer 12

swap

Question 13

Which of the following two directories contain files that are static and cannot be changed by a user? [Choose two.]

Answer 13

/etc
/boot

Question 14

Which of the following directories are unshareable? [Choose all that apply.]

Answer 14

/var/log
/proc

Question 15

Which command works only when you are in the root directory?

Answer 15

find

Question 16

lab 4-4

Which command displays values like when last accessed, modified, or changed for a specific file?

Answer 16

stat

Question 17

What is the octal value of execute permission

Answer 17

1

Question 18

What is the octal value of execute permission

Answer 18

666

Question 19

What is the standard permission for directories?

Answer 19

777

Question 20

What is the standard permission for files?

Answer 20

666

Question 21

lab 4-5

In which of the following ways can an access control list be configured? [Choose all that apply.]

Answer 21

Per-user basis

Per group basis

Using an effective right mask

For users other than the ones in the group for a file

Question 22

Which package should you use to verify if the ACL package is installed on the CentOS system?

Answer 22

rpm

Question 23

Which package should you use to verify if the ACL package is installed on the CentOS system?

Answer 23

-h

Question 24

If you create a file on which no one other than root has read, write, or execute permissions, which value should you use with the chmod command?

Answer 24

700

Question 25

You can verify the permissions on this file using the ________ command. [Choose all that apply.]

Answer 25

getfacl ls -l

Question 26

lab 4-6 What is the default value of SUID?

Answer 26

4

Question 27

What is the default value of SGID?

Answer 27

2

Question 28

Which command would you use to view the assigned SGID?

Answer 28

ls -ld

Question 29

To remove the write permissions for a group, which two parameters should you use with the chmod command?

Answer 29

g-w

Question 30

What is the octal value of SUID?

Answer 30

4000

Question 31

lab 4-7 To which of the following can you apply the default ACL?

Answer 31

Only to directories

Question 32

Which command do you use to define an access ACL?

Answer 32

setfacl

Question 33

Which parameter do you use with the setfacl command to define a default ACL?

Answer 33

-d

Question 34

Which command do you need to use to verify the ACLs on a directory after they have been applied?

Answer 34

getfacl

Question 35

lab 4-8 Which of the following group is used for a regular file?

Answer 35

-

Question 36

Which command will add the read, write, and execute permissions to Everyone on a file named plab.txt?

Answer 36

chmod ugo+rwx plab.txt

Question 37

What is the octal value of read permission?

Answer 37

4

Question 38

Which commands can be used to change the group in a file permission? [Choose all that apply.]

Answer 38

chown chgrp

Question 39

What is the octal value of execute permission?

Answer 39

1