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303-200 Questions and Answers

Question # 6

Linux Extended File Attributes are organized in namespaces. Which of the following names correspond to existing attribute namespaces? (Choose THREE correct answers.)

A.

default

B.

system

C.

owner

D.

trusted

E.

user

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Question # 7

Which option of the openvpn command should be used to ensure that ephemeral keys are not written to the swap space?

A.

--mlock

B.

--no-swap

C.

--root-swap

D.

--keys-no-swap

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Question # 8

Which of the following statements is true regarding eCryptfs?

A.

For every file in an eCryptfs directory there exists a corresponding file that contains the encrypted content.

B.

The content of all files in an eCryptfs directory is stored in an archive file similar to a tar file with an additional index to improve performance.

C.

After unmounting an eCryptfs directory, the directory hierarchy and the original file names are still visible, although, it is not possible to view the contents of the files.

D.

When a user changes his login password, the contents of his eCryptfs home directory has to be re-encrypted using his new login password.

E.

eCryptfs cannot be used to encrypt only directories that are the home directory of a regular Linux user.

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Question # 9

Which of the following commands changes the source IP address to 192.0.2.11 for all IPv4 packets which go through the network interface eth0?

A.

iptables ~t nat -A POSTROUTING ~o eth0 -j SNAT -to-source 192.0.2.11

B.

iptables ~t nat -A PREROUT1NG -\ eth0 -j SNAT -to-source 192.0.2.11

C.

iptables -t nat -A POSTROUTING H eth0 -j DNAT -to-source 192.0.2.11

D.

iptables -t mangle -A POSTROUTING -i eth0 -j SNAT -to-source 192.0.2.11

E.

iptables -t mangle -A POSTROUTING -0 eth0 -j SNAT -to-source 192.0.2.11

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