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212-77 Practice Exam Questions and Answers

Linux Security

Last Update 2 days ago
Total Questions : 51

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Question # 1

Assume that you have just logged on as a regular user. Which of the following commands allows you to edit the file with user passwords associated with the Shadow Password Suite?

Options:

A.  

vi /etc/shadow

B.  

sudo -c "vi /etc/shadow"

C.  

su -c "vi /etc/shadow"

D.  

visu vi /etc/passwd

Discussion 0
Question # 2

One of your colleagues is showing you the output from a protocol analyzer, which can detect the types of messages that are being transmitted over a network. The protocol analyzer shows a large number of ping commands being sent to your Web server. Others on the Internet are having trouble accessing your Web server. What kind of problem are you having?

Options:

A.  

Someone is using your Web site to test their connectivity to the Internet.

B.  

Someone is using a DoS attack on your Web site.

C.  

There is no problem; this is normal traffic from DNS servers and Internet routers checking connectivity to your Web site.

D.  

There is insufficient capacity on the Internet connection to your Web site.

Discussion 0
Question # 3

A user is logged into the Linux workstation, what is the best way to login to root from a shell prompt?

Options:

A.  

chuser root

B.  

root

C.  

login root

D.  

su

Discussion 0
Question # 4

What is the name of the file that contains encrypted hashes of passwords on a Linux system?

Options:

A.  

/etc/shadow

B.  

/etc/.passwd

C.  

/etc/passwd

D.  

/.secure/.htaccess

Discussion 0
Question # 5

Which file contains the name servers to be used by the local machine for hostname resolution?

Options:

A.  

/etc/services/

B.  

/etc/hosts

C.  

/etc/resolv.conf

D.  

/etc/network/interfaces

Discussion 0
Question # 6

Which command creates a file system in Linux?

Options:

A.  

CRFS

B.  

FS

C.  

FDISK

D.  

MKFS

Discussion 0
Question # 7

Which of the following lines would log all messages from news to the file /var/log/newslog?

Options:

A.  

news.* /var/log/newslog

B.  

news.!* /var/log/newslog

C.  

news.*;news.!=info /var/log/newslog

D.  

*news /var/log/newslog

Discussion 0
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