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Questions # 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

Expert Solution
Questions # 2:

Which of the following types of information is returned by typing ifconfig eth0?

(Choose two)

Options:
A.

The names of programs that are using eth0

B.

The IP address assigned to eth0

C.

The hardware address of eth0

D.

The hostname associated with eth0

Expert Solution
Questions # 3:

Which of the following statements applies to the IP address 192.168.0.1?

Options:
A.

It is reserved.

B.

It cannot be assigned to a host that accesses the Internet.

C.

It is designated for multicast transmission.

D.

It can be freely assigned to a host on a private network

Expert Solution
Questions # 4:

You're using a communications protocol that cannot handle encrypted passwords.

You need to disable the Shadow Password Suite. Which of the following pairs of commands restores the original clear-text passwords that you had encrypted into the /etc/shadow and /etc/gshadow files?

Options:
A.

grpunconv; passunconv

B.

grpunconv; pwunconv

C.

gconv; passunconv

D.

gconv; pwunconv

Expert Solution
Questions # 5:

Which of the following is not a Linux DHCP client?

Options:
A.

dhcpcd

B.

pump

C.

dhcpd

D.

dhclient

Expert Solution
Questions # 6:

Which of the following configuration options for kernel enable you to effectively make your computer a router?

Options:
A.

CONFIG_FIREWALL

B.

CONFIG_IP_FIREWALL

C.

CONFIG_SYN_COOKIES

D.

CONFIG_IP_FORWARD

Expert Solution
Questions # 7:

Why is a log file analysis tool like Logcheck useful?

Options:
A.

Logcheck compares patterns of activity across several days or weeks and spots anomalies.

B.

Logcheck uses information in log files to help identify a cracker.

C.

Logcheck translates log file entries from cryptic comments into plain English.

D.

Logcheck sifts through large log files and alerts you to the most suspicious entries.

Expert Solution
Questions # 8:

Which of the following commands configures the laura account to expire on

January 1, 2005?

Options:
A.

chage -E 2005/01/01 laura

B.

usermod -e 2005 laura

C.

usermod -e 2005-01-01 laura

D.

chage -I 2005-01-01 laura

Expert Solution
Questions # 9:

Which of the following are ways to disable dynamic routing?

Options:
A.

The linuxconf Gated Daemon screen

B.

The linuxconf Routed Daemon screen

C.

echo "0" > /proc/sys/net/ipv4/dynamic_routing

D.

Editing /etc/sysconfig/network-scripts

Expert Solution
Questions # 10:

You inadvertently change the permission block on /usr/bin/passwd command to

-r-xr-xr-x.

What would be the effect of this change?

Options:
A.

No changes in how the command runs would occur.

B.

Users could no longer change their passwords because they do not have write permissions to /etc/passwd.

C.

Users' passwords would not expire.

D.

Shadow passwords would quit working.

Expert Solution
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