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QUESTION 241
Which of the following SQL statements will select the fields name and address from the contacts table?
A.   SELECT (name, address) FROM contacts;
B.   SELECT (name address) FROM contacts;
C.   SELECT name, address FROM contacts;
D.   SELECT name address FROM contacts;
Answer: C
QUESTION 242
Which of the following configuration files would an administrator edit to change default options for outbound ssh sessions?
A.   /etc/ssh/sshd_config
B.   /etc/ssh/ssh
C.   /etc/ssh/client
D.   /etc/ssh/ssh_config
E.   /etc/ssh/ssh_client
Answer: D
QUESTION 243
Which of the following bash option will prevent an administrator from overwriting a file with a “>”?
A.   set -o safe
B.   set -o noglob
C.   set -o noclobber
D.   set -o append
E.   set -o nooverwrite
Answer: C
QUESTION 244
An ISP has given an administrator an IP block for use. The block is 192.168.112.64/26. If the administrator uses the first usable IP for the router that is installed on the network, how many usable IPs are left? (Please enter the number and not a word.)
Answer:
61
QUESTION 245
All of the following are Mail Transport Agents EXCEPT: ____.
A.   exim
B.   postfix
C.   sendmail
D.   qmail
E.   mail
Answer: E
QUESTION 246
An administrator is configuring a secured webserver, however connecting to https://127.0.0.1 is not working. The administrator runs netstat -ntl, which returns the following output:
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN
What port should be listening before a successful connection is possible? (Provide only the numerical value of the port).
Answer:
443
QUESTION 247
Which protocol uses two (2) TCP/IP ports one of them being port 20 for data transfer? (Please do not enter duplicate answers in this field.)
Answer:
FTP
QUESTION 248
An administrator can run the ____ command to see active network and UNIX domain socket connections. (Please specify the command with no options or parameters.)
Answer:
/BIN/NETSTAT
NETSTAT
QUESTION 249
An administrator needs to sync the hardware clock, which is on GMT, with the system clock, which the administrator just updated with NTP. To do this, complete the following command: ____ – u –systohc
Answer:
/SBIN/HWCLOCK
/USR/SBIN/HWCLOCK
HWCLOCK
QUESTION 250
Which of the following programs uses the hosts.allow file to perform its main task of checking for access control restrictions to system services?
A.   tcpd
B.   inetd
C.   fingerd
D.   mountd
E.   xinetd
Answer: A
QUESTION 251
An administrator has added the following line to /etc/inittab in order to disable the ability to reboot a Debian system by pressing the Control + Alt + Delete keys simultaneously:
ca:12345:____:/bin/echo “Rebooting disabled”
Please provide the missing string.
Answer:
CTRLALTDEL
QUESTION 252
What word will complete an if statement in bash such as the following:
if [ -x “$file” ]; then echo $file ____. (Please provide the missing word only.)
Answer:
FI
QUESTION 253
An administrator decides to use xinetd instead of inetd. Now, the administrator needs to transfer information from /etc/inetd.conf to another file. What file must be created or edited? (Please specify the full path.)
Answer:
/etc/xinetd.conf
QUESTION 254
In the following command and its output, echo $$ 12942 which of the following is 12942?
A.   The process ID of the echo command.
B.   The process ID of the current shell.
C.   The process ID of the last command executed.
D.   The process ID of the last backgrounded command.
Answer: B
QUESTION 255
Which of the following commands will print the exit value of the previous command to the screen in bash?
A.   echo $?
B.   echo $#
C.   echo $exit
D.   echo $status
E.   echo $&}
Answer: A
QUESTION 256
Which of the following statements about crontab are true? (Select TWO).
A.   Every user may have their own crontab.
B.   Changing a crontab requires a reload/restart of the cron daemon.
C.   The cron daemon reloads crontab files automatically when necessary.
D.   Hourly is the same as “0 * * * *”.
E.   A cron daemon must run for each existing crontab.
Answer: AC
QUESTION 257
An administrator wants to determine the geometry of a particular window in X, so the administrator issues the ____ -metric command and then clicks on the window. (Please enter only a single command and do not enter duplicate answers in this field.)
Answer:
/USR/BIN/XWININFO
XWININFO
QUESTION 258
The command ____ prints a list of email that is currently in the queue waiting for delivery. (Please specify the command with or without path or arguments.)
Answer:
/USR/BIN/MAILQ
MAILQ
QUESTION 259
To slave the NTP daemon to an external source, an administrator needs to modify the ____ variable in the /etc/ntp.conf file.
Answer:
SERVER
QUESTION 260
Which of the following commands is used to deactivate a network interface?
A.   ifdown
B.   ipdown
C.   net
D.   netdown
Answer: A
QUESTION 261
Which of the following looks like a correct entry in the /etc/hosts file?
A.   localhost 127.0.0.1 localhost.localdomain
B.   localhost.localdomain localhost 127.0.0.1
C.   localhost localhost.localdomain 127.0.0.1
D.   127.0.0.1 localhost.localdomain localhost
E.   localhost.localdomain 127.0.0.1 localhost
Answer: D
QUESTION 262
Which of the following lines would an administrator find in the file /etc/resolv.conf?
A.   order hosts,bind
B.   192.168.168.4 dns-server
C.   hosts: files,dns
D.   domain mycompany.com
Answer: D
QUESTION 263
Which of the following find commands will print out a list of suid root files in /usr?
A.   find /usr -uid 0 -perm +4000
B.   find -user root +mode +s /usr
C.   find -type suid -username root -d /usr
D.   find /usr -ls \*s\* -u root
E.   find /usr -suid -perm +4000
Answer: A
QUESTION 264
Which of the following commands will provide locale-specific information about a system and its environment?
A.   loconfig
B.   getlocale
C.   locale
D.   tzconfig
E.   tzselect
Answer: C
QUESTION 265
Which of the following should the permission settings be for /etc/passwd and /etc/shadow?
A.   /etc/passwd: -rw-r–r– /etc/shadow: -r——–
B.   /etc/passwd: -r——– /etc/shadow: -rw-r–r–
C.   /etc/passwd: -rw-r–r– /etc/shadow: -rw-r–r–
D.   /etc/passwd: -r——– /etc/shadow: -r——–}
Answer: A
QUESTION 266
Which of the following configuration files should be modified to set default shell variables for all users?
A.   /etc/bashrc
B.   /etc/profile
C.   ~default/.bash_profile
D.   /etc/skel/.bashrc
E.   /etc/skel/.bash_profile
Answer: B
QUESTION 267
By default, which directories contents will be copied to a new user’s home directory when the account is created, passing the -m option to the useradd command?
Answer:
/ETC/SKEL
/ETC/SKEL/
QUESTION 268
Suppose that the command netstat -a hangs for a long time without producing output. An administrator might suspect: ____.
A.   a problem with NFS
B.   a problem with DNS
C.   a problem with NIS
D.   a problem with routing
E.   that the netstat daemon has crashed
Answer: B
QUESTION 269
Please specify the directory containing the configuration files for the CUPS printing system. (Provide the full path to the directory).
Answer:
/ETC/CUPS
/ETC/CUPS/
QUESTION 270
Which of the following statements are true regarding the below syslog.conf configuration directive? (Select THREE.)
*.err;kern.notice;auth.notice /dev/console
A.   Severity crit messages from all facilities will be directed to /dev/console
B.   Severity notice messages from the auth facility will be directed to /dev/console
C.   Severity notice messages from the kern facility will be directed to /dev/console
D.   Severity err messages from the mail facility will be directed /dev/console
E.   Severity notice messages from all facilities will be directed to /dev/console
Answer: BCD
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