16. You have a file /etc/resolv.conf, but the computer does not use the configured DNS servers to look up
host names. What is most likely the problem?
A. The hosts entry in your /etc/nsswitch.conf does not list dns.
B. You do not have a /etc/named.conf file.
C. The localhost hostname is not properly configured in /etc/hosts.
D. The named daemon is not running on your computer.
Answer: A

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17. You need to run a second Apache server on the same IP address. Which of the following is true?
A. You cannot run more than one Apache on one IP address.
B. You have to add a new entry in /etc/services.
C. The second Apache server must listen on an other port.
D. The second Apache must be a child process of the first.
Answer: C

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18. These lines are taken from /etc/smb.conf:
workgroup = group1
guest account = nobody
What else is needed for this to work?
A. nobody must be a valid group on the server.
B. nobody must be a user name listed in /etc/passwd.
C. group1 must be a valid group on the server.
D. workgroup must be a valid group on the server.
Answer: B

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19. You have generated a DSA authentication key on host linux1. In order to log into host linux2 with the
new key, what do you need to do?
A. Copy the new authentication key into /etc/ssh/sshd_config on linux2.
B. Copy the new authentication key into $HOME/.ssh/authorized_keys on linux2.
C. Copy the new authentication key into $HOME/.ssh/id_dsa on linux2.
D. Copy the new authentication key into $HOME/.ssh/id_dsa on linux1.
E. Log into linux2 using the command ssh -key.
Answer: B

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20. You want to make the directory /local available via NFS. Everything works fine, but on the client
machine, the super user is unable to read any files on the NFS-mounted file system. Why?
A. The NFS protocol does not allow this.
B. The super user has different user IDs on the client and the server machine.
C. The client, when mounting the NFS filesystem, must specify the option trusted.
D. The exports entry on the server machine does not include the option no_root_squash.
Answer: D

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11. Within smb.conf, which security setting will NOT require that a client connect using a valid username
and password before connecting to a shared resource?
A. security = user
B. security = share
C. security = server
D. security = guest
Answer: B

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12. If you want to print a listing of your computer’s mail queues, what command would you use?
A. sendmail -l
B. lpq
C. mailq
D. mlq
Answer: C

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13. Which of these are name resolution related files? (Please select TWO that apply.)
A. /etc/hosts
B. /etc/nsswitch.conf
C. /etc/lmhosts
D. /etc/man
E. /etc/dns.conf
Answer: AB

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14. You want to add an alias for an existing DNS record. What type of DNS record could you use?
A. CNAME
B. MX
C. SOA
D. NS
Answer: A

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15. You are running an email server configured with the default settings. In which directory will you find
the delivered mail for the user foo?
A. /var/spool/mail
B. /home/foo/mail
C. /var/mail/spool
D. /var/users/mail
Answer: A

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6. What commands will load a kernel module? (Select TWO answers)
A. ldmod
B. modprobe
C. loadmod
D. insmod
E. modload
Answer: BD

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7. Which command would you use to apply the changes in a diff file to your existing kernel source?
A. up2date
B. patch
C. rpm
D. dpkg
E. diff
Answer: B

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8. Which utility is used to create the modules.dep file that is required by modprobe?
A. ksyms
B. makemod
C. makedep
D. lsmod
E. depmod
Answer: E

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9. The user bob complains that he cannot access his email. In which directory would you look to see if
there is any delivered email for him?
A. /var/spool/mail
B. /var/mail/mqueue
C. /var/spool/mqueue
D. /home/bob/.mail
Answer: A

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10. When an Apache server is configured to provide 10 spare server processes, which kind of website
would it typically serve?
A. A low-to-moderate volume website.
B. A website for no more than 10 users.
C. A high volume website.
D. A one-user volume website
Answer: A

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1. Ghostscript can be used as:
A. A Line Printer Daemon
B. A print filter to convert PostScript data for non-PostScript printers
C. A print filter to allow correct printing on PostScript printers
D. A print filter to remove “ghosting” and “staircase” effect problems
E. A graphical viewer for PostScript files
Answer: B

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2. You need to print 12 copies of the document foo.txt. Which of the following commands would you use?
A. cat foo.txt | lpr -#12
B. cat foo.txt > lpr -#12
C. cat foo.txt | lpr -12
D. cat foo.txt > lpr -12
Answer: A

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3. What command should be entered to print and then delete the file, foobar.txt?
A. lpr -o delete foobar.txt
B. lpr -d foobar.txt
C. lpr -r foobar.txt
D. lpr -o remove foobar.txt
Answer: C

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4. Which of the following tools is used to configure CUPS?
A. lpc
B. lpadmin
C. lpr
D. lpd
E. lpctrl
Answer: B

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5. The correct command to view “verbose” line printer queue information is:
A. lpq -l
B. lpq -all
C. lpq -verbose
D. lpq -a
Answer: A

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16. The backup retention policy is configured as RECOVERY WINDOW 2. You executed the following
command in Recovery Manager (RMAN) against your database:
RMAN> REPORT OBSOLETE;
What would you see in the output?
A. a list of all the expired backups and copies
B. a list of all those files that have been deleted in the last two days
C. a list of all those files that have been recovered within the last two days
D. a list of backups and copies that are outside the range covered by the current retention policy
Answer:D

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17. Last night, a media failure caused the loss of a temporary file that belongs to your database. Which two things
may happen this morning when you try to open your database? (Choose two.)
A. The database opens normally.
B. The database prompts for a database recovery.
C. The database writer writes to a trace file, indicating that the temporary file is not found.
D. The database gets mounted and throws an error indicating that the temporary file requires recovery.
Answer:AC

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18. A user executes a query on the EMP table, which contains thousands of rows, to get details about employees in
one of the departments. The user receives the following error:
SQL> SELECT ename FROM emp WHERE deptno=10 ORDER BY sal;
SELECT ename FROM emp WHERE deptno=10 ORDER BY sal
*
ERROR at line 1:
ORA-01157: cannot identify/lock data file 201 - see DBWR trace file
ORA-01110: data file 201: ‘/u01/app/oracle/oradata/orcl/temp01.dbf’
What is a possible reason?
A. The tempfile belonging to the default temporary tablespace is missing.
B. The database is opened in restricted mode, so queries are not allowed.
C. The default temporary tablespace required to execute the query is offline.
D. The default temporary tablespace required to execute the query is dropped.
E. The default temporary tablespace required to execute the query is read-only.
Answer:A

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19.You are working on a database, where you have three redo log groups. When the database is down for a backup,
an operating system (OS) user deletes all the redo log files in a group. What will happen when you open your
database?
A. The instance starts and the database opens because two redo log groups still exist.
B. Before the instance starts, you receive an error about the missing redo log files of a group.
C. The instance starts and the database opens with an error message written to the alert log file.
D. The instance starts and the database opens, but every attempt to write to redo log files fails with an error.
E. The instance starts, the database is mounted, but efforts to open the database fail, and an error about the missing
redo log group is displayed.
Answer:E

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20.A media failure has occurred. This has resulted in all the members of the next log group being rendered
inaccessible to the log writer process (LGWR) at a log switch. How does this failure affect the operational
database?
A. The database re-creates the missing redo log files automatically.
B. The database continues to function normally with the existing files.
C. The database allows only queries; no other statements are allowed.
D. The database returns an error and the database instance shuts down.
E. The user sessions that generate redo logs are terminated automatically.
Answer:D

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