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Question No.111

Which command, available with all MTAs, is used to list the contents of the MTA#39;s mail queue? (Specify ONLY the command without any path or parameters.)

Correct Answer: mailq, /usr/bin/mailq, sendmail -bp, /usr/sbin/sendmail -bp, /usr/lib/sendmail -bp, sendmail, /usr/sbin/sendmail, /usr/lib/sendmail

Question No.112

Which file inside the CUPS configuration directory contains the definition of the printers?

1. cups-devices.conf

2. snmp.conf

3. printcap.conf

4. printers.conf

5. cupsd.conf

Correct Answer: D

Question No.113

What entry can you add to syslog.conf file to have all syslog messages generated by your system go to virtual console 12?

1. *.* /dev/tty12

2. /var/log/messages | /dev/tty12

3. | /dev/tty12

4. syslog tty12

5. mail.* /dev/tty12

Correct Answer: A

Question No.114

Which of the following are syslog facilities? (Choose TWO correct answers.)

1. local7

2. mail

3. advanced

4. postmaster

5. remote

Correct Answer: AB

Question No.115

Which command is used to sync the hardware clock to the system clock? (Specify ONLY the command without any path or parameters.)

Correct Answer: hwclock, /sbin/hwclock, /usr/sbin/hwclock

Question No.116

After configuring printing on a Linux server, the administrator sends a test file to one of the printers and it fails to print. What command can be used to display the status of the printer#39;s queue? (Specify ONLY the command without any path or parameters.)

Correct Answer: lpq, /usr/bin/lpq, lpstat, /usr/bin/lpstat

Question No.117

Which option in the /etc/ntp.conf file specifies an external NTP source to be queried for time information? (Specify ONLY the option without any values or parameters.)

Correct Answer: server

Question No.118

Which of the following tools used for DNS debugging, reports not only the response from the name server but also details about the query?

1. dnsq

2. dig

3. hostname

4. dnslookup

5. zoneinfo

Correct Answer: B

Question No.119

Which of the following keywords can be used in the file /etc/nsswitch.conf to specify a source for host name lookups? (Choose TWO correct answers.)

1. resolv

2. dns

3. remote

4. files

5. hosts

Correct Answer: BD

Question No.120

What is true regarding TCP port 23?

1. Port 23 is the well known port for the telnet service which is a plain text protocol that should no longer be used.

2. Port 23 is the well known port for the SSH service which provides secure logins.

3. Port 23 is the well known port for the rlogin service which is SSL secured by default.

4. Port 23 is the well known port for the system login services which are encrypted when the user runs the starttls command in his login shell.

Correct Answer: A

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