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

Which file contains a set of services and hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd? (Specify the full name of the file, including path.) https:// lh3.googleusercontent.com/-5cd-clmKnbk/AAAAAAAAAAI/AAAAAAAAADM/-XesH19Ido/s46-c-k-no/photo.jpg

What output will the following command sequence produce?

echo '1 2 3 4 5 6' | while read a b c; do echo result: $c $b $a; done

A. result: 3 4 5 6 2 1

B. result: 1 2 3 4 5 6

C. result: 6 5 4

D. result: 6 5 4 3 2 1

E. result: 3 2 1

How is a display manager started?

A. It is started by a user using the command startx.

B. It is started like any other system service by the init system.

C. It is started by inetd when a remote hosts connects to the X11 port.

D. It is started automatically when a X11 user logs in to the system console.

Which of the following files assigns a user to its primary group?

A. /etc/pgroup

B. /etc/shadow

C. /etc/group

D. /etc/passwd

E. /etc/gshadow

Which of the following commands is used to rotate, compress, and mail system logs?

A. rotatelog

B. striplog

C. syslogd --rotate

D. logrotate

E. logger

Which of the following is true about IPv6?

A. With IPv6, the TCP port numbers of most services have changed.

B. IPv6 no longer supports broadcast addresses.

C. IPv4 addresses can be used without any change with IPv6.

D. IPv6 no longer supports multicast addresses.

E. For IPv6, UDP and TCP have been replaced by the Rapid Transmission Protocol RTP.

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

A. dnsq

B. dig

C. hostname

D. dnslookup

E. zoneinfo

Which configuration file would be edited to change default options for the OpenSSH server?

A. /etc/ssh/sshd_config

B. /etc/ssh/ssh

C. /etc/ssh/server

D. /etc/ssh/ssh_config

E. /etc/ssh/ssh_server

Which of the following find commands will print out a list of files owned by root and with the SUID bit set 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