The files in the /etc/skel directory are used by the:
A. pwconv command
B. pwunconv command
C. useradd command
D. passwd command
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;
Which of the following configuration files would an administrator edit to change default options for outbound ssh sessions?
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
QUESTION 15 CORRECT TEXT
A. 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)
All of the following are Mail Transport Agents EXCEPT:
QUESTION 17 CORRECT TEXT
A. 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).
QUESTION 18 CORRECT TEXT
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.)
QUESTION 19 CORRECT TEXT
A. administrator can run the ________ command to see active network and UNIX domain socket connections. (Please specify the command with no options or parameters).
QUESTION 20 CORRECT TEXT
A. 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