Linux + LXO:102 II

Is this your test? Login to manage it. If not, you can generate a quiz just like it.

This is a non-interactive preview of the quiz content.

1.
1 point
Which of the following commands would an administrator use to create an OpenSSH
authentication key?
2.
1 point
X is running okay but an administrator is concerned that the correct color depth set is not
configured.
Which of the following commands will show the administrator the running color depth while in X?
3.
1 point
Which of the following can the chage command NOT change?
4.
1 point
Which of the following entries can an administrator add to syslog.conf file to have all syslog
messages generated by the administrator system go file to have all syslog messages generated
by the administrator? system go to virtual console 12?
5.
1 point
An administrator suspects that a gateway machine on their network has failed; the administrator is
unsure which machine is the problem. Which of the following commands will help locate the
problem machine?
6.
1 point
In the following command and its output, echo $$ 12942 which of the following is 12942?
7.
1 point
Which of the following is the BEST way to list all defined shell variables?
8.
1 point
An administrator is logged in as root. What command should the administrator run to find out what
groups user bruno belongs to?
9.
1 point
Which of the following is the BEST way to temporarily suspend a user's ability to interactively
login?
10.
1 point
Which of the following benefits does an alias provide?
11.
1 point
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)
12.
1 point
Which of the following is pool.ntp.org?
13.
1 point
An administrator discovers a pending job for the at command. Which of the following does the
administrator need to use to remove it?
14.
1 point
Which of the following is the purpose of the dig command?
15.
1 point
An administrator is running an email server configured with the default settings. In which directory
will the administrator commonly find the delivered mail for the user foo?
16.
1 point
While performing a security audit, an administrator discovers that a machine is accepting
connections on TCP port 184, but it is not obvious which process has the port open. Which of the
following programs should the administrator use to find out?
17.
1 point
Which of the following Class B IPv4 networks are reserved by IANA for private address
assignment and private routing? (Select TWO).
18.
1 point
What word is missing from the following SQL statement? updatetablename ____
fieldname='value' where id=909;
19.
1 point
In anxinetdconfig file, what attribute specifies the network address that will be used to offer the service? (Please enter only one answer and do not enter duplicate answers in this field.)
20.
1 point
Which of the following statements is true regarding the below /etc/resolv.conf file? search
example.com 127.0.0.1 208.77.188.166
21.
1 point
To slave the NTP daemon to an external source, an administrator needs to modify the ______
variable in the /etc/ntp.conf file.
22.
1 point
When attempting to send a file to another user securely with GPG, which of the following actions
must be done?
23.
1 point
What is the command to delete the default gateway from the system IP routing table? (Please
specify the complete command with arguments, please no duplicate answers in this field.)
24.
1 point
Which IP protocol is connectionless and unreliable? (Please enter only a single answer and do not
enter duplicate answers in this field.)
25.
1 point
The ________ command is used to add a group to the system. (Please enter only a single
command and do not enter duplicate answers in this field.)
26.
1 point
For accessibility assistance, which of the following programs is an on-screen keyboard?
27.
1 point
Which file specifies the user accounts can NOT submit jobs via at or batch? (Provide the full path
and filename).
28.
1 point
Which of the following outputs will the below command sequence produce? echo '1 2 3 4 5 6' |
while read a b c; do echo result: $c $b $a; done
29.
1 point
An administrator needs to pause the CUPS printer Laserjet4, and wants to cancel all print jobs
with a message, "hello". Which of the following commands will do this?
30.
1 point
What word is missing from the following SQL statement? select count(*) _____ tablename;
31.
1 point
An administrator has a user whose account needs to be disabled but not removed. Which of the
following should the administrator do?
32.
1 point
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?
33.
1 point
To prevent a specific user from scheduling tasks with at, which of the following should the
administrator do?
34.
1 point
Which option, when passed to the gpg command, will enter an interactive menu enabling the user
to perform key management related tasks? (Provide only one option).
35.
1 point
Which of the following commands allows an administrator to make a shell variable visible to
subshells?
36.
1 point
An administrator has just set up the X Display Manager as the default display manager. Which of
the following files should be edited to change the default background for it?
37.
1 point
Which of the following words is used to restrict the records that are returned from a SELECT query
based on supplied criteria for the values in the records?
38.
1 point
An administrator wants to temporarily prevent users from logging in. Please complete the following
command: touch /etc/______
39.
1 point
On a system using shadowed passwords, the correct permissions for /etc/passwd are ___ and the
correct permissions for /etc/shadow are ___.
40.
1 point
All of the following information is provided in any output from the netstat utility EXCEPT:
41.
1 point
What is the command to delete the default gateway from the system IP routing table? (Please
specify the complete command with arguments, please no duplicate answers in this field.)
42.
1 point
The _____________ command is used to print the network connections, routing tables, and
interface statistics. (Please enter only a single command and do not enter duplicate answers in
this field.)
43.
1 point
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).
44.
1 point
When using ssh, which of the following can an administrator do to recover a lost passphrase for a
DSA or RSA authentication key?
45.
1 point
All of the following are contained in the locale setting of the operating system EXCEPT:
46.
1 point
The correct crontab entry to execute the script chklog once per hour between 3 p.m. and 5 p.m. on
Monday and Thursday each week is, which of the following?
47.
1 point
A French user has installed the French language pack, but currencies are still being displayed with
a leading '$' sign in spreadsheets. Which of the following must be done to fix this?
48.
1 point
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 print the status of the printer's queue? (Provide
only the command, without any options or parameters).
49.
1 point
Which of the following describes the Linux ping packet or datagram?
50.
1 point
In xorg.conf, which of the following sections is concerned with fonts?