6031093
Descripción
Test por Michael Marcus, actualizado hace más de 1 año
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Creado por Michael Marcus
hace más de 8 años
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Pregunta 1
Pregunta
Operations on the directory stack manipulate the top item in the stack only
Respuesta
- True
- False
Pregunta 2
Pregunta
graphical.target is equivalent to the old runlevel 3
Respuesta
- True
- False
Pregunta 3
Pregunta
Which of the following items can appear in the user_list element on a configuration line in the /etc/sudoers file?
Respuesta
-
All
-
User_Alias names
-
Group_Alias names
-
Host Names
-
Group names preceded by a '^'
-
user names
-
group names preceded by a '%'
Pregunta 4
Pregunta
The Pluggable Authentication Module (PAM) is a facility that supports using multiple authentication methods while providing a common interface to common applications or services seeking to authenticate a user.
Respuesta
- True
- False
Pregunta 5
Pregunta
Before executing any command, the bash shell pre-processes the command line to make sure it is syntactically correct and all necessary expansions have been done.
Respuesta
- True
- False
Pregunta 6
Pregunta
In what directory are most system configuration files stored?
Respuesta
-
/local
-
/usr
-
/var
-
/etc
Pregunta 7
Pregunta
The /etc/sudoers configuration file should only be edited using the visudo or sudo -e commands to avoid syntax errors in the file.
Respuesta
- True
- False
Pregunta 8
Pregunta
The /tmp directory is a working directory for temporary files that is accessible to any user on a Linux system.
Respuesta
- True
- False
Pregunta 9
Pregunta
Which of the following is NOT part of a system administrator's duties?
Respuesta
-
Backup the system on a regular basis
-
Enter customer orders into the sales database system
-
Secure the system against deliberate and accidental breaches
-
Keep the system running well enough to support business/user needs
Pregunta 10
Pregunta
Which of the following is NOT a valid variable name in a shell script?
Respuesta
-
day1_
-
1_day
-
_day1
-
day_1
Pregunta 11
Pregunta
The chsh command temporarily changes the current user's shell
Respuesta
- True
- False
Pregunta 12
Pregunta
Where is PAM configuration stored on a Fedora or RedHat system?
Respuesta
-
/etc/PAM.conf
-
/etc/pam.conf
-
/etc/pam.d file
-
/etc/pam.d/ directory
Pregunta 13
Pregunta
In the following line of output from the ls -l command, what does the b at the beginning of the line mean?
brw-rw----, 1 root disk 8, 1 Dec 31 17:02 sda1
Respuesta
-
sda1 is a directory
-
sda1 is an ordinary file
-
sda1 is a character device\
-
sda1 is a block device
Pregunta 14
Pregunta
Assuming that the following alias command is included in a user's ~/.barshc file,
alias t="tar -v"
and the user types the following at the shell prompt,
t -zcf /tmp/test.tar test.txt
What would the actual command executed be?
Respuesta
-
t -zcf /tmp/test/tar test.txt
-
tar -zcf /tmp/test/tar test.txt
-
tar -v -zcf /tmp/test/tar test.txt
-
○ t -v /tmp/test/tar test.txt
Pregunta 15
Pregunta
In which of the following startup files or directories should user-specific configuration settings be put?
Respuesta
-
~/.bashrc
-
/etc/profile.d/
-
~.bash_profile
-
/etc/profile
-
/etc/bashrc
Pregunta 16
Pregunta
What is the command to start X windows when a Linux system is running at the multi-user.target level?
Respuesta
-
Xorg
-
X11
-
gdm
-
Startx
Pregunta 17
Pregunta
When using the Logical Volume Manager facility, all disk space can be placed under the control of that facility.
Respuesta
- True
- False
Pregunta 18
Pregunta
What is the default target on Fedora Linux systems?
Respuesta
-
graphical.target
-
multi-user.target
-
basic.target
-
getty.target
Pregunta 19
Pregunta
What is the purpose of the HISTSIZE environment variable?
Respuesta
-
Sets the number of commands stored in the history memory cache and the history file
-
Sets the number of commands stored in the history file
-
Sets the history file name
-
Sets the number of commands stored in the history memory cache
Pregunta 20
Pregunta
One of the reasons that the systemd deamon replaced the old System V init daemon in order to support newer hardware technologies.
Respuesta
- True
- False
Pregunta 21
Pregunta
When typing a command at the shell prompt it is possible to type part of a command name and then use the TAB key to complete the command, if the part of the command entered is unique.
Respuesta
- True
- False
Pregunta 22
Pregunta
The ext3, ext4 and xfs file systems all support journaling but are not commonly used.
Respuesta
- True
- False
Pregunta 23
Pregunta
Which of the following commands, when used with the appropriate options, displays a list the process ID numbers for all processes running a certain command
Respuesta
-
jobs
-
ps
-
pidof
Pregunta 24
Pregunta
The $0 parameter of a shell script always contains the name of the script.
Respuesta
- True
- False
Pregunta 25
Pregunta
Which of the following methods of gaining root privilege is the least advisable?
Respuesta
-
setuid
-
sudo
-
su
-
Log in as root
Pregunta 26
Pregunta
Which of the following shells is currently used to prevent a non-privileged user from logging in interactively?
Respuesta
-
/bin/nologon
-
/bin/bash
-
/bin/false
-
/bin/tsh
Pregunta 27
Pregunta
fschk can check and repair a mounted file system.
Respuesta
- True
- False
Pregunta 28
Pregunta
Which of the following commands displays recent system messages?
Respuesta
-
logger
-
mesg
-
dmesg
-
logprint
Pregunta 29
Pregunta
The ~/.inputrc file is used to configure which of the following history manipulation methods?
Respuesta
-
history
-
readline history
-
!
-
fc
Pregunta 30
Pregunta
A package manager is a software tool designed to assist system administrators with the management of software on a Linux system.
Respuesta
- True
- False
Pregunta 31
Pregunta
The ldd command is used to funnily configure a chroot environment.
Respuesta
- True
- False
Pregunta 32
Pregunta
What is the output of the command:
df -h
Respuesta
-
A list of the mounted file systems with all size information shown in human readable form
-
A list of the mounted file systems with all size information shown in blocks
-
The fragmentation state of each disk on the system
Pregunta 33
Pregunta
Gaining root privilege on a system with multiple administrators is a bad method because it involves sharing the password between several people.
Respuesta
- True
- False
Pregunta 34
Pregunta
When multiple interactive bash shells are opened by a user, the history for all of the shells will be saved to disk as each is closed.
Respuesta
- True
- False
Pregunta 35
Pregunta
Administrative (root) privilege on a Linux system should be granted to anyone who asks for it.
Respuesta
- True
- False
Pregunta 36
Pregunta
Which of the following is NOT an advantage of using sudo?
Respuesta
-
Customized privilege settings can be created on a group-by-group basis
-
Customized privilege settings can be created on a user-by-user basis
-
No one needs to know the root password
-
The root password is shared amongst system administrators
Pregunta 37
Pregunta
Which of the following commands lists the contents of a package?
Respuesta
-
rpm -q <package>
-
rpm -qa <package>
-
rpm -ql <package>
-
rpm -qf <package>
Pregunta 38
Pregunta
Which of the following commands will report weather the sshd daemon is set to automatically start at some target level?
Respuesta
-
systemctl is-enabled sshd
-
systemctl is-active sshd
-
systemctl isactive sshd
-
systemctl isenabled sshd
Pregunta 39
Pregunta
What does the 2>&1 mean in the following command?
find * >/tmp/find_out.txt 2>&1
Respuesta
-
Standard error is sent to the user's terminal screen
-
Standard output is sent to the same file or device as standard error
-
Standard error is sent to the same file or device as standard output
-
Standard error is sent to the bit bucket
Pregunta 40
Pregunta
What is the output of the following command?
du -s
Respuesta
-
A single line of output giving the size and contents of the current directory and all its subdirectories in blocks
-
A single line of output giving the size of contents of the current directory and all its subdirectories in human readable form
-
A summary of the sizes of all files and directories in the current directory in blocks
-
A summary of the sizes of all files and directories in the current directory in human readable form
Pregunta 41
Pregunta
Which process in the following jobs command output will be affected by issuing the fg command without parameters?
user@f1 ~]$ jobs
[1] Running sleep 300 &
[2]- Running sleep 400 &
[3]+ Running sleep 500 &
Respuesta
-
1
-
3
-
All Processes
-
2
Pregunta 42
Pregunta
The growfs command can be used to increase the size of a filesystem.
Respuesta
- True
- False
Pregunta 43
Pregunta
TCPWrappers is a daemon based security facility that limits access to the daemon based on IP address.
Respuesta
- True
- False
Pregunta 44
Pregunta
What program is running in the process associated with a physical or virtual terminal prior to a user logging on?
Respuesta
-
tsh
-
login
-
bash
-
getty
Pregunta 45
Pregunta
The nnswitch facility provides a means to define diverse sources of information (e.g. hostnames, user information) for use by a Linux system. It can decide where to find information and what order to search the various sources.
Respuesta
- True
- False
Pregunta 46
Pregunta
Security Enhanced Linux implements a discretionary access control tool.
Respuesta
- True
- False
Pregunta 47
Pregunta
The default installation of SELinux uses which of the following mode and policy configurations?
Respuesta
-
PERMISSIVE and Multilevel Security
-
ENFORCING and Multilevel Security
-
PERMISSIVE and Targeted
-
ENFORCING and Targeted
Pregunta 48
Pregunta
Functions are a technique that can be used to add custom operations to a Linux system on a global or user-by-user basis. All custom operations should be added using functions no matter what the complexity or size of the new operations.
Respuesta
- True
- False
Pregunta 49
Pregunta
Which of the following commands sets the X windows pointing device (mouse) for right-handed use?
Respuesta
-
xmodmap -e 'pointer = 3 2 1 4 5'
-
xmodmap -e 'pointer = 3 1 2 4 5'
-
xmodmap -e 'pointer = 1 2 3 4 5'
-
xmodmap -e 'pointer = 1 3 2 4 5'
Pregunta 50
Pregunta
What is the default desktop environment used by Fedora and RedHat systems?
Respuesta
-
GNOME
-
multi-user.target
-
graphical.target
-
KDE
Pregunta 51
Pregunta
Given the initial directory stack containing the following entries:
~/testdir/dir2/dir2-1 ~/testdir/dir1/dir1-1 ~/testdir/ ~
what would the stack contain if the pushd command was issued with no parameters?
Respuesta
-
~/testdir/ ~ ~/testdir/dir2/dir2-1 ~/testdir/dir1/dir1-1
-
~/testdir/dir1/dir1-1 ~/testdir/dir2/dir2-1 ~/testdir/ ~
-
~/testdir/dir2/dir2-1 ~/testdir/dir1/dir1-1 ~/testdir/ ~
-
~/testdir/ ~/testdir/dir2/dir2-1 ~/testdir/dir1/dir1-1 ~
Pregunta 52
Pregunta
Which of the following commands clears the screen on a Linux terminal?
Respuesta
-
cls
-
clear
-
blank
Pregunta 53
Pregunta
Some organizations lock the root account. Others use a very long complex root password that is not known to the system administrators. Both of these approaches are valid when sudo is used for system administration.
Respuesta
- True
- False
Pregunta 54
Pregunta
What does the parameter $@ contain?
Respuesta
-
This parameter contains all of the parameters of the current shell script including the name of the script
-
This parameter contains all of the parameters of the current shell script except the name of the script
-
The last parameter of the current script
-
The first parameter of the current script
Pregunta 55
Pregunta
Which of the following commands includes a processes' PID in their output?
Respuesta
-
jobs -l
-
ps
-
ls
-
jobs
Pregunta 56
Pregunta
When an external command is invoked from a bash shell it always runs as a separate process from the shell's process.
Respuesta
- True
- False
Pregunta 57
Pregunta
The source builtin command is used to load/reload startup files.
Respuesta
- True
- False
Pregunta 58
Pregunta
If the su command is issued without specifying a user, which user is assumed?
Respuesta
-
root
-
The user issuing the command
-
A random user account
Pregunta 59
Pregunta
Which of the following are characteristics of the xfs file system?
Respuesta
-
Very large file system sizes
-
Journaling
-
Live file system expansion and defragmentation
-
Poor backup functionality when compared to ext4
Pregunta 60
Pregunta
What is the result of issuing the following bash builtin command?
history 20
Respuesta
-
Lists the 20 most recently used commands
-
Lists 20 randomly chosen commands from history
-
Lists the 20 least recently used commands
Pregunta 61
Pregunta
What is the effect of placing the line
ALL: ALL
into the /etc/hosts.deny files while leaving /etc/hosts.allow empty?
Respuesta
-
Allow connections to all daemons from any IP address
-
Disallow connections to all daemons from any IP address except 127.0.0.1
-
Disallow connections to all daemons from any IP address
Pregunta 62
Pregunta
What is the purpose of the dirs command?
Respuesta
-
Display the contents of the directory stack
-
Swap entries in the directory stack
-
Remove entries from the directory stack
-
Add entries to the directory stack
Pregunta 63
Pregunta
What does the following command do?
yum group install Robotics
Respuesta
-
Install all packages whose names contain with Robotics
-
Install all packages whose names begin with Robotics
-
Install all packages whose names end with Robotics
-
Installs of the packages contained within the group named Robotics
Pregunta 64
Pregunta
What is the change command used for?
Respuesta
-
Change the expiry date on a user's account
-
calculate a user's age based on the information in that user's account
-
Change the date of birth information stored in a user's account
-
change password ageing parameters associated with a user's account
Pregunta 65
Pregunta
The CUPS printer server offers which of the following facilities?
Respuesta
-
Printer hardware configuration
-
Printer class (group) management
-
printer queue configuration and management
-
Print job queueing and management
Pregunta 66
Pregunta
Which of the following commands lists all of the devices (printers) configured on the local system?
Respuesta
-
lpinfo -v
-
lpinfo -m
Pregunta 67
Pregunta
User and group ID numbers must be unique on Linux systems.
Respuesta
- True
- False
Pregunta 68
Pregunta
Which of the job scheduling facilities available on a Linux system execute jobs repeatedly at the specified time, provided that the system is available at the specified time?
Respuesta
-
at
-
cron
-
anacron
Pregunta 69
Pregunta
CUPS supports printing to: locally connected printers, networked printers, and printers shared by other computers.
Respuesta
- True
- False
Pregunta 70
Pregunta
How can CUPS be configured?
Respuesta
-
system-config-printers GUI program
-
Web interface
-
Command line programs
-
All of the above
Pregunta 71
Pregunta
Which of the following is the language that almost every printer will accept?
Respuesta
-
PCL
-
PS
-
Plain Text
Pregunta 72
Pregunta
Where is local user account information stored on a Linux system?
Respuesta
-
/etc/passwd and /etc/shadow
-
/etc/group and /etc/shadow
-
/etc/passwd and /etc/group
Pregunta 73
Pregunta
Which of the following is not one of the things that should be available when building and installing a new kernel?
Respuesta
-
Remove all previous kernels from the system
-
Backup the filesystem
-
Have the OS installation media available
-
Do not remove the last known working kernel from the system
Pregunta 74
Pregunta
It is possible to lock a user account. This is achieved by which of the following?
Respuesta
-
Changing the password to a single %
-
Changing the password to a single !
-
Placing a % at the beginning of the password
-
Placing a ! at the beginning of the password
Pregunta 75
Pregunta
Print servers can be built into a printer or run as a daemon on a computr system.
Respuesta
- True
- False
Pregunta 76
Pregunta
You have just downloaded some software in a file named mailer.tar.gz. Which of the following commands would you use to install the software into the current directory assuming that mailer.tar.gz is also in the current directory?
Respuesta
-
tar -zxf mailer.tar.gz
-
gunzip mailer.tar.gz
-
unzip mailer.tar.gz
-
uncompress mailer.tar.gz
Pregunta 77
Pregunta
CUPS provides which of the following print job operations?
Respuesta
-
Accepts and queues print jobs
-
Dispatches queued print jobs to active printers
-
Notifies the requesting user when a print job is complete
-
Cancels print jobs at the user's request
Pregunta 78
Pregunta
What is the purpose of the command:
yum check
Respuesta
-
Check for available package updates
-
Check the status of the local yum database
-
Check the status of the local RPM database
Pregunta 79
Pregunta
Which of the following commands will display a list of all available packages with 'httpd' anywhere in their names?
Respuesta
-
yum list avilable | grep httpd
-
yum list "httpd"
-
yum list httpd*
-
yum list *httpd
Pregunta 80
Pregunta
Given the following line from a user cron settings
* * * * * /usr/bin/uptime
how often will the uptime command be run?
Respuesta
-
once a minute
-
once a year
-
once a day
-
once an hour
-
once a month
Pregunta 81
Pregunta
Which of the following is not a reason to change the characteristics of a Linux kernel?
Respuesta
-
Install a web server daemon
-
Create a specialized kernel for an embedded system
-
Use a non-default kernel configuration
-
Install a new hardware driver
Pregunta 82
Pregunta
Which of the following command pairs will allow users to submit print jobs to queue prt1 without the jobs being immediately printed?
Respuesta
-
cupsreject prt1 cupsdisable prt1
-
cupsreject prt1 cupsenable prt1
-
cupsaccept prt1 cupsdisable prt1
-
cupsaccept prt1 cupsenable prt1
Pregunta 83
Pregunta
System-wide password rules can be set using which of the following commands?
Respuesta
-
system-config-users
-
system-config-authentication
-
system-config-auth
-
system-config-security
Pregunta 84
Pregunta
The rpmdev-setuptree command creates a directory structure for building packages from the course in the home directory of the user that executed the command.
Respuesta
- True
- False
Pregunta 85
Pregunta
When an rpm file is downloaded from a website rather than from a repository, which utility or utilities can be used to install it?
Respuesta
-
both rpm and yum
-
yum
-
Neither rpm nor yum
-
rpm
Pregunta 86
Pregunta
The kernel option names used in the /etc/sysctl.conf file and with the sysctl command are the same.
Respuesta
- True
- False
Pregunta 87
Pregunta
The option in the kernel.spec file
%define buildid .test1
causes the new kernel and all its associated package and configuration files to contain the string '.test1' to identify it as a custom kernel. Each time a kernel is built this option must be modified to uniquely identify the build.
Respuesta
- True
- False
Pregunta 88
Pregunta
The web interface for CUPS may have different printer definitions listed than the GUI program.
Respuesta
- True
- False
Pregunta 89
Pregunta
You have downloaded the source code for a program that is not part of your Linux distribution. In what order would you execute the following commands to set it up on your system? (1-4 selection)
Respuesta
-
./configure (1)
-
Make (2)
-
make test (3)
-
make install (4)
Pregunta 90
Pregunta
On a Fedora Linux system, which of the following repositories are enabled by default?
Respuesta
-
fedora
-
fedora-source
-
updates
-
updates-source
Pregunta 91
Pregunta
Which of the following commands is the best one for downloading kernel source code from a repository?
Respuesta
-
yum install kernel.source
-
yumdownloader kernel.source
-
yum install source.kernel
-
yumdownloader --source kernel
Pregunta 92
Pregunta
The sysstat package contains a number of system statistic gathering and reporting tools. Which of the following are some tools in this package?
Respuesta
-
nfsstat
-
sar
-
iostat
-
netstat
Pregunta 93
Pregunta
Which of the following files, related to GRUB configurations, should never be edited directly?
Respuesta
-
/etc/grub.d/*
-
/boot/grub2/grub.cfg
-
/etc/default/grub
Pregunta 94
Pregunta
Which of the following packages are recommended prerequisites for building a new kernel?
Respuesta
-
gcc
-
rpmdevtools
-
yum-utils
-
python
-
ncurses-devel
-
libglade2-devel
Pregunta 95
Pregunta
The only way to modify kernel characteristics is to build a new, custom kernel.
Respuesta
- True
- False
Pregunta 96
Pregunta
The command
yum install ntp bind
will download and install which of the following items?
Respuesta
-
the bind package
-
all of the dependencies of the ntp package that are not already installed
-
all of the dependencies of the bind package that are not already installed
-
all updates that have not been installed for any package on the system
-
the ntp package
Pregunta 97
Pregunta
What is the purpose of the command
yum-builddep kernel-3.14.27-100.fc19.src.rpm
Respuesta
-
Install all of the packages upon which the specified source package depends when the source within the package is built
-
Download, install and build all of the source code related to the specified package
-
Installs all of the build tools needed to build and install the sources within the specified package
Pregunta 98
Pregunta
The batch command forces scheduled jobs to run at the specified time no matter what the system load.
Respuesta
- True
- False
Pregunta 99
Pregunta
Package repositories are online storage sites for distribution packages, distribution update packages, but are never used for 3rd party packages.
Respuesta
- True
- False
Pregunta 100
Pregunta
Which of the following commands deletes the definition of printer prt1?
Respuesta
-
lpadmin -p prt1 -x
-
lpstat -x prt1
-
lpadmin -p prt1 -d
-
lpstat -d prt1
Pregunta 101
Pregunta
CUPS page count quotas work only with PostScript print files
Respuesta
- True
- False
Pregunta 102
Pregunta
Given the commanduseradd -s /bin/bash/bash -d /home/joan -G wheel -g staff -c "Joan Smith" joan
what will Joan's primary group be?
Respuesta
-
staff
-
Not specified in the command
-
wheel
Pregunta 103
Pregunta
CUPS can accept print jobs from: local users and processes, and remote system.
Respuesta
- True
- False
Pregunta 104
Pregunta
What does the following command produce as output:
yum list *kern*
Respuesta
-
A list of all available package with the string 'kern' anywhere in its name
-
A list of all installed package with the string 'kern' anywhere in its name
-
A list of all known package without the string 'kern' anywhere in its name
-
A list of all known package with the string 'kern' anywhere in its name
Pregunta 105
Pregunta
Where are user cron job definitions stored?
Respuesta
-
/var/spool/cron/*
-
/var/cron/*
-
/ext/crontab
-
/etc/cron.*
Pregunta 106
Pregunta
By default, CUPS accepts print jobs from both local users and processes, and remote system.
Respuesta
- True
- False
Pregunta 107
Pregunta
Which of the following commands will display the current value of the vm.drop_caches kernel parameter?
Respuesta
-
sysctl
-
sysctl -w vm.drop_caches=1
-
sysctl -a
-
sysctl vm.drop_caches
Pregunta 108
Pregunta
Which of the following commands can be used to create a new kernel configuration from scratch?
Respuesta
-
make config
-
make menuconfig
-
make gconfig
-
make oldconfig
Pregunta 109
Pregunta
The command
sysctl -p /etc/sysctl.conf can be used to change the running kernel configuration without a reboot after editing the /etc/sysctl.conf file.
Respuesta
- True
- False
Pregunta 110
Pregunta
When the /etc/cups/cupsd.conf file contains the following configuration section, only network print requests from 127.0.0.1 (localhost) will be accepted.
<Location />
Order Allow Deny
Allow @LOCAL
</location>
Respuesta
- True
- False
Pregunta 111
Pregunta
A good approach to backing up a Linux system is to perform periodic full backups with incremental backups in between them.
Respuesta
- True
- False
Pregunta 112
Pregunta
For CUPS to be able to accept print jobs form remote systems using the IPP protocol, the local system's firewall must allow incoming traffic on which of the following ports?
Respuesta
-
389 udp and tcp
-
53 tcp and udp
-
631 tcp and udp
-
81 tcp and udp
Pregunta 113
Pregunta
Which of the following commands can be used to backup a Linux system?
Respuesta
-
cpio
-
dump
-
rsync
-
tar
Pregunta 114
Pregunta
What does the $(arch) of the following command do?
rpmbuild -bp --target $(arch) kernel.spec
Respuesta
-
Retrieves the value of the arch environment variable and substitutes it into the command
-
Runs the arch command and substitutes the result in the command
Pregunta 115
Pregunta
Which of the following is not a function of host-based print servers?
Respuesta
-
Manage print queues
-
Assign an IP address to a network printer
-
Monitor print and queue status
-
Create a print queue and associate it with a printer
Pregunta 116
Pregunta
Which of the following commands can be used to create groups on a Linux system?
Respuesta
-
useradd
-
system-config-users
-
groupmod
-
groupadd
Pregunta 117
Pregunta
Every user on a Linux system has a user ID number. Which of the following describes the way user ID numbers are assigned on modern Fedora/RHEL systems?
Respuesta
-
0 - 999 system users 1000 - 65535 regular users
-
0 - 499 system users 500 - 32767 system users
-
0 - 499 system users 500 - 65535 regular users
-
0 - 999 system users 1000 - 35767 regular users
Pregunta 118
Pregunta
The yum and rpm utilities can be used to install, update and remove software packages that are distributed as source code within tar archive files without any intermediate steps
Respuesta
- True
- False
Pregunta 119
Pregunta
Which of the following are methods for permanently changing the configuration of a Linux kernel?
Respuesta
-
editing the file /etc/sysctl.conf and rebooting the system
-
editing the files in, or adding new files to /etc/sysctl.d and rebooting the system
-
setting options using the sysctl command
-
building and installing a new kernel and then rebooting the system
Pregunta 120
Pregunta
Which of the following is not a protocol that CUPS supports for communicating with printers?
Respuesta
-
IPP
-
SMTP
-
SMB
-
LPD/LPR
Pregunta 121
Pregunta
The yum utility should be used to install, update and remove software on a Linux system whenever possible.
Respuesta
- True
- False
Pregunta 122
Pregunta
Which of the following is not one of the factors that is used to determine if a kernel component is compiled into the kernel or made available as a loadable kernel module?
Respuesta
-
Size
-
Frequency of use
-
Time to load
-
Execution complexity
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