11854057
Beschreibung
Quiz von Carlos Alberto Jara Alva, aktualisiert more than 1 year ago
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Erstellt von Carlos Alberto Jara Alva
vor mehr als 6 Jahre
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Frage 1
Frage
What is the correct syntax to remove mypkg entirely from a Debian GNU/Linux system, including configuration file? Select one.
Antworten
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dpkg -r mypkg
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dpkg --remove mypkg
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dpkg --kill mypkg
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dpkh -R mypkg
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dpkg --purge mypkg
Frage 2
Frage
How can you query the RPM database for a list of all installed RPM packages? Select one
Antworten
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rpm -q
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rpm -qa
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rpm -a
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rpm -al
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rpm -qal
Frage 3
Frage
What will happen when rpm is launched as follows?
#rpm -Uvh file
Antworten
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The RPM file will be verified
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An installed package may be upgraded with the version in file, with verbose output.
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An installed package may be upgraded with the version in file, with verbose output and hash marks indicating progress.
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An error will occur because a major mode is not specified
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An error will occur because no file options were specified.
Frage 4
Frage
Which is not a valid dkpg installation command? Select one
Antworten
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dpkg -i package_file
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dpkg -iL package_file
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dpkg -iR packge_dir
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dpkg -iG package_file
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dpkg -iE package_file
Frage 5
Frage
Which of the following is not an advantage of a source package over a binary package?
Antworten
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A single source package can be used on multiple CPU architectures.
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By recompiling a source package, you can sometimes work around library incompat- ibilities.
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You can modify the code in a source package, thus altering the behavior of a program.
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Source packages can be installed more quickly than binary packages.
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You may be able to recompile source code for a non-Linux Unix program on Linux.
Frage 6
Frage
Which is true of using both RPM and Debian package management systems on one
computer?
Antworten
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It’s generally inadvisable because the two systems don’t share installed-file database information.
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It’s impossible because their installed-file databases conflict with one another.
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It causes no problems if you install important libraries once in each format.
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It’s a common practice on Red Hat and Debian systems.
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Using both systems simultaneously requires installing the alien program.
Frage 7
Frage
Which of the following statements is true about binary RPM packages that are built for a
particular distribution?
Antworten
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License requirements forbid using the package on any other distribution.
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They may be used in another RPM-based distribution only when you set the -- convert-distrib parameter to rpm.
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They may be used in another RPM-based distribution only after you recompile the package’s source RPM
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They can be recompiled for an RPM-based distribution running on another type of CPU.
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They can often be used on another RPM-based distribution for the same CPU architecture, but this isn’t guaranteed.
Frage 8
Frage
An administrator types the following command on an RPM-based Linux distribution:
# rpm -ivh megaprog.rpm
What is the effect of this command?
Antworten
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If the megaprog package is installed on the computer, it is uninstalled.
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If the megaprog.rpm package exists, is valid, and isn’t already installed on the computer, it is installed.
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The megaprog.rpm source RPM package is compiled into a binary RPM for the computer.
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Nothing; megaprog.rpm isn’t a valid RPM filename, so rpm will refuse to operate on this file.
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The megaprog.rpm package replaces any earlier version of the package that’s already installed on the computer.
Frage 9
Frage
Which of the following commands will extract the contents of the myfonts.rpm file into
the current directory?
Antworten
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rpm2cpio myfonts.rpm | cpio -i --make-directories
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rpm2cpio myfonts.rpm > make-directories
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rpm -e myfonts.rpm
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alien --to-extract myfonts.rpm
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rpmbuild --rebuild myfonts.rpm
Frage 10
Frage
Which of the following commands would you type to update the unzip program on a
Fedora system to the latest version? (Select all that apply.)
Antworten
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yum update unzip
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yum upgrade unzip
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yum -u unzip
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yum -U unzip
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yum check-update unzip
Frage 11
Frage
How should you configure a system that uses Yum to access an additional Yum software
repository?
Antworten
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Edit the /etc/apt/sources.list file to include the repository site’s URL, as detailed on the repository’s website.
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Download a package from the repository site, and install it with RPM, or place a configuration file from the repository site in the /etc/yum.repos.d directory.
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Use the add-repository subcommand to yum or the Add Repository option in the File menu in yumex, passing it the URL of the repository.
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Edit the /etc/yum.conf file, locate the [repos] section, and add the URL to the repository after the existing repository URLs.
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Edit the /etc/yum.conf file, locate the REPOSITORIES= line, and add the new repository to the colon-delimited list on that line.
Frage 12
Frage
What option(s) to rpm will instruct rpm to run a verification check on all packages installed on the system?
Antworten
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rpm -verify -all
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rpm -Va
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rpm -qa
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rpm -check
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rpm -c
Frage 13
Frage
For distributions that use the Red Hat package management system, what command will list all packages currently installed?
Antworten
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rpm -qa
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rpm -i
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rpm -Uvh
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rpm -list
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rpm -all
Frage 14
Frage
for distributions that use the Red Hat package management system, what command will download and update all installed packages to he latest available version?
Antworten
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yum update
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yum install
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yum config
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yum list available
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yum download
Frage 15
Frage
To use dpkg to remove a package called theprogram, including its configuration files,
which of the following commands would you issue?
Antworten
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dpkg -e theprogram
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dpkg -p theprogram
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dpkg -r theprogram
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dpkg -r theprogram-1.2.3-4.deb
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dpkg -P theprogram
Frage 16
Frage
What is it that allows apt-cache to be done?
Antworten
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That’s intended solely to provide information about the Debian package database
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Packet list to be installed by the operating system
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Install the packages that run certain libraries
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Install only using the alien converter with current kernel versions
Frage 17
Frage
The parameter to unpack a file in tar is:
Antworten
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j
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x
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z
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r
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v
Frage 18
Frage
To see a compressed file with gzip format, I use the parameter, with command gzip:
Antworten
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-x
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-r
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-d
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-t
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-w
Frage 19
Frage
What is the preferred method of adding a directory to the library path for all users?
Antworten
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Modify the LD_LIBRARY_PATH environment variable in a global shell script.
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Add the directory to the /etc/ld.so.conf file, and then type ldconfig.
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Type ldconfig /new/dir, where /new/dir is the directory you want to add.
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Create a symbolic link from that directory to one that’s already on the library path.
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Type ldd /new/dir, where /new/dir is the directory you want to add.
Frage 20
Frage
What programs might you use to learn what your system’s load average is? (Select two.)
Antworten
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ld
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load
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top
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uptime
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la
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