4562685
Descripción
Test por Anthony Schulmeister, actualizado hace más de 1 año
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Creado por Anthony Schulmeister
hace casi 9 años
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Pregunta 1
Pregunta
One reason to virtualize is:
Respuesta
-
It is required by the Linux kernel..
-
It is the only way to get files from Microsoft Operating Systems to Linux Operating systems.
-
It's cool.
-
Cost savings and environmental consciousness.
Pregunta 2
Pregunta
Paravirtualization is also known as bare-metal or native virtualization.
Respuesta
- True
- False
Pregunta 3
Pregunta
Virtual Box is made by Oracle.
Respuesta
- True
- False
Pregunta 4
Pregunta
Virtualization is making something smell like something else.
Respuesta
- True
- False
Pregunta 5
Pregunta
Virtualization is making something look like something else.
Respuesta
- True
- False
Pregunta 6
Pregunta
The host operating system is the system or host upon which the guest OS (VM) runs.
Respuesta
- True
- False
Pregunta 7
Pregunta
Better cross platform support is one advantage of virtualization.
Respuesta
- True
- False
Pregunta 8
Pregunta
What is virtualization 'technically speaking' ?
Respuesta
-
The abstraction of comuter resources.
-
A resource manager.
-
A fake computer.
-
A halodeck
Pregunta 9
Pregunta
One reason to virtualize is:
Respuesta
-
It does not offer ease of implementation.
-
There is no cross-platform support.
-
It improves server and application availability.
-
The public is demanding it.
Pregunta 10
Pregunta
One reason to virtualize is:
Respuesta
-
I have no idea I haven't read the chapter.
-
It is required under new government law
-
It is one of the most importatnt enablers of todays cloud-centric approach to computing, etc.
-
It forces debugging of programs to be done on a stand-alone machine.
Pregunta 11
Pregunta
A hypervisor is also referred to as the virtual machine monitor (VMM).
Respuesta
- True
- False
Pregunta 12
Pregunta
Full virtualization is also known as bare-metal or native virtualization
Respuesta
- True
- False
Pregunta 13
Pregunta
Kernel-Based Linux Machines (KVM) are:
Respuesta
-
are really "machine emulators".
-
the official Linux answer and contribution to the virtualization space
-
Microsoft's virtualization implementation
-
one of the earliest implementations
Pregunta 14
Pregunta
Guest Operating System is not the same as a Virtual Machine
Respuesta
- True
- False
Pregunta 15
Pregunta
Virtualization:
Respuesta
-
Is relatively new in the computing world
-
Has been around in various forms for a long time
-
Only works on Linux machines
-
Is not really that useful
Pregunta 16
Pregunta
One of the advantages of virtualization is it can reduce the number of machines needed.
Respuesta
- True
- False
Pregunta 17
Pregunta
The server room does not need to be temperature controlled because servers are robust and can handle a wide variety of temperatures.
Respuesta
- True
- False
Pregunta 18
Pregunta
It is important to check your distrobutions Hardware Compatibility List (HCL) before installing Linux.
Respuesta
- True
- False
Pregunta 19
Pregunta
With Server 2008, Microsoft has somewhat decoupled the GUI from the base OS
Respuesta
- True
- False
Pregunta 20
Pregunta
A server should be located out in the open, with easy access for all.
Respuesta
- True
- False
Pregunta 21
Pregunta
We will be using a dual-boot system in this course
Respuesta
- True
- False
Pregunta 22
Pregunta
VFS is used for a partition that will store files from non-Linux Operating Systems.
Respuesta
- True
- False
Pregunta 23
Pregunta
Partitioning a hard drive in Linux helps with:
Respuesta
-
Killing Time
-
Organization and recovery
-
Impressing your boss who is non-technical
-
Keeping your hard drive working propoerly
Pregunta 24
Pregunta
Which Partition is used by Linux for virtual memory?
Respuesta
-
pagefile
-
swap
-
/swap
-
/boot
Pregunta 25
Pregunta
Linux may not support your hardware by default
Respuesta
- True
- False
Pregunta 26
Pregunta
If your system has 1 GB of RAM, how big sould your swap partition be?
Respuesta
-
500 MB
-
1 GB
-
2 GB
-
2 MB
Pregunta 27
Pregunta
Linux, for the most part, adopts the monolithic kernel architecture
Respuesta
- True
- False
Pregunta 28
Pregunta
You're planning to install Linux on a system that you have built out of spare parts. Several compnents are not listed on your distrobutions HCL. What should you do?
Respuesta
-
Install the distrobution anyway and hope for the best.
-
Install the distrobution and then install the latest product updates.
-
Replace the incomatible parts with supported parts.
-
Spend 3 days scouring the internet looking for drivers.
Pregunta 29
Pregunta
In the Macintosh and Windows deisgn concept, the GUI interface and kernel are separate.
Respuesta
- True
- False
Pregunta 30
Pregunta
KDE, GNOME and XDE are examples of GUI interfaces available for Linux.
Respuesta
- True
- False
Pregunta 31
Pregunta
Red Hat and Ubuntu are examples of:
Respuesta
-
Something I wear and I word I've never heard of
-
tape
-
commercial distributions
-
free distributions backed by their commercial counterparts
Pregunta 32
Pregunta
The Open Source/GNU movement was started by Richard Stallman
Respuesta
- True
- False
Pregunta 33
Pregunta
A multi-user operating system is capable of providing services for many users on the system concurrently.
Respuesta
- True
- False
Pregunta 34
Pregunta
In Linux, the GUI interface and the kernel are separate.
Respuesta
- True
- False
Pregunta 35
Pregunta
We used the second extended file system (ext2) for our file system.
Respuesta
- True
- False
Pregunta 36
Pregunta
Linux associates each partition as a separate device.
Respuesta
- True
- False
Pregunta 37
Pregunta
RHEL and SLE are examples of:
Respuesta
-
huh?
-
Terms that have special meaning in Linux
-
commercial distributions
-
free distributions backed by their commercial counterparts
Pregunta 38
Pregunta
What is Linux exactly?
Respuesta
-
A collection of programs
-
A subdivision on Microsoft
-
A resource manager
-
The core of the operating system: the kernel
Pregunta 39
Pregunta
"One computer, one desk, on user" was the vision of Richard Stallman
Respuesta
- True
- False
Pregunta 40
Pregunta
The root directory in Linux is:
Respuesta
-
/
-
C:\
-
D:\
-
/root
Pregunta 41
Pregunta
ext3 and ext are exactly the same file system with different names
Respuesta
- True
- False
Pregunta 42
Pregunta
Virtual memory is the same as Swap space in Linux
Respuesta
- True
- False
Pregunta 43
Pregunta
GNU stands for:
Respuesta
-
Great New Upgrade
-
GNU's Not UNIX
-
Gates, Networks, Unicode
-
none of the above
Pregunta 44
Pregunta
A server should be user friendly so anyone in the company can use it for casual computing.
Respuesta
- True
- False
Pregunta 45
Pregunta
The different releases of Linux are known as:
Respuesta
-
distribution or distro
-
service patch
-
update
-
release
Pregunta 46
Pregunta
A server (or any system) should have a strong password.
Respuesta
- True
- False
Pregunta 47
Pregunta
The following is an installation method for Linux
Respuesta
-
All of the below
-
Optical Media (CD/DVD with an ISO).
-
Network Installation
-
Installing from a live CD/DVD
Pregunta 48
Pregunta
We will be using a dual-boot system in this course.
Respuesta
- True
- False
Pregunta 49
Pregunta
Assuming all other preliminary steps have been taken correctly, what command would you enter at the shell prompt to extract all of the files from the Bit Torent-5.0.1.tar.gz archive?
Respuesta
-
gzip -d ./Bit Torrent-5.0.1.tar.gz
-
tar -zxvf ./Bit Torrent-5.0.1.tar.gz
-
tar -xvf ./Bit Torrent-5.0.1.tar.gz
-
unzip -zxvf ./Bit Torrent-5.0.1.tar.gz
Pregunta 50
Pregunta
The third field in the /etc/passwd file is:
Respuesta
-
sticky bit
-
shell
-
group ID (GID)
-
user ID (UID)
Pregunta 51
Pregunta
The configuration files for BASH are:
Respuesta
-
.bashrc/ .profile
-
/etc/bash
-
.tcshrc/ .xinitrc
-
bash profile
Pregunta 52
Pregunta
An administrator types the following command on an RPM based Linux system: # rpm -ihv megaprog.rpm. What is the effect of this command?
Respuesta
-
The megaprog.rpm, if it exists, is valid and is not already installed, is installed on the system.
-
The megaprog.rpm is automatically updated and installed on the system
-
The megaprog.rpm is compiled into a binary file so it can be installed on the system using ./configure.
-
The megaprog.rpm, if it exists, is valid and is already installed, is uninstalled on the system.
Pregunta 53
Pregunta
What command would you use to uninstall the evolution-2.6.0.41.i586.rpm from your system?
Respuesta
-
rpm -U evoltion
-
rpm -U --remove evoltion
-
rpm -i --remove evolution
-
rpm -e evolution
Pregunta 54
Pregunta
The RPM and YUM package management systems are usually associated with _______ distributions.
Respuesta
-
Windows based Systems
-
MAC OS based systems
-
Debian distributions
-
Red Hat/Fedora
Pregunta 55
Pregunta
What is YaST?
Respuesta
-
Something used to make bread and beer
-
Nothing, you made this up to confuse us
-
Yet another Setup Tool and it has a GUI interface
-
A tool for yanking stats from the sports page
Pregunta 56
Pregunta
Consider the following entry in /etc/passwd: ksanders:x:1001:100:Kimberly Sanders:/homeksanders: /bin/bash. What us the primary group for this user?
Respuesta
-
ksanders
-
home
-
1001
-
100
-
/bin/bash
Pregunta 57
Pregunta
Which is true of using both RPM and Debian package management systems on one computer?
Respuesta
-
It is impossible because Red Hat and Debian systems are so different.
-
It is generally inadvisable because the two systems don't share installed-file database information.
-
It is common practice on Red Hat and Debian systems
-
The universe will end if this is done, so you should avoid doing it when possible.
Pregunta 58
Pregunta
The /etc/shadow file:
Respuesta
-
is a line oriented editor
-
is where the user information is stored
-
is the encrypted password file
-
should be readable by all users
-
can't be seen but is always right behind you
Pregunta 59
Pregunta
To modify an existing user's profile you, must use the _____________ command.
Respuesta
-
modify user
-
usrmd
-
usermod
-
usrmod
Pregunta 60
Pregunta
The command to add a new user is:
Respuesta
-
adduser
-
useradd
-
usradd
-
usernew
Pregunta 61
Pregunta
An executable file has the SUID permission set. If the file is run on the system, who owns the file?
Respuesta
-
The user who created the file remains the owner.
-
The user who ran the file becomes the permanent owner
-
The root user becomes the owner
-
The user who runs the file becomes the file's temporary owner
Pregunta 62
Pregunta
What is the command to modify an existing group?
Respuesta
-
grpmod
-
groupmod
-
modgroup
-
groups cannot be modified
Pregunta 63
Pregunta
Where does the RPM store its database of installed packages?
Respuesta
-
/var/lib/rpm
-
/etc/rpm
-
/var/rpm
-
/tmp/rpm
Pregunta 64
Pregunta
You currently have evolution-2.2.0.53.i586.rpm on your system. You have recently downloaded evolution-2.6.0.41.i586.rpm to your system and want to install it. What command will you use to upgrade(install) the newer package?
Respuesta
-
rpm -i evolution-2.6.0.41.i586.rpm
-
rpm -I --upgrade evolution-2.6.0.41.i586.rpm
-
rpm -e evolution-2.6.0.41.i586.rpm
-
rpm -U evolution-2.6.0.41.i586.rpm
Pregunta 65
Pregunta
You must use the which command to add a new group to your system?
Respuesta
-
addgroup
-
groupadd
-
grpadd
-
addgrp
-
group-a-licious
Pregunta 66
Pregunta
In Linux, PAM is the acronym for:
Respuesta
-
Post Atomic Man
-
Pluggable Administator Modules
-
Pluggable Adduser Modules
-
Pluggable Authentication Modules
Pregunta 67
Pregunta
Which command deletes a user?
Respuesta
-
userdel
-
deluser
-
XXX user
-
usrdel
Pregunta 68
Pregunta
What command will you type to obtain a list of all installed packages on a Debian system?
Respuesta
-
apt-cache pkgnames
-
apt-cahce showpkg
-
dpkg -r allpkgs
-
dpkg -i
Pregunta 69
Pregunta
Which of the following commands would you type to update the unzip program on a Fedora system? (Choose all that apply)
Respuesta
-
yum update unzip
-
yum upgrade unzip
-
yum -u unzip
-
yum _U unzip
Pregunta 70
Pregunta
You've downloaded a package named evolution-2.6.0.41.i586.rpm to your home directory. What command will you use to check the digital signature of the package to verify that is has not been tampered with?
Respuesta
-
rpm -checksig ./evolution-2.6.0.41.i586.rpm
-
rpm --verify ./evolution-2.6.0.41.i586.rpm
-
rpm -mperproof evolution-2.6.0.41.i586.rpm
-
All Linux packages are tamperproof by default
Pregunta 71
Pregunta
Which option should be used to add a comment to the new user's profile?
Respuesta
-
[ctrl-C]
-
#NAME!
-
#NAME?
-
-c
Pregunta 72
Pregunta
Group information is stored in the:
Respuesta
-
/etc/groups/info
-
/etc/group file
-
/X/Files
-
c/shadow
Pregunta 73
Pregunta
You need to change the permissions on a file called spock.odt such that the owner can read and write to the file, users who are members of the group can read and write to the file and users who are not the owner and not part of the owning group can only read the file. Which command will do this?
Respuesta
-
chmod 755
-
chmod 664
-
chmod 655
-
chmod 446
Pregunta 74
Pregunta
From a shell prompt you type, sudo apt-get update on a Debian system. What is the expected effect of this command?
Respuesta
-
None: this is an invalid option for the apt-get command
-
The APT utilities deliver information about the latest packages available and install them automatically.
-
The APT utilities download the latest packages available and install them with subsequent apt-get commands.
-
The APT utilities retrieve information about the latest packages available so that you may install them with subsequent apt-get commands.
Pregunta 75
Pregunta
The APT and dpkg package management systems are usually associated with _______ distributions
Respuesta
-
Windows based Systems
-
MAC OS based systems
-
Debian distributions
-
Red Hat/Fedora
Pregunta 76
Pregunta
Each group gets a(n):
Respuesta
-
unique UID
-
unique GID
-
Free I Love Linux Button
-
unique PAM
Pregunta 77
Pregunta
Which of the following is used to delete an existing group?
Respuesta
-
groupdel
-
delete group
-
grpdel
-
group delete
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