Chapter 1 Exam Flashcards
One of the jobs of the kernel is to:
Transfer mail from one machine to another
Manage the system’s resources
Load the operating system after the computer is turned on
Turn source code into machine code
Manage the system’s resources*
Unix is: (choose two)
A distribution of Linux A trademark A text editor An operating system A type of hardware
An operating system*
A trademark*
Linux is written in: C .NET Java Perl C++
C
Source code refers to:
The interface that software uses to talk to the kernel
The license that dictates how you may use and share the software
The version of a program that the computer runs on the CPU
A human readable version of computer software
A human readable version of computer software*
Open source means: (choose two)
You must support the software you share
You can view the software’s source code
You cannot charge anything for the software
You must share your changes
You can modify the software’s source code
You can view the software’s source code*
You can modify the software’s source code
Most of the tools that are part of Linux systems come from:
Google Red Hat and Debian The Open Source Initiative The Linux foundation The GNU project
The GNU project*
The Linux platform that runs on mobile phones is called:
IOS Teldroid LinuxMobile Android MicroLinux
Android*
What does a distribution provide to add and remove software from the system?
Bash Application Programming Interface (API) Partitioning tool Package manager Compiler
Package manager*
The bootloader’s job is to:
Load the application into memory
Assign initial settings such as network address
Install software from the Internet or removable media
Perform the initial installation of the kernel to hard drive
Load the kernel after the computer is powered on
Load the kernel after the computer is powered on*
UNIX was originally invented at:
Stanford University AT&T Bell Labs Berkeley University Xerox PARC Bangalore University
AT&T Bell Labs*
A license where you don’t have access to the source code is called:
Impaired source
Closed source
Open source
Sourceless
Closed source
Which distributions are made by, or clones of, Red Hat? (choose two)
Fedora Ubuntu Slackware Debian CentOS
Fedora*
CentOS*
Ubuntu is derived from which distribution?
Scientific Linux Slackware Fedora Debian Red Hat Enterprise Linux
Debian*
Open source licenses differ, but generally agree that: (choose two)
You must redistribute your changes
You are not allowed to sell the software
You should be able modify the software as you wish*
You should have access to the source code of software
You should have access to the source code of software*
Applications make requests to the kernel and receive resources, such as memory, CPU, and disk in return.
True or False?
True
False
True
The most important consideration when choosing an operating system is:
What the computer will do The licensing model of the operating system The operating system’s mascot How much performance is needed Whether or not it is cloud-friendly
What the computer will do*
Linux is not Unix because:
It’s not good enough It’s free It’s not made by the Open Group There are too many distributions It hasn’t undergone certification
It hasn’t undergone certification*
A release cycle:
Is always 6 months
Doesn’t matter in an Open Source environment
Describes how long the software will be supported for
Describes how often updates to the software come out
Only applies to software you pay for
Describes how often updates to the software come out
A maintenance cycle:
Should be long so that you have time before you need to upgrade
Only has meaning for paid software
Should be short so you always have the freshest releases
Describes how often updates for software come out
Describes how long a version of software will be supported
Describes how long a version of software will be supported*
If a software release is in a state in that it has many new features that have not been rigorously tested, it is typically referred to as beta software.
True or False?
True
False
True
Software is backward compatible if:
It still supports old file formats or applications
It can be upgraded without downtime
If the next version still works the same way
It works across Linux/Mac/Windows
People still use old versions
It still supports old file formats or applications*
Apple’s OS X is: (choose three)
Derived from Linux Only compatible with Apple hardware Primarily used to manage network services Certified as UNIX compatible Derived from FreeBSD Able to natively run Windows binaries
Only compatible with Apple hardware*
Certified as UNIX compatible*
Derived from FreeBSD*
Microsoft Windows: (choose three)
Has a new desktop version every year. Has a short maintenance cycle Comes in desktop and server variants Has built in virtualization Has a Linux compatibility mode Has powerful scripting capabilities
Comes in desktop and server variants*
Has built in virtualization*
Has powerful scripting capabilities*
Other commercial Unixes: (choose two)
Are tied to their vendor’s hardware Do not run the GNU tools Are UNIX certified Are almost obsolete Use completely different commands than Linux
Are tied to their vendor’s hardware*
Are UNIX certified
When choosing a distribution of Linux, you should consider: (choose five)
Which management tools are provided by the distribution
Whether or not the distribution is under active development
The maintenance cycle of the distribution
Popularity on social media.
If you need support on the distribution itself
Which distributions are supported by the software you need to run
Which management tools are provided by the distribution*
Whether or not the distribution is under active development*
The maintenance cycle of the distribution*
If you need support on the distribution itself*
Which distributions are supported by the software you need to run*