Linux Essentials – Chapter 01 Exam Answers 2019 + PDF file

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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
Unix is: (choose two)
- A distribution of Linux
- A trademark*
- A text editor
- An operating system*
- A type of hardware
Linux is written in:
- C *
- .NET
- Java
- Perl
- 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*
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*
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 Linux platform that runs on mobile phones is called:
- IOS
- Teldroid
- LinuxMobile
- Android*
- MicroLinux
What does a distribution provide to add and remove software from the system?
- Bash
- Application Programming Interface (API)
- Partitioning tool
- Package manager*
- Compiler
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*
UNIX was originally invented at:
- Stanford University
- AT&T Bell Labs*
- Berkeley University
- Xerox PARC
- Bangalore University
A license where you don’t have access to the source code is called:
- Impaired source
- Closed source*
- Open source
- Sourceless
Which distributions are made by, or clones of, Red Hat? (choose two)
- Fedora*
- Ubuntu
- Slackware
- Debian
- CentOS*
Ubuntu is derived from which distribution?
- Scientific Linux
- Slackware
- Fedora
- Debian*
- Red Hat Enterprise Linux
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*
Applications make requests to the kernel and receive resources, such as memory, CPU, and disk in return.
True or False?
- True*
- False
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
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*
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
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*
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
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
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
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*
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
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*