Operating systems (10) Flashcards
You are at a Linux workstation on your network with the terminal open. Which command can you issue to see the size of files and directories on this computer?
fsck
df
du
du
The du (disk usage) command will show how much disk space is being used. By default, it shows usage in disk blocks, which isn’t very reader-friendly. Use the -h option to show it in kilobytes, megabytes, and so on, and use the -a option to show all files and directories. To use both together, the syntax would be du -ah/[volume_name]
You want to start the visual file editor on your Linux server. Which command is used to do that?
cd
ps
vi
vi
The vi command (shortened from visual) is used to open a window-oriented text editor in Linux. The cd command is for change directory, ps lists processes, and cp is copy
What feature in Windows 10 allows a user to synchronize files and folders between the local system and an offline location?
Credential Manager
MSINFO32
Sync Center
Sync Center
Sync Center in Windows 10 (from Windows 7 and after) allows users to select a folder or particular files and maintain synchronization between the local system and an offline location, such as, for example, on a network server
One of the workstations on your network runs Ubuntu Linux. Which command can you use to install patches to upgrade the operating system?
apt-cache
apt-get
vi-get
apt-get
Depending on the variant of Linux you are running, apt (Advanced Package Tool) can be useful in getting the patches from a repository site and downloading them for installation. The most common command used with this tool is apt-get, which, as the name implies, gets the package for installation
What does the taskkill command do on a Windows system?
Shuts down the machine gracefully
Kills all applications running at the time
Kills a single process
Kills a single process
The taskkill command is a command-line command, which typed with a task ID number, will kill that process. The command must be done with a command prompt window with administrative privileges
Which of the following features are typically present in mobile operating systems by default but not in desktop operating systems? (Choose two.)
SDK
Power options
Gesture-based interaction
Emergency notifications
Gesture-based interaction
Emergency notifications
To interact with a mobile operating system, people can use gesture-based interaction, or gestures. Mobile devices also have emergency notifications built-in, for Amber alerts or government-declared emergencies. Software development kits (SDKs) are available for nearly all OSs, as are power options
Which feature of MacOS allows others to see your screen and requires a Virtual Network Computing (VNC) connection?
Shell/Terminal
Image sharing
Screen sharing
Screen sharing
Screen sharing is a MacOS feature that allows you to share your screen with others. It requires a Virtual Network Computing (VNC) connection
What operating system developed by Google is compatible with Android-based tablets?
Ubuntu
iOS
Chrome
Chrome
Chrome OS was designed by Google, and may be installed on tablets, smartphones, laptops and desktops alike
What network optimization feature can run in distributed or hosted mode?
LocalCache
BranchCache
CacheBypass
BranchCache
BranchCache is a network optimization feature found in the Windows OS, from version 8 onward. Network bandwidth is optimized as web content from a WAN connection and is cached locally. Local machines then fetch the web content from one or more servers (hosted mode) or from other local clients (distributed)
What modern partitioning scheme replaces Master Boot Record and eliminates the need for an extended partition?
Primary
Dynamic
GPT
GPT
GUID Partition Table (GPT) does not require an extended partition as needed by MBR. MBR is also limited to 2 TB drives, while the more modern GPT has no such limitation
Which command-line tool allows an administrator to prepare and mount a Windows Desktop image?
dism
chkdisk
diskpart
dism
Deployment Image Servicing and Management (dism) is used to prepare and mount a Windows Desktop image. The chkdisk tool identifies damaged disk sectors, while the diskpart tool will clean and format a disk partition. The netstat tool provides various network statistics
Which disk management tool is used to pool together multiple hard drives?
Diskpart
Storage spaces
robocopy
Storage spaces
Storage spaces will pool together multiple hard drives, similar to creating a RAID set. Disk management also provides this feature
Which Windows 10 networking option is available to permit connecting to the Internet using a cellular connection.
VPN
CAN
WWAN
WWAN
Wireless WAN (WWAN) is an option in Windows 10, provided it is enabled by the hardware, likely in the BIOS. WWAN provides Internet connectivity via cellular use
What policy would an administrator set to limit network bandwidth usage on a Windows Server 2016 system?
NBG
DSCP
QoS
QoS
Quality of Service is not a networking technology just in Windows; in Windows Server 2016, an administrator can define a QoS policy to limit network bandwidth. The Differentiated Services Code Point (DSCP) is not a stand-alone policy but one of the values in configuring QoS
What does KeyChain provide the user in MacOS?
Password management
Local file sharing
Certificate management
Password management
Remembering the passwords for various websites is easily managed in MacOS with Keychain
Compared to Windows or Apple workstations, what is a difference between those and a Linux workstation?
Linux is more expensive to license
Windows experiences fewer threats and exploits
Linux is open source
Linux is open source
Indeed, Linux is open source, meaning a user has the choice to alter the underlying code as it suits their needs, then recompile for use. Clearly, Windows is more expensive and is the more popular target for exploits. There are several Linux OS varieties
Comparing Apple Macintosh OS, Microsoft Windows and Linux, which rarely, if ever, announces an end-of-life date for their OS?
Apple
Microsoft
Linux
Apple
Apple almost never gives a date to formally declare an OS version as end-of-life. Microsoft routinely announces a product’s end-of-life, but also often provides extensions for business. Linux varieties do announce end-of-life, particularly those commercially managed, such as Red Hat
What workstation operating system has update limitations per hardware form factor?
Apple Macintosh OS
Microsoft Windows
Linux
Apple Macintosh OS
Unlike Microsoft Windows or Linux, the Apple Macintosh OS is typically issued updates specific to the type of workstation or device family. For example, an OS update may be developed for the 2018 Touch Bar MBP one day, while the 2018 MacBook Air update will be distributed separately a few months later
Which of the following Windows 7 editions cannot use domain access?
Windows 7 Ultimate
Windows 7 Professional
Windows 7 Home
Windows 7 Home
Windows 7 Home is not capable of joining a domain. In the configuration dialog box for joining as a member a domain or workgroup, the Windows 7 Home edition has domain grayed out. The other three editions offer you to join either a domain or workgroup
Which of the following Microsoft Windows versions comes with Windows Media Center?
Windows 7
Windows 8
Windows 10
Windows 7
Windows Media Center was discontinued by Microsoft in 2009 in Windows 7. Microsoft offered it for Windows 8 and 8.1 only as a Media Center Pack add-on. Windows 10 does not support WMC at all
ou need to install Windows 10 onto a few nearby systems currently with no OS or optical drive. What method suits your work best and even allow for unattended installation if needed? (Choose two)
Solid state/flash drives with answer file
CD-ROM with answer file
External/hot-swappable drive with unattended file
ISO image on DVD with unattended file
Solid state/flash drives with answer file
External/hot-swappable drive with unattended file
Both solid state/flash drives or external/hot-swappable drives can be set up as Windows installation media relatively easily. And once started, installation can be automated with an answer/unattended file. The DVD or CD-ROM cannot be used since the systems are without optical drives
What type of partition does the Windows 10 version 1803 update create on Windows 10 installations?
Factory recovery partition
Pre-upgrade partition
Command-line (no GUI) Windows partition
Factory recovery partition
The Windows 10 version 1803 update creates its “OEM partition,” or what’s known as a factory recovery partition. This assists with recovering from a corrupted operating system. The created partition is typically about 450MB in size
You are creating a boot drive for a Windows 8 system. What happens if it is not a properly formatted boot drive with the correct partitions/format? (Choose two)
Boot drive will not boot
Boot drive boots but cannot be seen
Boot drive works, but cannot save
Boot drive will not boot
USB boot drives are typically formatted as NTFS. However, Windows 8 is a UEFI system, cannot boot from a NTFS formatted device. A boot drive for Windows 8 must formatted as FAT32. In this scenario, the boot drive will not boot
Laptops with a touchpad can be customized to open a utility or application when users touch or swipe their touchpad in various ways. Choose the best answer to name this feature and the OS on which it is available.
Fingex on Mac OS
Gestures on Linux OS
Gestures on Mac OS and Linux OS
Gestures on Mac OS and Linux OS
Gestures is a feature that allows you to customize multi-finger gestures on the touchpad to then launch an application. Gestures is available on both Mac OS and Linux OS
