Operating Systems and You: Becoming a Power User
Users, Administrators,Groups and Permissions
1.
Question 1
As a Windows Administrator for a large company, you are asked to grant temporary software installation permissions to the Sales department. Which of the following would be the most efficient method for accomplishing this task?
1 / 1 point
Grant temporary Administrator permissions to each employee in the Sales department.
Add the User account for each employee in the Sales department into a special Group, then grant temporary software installation permissions to the Group.
Grant each employee in the Sales department temporary software installation permissions on their individual User accounts.
Grant each employee in the Sales department temporary Local Administrator permissions on their individual computers.
2.
Question 2
Which of the following Windows tools can be used to manage group information?
1 / 1 point
System Configuration
Computer Management
Registry Editor
Task Manager
3.
Question 3
Which Windows PowerShell CLI command can be used to list the Users within local Groups on a given computer?
1 / 1 point
Get-LocalUser
Get-LocalGroupMember
Get-GPOReport
Get-LocalGroup
4.
Question 4
On a Linux system, which file contains information about group memberships?
1 / 1 point
/etc/group
/etc/sudoers
/etc/users
/etc/passwd
5.
Question 5
Which of the following locations and/or methods can Administrators find and/or use to change user passwords on Windows systems? (Choose all that apply)
1 / 1 point
In the GUI, under Local Users and Groups in the Computer Management tool.
In the GUI, under Control Panel > System and Security > Change User Account Control Settings.
At the CLI, using the DOS style net user command.
At the CLI, using the DOS style net config command.
6.
Question 6
On Linux systems, which CLI command and flags are used to force a user to change their password upon their next login? (Choose all that apply)
1 / 1 point
passwd -eusername
user -e username
passwd –expire username
password -changeusername
7.
Question 7
Which of the following methods can Administrators use to add a user in Windows? (Choose all that apply)
0.75 / 1 point
At the CLI, using the DOS style net computer computername/new command.
With Powershell, use the Create-LocalUser usernamecommand.
In the GUI, under Local Users and Groups in the Computer Management tool, right click Users and select New User.
At the CLI, use the DOS style net user username * /add command.
8.
Question 8
What does DACL stand for?
1 / 1 point
Direct Access Control List
Discretionary Access Content List
Discretionary Access Control List
Discretionary Admin Control List
9.
Question 9
Imagine you are an IT administrator and you need to check that proper permissions are configured on a file in Linux. The file’s owner should have full permissions. The file’s associated group members should be able to read and write to the file, but not execute the file. Other users can only read the file. How should these file permissions look when you check them in the CLI environment?
1 / 1 point
-rwxrw-r- –
Drwxrw-r- –
-r- -rw-rwx
-rwerw-r- –
10.
Question 10
When using ICACL in the Windows CLI, what flag shows that a given user can create files?
1 / 1 point
S
write
WD
CF
Package and Software Management
1.
Question 1
Which of the following package formats is used by the Windows Store to distribute universal Windows platform apps?
1 / 1 point
appx packages
Windows executable files
Microsoft install packages
Debian packages
Correct
2.
Question 2
What does the following command do in Ubuntu:dpkg -i UbuTestPackage?
1 / 1 point
Uninstall a Debian package named “UbuTestPackage”
Install a Debian standalone package named “UbuTestPackage”
Uninstall a Debian package named “DPKG”
Search for a package that is installed on your Linux system
3.
Question 3
Which of the following is a method for installing an app into a mobile OS?
1 / 1 point
Down-storing
Unlocking
Uploading
Side-loading
4.
Question 4
Which of the following Powershell commands will take all files from the desktop “TestArchive” directory, and archive it in a “TestArchive.zip” file?
1 / 1 point
*A: Compress-Archive -path C:\Users\testuser\Desktop\TestArchive\ ~\Desktop\TestArchive.zip
Create-Archive -path C:\Users\testuser\Desktop\TestArchive\ ~\Desktop\TestArchive.zip
B: Expand-Archive -path C:\Users\testuser\Desktop\TestArchive\ ~\Desktop\TestArchive.zip
Archive -path C:\Users\testuser\Desktop\TestArchive.zip ~\Desktop\TestArchive\
5.
Question 5
Which of the following Powershell commands will install a software package called “TestPackage” on your system?
1 / 1 point
TestPackage-Install -Chocolatey
Find-Package TestPackage -IncludeDependencies
Install-Package -name TestPackage
Get-Package -name TestPackage
6.
Question 6
Which of the following is the package manager used in Ubuntu?
1 / 1 point
Launchpad
Gimp
Puppet
APT
7.
Question 7
What is the piece of software that helps hardware devices interact with an operating system?
1 / 1 point
A cmdlet
The devmgmt.msc program
The hardware ID
A device driver
8.
Question 8
Which of the following actions can be done through right-clicking in Windows’ Device Manager console? Select all that apply.
0.75 / 1 point
Updating a device driver
Disabling a device driver
Uninstalling a device driver
Installing a new device driver
9.
Question 9
Which of the following will appear as a character device in your Ubuntu /dev directory? Select all that apply.
1 / 1 point
A hard drive
A keyboard
A CD-ROM
A mouse
10.
Question 10
Which of the following commands will update your Linux application sources?
1 / 1 point
install source.list
sudo apt update
sudo apt full-upgrade
uname -r
Filesystems
1.
Question 1
Disk partitions can be used for which of the following purposes? Select all that apply.
0.75 / 1 point
To be able to select from two different operating systems at boot up
To use different file systems on the same hard drive
To expand the storage space on a hard drive
To create volumes
2.
Question 2
What is the maximum volume size for an MBR partition?
1 / 1 point
Two gigabytes.
One terabyte.
1024 megabytes.
Two terabytes.
3.
Question 3
The Windows Disk Management Utility provides which of the following? Select all that apply.
1 / 1 point
A command line interface
Information about a computer’s disks and disk partitions, as well as their file systems
A utility to make modifications to the disk and partitions on a computer
Information about the free and total capacity of disks and partitions on a computer
4.
Question 4
In Linux, what information will be displayed about a computer’s disks when the sudo parted -l command is executed in the CLI? Select all that apply.
1 / 1 point
The sizes of the disk partitions
The number of partitions on each of the computer’s disks
The security permissions for each partition
The partition table types for each disk
5.
Question 5
When managing memory, where does the operating system keep the most commonly accessed data pages?
1 / 1 point
In RAM
In a special hidden file on the root partition of a volume called page file dot sys
On the hard drive
In the cloud
6.
Question 6
In Linux, what happens when you enter the command sudo swapon /dev/sdb1?
1 / 1 point
You mount a swap partition.
You enable swap on the selected device.
You create a new disk partition.
You format a disk partition for swap space.
7.
Question 7
What file attributes are stored in the Master File Table (MFT)? Select all that apply.
1 / 1 point
File creation time stamps
File data locations
Language used in the file data
Whether or not a file is read-only
8.
Question 8
What is the Linux equivalent to Window’s Master File Table (MFT)?
1 / 1 point
ipod table
ilink table
ipath table
inode table
9.
Question 9
Which of the following commands will run the check disk utility and fix any problems it finds?
1 / 1 point
fsck
chkdsk
chkdsk /F
chkfix
10.
Question 10
What must you do before trying to manually repair a file system with the fsck command?
1 / 1 point
Make sure the file system is properly mounted.
Run the chkdsk command.
Make sure the file system is properly unmounted.
Reboot your computer.
Process Management
1.
Question 1
You launch notepad.exe from a Powershell command line. Which of the following is true?
1 / 1 point
The Powershell process is the parent process for notepad.exe.
The Powershell process will terminate when the notepad.exe process terminates.
The notepad.exe process is the parent process for Powershell.
The notepad.exe process will terminate when the Powershell process terminates.
Correct
2.
Question 2
When a process completes its task, what happens? Select all that apply.
1 / 1 point
The process releases all the resources it was using back to the kernel.
The process goes into a suspended state.
The process releases all the resources it was using to its parent.
The process terminates automatically.
3.
Question 3
Which of the following process information can you find in Windows Task Manager? Select all that apply.
0.75 / 1 point
What time the process started
What application or image the process is running
The CPU resources the process is using
The memory resources the process is using
4.
Question 4
When using the ps -ef command to read process information in Linux, what is the process’ PPID?
1 / 1 point
The ID of the person who launched the process
Its Process Identification number
The terminal associated with the process
The Process Identification number of its parent
5.
Question 5
What is the default action of the SIGINT signal?
1 / 1 point
To restart the process that is signaled
To suspend the process that is signaled
To put the process that is signaled into a sleep state
To terminate the process that is signaled
6.
Question 6
You launch notepad.exe from a PowerShell command prompt. Later, you use Process Explorer to restart the notepad.exe process? After restart, what is the parent process of notepad.exe?
1 / 1 point
PowerShell (powershell.exe)
notepad.exe
Process Explorer (procexp.exe)
smss.exe
7.
Question 7
In Linux, what signal puts a process into a suspended state?
1 / 1 point
SIGINT
SIGTSTP
SIGKILL
SIGTERM
Correct
8.
Question 8
In iOS and Android, what’s the first thing you should try when troubleshooting a misbehaving app?
0 / 1 point
Check for an app that is using a lot of battery.
Uninstall apps, one at a time, starting with the least recently used app.
Close apps, one at a time, starting with the foreground app.
Close apps, one at a time, starting with the least recently used app.
9.
Question 9
Which of the following tools or commands can be used to monitor resources in Windows? Select all that apply.
1 / 1 point
The PowerShell Get-Processcommandlet
Control Panel
The msinfo32 command entered in the CLI
The Resource Monitoring tool
10.
Question 10
Which of the following Linux commands shows information about the current time, how long your system’s been running, how many users are logged on, and what the load average of your machine is?
1 / 1 point
lsof
uptime
top
ps -ef
Operating System in Practice
1.
Question 1
Which of the following can be used to connect securely to a remote computer? (Choose all that apply)
1 / 1 point
A dynamic-link library
A VPN connection
An SSH client
An SSD client
2.
Question 2
What is the Microsoft Terminal Services Client used for?
1 / 1 point
Locating terminals running on a computer.
Enabling terminal connections on a remote computer.
Creating RDP connections to remote computers.
Connecting with Linux computers outside of the local network.
3.
Question 3
Which of the following is the Windows command line tool that enables file sharing from the CLI?
1 / 1 point
share to net
file share
net share
share file
4.
Question 4
What is Virtual Box?
1 / 1 point
A VPN network
Software for managing virtual instances
A cloud-based file hosting service
A virtual machine
5.
Question 5
Which of the following is needed to virtualize an instance of Ubuntu the first time? (Choose all that apply)
0.75 / 1 point
An image of Ubuntu
A Windows host system
A physical host machine
Software for installing an OS image
6.
Question 6
In the Windows Event viewer, what is the highest logging level for an event?
1 / 1 point
High
Critical
Top
Warning
7.
Question 7
In Linux, which of the following log files usually contains the most comprehensive list of events?
1 / 1 point
The /var/log/kern.log file
The /var/log/uber.log file
The /var/log/dmesg file
The /var/log/syslog file
8.
Question 8
You’ve found a log file with a long list of errors in it. Where in the log would be a good place to start searching for the problem?
1 / 1 point
The middle
The top
The bottom
9.
Question 9
What is a benefit of cloning a hard drive versus installing from installation media?
1 / 1 point
Cloned drives will last longer
Installing from installation media is more resource intensive
A cloned drive is more secure
The cloned drive also includes settings and folders
10.
Question 10
What is the difference between using SCP and other methods of file transfer?
1 / 1 point
SCP is less resource intensive than an email
There is no difference
SCP encrypts a flash drive for transfer
SCP uses SSH to transfer data
