1002 A+ 2 Flashcards
What is GDPR?
General data protection regulation.
An EU regulation.
Gives its citizens more control over information about themselves by giving them ability to remove information about themselves.
How to remotely reboot a windows computer from command line?
Shutdown /r /t nn
t = timer
*where “nn” = the seconds before rebooting.
How to change a Linux account password from the terminal?
Passwd
How to display currently running windows processes from command line?
Tasklist
To kill processes:
taskkill /im notepad.exe
taskkill /pid 1234 /t
What is the shortcut to run cmd prompt as administrator?
Type cmd into run and press ctrl+shft+enter.
How to use help in windows command prompt?
Help [command]
Or
[command] /?
What is the windows equivalent in command prompt of using the “ls” command to list the current directory?
dir
How to shut down a windows computer from the command prompt?
shutdown /s
- if timer is running, can abort with:
Shutdown /a
What is dism?
Deployment Image Servicing and Management tool.
Allows you to manage Windows Imaging format (WIM) files.
What is sfc and how to use it?
System file checker.
sfc /scannow
Checks for damaged system files in windows.
Scans all core system files.
Verifies that malware has not modified any system files.
How to scan hard drive on windows for errors from command line?
chkdsk /f
- fixes logical file system errors on disk.
chkdsk /r
- locates bad sectors and recovers readable info.
- also does logical check from /f.
- if running from that volume, windows allows you to run chkdsk on the next startup.
What is the command line utility for managing storage devices?
Diskpart
diskpart -> help
How to force a group policy update on a windows computer?
gpupdate
*usually update takes affect at next login.
gpupdate /target:{computer|user} /force
gpupdate /target:professor /force
How to view group policy settings for a user or computer?
gpresult /r = shows for that computer
gpresult /user sgc/professor /v
- checks a specific user/remote device.
How to format a drive from the command line?
format d:
What does the /v option mean when using “copy” from command line?
Verifies that files copied correctly to the new location.
What does the /y option mean when using “copy” from command line?
Suppresses any prompts to confirm you want to overwrite an existing destination file.
What does xcopy do?
Copies all files inside a directory as well.
Can use “/s” command to also copy all sub directories.
What is a better option than xcopy?
robocopy.
Included with windows 7, 8 and 10.
Has ability to resume copying if interrupted.
- good for times when connectivity is difficult.
Where can you restart a print spoiler in windows?
Under “Services”.
Where to work with usernames and passwords in windows?
Credential manager.
What is a hypervisor snapshot?
An image of an entire VM, kind of like making restore points in windows. If the VM crashes or is currupted, it can be entirely reloaded.
Another name for a “connection-specific DNS suffix”?
Fully-qualified domain name.
FQDN
What is the command for a more detailed ipconfig?
ipconfig /all
Ping uses what protocol?
ICMP
How to show all active network connections on your local machine?
netstat -a
- use “-n” to not resolve the ip addresses to names (to see the ip’s)
Netstat -b shows binaries
- that means the name of the executable file
What is the “command”?
Specific to windows.
Allows mapping out new drives (like “h:”) and moving files to it.
Net use h: \computera\info-folder
What is mmc.exe?
A pre-built management console for windows that can control a lot of different administrative tasks.
Command to start device manager from command line?
devmgmt.msc
Is Local Security Policy available in home editions of Windows?
No,
Only in Enterprise, Pro, Ultimate and professional versions.
How to access the Services program in Windows?
Services.msc
- background processes.
Used for troubleshooting startup process.
Command line:
Net start
Net stop
What is Task Scheduler?
Control panel -> administrative tools -> task scheduler.
Schedule an application or batch file.
What is ODBC?
Open database connectivity.
Manages list of servers, applications and other things that devices may need to communicate with.
What is PCI DSS?
Payment Card Industry Data Security Standard
a set of security standards designed to ensure that ALL companies that accept, process, store or transmit credit card information maintain a secure environment.
What is iwconfig?
View or change wireless config.
What is a stateful firewall?
A firewall that keeps track of the flow of data. It knows when return traffic is coming back from a server and automatically lets it in. Outside traffic that is not expected will be blocked and other such traffic.
What is mstsc?
Microsoft Terminal Services Client.
Remote Desktop connection.
- can connect to servers to manage them.
How to view currently running applications on a Linux device via command line?
ps
What is the Linux command “dd?”
Restore a Linux partition from backup.
Can also make an image to be used as a backup.
What is DRM?
Digital Rights Management
Used to manage how we are able to use software.
What is FOSS?
Free and open source.
What is PHI?
Personal Healthcare Information.
What is PII?
Personally Identifiable Information.
What is BCD?
Boot configuration database.
Formerly boot.ini
Recovery console: bootrec /rebuildbcd
How to check bios version on windows computer?
Msinfo32
What is a low-level format?
The formatting done at the factory, not done by users.
How to wake computer from sleep for late-night software updates?
Power management tab under the network connection properties, if supported, there will be a checkbox.
What is DSCP?
Differentiated services code points.
Can be managed through group policy/local computer policy.
IPv4 - ToS (type of service) field
IPv6 - Traffic Class octet
What is the shortcut to force quit?
Cmd + opt + escape
What is tar?
Utility for backing up Linux from the command line.
- easy to script into a backup schedule.
Also “rsync” syncs files between storage decices. Instant or scheduled.
How to force a disk check in Linux?
sudo touch /forcefsck
File system consistency check.
Examples of screen sharing apps for Linux?
Remmina, ultraVNC
What is “ls -l | more”?
ls -l = shows current directory w details.
The “| more” = lets you step through the list one page at a time by using the space bar.
Keyword to search in Linux?
grep
Su vs sudo?
Sudo only executes as super user for that specific command.
Su keeps you at elevated privileges.
How to shut down Linux from command line?
Sudo shutdown 2
*the 2 means 2 minutes.
How to restart Linux from terminal?
Sudo shutdown -r 2
Abort:
Shutdown -c
-OR-
Ctrl-c
