Chapter 1 Flashcards
UAC prevents admin acct misuse by doing what?
…permission settings (like location) are adjusted in “Privacy”
flashing a consent dialogue or for a user to enter admin credentials
-app
Virtualization AKA hyper V can be enabled in Windows Features
Feature that speeds up booting of compute after shutdown.
-Fast shutdown
Drive= mapped to a letter in Windows
Partitions are configured on..while volumes are logical storage units made available to the OS
hdds and ssds
unformatted drives need to be….using either MBR or GUID/GPT
gives a partition a filesystem (ex. NTFS)
disk can be repartitioned to grow or shrink space
-initialized
-formatting
feature that configures redundant/RAID arrays. replaced dynamic disk feature
rewrites file data to occupy contiguous clusters. Boost disk reading speed. Done automatically by Task Scheduler.
-Storage Spaces
-defragmentation
system information (msinfo32.exe) shows what?
task manager allows viewing logged in user’s and sending them messages
report about system’s hardware/software, OS versions, enviroment variables etc.
The two Performance Monitor logs are counter logs (collects stats on resources, like memory/disk/processor) and…
-trace logs (collects stats on services)
%processor time= percentage of time processor executes non-idle thread
% privileged time= if high, means system can barely run Windows core processes
% Disk time= if high (85 percent or above), mean disk busy doing too much read/write. Pairs with Avg Disk Queue Length
Avg Disk Queue Length= if this and Disk time high, mean disk problem
What does paging do?
-uses secondary memory as primary memory. Called virtual memory too.
utility that allows changing how Windows boots? (Diagnostic, Selective, etc)
change drive in CMD by typing letter of drive with :
-System configuration utility
xcopy source dir destination dir (recommended to use robocopy now)
what makes a directory? Removes??
-copies from one place to another
-md, rmdir
diskpart utility manages disk. how to select a disk
detail disk shows info and health. if no partitions, means possible corruption
-select disk #
format command writes file system to a drive. format is format X: /fs: <filesystem></filesystem>
chkdsk X: /r/f ?
-f = attempts fix file sys error, -r= fixes and recovers bad sectors
have a BSOD? check where for changes?
how to get advice on how to use a command?
secpol.msc is local security policy. Can view/edit security settings
device manager
help <command></command> or <command></command> /?
Proprietary filesystem for Windows.
It also features journaling (verifying/logging written data), ….(allows for reverting changes and backups, indexing, and…
NFTS
-snapshots
dynamic disk (allows space on multiple disk to be combined into one)
FAT 32 is old. Useful for? Also it has no security or reliability like NTFS
exFAT is 64 bit FAT used for removable drives. Supports large volumes like NTFS
-formatting removable drives and formats system partition aka boot loader
LINUX FILESYSTEMS
ext3 and ext4
APFS is for?
-Apple. supports jounaling, snapshots, and encryption
LIFECYCLE FOR OS/VENDORS
-involves public betas, patches for issues and expanded functioning. Once in extended support phase=commercially available no more=EOL
Windows 10 til 2004 could do 32 bit. No more, only 64 bit. 11= only 64 bit
Windows Home Licensing=OEM (pre-installed on PC), Retail license=?
-can transfer tween ‘puters’ but can install on one machine at time.
Winddows Pro=small and medium sized biz
Enterprise=duh. Only get through volume licensing
Pro, Enterprise, and Educaton all have?
-gpedit, bitlocker, and RDP
32 bit Windows (x86) is limited to 4GB of RAM while x64 can use…
-16GB of RAM
When doing in-place upgrades, do what?
Obtain third-party drives if OS setup media doesn’t contain drivers for certain hardware
-look for incompatible software/hardware and remove it
