Shared Flashcard Set

Details

IT Essentials
IT esssentials
87
Computer Science
Undergraduate 2
02/11/2011

Additional Computer Science Flashcards

 


 

Cards

Term
Regular preventive maintenance includes
Definition
  • Defragmenting
  • Checking for drive errors
  • Reducing startup processes
  • Whatever necessary to free up space
Term

How often should you verify updates

and Windows service packs are installed

Definition
At least once a month
Term
What happens when you view available updates
Definition
By default the important updates are selected
Term

How much free space should

you have on your hard drive

Definition
At least 3 GB
Term

How much space is needed for

the Windows.old folder

Definition
10 GB
Term

In Windows XP the More Options tab offers an

option that deletes what?

Definition

A third option that will delete installed Windows

components you do not need

Term

As part of a good maintenance plan 

you should defrag a hard drive

Definition
Every week
Term
What does the Windows Chkdsk utility do?
Definition

Searches for bad sectors on a volume

and recovers the data from them if possible

Term
Vista requires what, to use Chkdsk
Definition
An elevated command prompt window
Term
The startup folder Vista uses for individual users
Definition
C:\Users\username\AppData\Roaming\Microsoft\Start Menu\Programs\Startup
Term
The startup folder Windows Vista uses for all users
Definition
C:\ProgramsData\MicrosoftWindows\Start Menu\Program\Startup
Term
Normally the file Pagefile.sys is where?
Definition
In a hidden file stored in the root directory of drive C
Term
What should you do with important data?
Definition

Never trust it to only one media,

keep a copy of the data on another media

Term
Ntbackup
Definition
Windows XP/2000 program to backup files
Term
How often should you back up data entry
Definition

 

Every four to ten hours

Term

What information should you record 

in your regular backup files?

Definition
  • Folders or drives backed up
  • Date of the backup
  • Type of backup
  • Label identifying the tape, disk, or other media
Term
An incremental backup does what?
Definition

Only backups files that have

changed since the last full backup

Term
Full backup
Definition

All files selected for backup

are copied to the backup media,

and each file is marked as backed up

Term
Copy backup
Definition

All files selected for backup

are copied to the backup media,

but files are not marked as backed up

 

Term
Differential backup
Definition

All files created or changed since the last full 

or incremental backup are backed up, 

files are not marked as backed up

Term
Daily backup
Definition

 All files created or changed on this day are backed up,

 files are not marked as backed up

Term
System State Data
Definition
  • Critical files used to successful load operating system  
  • Window XP and 2000 allow you to use the Backup utility to back up the system state data 
Term
System Restore
Definition
  • Restores system to its condition at time of snapshot
  • Those snapshots are called Restore Points
  • Restore Points are taken at least every 24 hours
Term
Restore Points are kept in this folder
Definition
C:\System Volume Information
Term
To completely clean an infected system you need to
Definition
  • delete all restore points by turning System Protection off and back on
  • When System Protection is turned off all Restore Points are lost
Term

What files are backed up when you

back up System State Data?

Definition
  • Windows XP/2000 backs up all of them
  • A typical system state backup has 2,500 files and 500MB of data
Term
What is the biggest limitation to using the Backup utility to restore the system state?
Definition
You must be able to boot the Windows desktop
Term
What two items does the ARS backup process create?
Definition
  • A full backup of the drive on which Windows is installed
  • A floppy disk with information that will help Windows use ARS
Term
What does ASR stands for?
Definition
Automated System Recovery
Term
When a user first logs onto Windows Vista, a user profile is created that contains these two items
Definition
  • A user folder with subfolders in the                    %SystemDrive%Users folder
  • A file named Ntuser.dat in the user's folder that contains user settings and its contents are copied to the registry each time they log on

 

Term
 Does Windows make a distintion between upper case and lower case in command lines?
Definition
No
Term
What do the wildcards  "?" and "*" stand for
Definition

? is a wildcard for a single character

and

 * is for multiple characters

 

Term
brackets [] in a command line indicate what?
Definition

[] indicates the parameter is optional

 

 

<> indicates you can substitute any

filename in the command

Term

Robocopy

(Robust File Copy)

 

is new to with Windows vista and is similar to

Definition

Xcopy

 

but it offers more options

Term

Before you use the RD (remove directory) command 

what three things must be true?

Definition
  • No files contained in the Directory
  • No subdirectories contained in the Directory
  • Must not be the current directory
Term
 What must you do to run Chkdsk in Windows vista
Definition
 Run an elevated command prompt
Term
What is a Batch file?
Definition

 A file with a .bat file extension

 

 

it is used to execute a batch of commands

from a command prompt

Term

How do you execute commands stored in a Mybatch.file?

Definition
Enter Mybatch.bat at a command prompt
Term
What is Disk Managements primary use?
Definition
As a tool to manage hard drives
Term
What is a Cluster?
Definition

A group of sectors used to hold a file

 

 

The number of sectors in a cluster is determined by the file system used, and the size of the drive

Term
What is Slack?
Definition

The unused part of the last cluster,

that is wasted space

Term
What file systems are supported by Windows?
Definition

NTFS, FAT32, and exFAT

 

Term

Can the size of the partition or volume be

 changed in windows XP?

Definition
Yes if you use a third-party software
Term
When is a mounted drive useful?
Definition
  • When you need to expand the space on the drive
  • When you want to put all user data on another volume or hard drive

 

 

Term
Reasons to use Dynamic Disk
Definition
  • Better reliability
  • Can be implemented on multiple drives to extend a volume across drives spanning
  • Use piece data across multiple hard drives stripping
  • For Windows XP, you can mirror 2 hard drives
Term
How often should you defragment your hard drive?
Definition
Once a week, as part of a good maintenance plan
Term
By default when does Vista defragment the hard drive?
Definition
Wednesday at 1:00 am
Term

To fully defrag the hard drive what

percentage must be free?

Definition
15%
Term
What is a Partition
Definition

A division of the hard drive

  • Windows can track up to 4 partitions
  • The tracking information is in a partition table in the first 512-byte sector of the drive
  • Partitions are created during the Windows installation through Disk Management
Term
How many Primary Partitions can a drive have?
Definition

One, Two or Three Primary Partitions (Volumes)

 

 

 

One designated as the active partition (Startup BIOS)

 

It can have one extended partition that

can hold one or more logical drives

 

Term
What is a File System used for?
Definition

To manage files and folders on the

volume or logical drive

Term
What is a Cluster?
Definition

A group of sectors used to hold a file 

  • The number of sectors is determined by the file system used and the size of the drive
  • When a file is stored in one or more cluster the last cluster may have sectors that go unused this is wasted space or Slack
Term
What is the best file system to use in Windows?
Definition

 

NTFS

Term
Can a partition be resized?
Definition

 Vista allows you to resize partitions using Disk Management, but XP does not

 

 

To resize partitions in XP you can use a third party software such as PartitionMagic to create, resize, move split or combine partitions without erasing data

Term
How do you create a new volume on a drive?
Definition
  • Click in unallocated space
  • Select New Simple Volume from shortcut menu
  • Follow directions on screen

Term
What is a Mounted Drive? 
Definition
  • A volume that can be accessed by way of a folder on another volume
  • This gives the folder more available space
  • This folder is called the Mount Point (C:Data folder)
  • Make sure that the volume that it is to host the mounted drive uses a NTFS file system
Term
Why would you want a mounted drive?
Definition
  • To expand the space on a drive
  • Put all user data on another volume or hard drive
Term
What is a Dynamic disk?
Definition
  • A way to partition one or more hard drives, info about the drive is stored at the end of the drive
  • A second type of organization that can be used by Windows Vista Business, Enterprise, Ultimate editions, and XP Professional
  • Dynamic Disks use dynamic volumes that can span more than one hard drive
  • It is  more reliable than the MBR method
Term
Four uses for Dynamic Disk
Definition
  • Better reliability
  • Can be implemented on multiple hard drives to extend a volume across these drives (spanning)
  • Pieces data across multiple drives (stripping/RAID 1)
  • For XP you can use dynamic disk to mirror two hard drives for fault tolerance (mirroring or RAID 1)
Term
How much storage is needed for dynamic disk
Definition

 

I MB

Term

How do you convert two or more

basic disks to dynamic disks?

Definition
Use Disk management
Term
Healthy Volume Status
Definition

 Volume is formatted with a file system

 and working without errors

Term
Failed Volume Status
Definition

 Indicates a problem with the hard drive or the file system is corrupted

 

Data on a failed system is likely to be lost

Term
Online Disk Status
Definition

The disk has been sensed by Windows and can be

 accessed by either reading or writing to the disk

Term
Disk marked Active
Definition

One volume of the system will be active

 

This is the volume that the startup BIOS looks to in order to load an Operating System

Term
Disk marked unallocated
Definition
The disk has not been partitioned
Term
Disk marked Formatting
Definition
The disk is being formatted
Term
Disk marked Basic
Definition

When a hard drive is first sensed by Windows, it is assigned the Basic disk status

 

 

It can be partitioned and formatted as a stand-alone hard drive

Term
Disk marked Dynamic
Definition
  • Can be used with other dynamic disks in a spanned or striped volume
  • When this dynamic volume is set up, the disks work together
Term
Dynamic disk marked Offline
Definition
  • Disk has been corrupted or is unavailable
  • Cause may be corrupted file system, drive cables loose, hard drive failed. or another hardware problem
  • If you believe the problem has been corrected select Reactiviate Disk to bring it back online
Term

Dynamic disk marked Healthy (At Risk)

 

Definition
  • The dynamic disk can be accessed, but I/O errors have occurred.
  • Try returning disk to online status
  • If volume does not return healthy, back up all data and replace the drive
Term

How do you configure a computer

for a different language?

Definition

Download and install a language pack

 

Change the Windows display language

 

Change how numbering is formatted

 

Change language used for keyboard input

Term
What is a Restore Point
Definition

 A snapsot of Windows XP/Vista, usually made before installation of new hardware or applications 

 

Term
Why would some users not set updating to automatic?
Definition
  • If they have a slow Internet connection that is only connected when they are working on the PC

 

  • Some experienced users do not trust all Vista updates, and want to read them before installing, in case it does not apply to them
Term
Command to list files and directories
Definition

DIR [<file name] [/p] [/s] [/w]

 

dir /p   lists one screen at a time

dir /w  presents info using wide format, details are ommitted and files and folders are listed in columns on the screen

dir *.txt  lists all files with a .txt file extension in the defult path

dirmyfile.txt  checks that a single file, such as my.txt, is present

dir /s   includes subdirectory enteries

Term
user profile namespace
Definition

a group of folders and subfolders 

associated to a specific user

Term
Where is a user account stored on Windows XP?
Definition
C:\Documents and Settings folder
Term

How do you get to an elevated

command prompt in vista?

Definition

Start

All Programs

Select Run as Administrator from shortcut menu

 

in command prompt window type cls and press Enter

 

to close type exit and press Enter

 

Term

What do these switches do with when

added to the Copy command 

 

/A

/V

/Y

Definition

/A   only files that have archive attribute on are copied

 

/V    size of the new file is compared to the size of the original file, slows copy time, but verifies no errors     

 

/Y    a confirmation message does not appear asking you to confirm before overwriting a file

Term
What does the MD (make directory) command do?
Definition
creates a subdirectory under a directory
Term
What does the RD (remove directory) command do?
Definition

Removes a subdirectory

 

The subdirectory must contain no files, subdirectories, and not be the current directory

Term
A file is stored on a hard drive as a group of clusters called what?
Definition

allocation units

 

 

The FAT or MTF is responsible for keeping a record of each cluster that belongs to a file.

Term
What are Lost Clusters (lost allocation units)?
Definition

clusters that are marked as used in the FAT or MTF,

the cluser does not belong to any file

Term
Can system restore remove viruses?
Definition
NO
Term
Does XP offer the Software Explorer tool?
Definition
NO
Term
Program to view and stop startup progams in Vista
Definition
Software Explorer
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