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| Device drivers perform the actual communication between physical devices and the operating system |
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| Device drivers are always built in to the operating system and provided by the operating system vendor. |
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| Mouse and keyboard drivers are standard and are usually included with the OS |
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| IEEE 1394 interfaces are targeted towards comparatively slow peripherals such as keyboards and mice |
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| A print spooler is a log file that maintains a history of print jobs |
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| Another name for the IDE hard drive interface is ATA |
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| EIDE is a serial interface technology whereas SATA is a parallel interface technology |
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| CD-R is just shorthand way to write CD-ROM but they mean the same thing. |
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| With SAN technology servers use a seperate network to communicate with the storage device |
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| An advantage of using tape drives for backup is that the data is accessible in random access order, making all data on the tape equally fast to retrieve. |
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| Analog modems are used in preference to digital technologies even where digital technologies are widely available |
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| A digital modem does not modulate/demodulate signals |
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| Hardware flow control halts and resumes the movement of data by sending special characters |
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| MAC OS X uses the network connection tool for configuring modems and other networks connections |
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| The network and sharing center is used in windows vista and windows 7 OS to setup and dial up connection |
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Definition
| A client OS coordinates network activities , authenticates users to access the network and enables workstations to access shared network resources |
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Definition
| LANs often connect WAN over a long distance such as between cities, states and countries. |
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| A large file is broken into hundreds of small data units called packets and each data unit is transmitted across the network |
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Definition
| the tranmission control method used by Ethernet is called collision sense multiple access with carrier detection (CSMA/CD) |
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| TCP enables communication sessions among applications on two communicating computers |
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Definition
| Windows computers can make a shared drive look like a local drive by mapping |
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| In linux a network drive that is attached to the file system is called a mapped drive |
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| It is preferable to assign permissions to individual users rather than groups because the amount of work for the administrator is reduced. |
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Definition
| Global groups are used to hold user accounts while domain local groups are used to hold global groups and provide access to resources |
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| NFS is used by UNIX/Linux systems to mount a shared partition as a drive letter |
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Term
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Definition
| The organization of the file system on a server has no impact on network performance or security |
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Definition
| Deleting temporary files on a windows system is not necessary because windows does not create temporary files |
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Definition
| Disk defragmentation causes reduced disk performance becasue the disk read/write heads must move longer distances. |
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Definition
| A differential backup backs up files that have the archive set but does not reset the archive attribute |
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Term
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Definition
| Virtual Memory is a storage area in a computer RAM that is set aside for the page file |
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Term
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Definition
| On a windows system___allows you to install and update device drivers and determine the location of device driver files |
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Term
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Definition
| is a SCSI technology that also supports SATA drives |
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Term
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Definition
| can provide your storage system with fault tolerance |
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Definition
| Computers store data as a series of 1 and 0 represented by the presence or absence of____ |
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Definition
| A desktop computer with a modem is called ____ device because it prepares data to be transmitted |
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Term
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Definition
| uses digital communications over a communications line and has an aggregate data rate of 144 Kbps or 1.544Mbps |
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Definition
| checking is a data verification process that ensures data integrity through a system of data bit comparisons between the sending and receiving computer |
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Definition
| runs on windows server 2008 and is used to install client OS on a mass scale |
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Definition
| You use _____groups to hold user accounts from the same domain as members |
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Definition
| Windows systems keep installed applications in a directory named___by default |
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Definition
| File used in UNIX/linux for managing I/O devices |
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Definition
| A digital interface standard that is projected to replace the DVI and the HDMI for computers |
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Definition
| A digital signature that microsoft incorporates into driver and system files as a way to verify files |
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Definition
| A range of memory addresses that is used to temporarily store data that is transferred betweEn a computer device or component and the CPU |
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Definition
| The primary printer port designation on many desktop computers |
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Definition
| InUNIX/Linux a device special file for handling internal communications such as redirecting file output to a monitor |
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Definition
| The small dots that make up a computer screen display |
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Definition
| A section of computer memory and hard disk storage set aside to hold information sent by an application to a printer |
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Definition
| A UNix file archive utility |
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Term
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Definition
| A channel within the computer that is sued for communciations with the CPU |
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Definition
| A tape drive that has an erasable memeory chip and has a capacity up to 1.3 TB |
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Definition
| A physical hard drive used in windows that can contain primary partitions extended partitions or logical drives |
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Definition
| Storage that is used through the internet or a network via web based interface or software such as the browser |
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Definition
| A data errpr correction method that uses an algebraic polynomial and error key to detect and overcome errors. |
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Term
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Definition
| Crtical information about a hard drives hardware configuration, this information is often stored in an area of nonvoltaile memory in the computer |
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Definition
| Used by windows operating systems to provide the option to create volumes that span multiple disks and to provide more security and mangement features |
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Term
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Definition
| Implementing software or hardware to protect against hardware failures power interruptions and lost data |
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Definition
| A technology designed for ultra fast communications connectivity in data centers such as linking one server to another for clustering servers to act as one powerful server |
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Term
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Definition
| A computer peripheral device connection technology that uses optical cables instead of copper cables and has faster communications than USB |
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Term
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Definition
| An electronic resistor used at the end of a cable and that absorbs the electronic signal so that the signal is not reflected back onto the cable. |
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Term
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Definition
| A high speed technology that can use ordinary telephone lines for down stream transmissions speeds up to 8Mbps and upstream speeds up to 1Mbps. |
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Term
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Definition
| the hardware or software portion of amodem that is responsible for converting digital data into analog signals for transmission over a telephone line |
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Term
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Definition
| A hardware or software feature in kodems that lets a receiving modem communicate to the sending modem that it needs more time to process previously sent data |
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Term
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Definition
| An internal automatically running program usually in Unix/Linux that serves a particular function such as routing email to recipients |
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Term
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Definition
| A hardware device that permits a computer to exchange digital data with another computer via analog telephone line or dedicated connection |
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Term
| Asychronous Communication |
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Definition
| Communications that occurr in discrete units in which the start of a unit is signaled by a start bit at the front and stop bit at the end of the unit |
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Term
| Synchrounous Communication |
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Definition
| Communications of continous burst or blocks of data controlled by a clock signal that starts each bursts or block of data |
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Term
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Definition
| A software flow control protocol that permits a receiving modem to notify the sending modem that its data buffers are full |
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Term
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Definition
| An established guideline that specifies how networked data including data sent over a telephone network is formatted into transmission unit |
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Term
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Definition
| A digital modem device designed for use with cable TV system providig high speed data transfer |
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Term
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Definition
| A device that has a keyboard and monmitor but no cpu |
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Term
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Definition
| An IP address in the range of 169.254.0.1 to 169.254.255.254 that is automatically assigned |
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Term
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Definition
| A way to ignore IPv4 address class designation by using addressing that puts a slash after the dotted decimal notation |
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Term
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Definition
| Anetwork transport protocol that uses CSMA/CD communications |
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Term
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Definition
| A main connecting link or highway between networks sucha s between floors in abuilding or between buildings |
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Term
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Definition
| Atransmision method in hwich a server divides recipients of an application suchas multimedia application into groups |
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Term
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Definition
| Anetwork device that connects two or more segments into one or extends an existing segment |
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Term
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Definition
| That portion of a frame packet or cell that contains the actual data |
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Term
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Definition
| A process that enables the NIC to format data for a protocol and identify the most efficient methods for transporting it |
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Term
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Definition
| A data unit sent over a network that contains source and destination control and error detection information as well as the data |
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Term
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Definition
| An active directory container that holds one or more trees |
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Term
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Definition
| In active directory this is a grouping of resources into a functional unit for management |
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Definition
| A group of windows server 2003/server 2003 R2 and server 2008 usres that is used to assign acces privileges |
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Term
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Definition
| A list of windows server 2003/server 2003 r2/server 2008 users that is not used for security |
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Term
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Definition
| enables services and software on one computer to use services and software on a different computer |
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Definition
| A protocol mainly used for sharing folders files, and printers |
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Definition
| an entity used to group togeher resources examples are organizational unit domain, or forest in microsoft active directory |
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Definition
| A number that is assigned to a unix/linux user account |
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Term
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Definition
| A collection of computers and users where policies set for the group apply to all computers and users |
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Term
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Definition
| a user work area in which the user store data on a server and typically has control over whether to enable other users to access his or her data |
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Term
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Definition
| a back up technique that backs up all files with in an archive attribute and then removes the attribute after backup |
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Term
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Definition
| the process of removing empty pockets between files and other information on a hard disk drive |
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Definition
| a disk diagnostic technique that locates damage disk areas and marks them as bad |
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Definition
| A disk storage technique that divides portions of each file over all volumes |
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Term
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Definition
| Software fixes isssued by the vendor to repair software problems |
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Term
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Definition
| a technique that backs up the entire contents of one or more disks drives in an image format |
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Term
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Definition
| an allocated portion of disk storage reserved for use to supplement RAM when the available RAM is exceeded |
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Definition
| A disk storage arrangement that uses two disks thata re mirror images of one another |
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Definition
| text base file used by websites to obtain customized information about a user |
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Term
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Definition
| a type of backup that backsup all files with an archive attribute but does not remove that attribute after backup. |
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