Term
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Definition
The process of identifying who has access to the network. The most
common form of authentication is a logon with a username and password. |
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Term
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Definition
The process of granting or denying an authenticated user’s access to network
resources. |
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Term
| bare-metal virtualization |
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Definition
The hypervisor implements OS virtualization by running directly
on the host computer’s hardware and controls and monitors guest OSs. See also
virtualization. |
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Term
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Definition
A text file containing a list of commands you ordinarily type at the command
prompt. |
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Term
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Definition
A data storage method in which some or all of an organization’s data is
stored on servers located offsite and maintained by a storage hosting company. |
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Term
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Definition
| Occurs when the OS suspends one process and activates another process. |
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Term
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Definition
In this form of multitasking, the OS can’t stop a process; when a
process gets control of the CPU, it maintains control until it satisfies its computing needs
and informs the OS that another process can be activated. |
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Term
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Definition
| A group of sectors; the smallest amount of space that can be occupied by a file stored on the disk. |
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Term
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Definition
The method by which an OS stores, organizes, and manages access to files on a
storage device, such as a hard drive. |
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Term
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Definition
The physical computer on which virtual machine software is installed and
virtual machines run. |
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Term
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Definition
The hypervisor implements OS virtualization by being installed in a
general-purpose host OS, such as Windows 7 or Linux, and the host OS accesses host
hardware on behalf of the guest OS. See also virtualization. |
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Term
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Definition
The component of virtualization software that creates and monitors the virtual
hardware environment, which allows multiple VMs to share physical hardware resources. |
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Term
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Definition
A feature of some OSs that allow two or more threads to be run
concurrently by separate CPUs or CPU cores. See also thread. |
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Term
| network-attached storage (NAS) |
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Definition
A dedicated server device designed solely for providing
shared storage for network users. |
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Term
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Definition
A form of multitasking in which the OS controls which process
gets access to the CPU and for how long. |
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Term
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Definition
A program that’s loaded into memory and run by the CPU. It can be an application
a user interacts with or a program with no user interface that communicates with and
provides services to other processes. |
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Term
| redundant array of independent disks (RAID) |
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Definition
A storage configuration of two or more disks,
usually in a fault-tolerant arrangement so that if one disk fails, data is preserved and the
server can continue to operate. |
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Term
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Definition
A process that runs in the background and provides services to other processes; for
example, DNS client and server components are services. |
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Term
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Definition
The process by which a CPU’s computing cycles are divided between more than
one process. |
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Term
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Definition
A software environment that emulates a physical computer’s
hardware and BIOS. |
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Term
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Definition
A process that creates a software environment to emulate a computer’s hardware
and BIOS, allowing multiple OSs to run on the same physical computer at the same time. |
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Term
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Definition
| Kernel is the core of the OS, everything else is built around this. Times and controls everything |
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Term
Which of the following is an objective of a file system?
A. Organize space on a drive
B. Organize files hierarchically
C. Schedule access to applications
D. Secure access files |
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Definition
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Term
A cluster is composed of which of the following
A. One or more 512-bit blocks
B. Two or more 2K-byte sectors
C. One or more 512-byte sectors
D. One or more 2K-byte blocks |
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Definition
| A. One or more 512-bit blocks |
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Term
Large cluster sizes can result in which of the following on a disk drive?
A. Faster performance for large files, more wasted space for small files
B. Faster performance for small files, less wasted space for small files
C. More fragmentation, faster performance for large files
D. Less fragmentation, more wasted space for larger files |
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Definition
| A. Faster performance for large files, more wasted space for small files |
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Term
Which of these file systems includes file and folder permissions?
A. FAT32
B. Ext3
C. NTFS
D. Ext2 |
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Definition
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Term
| What feature of a file system makes it possible to find a file based on keywords in it? |
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Definition
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Term
Which of the following is best described as a program loaded into memory that has no user interface but communicates with other programs?
A. Process
B. Task
C. Service
D. Application |
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Definition
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Term
| The DNS function is built into most applications. True or False? |
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Definition
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Term
Which best describes context switching?
A. Dividing computing cycles equally among processes
B. The OS suspending the running process and activating another process
C. Cooperative multitasking
D. Changing from one OS to another in a virtual environment |
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Definition
| B. The OS suspending the running process and activating another process |
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Term
| The most common form of multitasking in current OSs is cooperative multitasking. True or False? |
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Definition
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Term
The OS component that schedules processes to run is the __________.
A. File system
B. User interface
C. Memory manager
D. Kernel |
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Definition
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Term
Which best describes a thread?
A. A process you can view in Task Manager
B. The smallest schedulable unit of software
C. A process in a preemptive multitasking OS
D. A multiprocessing computer |
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Definition
| B. The smallest schedulable unit of software |
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Term
Which port does your Web browser use to communicate securely with the Web server by using SSL?
A. 80
B. 25
C. 110
D. 443 |
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Definition
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Term
Which is the correct syntax for mapping drive letter W to a shared folder named Accounting on the Finance server?
A. net use W: \\Finance\Accounting
B. net share W: \\Accounting\Finance
C. net use W: \\Accounting\Finance
D. net share W: \\Finance\Accounting |
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Definition
| A. net use W: \\Finance\Accounting |
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Term
A text file containing a list of commands is called which of the following?
A. Logon process file
B. Service file
C. Task file
D. Batch file |
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Definition
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Term
The default protocol Windows uses to share folders is which of the following?
A. NFS
B. SMB
C. WPA
D. FTP |
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Definition
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Term
Which of the following refers to a Windows server with Active Directory installed?
A. Member server
B. NIS server
C. Domain controller
D. LDAP controller |
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Definition
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Term
Which of the following best describes an NAS?
A. A dedicated device designed to provide shared storage for network users
B. A high-speed network storage solution that can replace locally attached drives on servers
C. A storage solution in which some or all data is stored on offsite servers
D. A SATA or SCSI drive connected to a server |
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Definition
| A. A dedicated device designed to provide shared storage for network users |
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Term
| Network Attached Storage (NAS) |
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Definition
| A dedicated server device designed to solely for providing shared storage for network users. |
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Term
Software that creates and monitors the virtual hardware environment is called what?
A. Host computer
B. Hypervisor
C. Snapshot
D. Guest OS |
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Definition
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Term
| Bare-metal virtualization is best for desktop virtualization. True or False? |
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Definition
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Term
If you want one server to take over the processing of a server that has failed, what should you configure?
A. RAID
B. Failover cluster
C. Redundant array of servers
D. Load-balancing disk system |
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Definition
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Term
If you want your virtual machine to have direct access to the physical network, which virtual network option should you configure?
A. Bridged
B. NAT
C. Host-only
D. Internal |
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Definition
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