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35 Cards in this Set
- Front
- Back
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What does a Voltage Regulator Module (VRM) do?
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Provides the appropriate supply voltage to the processor.
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What are the three elements of proper air conditioning?
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Temperature
Humidity Purity |
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Describe the functions of a CPU.
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Processes instructions, manipulates data, and controls the interactions of the other circuits in your computer
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What are the components of a CPU?
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Control Unit
One or more execution units Registers |
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What is Addressable RAM?
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The total amount of memory that's accessible to the processor.
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What is NX?
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No eXecute. It enables the CPU to mark a section of memory as non-executable: any code stored within that area of memory will not be run. In theory, it prevents malicious program code from running on your computer.
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Name at least three components of a motherboard.
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CPU, slots (expansion, graphics, memory), connectors (hard drive, floppy drive, power), ports (PS/2 mouse, keyboard, USB, Fire Wire, serial, parallel), battery, network interface, video connector, VRM.
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What's the difference between a daughter board and riser card?
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Daughter cards are often used with video cards to add more video-processing capabilities.
Riser cards provide additional expansion slots or sockets. |
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What is the function of an ALU?
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The Arithmetic Logic Unit calculates and compares whole numbers.
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What is the function of an FPU
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The Floating Point Unit works with real numbers (numbers with fractional components, and very large, very small, or very precise numbers).
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What are the components of an execution unit?
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Arithmetic Logic Unit
Floating Point Unit |
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What is the minimum number of tapes needed for the Grandfather-Father-Son backup strategy to work?
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twelve
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Which back up strategy is least expensive to implement?
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Tower of Hanoi. It can use as few as 5 tapes.
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Describe an active cluster.
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A clustering method in which all nodes perform normal, active functions and then perform additional functions for a failed member of the cluster.
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Describe a passive cluster.
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A server with identical services as its failover partner would remain in an idle node state until the primary node fails.
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When is hot site recovery appropriate for an organization?
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When the organization needs to be up and running again within hours, rather than weeks.
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What is a cold site?
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It is an available space that is ready to receive backup equipment in case of a disaster.
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What are recommended steps to protect your password?
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Memorize, rather than write them down
Use different passwords for each login 8 characters or longer Use upper and lower case, numbers, and special characters Change passwords periodically Avoid using same password within a year |
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What is the purpose of group membership?
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To simplify the process of setting permissions on groups of users with similar needs.
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What is an ACL?
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An Access Control List is a list of Access Control Entries, each of which specifies a "who" and a permission.
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What is a shadow volume?
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It is a read-only copy of files (including open files) on a selected volume at a particular point in time. It allows users to restore previous versions of files without the administrator involvement that a backup restore would require.
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What are the advantages of setting disk quotas?
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Prevents users from consuming all available disk space
Encourages users to delete old files as they reach their disk quotas Allows an administrator to track disk usage for future planning Allows administrators to track when users are reaching their limits |
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What can you configure in BIOS?
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Date and time
CPU options Drive options (optical, floppy, HD) Serial and Parallel port options Integrated devices (video and network adapters) Plug and Play (able/disable) Virus detection Boot password |
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What is checked during a POST?
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BIOS tests the core hardware (including itself), the processor, CMOS, the I/O system, etc. Errors are reported as a series of beeps.
BIOS tests the video subsystem BIOS identifies itself BIOS tests main system memory |
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To be useful, ________________ must be accessible even if systems have crashed or power is unavailable.
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Documentation
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Why should you properly dispose of equipment?
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There could be hazardous materials inside
Precious metals |
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Name the 2 types of eye scanners.
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Retina
Iris |
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What could be included in your system documentation?
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Lists of servers and their purpose
Lists of key client workstations Diagrams and maps Auto generated documentation Contact info Vendor-specific documentation Local laws and regulations Purchase records Vendor repar logs |
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What IPv4 components must be configured for connectivity?
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IP Address
Subnet Mask |
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MAC address is _____________ embedded in a NIC?
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permanently
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What do DNS servers do?
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They match host names to IP addresses
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True or False. The NetBIOS name cannot contain spaces.
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True
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What does "ipconfig /all" display?
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Displays the current IP information such as
-host IP -DNS server address |
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What does SMTP manage?
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Outgoing mail
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What does POP3 manage?
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Incoming mail
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