WGU D386 Hardware and Operating Systems
Essentials |OA| Objective Assessment| Actual
Questions and Answers Latest Updated
(Graded A+)
Correct
Incorrect
D386 Hardware and Operating Systems Essentials
, Buffering i/o Programmed I/O
Program controlled I/o Interrupt driven I/O
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2 of 220
Term
Which network security measure deals with encrypting the data as it
traverses the network?
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Availability Authenticity
Authentication Confidentiality
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, 3 of 220
Definition
provides communication for devices owned by a single user that work
over a short distance
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Personal Area Network (PAN) Virtual radio access network (vRAN)
Paired-device network (pdn) Wireless local area network (wlan)
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4 of 220
Definition
Core registers- usually a few hundred or less storage locations
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Level-0 Cache Level-5 Cache
Level 4 Cache Level 2 Cache
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5 of 220
Definition
When a device controller transfers an entire block of data from its own
buffer storage to memory without CPU intervention
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Direct Memory Access (DMA) Rom (read Only memory)
Process Control Block (pcb) Synchronous DRAM (SDRAM)
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6 of 220
Definition
Also called a nested RAID. Minimum of 4 drives. Described as two
striped sets of mirrored drives.
Give this one a try later!
Essentials |OA| Objective Assessment| Actual
Questions and Answers Latest Updated
(Graded A+)
Correct
Incorrect
D386 Hardware and Operating Systems Essentials
, Buffering i/o Programmed I/O
Program controlled I/o Interrupt driven I/O
Don't know?
2 of 220
Term
Which network security measure deals with encrypting the data as it
traverses the network?
Give this one a try later!
Availability Authenticity
Authentication Confidentiality
Don't know?
, 3 of 220
Definition
provides communication for devices owned by a single user that work
over a short distance
Give this one a try later!
Personal Area Network (PAN) Virtual radio access network (vRAN)
Paired-device network (pdn) Wireless local area network (wlan)
Don't know?
4 of 220
Definition
Core registers- usually a few hundred or less storage locations
Give this one a try later!
Level-0 Cache Level-5 Cache
Level 4 Cache Level 2 Cache
, Don't know?
5 of 220
Definition
When a device controller transfers an entire block of data from its own
buffer storage to memory without CPU intervention
Give this one a try later!
Direct Memory Access (DMA) Rom (read Only memory)
Process Control Block (pcb) Synchronous DRAM (SDRAM)
Don't know?
6 of 220
Definition
Also called a nested RAID. Minimum of 4 drives. Described as two
striped sets of mirrored drives.
Give this one a try later!
