D386 Hardware and Operating Systems
Essentials Practice Questions with Verified
Correct Answers
What is an example of a server operating system?
Red Hat Enterprise Linux
What is an example of a Microsoft-based mobile operating system?
Surface Duo
What is a fundamental building block of an operating system that keeps track of each
process in memory, including whether to run it or wait for some event?
Process control management
Which operating system uses the Bourne-Again shell (bash) scripting tool?
Linux
What is an example of a system call used by the POSIX API for POSIX-based systems
running UNIX, Linux, and macOS?
Read ()
Which part of a hard disk drive is responsible for storing actual data?
Platters
What is a disadvantage of solid-state drives (SSD) when compared to hard disk drives
(HDD)?
Longevity
,How do computers avoid burdening the main central processing unit (CPU) with
programmed I/O (PIO)?
By offloading to a direct-memory-access (DMA) controller
Which problem is managed by implementing a file system?
Logical structure for organizing and storing files on a storage device
What is the primary function of the file system interface?
To provide a way for the system to access and use files
There are a number of different types of components of a motherboard. Which
motherboard component is used for support of slower onboard peripherals?
Southbridge
Which chipset is a set of circuitry that provides support to the slower onboard
peripherals?
Southbridge
Which cache memory is the smallest but fastest?
L1
Which memory type is stored on a drive and is referred to as a paging file?
Virtual RAM
Which memory type is characterized by its independence from the CPU's external
clock?
Asynchronous DRAM
, Which memory type shares a common clock signal with the computer's system-bus
clock?
Synchronous DRAM
Which cloud feature allows different types of clients and devices to access the
resources?
Broad network access
Which virtual machine tool involves testing out an application where files are not saved
to the drive or memory and never affect the physical machine?
Virtual sandbox
What is another term for a type 1 hypervisor?
Bare metal hypervisor
A user is working on a critical mission project and needs to access a system and
network during peak and off-peak hours. Which non-functional requirement (NFR)
addresses the likelihood the system will be accessible to the user at a specified time
within an organization's network?
Availability
Which automatic configuration process occurs when a Windows-based dynamic host
configuration protocol (DHCP) client is unable to reach a DHCP server?
Automatic private IP addressing (APIPA)
Which Windows tool is referred to as a centralized authentication server?
Domain Controller
Essentials Practice Questions with Verified
Correct Answers
What is an example of a server operating system?
Red Hat Enterprise Linux
What is an example of a Microsoft-based mobile operating system?
Surface Duo
What is a fundamental building block of an operating system that keeps track of each
process in memory, including whether to run it or wait for some event?
Process control management
Which operating system uses the Bourne-Again shell (bash) scripting tool?
Linux
What is an example of a system call used by the POSIX API for POSIX-based systems
running UNIX, Linux, and macOS?
Read ()
Which part of a hard disk drive is responsible for storing actual data?
Platters
What is a disadvantage of solid-state drives (SSD) when compared to hard disk drives
(HDD)?
Longevity
,How do computers avoid burdening the main central processing unit (CPU) with
programmed I/O (PIO)?
By offloading to a direct-memory-access (DMA) controller
Which problem is managed by implementing a file system?
Logical structure for organizing and storing files on a storage device
What is the primary function of the file system interface?
To provide a way for the system to access and use files
There are a number of different types of components of a motherboard. Which
motherboard component is used for support of slower onboard peripherals?
Southbridge
Which chipset is a set of circuitry that provides support to the slower onboard
peripherals?
Southbridge
Which cache memory is the smallest but fastest?
L1
Which memory type is stored on a drive and is referred to as a paging file?
Virtual RAM
Which memory type is characterized by its independence from the CPU's external
clock?
Asynchronous DRAM
, Which memory type shares a common clock signal with the computer's system-bus
clock?
Synchronous DRAM
Which cloud feature allows different types of clients and devices to access the
resources?
Broad network access
Which virtual machine tool involves testing out an application where files are not saved
to the drive or memory and never affect the physical machine?
Virtual sandbox
What is another term for a type 1 hypervisor?
Bare metal hypervisor
A user is working on a critical mission project and needs to access a system and
network during peak and off-peak hours. Which non-functional requirement (NFR)
addresses the likelihood the system will be accessible to the user at a specified time
within an organization's network?
Availability
Which automatic configuration process occurs when a Windows-based dynamic host
configuration protocol (DHCP) client is unable to reach a DHCP server?
Automatic private IP addressing (APIPA)
Which Windows tool is referred to as a centralized authentication server?
Domain Controller