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Comptia A+ > Chapter 2: Configure and Use BIOS/UEFI Tools > Flashcards

Chapter 2: Configure and Use BIOS/UEFI Tools Flashcards

1
Q

What are some of the most popular keys on current systems to access the BIOS configuration program

A

Escape (ESC), Delete (DEL), F1, F2 or F10 but check the system or motherboard manual for the correct key(s)

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2
Q

The contents of ______ are maintained by the battery

A

CMOS

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3
Q

How do you access the BIOS on OSX?

A

OSX uses operating system menus to make changes to system devices rather than permitting direct access to the BIOS

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4
Q

Compared to a traditional Flash ROM BIOS, UEFI has what 3 advantages

A
  1. Support for hard drives of 2.2TB and higher capacity. (require GUID Partition Table GPT to access full capacity)
  2. Faster system startup (booting) and other optimizations
  3. Larger size ROM chips in UEFI to make room for additional features, better diagnostics, the ability to open a shell environgment for easy flash updates, and the ability to save multiple BIOS configurations for reuse
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5
Q

Many BIOS firmware versions enable you to automatically configure your system with a choice of these 2 options

A
  1. BIOS defaults (also referred to as Original/Fail Safe on some systems)
  2. Setup defaults (also referred to as Optimal on some systems)
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6
Q

Why should you use BIOS defaults to troubleshoot the system?

A

because these settings are conservative in memory timings and other options

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7
Q

If you need to quickly find a particular BIOS setting and do have the manual for the system or the motherboard, what should you do?

A

visit the system or motherboard vendor’s website and download the manual

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8
Q

The ______________ menus frequently report system features (such as the motherboard model and onboard RAM) and sometimes also configure the system’s date and time

A

Main/Standard Features/Settings

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9
Q

What are 5 examples of system information that most systems display in the BIOS?

A

processor type, clock speed, cache memory size, installed memory (RAM), and BIOS information

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10
Q

What could you do with the system information found in the BIOS?

A

use the information to determine whether a system needs a processor, memory, or BIOS update

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11
Q

settings that control how the system boots and the sequence in which drives are checked for bootable operating system files

A

boot settings and boot sequence

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12
Q

enabling ________ skips memory and drive tests to enable faster startup

A

Fast Boot

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13
Q

________ blocks installation of other operating systems and also requires the user to access UEFI setup by restarting the computer in a special Troubleshooting mode from within Windows 8 or later

A

Secure Boot

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14
Q

When is Secure Boot enabled?

A

by default on systems shipped with Windows 8, 8.1 or 10

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15
Q

When should Secure Boot be disabled?

A

Windows 7 users, Linux users, or those who want more flexibility in accessing UEFI BIOS (techs making changes in UEFI fireware) should disable Secure Boot

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16
Q

For faster booting set the hard drive with __________ as the first boot device

A

system files

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17
Q

When you want to have the option to boot from an optical (CD/DVD/Blu-ray) disk or from a USB flash or hard drive for diagnostics or operating system installations, what settings should you configure?

A

put the optical, flash drive, or hard drive before SATA hard drives in the boot order

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18
Q

What are SATA configuration options used for?

A
  1. to enable or disable SATA and eSATA ports

2. to configure SATA host adapters to run in compatible (emulating PATA), native (AHCI) or RAI modes

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19
Q

AHCI supports _________ for faster performance and permits hot swapping of eSATA drives

A

Native Command Queuing (NCQ)

20
Q

What happens if you don’t enable USB 2.0 or USB 3.0 in your system BIOS?

A

all of your system’s USB ports will run at the next lower speed

21
Q

If a separate sound card has been installed what would be disabled?

A

onboard audio

22
Q

Enable ________ when you want to boot from an operating system that is stored on a network drive

A

the onboard LAN option ROM

23
Q

Why shouldn’t you enable legacy ports (floppy, serial (COM), and parallel (LPT)

A

because they use a separate BIOS settings menu for configuration

24
Q

________ is the power management function used in modern systems replacing the older APM standard; it should be _______

A

ACPI, enabled

25
Q

What are the 2 ACPI standby states?

A
  1. S1/POS (power on standby)

2. S3/STR (suspend to RAM)

26
Q

What should you use S3/STR whenever possible?

A

because it uses much less power when the system is idle

27
Q

What are 3 settings that can be changed via the power management configuration menu?

A
  1. configure the system power button
  2. specify how to restart your system when AC power is lost
  3. specify how to wake up a system from standby, sleep or hibernation modes
28
Q

What does the Hardware Monitor BIOS dialog (referred to as PC Health) display?

A

temperature monitoring
fan speeds
intrusion detection/notification
voltage

29
Q

To monitor system ___________ settings, check the processor and memory configuration dialog typically available on gaming oriented systems or others designed for overclocking

A

clock and bus speed settings

30
Q

_______ is the capability to run multiple operating systems on a single computer at a time

A

virtualization

31
Q

What does a system need to support hardware assisted virtualization?

A

it must include a CPU that supports virtualization and virtualization must be enabled in the system BIOS

32
Q

Intel processors that include ______ technology support hardware assisted virtualization. AMD processors that include ______ technology support hardware assisted virtualization.

A

VT-x technology (Intel Virtualization Technology)

AMD-v technology

33
Q

AMD based systems that support hardware assisted virtualization feature a single BIOS setting that might be labeled ______, ________ or __________

A

Virtualization, Secure Virtual Machine Mode, or SVM

34
Q

a security feature setting that permits access to BIOS setup dialogs only for those with the password

A

BIOS password

35
Q

a security feature setting that prevents anyone without the password from starting the system (can be defeated by opening the system and clearing the CMOS memory)

A

power on password

36
Q

a security feature setting that displays a warning on startup that the system has been opened (also called chassis intrusion)

A

intrusion detection/notification

37
Q

a security feature setting found primarily on older systems; protects the default system drive’s boot sector from being changed by viruses or other unwanted programs; may need to be disabled before on OS system install or upgrade

A

boot sector protection

38
Q

a security features that permits only software trusted by the PC manufacturer to be used to boot the system

A

secure boot

39
Q

a security feature used by Windows editions that support BitLocker full disk encryption feature to protect the contents of the system hard drive (vista) or any specified drive (Windows 7/8/8.1/10)

A

TPM (trusted program module)

40
Q

a popular security feature embedded in the laptop BIOSes of a number of systems and can be added to other systems

A

Lo-Jack for Laptops

41
Q

What are 2 components of Lo-Jack for Laptops?

A
  1. a BIOS resident component

2. the Computrace Agent (activated by Lo-Jack when a computer is reported stolen

42
Q

regarded as what binds the hardware and the operating system

A

BIOS chip

43
Q

You need to update the BIOS whenever your current BIOS version is unable to properly support what 5 things?

A
  1. New hardware (large SATA hard drives and removable storage drives)
  2. New CPU models
  3. Memory modules with different capacities or timings
  4. New operating systems and features (such as virtualization or power management)
  5. New BIOS options
44
Q

__________ can also be used to solve problems with power management or other hardware related issues

A

BIOS updates

45
Q

The _________ in use on practically every recent system contain a special type of memory that can be changed through a software download from the system or motherboard maker.

A

Flash BIOS chips

46
Q

What are the first 2 initial steps before flashing BIOS update?

A
  1. back up data

2. record the current BIOS configuration (especially hard drive settings)

Comptia A+ (22 decks)

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