tn255/it essentials 8.0 10-14 final

Why should you change a wireless IP address to a private IP address during its installation

People can use default settings to access the router

Why might GPS not function on a laptop

-Airplane mode is active
-The service is inactive

What factor limits the amount of data that the CPU can process

The size of the CPU cache memory

What optical drive has the most storage and can read and write CDs, DVDs, and Blu-Ray

BD-RE

When do you use the "sfc" command

To scan and verify all protected files, and to update files to the current version

When do you use the "DISM" command

To prepare/fix Windows images

When do you use the "tasklist" command

To get a list of current processes that are running

When do you use the "taskkill" command

To end processes on a PC

When do you use the "msconfig" command

To select programs that automatically run at startup

When do you use the "dir" command

To list all the files in the current directory

When do you use the "gpupdate" command

To synch the PC to the new group policy settings

When do you use the "gpresult" command

To verify settings that you think are incorrect

When do you use the "cd" command

To change the folder you are currently working in

What two components are controlled by the Northbridge

-RAM
-Video Card

What step follows the display of the Windows Welcome screen in the boot process

There are no more steps

What OS function locates and loads software programs

Application Management

What OS function loads device drivers and updates the registry

Hardware Access

What OS function displays and manages menus and icons

User Interface

What OS function organizes storage media into a logical structure

File and Folder Management

What Windows option allows you to restore a printer to a prior installation state

System Restore

What are two problems that can prevent an OS upgrade

-Compatibility of applications and custom software
-Minimum hardware requirements

What three wireless router settings should be disabled for security reasons

-UPnP support
-WPS auto-configuration
-SSID broadcast

What Android or Apple element is used to create iOS third-party apps

Proprietary SDK Xcode

What Android or Apple element is used to prevent the spread of malware through the Apple App Store

Walled Garden Model

What Android or Apple element is the term for directly installing an apk file into Android

Sideloading apps

What Android or Apple element are apps displaying dynamic information in Android

Widgets

What Android or Apple element is the area that isolates Android apps from interacting with eachother

Application sandbox

What Android or Apple element is used on iOS to remove Apple user access restrictions

Rooting/Jailbreaking

What are 2 effects of DNS spoofing

-The output of the "nslookup" command gives an unknown name and IP address
-Entering Cisco displays a gaming site instead of the regular homepage

What is a cause of a blank monitor after installing a PCIe video card

The card requires auxiliary power

What is a cause of the computer running slowly after installing a dual-core CPU

The BIOS firmware needs updated

What is a cause of network shared drives being no longer accesible

The built-in NIC failed

What is a cause of the computer not starting and the absence of a beep code

The POST process is not executing

What is a cause of the computer time needing reset after each reboot

The CMOS batter is loose/empty

What are two advantages of IaaS and ITaaS

-Less investment in equipment/training
-Protection from upgrades and licenses

What are two ways to disable cellular data

-Turn on Airplane mode
-Turn off mobile data in Settings

How do you ensure the computer boots from a USB hard drive

Move the USB Hard Disk drive option to the top of the boot order

What is the importance of a computer beeping when it starts

Different numbers of beeps indicate different hardware issues

What type of cloud service provides email, data storage, apps, active directory, single sign-on, and can only access locally

Private Cloud

What causes the computer to continue to keep trying to install Windows after rebooting

The disc was not removed from the optical drive

What type of network device makes it easier for users to connect to the company network from all devices

Access Point

What is an example of an active cooling solution in a PC

Case/CPU fans

What might happen if a computer doesn't have enough RAM

Data might be swapped between the RAM and the hard drive too often

What do other computers have to do in order to use a shared printer

Use the "Add a printer" option and select the shared printer in the "Select a printer" screen

What power supply is most common and provides separate CPU power

ATX12V

What causes a printer to not print anything after inputting a file name

The printer is a virtual printer

What feature in Intel CPUs allows a single CPU to perform as if two CPUs are installed

Hyper-Threading

What cloud computing function allows multiple user to share storage, processing, and bandwidth

Resource pooling

What three external ports can connect an external storage device to a computer

-Thunderbold
-USB
-eSATA

What three components require a separate power cable

-Graphics card
-SATA hard drives
-Case/CPU fans

In what two scenarios are thin clients the best option

-When you need minimal storage and processing
-When there is gigabit LAN and powerful servers

What two hypervisor products are best in a virtualization environment

-VMware vSphere
-Oracle VM Server

What causes a computer to access a local printer but cannot access the cloud

The DHCP server has the wrong default gateway address

Why can a phone not connect to a peripheral even when the peripheral is in discoverable mode

Bluetooth is not on

Which DDR SDRAM has the fastest clock rate and consumes the least power

DDR4 SDRAM

What is one thing you can do in the BIOS screen

Set passwords to allow access to the BIOS

What tool is best to find if there is a short in a wire

Cable tester

What service application has port number 110

POP3

What describes a partition that stores the backup of a partition table

GPT

How are hard drives using an MBR partitioned so that they can support extra logical drives

Turn a primary partition into an extended partition to hold the logical drives

What two Windows scripting technologies allow you to open Notepad and create a text file

-PowerShell ISE script interpreter
-Command line batch script interpreter

What IT policy provides detailed plans of what must be done to restore IT services quickly

Disaster recovery policy

What IT policy describes all government and industry statutes that apply to the company

Regulatory compliance policy

What IT policy includes password complexity requirements and incident response methods

Security policy

What IT policy outlines how technology and applications can be used within the organization

Acceptable use policy

What two statements describe variables in sample.sh script

-The $uname variable is an input variable
-the $HOSTNAME variable is an environmental variable started by the system

When do you use the "tracert" command

To list the near-side router interfaces

What step in the Windows boot process follows the Windows kernel taking over the boot process

NTOSKRNL.EXE starts the login file called WINLOGON.EXE

What do you do to make data on USB flash drives unrecoverable

Use quick formatting utility to overwrite the data

What are the contents of the ite_user home directory

Two data files and three directories

What is true about a mobile device screen

Text messages, news, and other content are displayed in separate tiles

What are two situations that are breaches of PHY and lead to HIPAA penalties

-Sending screenshots of patient health records that contain error codes
-Making a backup of patient data in order to recreate the issues

When do you use the "del" command

To erase files

What do you do when an app on a laptop is not responding

Perform a reset

What Windows function do you use to recover alternate versions of a file

File History

How do you change the file system to NTFS without losing data

Open the Admin window and use the "convert" command

What iPhone software is necessary to create backups

iTunes

What is the use of the Manage Storage Spaces feature in Windows

Create storage and configure disk arrays

What information is not restored when using Windows Restore

User data files

What step in the boot process follows POST

BIOS reads the config settings in the CMOS memory

What are two features of multicore processors

-Multicore processors are faster than single-core processors
-L2 and L3 cache is shared

What are two characteristics of network addresses

-MAC addresses are also known as physical addresses because they are permanent
-You need an IPv4 or an IPv6 address in order to communicate with other devices

What are two causes of the laptop screen flickering even though the monitor appears normal

-The inverter is failing
-The backlight is failing

What two features should you consider when selecting a power supply

-Size
-Wattage

Why is unbuffered memory a better choice than buffered memory for regular computers

The computer reads data directly from the unbuffered memory banks

What two devices are included in a UTM

-Stateful firewall
-IPS/IDS

What two steps follow a failed resolution in troubleshooting

-Test the next likely probable cause
-Document the failed solution

What action enables VirtualBox to run on startup

Moving VirtualBox's shortcut to the startup folder

What are two traits of the hotend nozzle on a 3D printer

-It heats to different temperatures depending on the filament
-They should be regularly replaced

What is the output of the ite_user command

Giving read permissions to text files

What disk drive provides a fast boot and high storage

SSD

What adapter card might require additional cooling, and has one PCIe x16 connector

Graphics card

What information is transmitted in discoverable mode

Device name and Bluetooth capabilities

When do you use the "bootrec" command

To repair the MBR

What is a file system that supports up to a 2TB partition

FAT32

When do you use the "copy" command

To copy data from one location to another

What is step one in the Windows boot sequence after bootmgr.exe loads

Winload.exe loads

What is step two in the Windows boot sequence after bootmgr.exe loads

NTO SKRNL.exe and HAL.exe are loaded

What is step three in the Windows boot sequence after bootmgr.exe loads

Winload.exe reads the Registry, chooses a hardware profile, and loads the drivers

What is step four in the Windows boot sequence after bootmgr.exe loads

NTOSKRNL.exe takes over