What is the main function of a hypervisor?

It is used to create and manage multiple VM instances on a host machine.

If I want to prevent an installed application from accessing the public Internet on a Windows 10 PC which tool do I use?

Windows Defender Firewall with Advanced Security

Which network device is the most appropriate to provide stateful packet filtering, email filtering, and VPN services?

unified threat management (UTM)

What is a common function of a proxy server?

can act as another computer to store web pages on an internal network

In which step of the troubleshooting process would a technician have to do more research to solve a problem?

Establish a plan of action to resolve the problem and implement a solution.

What is the definition of a script file?

A simple text file used to automate processes and tasks

What is a characteristic of a WAN?

connects multiple networks that are geographically separated

What are signatures as they relate to security threats?

one or more code patterns within a specific type of malware

What is the definition of cyber law?

collection of international, country, and local laws affecting cyber crime

What is the purpose of LoJack?

remotely locate, lock, or delete all files from the device

Which statement best describes a call center?

a place existing within a company that provides PC support to end users

Which business and technical challenges does implementing virtualization within data centers help businesses overcome?

power and air conditioning, physical footprint

A technician has been asked to upgrade a processor. What are two types of processor packages that could be used?

Land Grid Array, Pin Grid Array

How does an inline UPS protect computer equipment against electrical power brownouts and blackouts?

by using a battery to supply a constant level of voltage

What does the "A" in P-A-S-S remind a person to do while using a fire extinguisher?

Aim the fire extinguisher at the base of the fire.

What is the next step after a possible solution is implemented during a troubleshooting process?

Verify full system functionality

What security method helps a store secure laptops on display and keep employee records of who enters the inventory room?

cable locks and a token-based lock on the backroom

What is one purpose of adjusting the clock speed within the BIOS configuration settings?

to allow the computer to run slower and cooler, to overclock the computer to run faster

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Class 046 IT Essentials Exam Study Guide (Module 1-14)

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Questions 91

Answers

1
How many bits represent this host network address with an IP address of 192.168.150.16 and a subnet mask of 255.255.0.0?
8
16
12
10
2
What is the main function of a hypervisor?
It is a device that filters and checks security credentials.
It is used to create and manage multiple VM instances on a host machine.
It is software used to coordinate and prepare data for analysis.
3
If I want to prevent an installed application from accessing the public Internet on a Windows 10 PC which tool do I use?
Local Security Policy
Windows Defender Firewall with Advanced Security
DMZ
Computer Management
4
Which network device is the most appropriate to provide stateful packet filtering, email filtering, and VPN services?
transmission control protocol (TCP)
firewall
unified threat management (UTM)
user datagram protocol (UDP)
5
What is a common function of a proxy server?
can distribute heavy traffic load
can act as another computer to store web pages on an internal network
can permit or deny access to a network segment
can monitor and respond to malicious traffic
6
Which type of connection to the Internet is capable of the fastest transfer rates?
Fiber
Broadband
DSL
Cable
7
An antistatic wrist strap can protect computer components from the effects of ESD
False
True
8
In which step of the troubleshooting process would a technician have to do more research to solve a problem?
Establish a plan of action to resolve the problem and implement a solution.
Test theory to determine cause
Establish a theory of probable cause
Identify the problem
9
An employee reports that each time a workstation is started it locks up after about 5 minutes of use. What's wrong?
the CPU is overheating
the GPU drivers are outdated
the RAM cards are faulty and need to be replaced
the workstation needs to be rebooted
10
How many devices can a Bluetooth device connect to simultaneously?
12
9
7
5
11
customer is looking for a device to manually input text for a new networking textbook that the customer is writing
speaker
mouse
Keyboard
microphone
12
What is the definition of a script file?
A simple text file used to automate processes and tasks
A file that is the output of a conditional statement
A file that's compiled/translated into machine language before executing
A simple file with a single statement that loops repeatedly
13
What is an active cooling solution for a PC?
heat sink
northbridge
CPU
case fan
14
Which device provides wireless connectivity to users as its primary function?
modem
router
access point
switch
15
What memory is best for a technician building a thick client workstation and wants the best protection against errors?
DDR2
RDRAM
DDR3
ECC
16
What is a characteristic of a WAN?
connects devices using wired cables in a small geo area
connects multiple networks that are geographically separated
connects devices within range of a person
connects securely to another network, such as a private corporate network
17
What is the correct compressed format of the IPv6 address 2001:0db8:eeff:000a:0000:0000:0000:0001?
2001:db8:eeff:a::1
2001:0db8:eeff:000a::0001
2001:0db8:eeff::a::1
2001:db8:eeff:0a::01
18
What are signatures as they relate to security threats?
a unique encryption code used by a known attacker
a malware segment that has a specific cyclic redundancy check number
one or more code patterns within a specific type of malware
the checksum associated with a specific type of malware stored in a virus
19
Which BIOS security feature prevents reading hard drive data even if the hard drive is moved to another computer?
trusted platform module (TPM)
passwords
drive encryption
secure boot
20
What is the definition of cyber law?
contract that defines expectations between an organization and IT vendors
a single law defining criminal acts that are committed online
process of collecting and analyzing data from computer systems/networks/etc
collection of international, country, and local laws affecting cyber crime
21
Which two components usually interface directly with the Southbridge chipset on the motherboard? (Choose two.)
hard drives
video card
RAM
USB ports
22
What is the purpose of LoJack?
to setup various access levels of security
remotely locate, lock, or delete all files from the device
store data across multiples devices
adjust clock speed of the CPU
23
A user notices that files created and saved locally last week are missing. Which type of malware could be responsible?
phishing
trojan
adware
spyware
24
Which statement best describes a call center?
It is a store-front where the customers get their computers fixed
a place existing within a company that provides PC support to end users
a help desk used by customers to report their computer problems
a busy, fast-paced work environment where agents contact customers
25
What is the fastest type of memory technology?
DDR3
DRAM
SRAM
DDR5
26
Which two items are used in asymmetric encryption? (Choose two.)
a private key
a DES key
a public key
a token
27
Which business and technical challenges does implementing virtualization within data centers help businesses overcome?
power and air conditioning
server hardware needs
virus and spyware attacks
physical footprint
28
Which security attack has you receive an abnormally high number of web page requests from different places all at once?
adware
phishing
Spyware
DDoS
29
Which type of interface was originally developed for high-definition televisions and is popular to use with computers?
SATA
SODIMM
HDMI
NIC
30
The purpose of a digitizer in a mobile device is to convert user touch actions to digital input signals.
False
True
31
Which firewall serves as a relay for users and servers, inspects traffic, and allows or denies traffic based on rules?
proxy firewall
packet filtering firewall
stateful packet firewall
operating system firewall
32
A technician is going to encrypt a corporate drive by using Microsoft BitLocker. Which BIOS option needs to be enable?
SSL
NTFS
TPM
EFS
33
Which security method wipes the data from a hard drive by being placed near the drive platter for at least 2 minutes?
low-level format
biometric scanner
erase scope
degaussing wand
34
Which laptop component would be considered an FRU (Field-Replaceable-Unit)?
display
battery
motherboard
RAM
35
During computer forensics investigations, which type of data is lost when power is removed from the computer?
data that is stored in RAM
data that is stored to an external drive
data that is stored on solid state drives
data that is stored on magnetic disk
36
Which cloud model provides services for a specific organization or entity?
a hybrid cloud
a private cloud
a community cloud
a public cloud
37
A technician has been asked to upgrade a processor. What are two types of processor packages that could be used?
Land Grid Array
Pin Grid Array
Southbridge Chipset
Northbridge Chipset
38
How does an inline UPS protect computer equipment against electrical power brownouts and blackouts?
by providing a backup battery in case of primary failure
by diverting extra voltage to the ground
by using a battery to supply a constant level of voltage
inline UPS can only protect against brownouts, not blackouts
39
What does the "A" in P-A-S-S remind a person to do while using a fire extinguisher?
Aim the fire extinguisher at the base of the fire.
Aim the fire extinguisher at the top of the fire
Arm yourself with a fire extinguisher and sweep from left to right
Squeeze the trigger while sweeping left to right
40
A technician is troubleshooting a laptop with an unresponsive touchscreen. What could be the probable cause?
the laptop has graphics drivers that are not up to date
the digitizer is faulty and needs to be replaced
the screen is dirty
the SATA cord connecting the digitizer to the motherboard is unplugged
41
What is the next step after a possible solution is implemented during a troubleshooting process?
Document findings, actions, and outcomes
Establish plan to resolve problem
Verify full system functionality
Establish theory of probable cause
42
Which condition refers to a reduced voltage level of AC power that lasts for an extended period of time?
power surge
brownout
blackout
noise
43
What is the proper CIDR prefix notation for a subnet mask of 255.0.0.0?
/4
/16
/8
/24
44
Which type of RAM modules are designed for the space limitations of laptops?
SRAM
SODIMM
DDR4
DIMM
45
What security method helps a store secure laptops on display and keep employee records of who enters the inventory room?
guards and log sheets
security cameras and only the manager having access to the backroom
a condition that laptops are viewed one at a time
cable locks and a token-based lock on the backroom
46
What is one purpose of adjusting the clock speed within the BIOS configuration settings?
to allow the computer to run slower and cooler
to overclock the computer to run faster
you cannot adjust clock speed within the BIOS, only within the UEFI
to turn on the GPU
47
A programmer used an operator to compare values within a program. Which logical data type would prove to be false?
6 <= 6
4 >= 1
8 != 8
3 == 3
48
Which two algorithms are used for hash encoding to guarantee the integrity of data? (Choose two.)
MD5
VPN
SSL
SHA
49
HTTP is a protocol that can be used to transfer messages from an email server to an email client
True
False
50
Which filtering method uses a physical address to specify which device is allowed or blocked to send data on a network?
MAC address filtering
mailing address
static address
IP address
51
What mechanism is used in a laser printer to permanently fuse the toner to the paper?
coolant
ink
carbon
heat
52
Which considerations would be important when building a workstation that will run multiple virtual machines?
amount of RAM
number of CPU cores
whether or not the processor has an integrated graphics card
amount of watts the power supply has
53
Which type of motherboard expansion slot has four types ranging from x1 to x16 with each having a different length?
PCIe
PCI
NIC
SATA
54
A customer calls to complain that the service scheduled on the computer took longer than expected. How to respond?
Listen to customer and apologize for any inconvenience the service caused
Explain that the repair technician sent to perform the service is new
Put the customer on hold until a supervisor is available
Verify that the computer is working properly now
55
What should a technician do before beginning any troubleshooting steps on a customer computer?
update all drivers
reboot the computer
perform a data backup
ensure all cables and connectors are plugged in properly
56
BIOS = UEFI
False
True
57
How can users work on a shared computer while keeping personal browsing history hidden from the other users?
Reboot the computer after closing the web browser.
Move any downloaded files to the recycle bin.
Use only an encrypted connection to access websites.
Operate the web browser in private browser mode.
58
From which type of data storage does the CPU load information for processing during normal operation?
ROM
HDD
RAM
SSD
59
What corrective action should be taken if a laser printer is printing faded images?
replace the ink cartridge
replace the toner cartridge
inspect the duplexing assembly for damages
the printer's firmware needs to be manually updated
60
What is a characteristic of the open source license of an application software?
It cannot be used for campus-wide deployment.
It allows users to modify and share the source code.
It requires registration instead of purchasing.
It does not require purchase in order to use the software.
61
A small company wants to share printers to reduce the number of printers within the company. What is the security risk?
user authentication
data privacy
hard drive caching
62
Which two statements are true of a laptop CPU when compared to a desktop CPU? (Choose two.)
Laptop CPUs use heatsinks instead of fans in order to save space.
Laptop CPUs use smaller cooling devices.
Laptop CPUs do not have any cooling devices.
Laptop CPUs are designed to produce less heat.
63
A technician is configuring a device and the device shows that it is pairing. Which mobile technology is being used?
tethering
bluetooth
802.11
global positioning system
64
What is the minimum number of drives the technician has to install if configuring a RAID level 1 workstation?
3
2
1
4
65
A Research Association plans to to collaborate among members in multiple divisions. Which cloud-based model is suitable?
hybrid
public
community
Private
66
Which IPv6 address represents the most compressed form of the IPv6 address 2001:0db8:cafe:0000:0835:0000:0000:0aa0/80?
21:db8:cafe:835::aa/8
2001:0db8:cafe:0:0835::aa0/80
2001:0db8:cafe:0:835::aa0/0
2001:db8:cafe:0:835::aa0/80
67
What are two cables that are used to connect a computer to a printer? (Choose two.)
Serial
Ethernet
SATA
FireWire
68
What is a typical task performed by a level one technician in a call center?
solving the problem that might require opening up the computer case
gathering information when a customer calls for help
using remote access software to troubleshoot the customer computer
picking up an escalated work order and calling the customer for more info
69
Which two devices are considered input devices? (Choose two.)
digital camera
biometric authentication device
projector
inkjet printer
70
Which statement is characteristic of most personal software licenses?
A user is allowed to share the software with friends
Developers are allowed to modify and share the source code
A user is allowed to install the software on only one computer
A company is allowed to use the software campus wide
71
Which two rules pertain to the general daily activities of employees in a call center environment? (Choose two.)
The technician should adjust the work chair to a height that is 6 inches
The technician should contact the customer if late for a follow-u
If a customer complains about another technician, the you should agree
The technician should be sure to treat all customers equally
72
Buffered memory is NOT used by servers or high-end workstations, and is best used for gaming.
False
True
73
What is the correct order of the layers of the TCP/IP model from the top layer to the bottom?
application, transport, internet, network access
transport, network access, internet, application
transport, internet, application, network access
application, internet, network access, transport
74
Which security feature in modern CPUs protects memory areas from malware attacks?
hyper-threading
execute disable bit
UPS
SPS
75
When dealing with a customer, what is the best approach when communicating about their problem?
argue with the customer if they do not understand their mistake
let the customer know that you are listening
be a shitbag
minimize a customer’s problems
76
Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
access point
switch
router
modem
77
A network technician issues the ipconfig /all command on a computer. Which two parameters can he review?
IPv4
default gateway
subnet mask
IPv6
78
What data is stored in the CMOS memory chip?
BIOS settings
complex instruction set
CPU architecture
reduced instruction set
79
What voltage is commonly provided by the power supply to the various components inside the computer?
3.3 volts
7 volts
3 volts
33 volts
80
When using an application for the first time what is a common policy document that you will have to read and accept?
SOP
ITDD
AAR
AUP
81
What is a reason to escalate a problem from a level one technician to a level two technician?
when the equipment needs to be rebooted
when the screen resolution of a customer PC needs to be adjusted
when drivers, applications, or operating systems need to be installed
when a peripheral device needs to be replaced
82
What is a common responsibility of a level one call center technician?
remotely connect to customer devices and implement driver/software updates
entering a concise description of customer problems into a ticketing system
receiving escalated work orders from a lower level technician
calling back customers and asking additional questions to solve the problem
83
When would a PC repair person want to deploy the idle timeout feature?
when users are leaving their desk but remaining logged on
when users play music CDs and leave them on even after the user left
when users insert media or run applications not sanctioned by the company
when users are surfing the Internet and not doing their job
84
Which task would require that a problem be escalated to a level two technician?
changing CMOS settings
checking loose external cables
cleaning a mouse
changing toner cartridges
85
Which characteristic describes ROM?
an erasable chip that can be reprogrammed
a chip that is programmable after it is manufactured
a chip that cannot be erased or rewritten and is now obsolete
a chip that is used to store a computer's BIOS
86
Which are two examples of good customer service? (Choose two.)
speak slowly and uses common industry jargon and terms with the customer
follows up with a customer after services are completed
encourage a customer to agree to a product warranty
notifying a customer as soon as possible that there may be a delay
87
A Gamer's PC with a standard EIDE 5400 RPM hard drive has BAD performance. Which upgrade would improve performance?
SATA Drive
Optical Drive
SSD
EIDE 7200 RPM
88
Which statement describes a characteristic of cloud computing?
Devices can connect to the Internet through existing electrical wiring.
Investment in new infrastructure is required in order to access the cloud.
A business can connect directly to the Internet without the use of an ISP.
Can be accessed by users or businesses using any device around the world
89
What electrical unit refers to the number of electrons moving through a circuit per second?
current
volts
resistance
power
90
A technician is searching through a storage locker and finds a router. What is the purpose of this device?
It connects networks and forwards traffic to remote networks via IP address
It connects devices within range of a person
It connects a home or small office to the internet
It connects multiple devices to a single network
91
When a new PC is being built, which component has the most influence when selecting the case and power supply?
motherboard
Hard disk drive
expansion slots
CPU

Class 046 IT Essentials Exam Study Guide (Module 1-14) Flashcards | StudBud