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CompTIA Core 1 > Questions > Flashcards

Questions Flashcards

1
Q 
Which wireless connection requires a pin as part of a pairing process?
Infrared
NFC
Radio Frequency
Bluetooth
A

Bluetooth

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2
Q 
What would laptops use to create an easy connection to external monitor, keyboard, mouse, wired connection, and additional hard drive when back in laptops were in the office?
Port replicator
Docking station
Thunderbolt
USB 4-port hub
A

Docking station

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3
Q 
Why can’t a phone connect to internet and unable to make or receive calls?
VPN password is incorrect.
Airplane mode is enabled
Bluetooth connection is disabled
Cellular radio is broken.
A

Airplane mode is enabled.

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4
Q 
What can be used to connect a USB mouse, keyboard, and webcam to a laptop?
Port replicator
USB 4-port hub
Docking Station
Thunderbolt
A

USB 4-port hub

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5
Q 
Touchscreen laptop is unresponsive to touch, what needs to be replaced?
LCD panel
Inverter
Digitizer
GPU
A

Digitizer

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6
Q 
What should be performed to connect smartphone to car?
Pairing the device
Enabling Wi-Fi
Installing the device drivers
Enabling NFC
A

Pairing the device

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7
Q 
What type of technology supports user’s ability to transfer photos from smartphone by tapping them together?
NFC
RF
IR
BT
A

NFC(Near-field communication

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8
Q 
What technology is used for contactless mobile payments, like Apple Play?
Infrared 
Bluetooth
NFC
Wi-Fi
A

NFC

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9
Q 
What feature allows smartphone to share its internet connection with multiple devices at the same time?
Tethering
Mobile Hotspot
Bluetooth
NFC
A

Mobile Hotspot

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10
Q

What is the BEST way for corporate account customer to migrate data from old iPhone to Android?
Create a wireless Bluetooth connection between phones and copy to new device.
Log into corporate account and restore contacts and appointments to new device.
Perform a backup using iTunes on PC and then import to new device.
Create a NFC connection to transfer data.

A

Log into corporate account and restore contacts and appointments to new device.

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11
Q

Email won’t show embedded image. What is MOST likely causing the issue?
Security settings in email client.
Email settings in antivirus software
Settings in the host-based firewall
Settings in your email proxy server
Settings in web browser site configuration

A

Incorrect security settings in the email client.

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12
Q 
Which tool is used to verify is properly grounded?
Voltmeter
Toner probe
Multimeter
Loopback plug
A

Multimeter

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13
Q 
What type of network is created when phone connects to your car?
PAN
LAN
MWN
WAN
A

PAN(Personal Area Network)

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14
Q 
What server should be configured if email won’t leave outbox?
SMTP server
SSH server
POP3 server
DNS server
A

SMTP server (Simple Mail Transfer Protocol)

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15
Q 
Which port should be blocked at the firewall to prevent remote logins?
23
25
110
443
A

Port 23

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16
Q

What is used by port 25?

A

SMTP

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17
Q

What port is used by POP3?

A

Port 110

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18
Q

What port is used by HTTPS?

A

Port 443

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19
Q 
What tool is used to determine which cable in communications closet is connected to the wall jack in the users office when cables aren’t labeled?
Loopback plug
Tone Generator and probe
Multimeter
Punchdown tool
A

Tone generator and probe

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20
Q

Which is BEST to mitigate hackers from an IoT device (Nest Thermostat)? Choose 2.
If the device’s website supports 2-factor
Configure to connect to the wireless network using WPA 2 encryption, and a long password.
Disable wireless connectivity to the thermostat.
Configure thermostat to use segregated part of the network by installing DMZ.
Upgrade firmware.
Configure thermostat to use the WEP encryption stand for additional confidentiality

A

Configure to connect to the wireless network using WPA 2 encryption, and a log password.
Configure to use segregated part of the network by installing DMZ.

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21
Q 
Which port should be set to ALLOW in the firewall to make sure emails are being sent?
22
25
80
143
A

Port 25

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22
Q

What uses port 143?

A

IMAP (Internet Mail Application Protocol).

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23
Q

What uses port 80?

A

HTTP

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24
Q 
What port would you open for secure web browsing on the firewall so users could access new server?
21
80
143
443
A

Port 443. Used for HTTPS traffic. Secure web browsing.

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25
Q 
Which cable is used to connect VOIP device to switch that is 150 feet away?
CAT 3
Coaxial
CAT 6
Fiber
A

CAT 6. VOIP (Voice over IP) devices that rely on PoE ( Power over Ethernet) should use CAT 5e or CAT 6.

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26
Q 
What type of network is made when buildings in a city are interconnected with a campus network?
MWN
LAN
MAN
WAN
A

MAN (Metropolitan area network)-interconnection of local area networks (LAN) or campus area networks (CAN). These are smaller than WAN.

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27
Q 
What type of connector is most commonly used to terminate an Ethernet cable?
RJ-45
RG-6
DB-9
RG-59
A

RJ-45

28
Q

What type of connector terminates a coaxial cable?

A

RG-59

29
Q

What type of connector terminates a RS-232 connection on a serial cable?

A

DB-9

30
Q

Large multifunction printer for 12 people to use, stops working. What to do for all to use manager’s printer?

A

Purchase a portable wireless print server and connect the printer to it using USB.

31
Q 
Building new server and want to ensure its memory can allow the server to continue if there is an issue that corrupts data. Which memory should be used for the server?
Non-parity
Single-channel
ECC
Dual-channel
A

ECC (Error-correcting code memory)-can detect and correct internal data corruption.

32
Q 
What should be installed in computer that will be used only for running numerous virtual machines at the same time? Pick 2.
64 GB of DDR4
Intel i3 with 2-cores
8 GB of DDR3
Intel i9 with 8-cores
1TB SSD
1 TB HDD
A

2 things you need to include in a dedicated virtualization workstation are: maximum RAM and multiple CPU cores.
64 GB of DDR4
Intel i9 with 8-cores

33
Q 
Which cable supports both charging and data transfer with a non-directional connector inserted into a port on the device?
USB-A
USB-C
Mini-USB
Micro-USB
A

USB-C-non directional connector. Can go in any way.

34
Q 
What type of connector is used to terminate a coaxial cable?
RJ-45
RG-59
RS-232
RJ-11
A

RG-59 connector

35
Q

What type of connector terminates a phone line?

A

RJ-11

36
Q 
Which of the following types of connectors are used to termite a CAT 5e network cable?
RG-6
RJ-11
RJ-45
RG-59
A

RJ-45 (Registered Jack-45)

37
Q 
What RAID solution will ensure no unscheduled downtime, no data loss, and increase in speed/performance?
RAID 0
RAID 1
RAID 5
RAID 10
A

RAID 10-provides fully redundant RAID with mirroring and speed/performance.

38
Q

What does RAID 5 offer?

A

Provides redundancy but it won’t improve speed/performance.

39
Q

What do RAID 0 and 1 offer?

A

Can provide mirroring(redundancy) or speed/performance, but not both.

40
Q 
Which of the following connectors are used to terminate a serial cable for an external modem?
RG-6
RJ-11
RJ-45
DB-9
A

DB-9-designed to work with the EIA/TIA 232 serial interface standard. Serial peripheral devices-keyboards, mice, joysticks.

41
Q 
Which device would allow you to control and provide input commands to multiple servers within the same server rack using a single set of input devices? 
Touchpad
KVM
Mouse
Keyboard
A

KVM(keyboard, video and mouse) can control multiple computers from a single set of input devices.

42
Q 
Which type of cable is most commonly used to terminate a serial connection to a modem?
RG-59
RJ-45
DB-9
RJ-11
A

DB-9

43
Q 
Installing a network cable inside a conduit placed underground and connected to 2 buildings located about 1KM apart. Which cable to use?
Fiber
Shielded
Plenum
Coaxial
A

Fiber-network cable that has glass fibers inside insulated casing. Good for long distance.

44
Q 
Which of the following virtualization concepts refers to a VM’s ability to have memory allocated for its use?
Measured service
Resource pooling
Synchronization
Virtual application streaming
A

Resource pooling- concept that allows a virtual environment to allocate memory and processing capacity.

45
Q 
Which of the following is the virtualization technology supported by most modern AMD processors?
VT
HT
AMD-V
Intel-V
A

AMD-V

46
Q 
Installing Windows 2016 on rack-mounted server and hosting multiple virtual machines. What should be utilized to create and provision the virtual machines?
Disk management
Hypervisor
Device Manager
Terminal services
A

Hypervisor(virtual machine monitor)-creates and runs virtual machines(VMs). Allows one host computer to support multiple guests VMs by virtually sharing resources.

47
Q 
You want to create a mobile application and develop it in the cloud. What service is this?
DaaS
PaaS
IaaS
SaaS
A

PaaS(Platform as a Service) provides the end-user with a development environment without the hassle of configuring and installing it themselves.

48
Q 
A bank wants to move its operations to the cloud but is worried about security. Organization called CloudBank secure cloud-based environment that can be accessed. Which cloud model BEST describes the cloud created by CloudBank?
Private cloud
Public cloud
Hybrid cloud
Community cloud
A

Community cloud-a type of cloud computing where the cloud setup is shared manually among different organizations that belong to the same community or area.

49
Q 
Which cloud computing concept is BEST described as focusing on the replacement of applications and programs on a customer’s workstation with cloud-based resources?
IaaS
PaaS
SaaS
DBaaS
A

SaaS- Software of a Service-provides web applications to end-users. This can be a calendar, scheduling, invoicing, word processor, database. Google Docs and Office 365 are word processing SaaS solutions.

50
Q 
Which cloud computing concept is BEST described as focusing on the replacement of physical hardware at a customer’s location with cloud-based resources?
SaaS
PaaS
IaaS
SECaaS
A

IaaS-Infrastructure as a Service- focused on moving your servers and computers into the cloud. If you purchase a server in the cloud, and then install and manage the OS and software, this is laaS.

51
Q 
Which of the following is the virtualization technology supported by most modern Intel processors?
HT
VT
Intel-V
AMD-V
A

VT- to use virtualization and have virtual machines running a single workstation, you need to have a CPU specifically designed to support virtualization. For Intel processors, they must support VT or Virtualization Technology. If using AMD processor, it should support AMD-V.

52
Q 
Which cloud computing concept is BEST described as focusing on replacing the hardware and software required when creating and testing new applications and programs from a customer’s environment with cloud-based resources?
PaaS
SaaS
LaaS
SECaaS
A

PaaS-Platform as a Service provides the end-user with a development environment without all the hassle of configuring and installing it themselves.

53
Q 
You are installing Hyper-V on a new laptop, but error message during install that the software can’t be installed.  Which is most likely the issue?
Virtualization support (VT)
Number of cores available
Cache size
Hyper-treading(HT)technology
A

Virtualization support (VT)-CPU virtualization is a hardware feature found in all current AMD and Intel CPUs that allows a single processor to act as if it was multiple individual CPUs. Enabled and disabled on supported processors within your system’s BIOS.

54
Q

Projector is too dim, image appears to be displayed clearly and correctly. What is the FIRST thing you should do to make the image brighter?
Replace the bulb in the projector
Modify the workstations’s video resolution
Increase the contrast on the projector
Update the video driver on the workstation

A

Increase the contrast on the projector.

55
Q

New wireless printer that needs to be configured. Printer drivers have been installed and printer is plugged in. You just configured the printer to connect to the guest wireless network. Next, you try to print a test page, but nothing prints. Which is most likely the cause of the printer not printing?
You didn’t enable DHCP on your workstation
You connected the printer to the guest wireless network instead of the corporate wireless network
You forgot to configure your workstation as a print server
You didn’t configure the printer to use the Internet Printing Protocol

A

You connected to the guest network instead of the corporate wireless network.

56
Q

Client is attempting to power on their computer but it keeps booting to the incorrect hard drive. Which action should be performed to attempt to fix the problem?
Unplug any external hard disks
Reconfigure the boot order within Windows
Reconfigure the boot order within the BIOS/UEFI
Press F8 repeatedly during the boot process.

A

Reconfigure the boot order in BIOS/UEFI.

57
Q 
Laptop is charging and gets knocked off and falls on the floor.  It won’t turn on.  The laptop is connected to power, plugged into the wall, still not turning on.  Which component was MOST likely damaged when it fell?
DC jack
Hard drive
Battery
Power adapter
A

DC jack.

58
Q

Every time a laptop’s keyboard is typed, it is displaying cryptic type words. What is MOST likely the cause?
Keyboard is faulty and needs to be replaced.
Keyboard has some crumbs or debris that has fallen under keys
The NumLock has been enabled for the laptop
Keyboard driver needs to be updated

A

The NumLock has been enabled for the laptop.

59
Q 
Just installed a new hard disk drive in computer, but MB does not recognize it within the BIOS/UEFI. You have verified the drive is properly installed and power supply with correct cables.  Which action would BEST solve this problem?
Update the firmware of the MB
Format the new hard drive as NTFS
Configure a RAID in the BIOS/UEFI
Format the new hard drive as FAT-32
A

Update the firmware of the MB. This type of error is usually the result of the MB’s firmware not supporting a newer hard drive model or the cables not being properly connected.

60
Q 
Projector is displaying artifacts on image and obscuring the image.  What is the FIRST thing you do?
Increase the contrast
Update the video driver
Modify the workstations video resolution
Replace the bulb in projector.
A

Replace bulb in projector.

61
Q 
Printed on thick card stock but there were smears all over the paper.  When using regular paper there isn’t any smearing. Which is the NEXT step?
Change the feed rate of the paper.
Increase the temp of the fuser element
Replace toner cartridge
Clean the printer’s transfer roller
A

Increase the temperature of the fuser element.
With a laser printer, the paper passes through rollers in the fuser assembly with very high temperature and pressure to bond the ink. Heat does not transfer well with thicker paper.

62
Q

Company’s file server is using RAID 5 configuration. Alert received from server stating RAID is degraded and the local disk 0, physical disk 3 has failed. What is the BEST way to fix this error?
Replace physical disk 3 immediately, rebuild array, etc.
Schedule an authorized downtime period, replace a physical disk 3, rebuild array, etc.
Format locational disk 0, manually configure a new RAID using the remaining drives, etc.
Reconfigure the RAID 5 to a RAID 0 in order to avoid, etc.

A

Schedule an authorized downtown period, replace a physical disk3, rebuild the array, and confirm that the RAID is no longer reporting itself as degraded. Since RAID 5 has built in redundancy, it will continue to operate while in degraded state. It is best to have an authorized downtime to replace the failed drive, rebuild array, and confirm that the RAID is working.

63
Q 
The touch screen on your Windows 10 laptop is not working properly, You have been asked to troubleshoot the laptop.  What should you check FIRST?
System configuration
Performance monitor
Digitizer settings
Device manager
A

Digitizer settings.

64
Q 
Client states their computer is experiencing slow performance when reading or writing to the hard drive. Already verified that it is not a system(software) issue, and the system is not overheating. Which is the BEST action to take in to attempt fixing.
Upgrade the memory of the system.
Run the disk repair tool
Clean the cooling fans of the system
Backup the hard drive
A

Run the disk repair tool. Slow performance can be a symptoms of overheating or other problems. Since this was ruled out, run disk repair tool to optimize the file system and read/write performance.

65
Q 
A workstation with a RAID 5 config reports slower than normal performance. You run a diagnostic program against RAID and they all pass.  While running tests, you hear a clicking noise coming from the RAID. Which is MOST likely the cause of the slow performance?
RAID controller
SSD
Cooling fan
Hard drive
A

Hard drive. RAID is functional. Since there is a clicking noise, this is most likely a hard drive failure since a cooling fan makes a grinding noise.

66
Q

Office has shared a networked printer connected that is accessed via a print server. Printer has stopped printing. What is the FIRST step to try?
Restart the user’s workstation
Update the printer drivers on the user’s workstation
Clear the print queue on the print server
Replace the USB cable on the printer

A

Clear the print queue on the print server. A network printer connected to a print server will stop printing if the print queue becomes too full or a single print job has failed.

CompTIA Core 1 (7 decks)

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