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CompTIA A+ 220-1101 Core 1 Exam Practice Questions 2026/2027 Latest Update | Verified Questions & Answers | Study Guide

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Prepare for the CompTIA A+ Core exam with this comprehensive practice resource, optimized for 2026/2027 exam preparation. Review exam-focused questions covering mobile devices, networking technology, hardware, virtualization and cloud computing, hardware and network troubleshooting, and other core IT concepts. Designed for CompTIA A+ candidates, IT students, and aspiring technical support professionals, this study resource helps reinforce essential knowledge, identify areas for review, and build confidence before assessment. Use alongside current CompTIA objectives and official training materials for effective exam preparation.

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Share some 220-1101 exam online questions below.
1.A user with a self-configured, static IP address cannot connect to the internet.
The technician runs an ipconfig command and receives the following output:




Which of the following should the technician edit?
A. IPv4 address
B. Subnet mask
C. DHCP server
D. Default gateway
Answer: D
Explanation:
The correct answer is D. Default gateway.
A default gateway is the device that connects a local network to other networks, such as the internet.
A default gateway is usually a router or a modem that has an IP address on the same subnet as the
local network. A default gateway is necessary for a device to communicate with devices outside its
local network.
In this case, the user has a self-configured, static IP address of 192.168.1.20, which belongs to the
subnet 192.168.1.0/24 (with a subnet mask of 255.255.255.0). However, the default gateway is set to
192.168.0.1, which belongs to a different subnet (192.168.0.0/24). This means that the user’s device
cannot reach the default gateway, and therefore cannot connect to the internet.
The technician should edit the default gateway to match the correct subnet of the user’s device, such
as 192.168.1.1 or 192.168.1.254, depending on the configuration of the network.
Reference: CompTIA A+ Core 1 Sample Questions and Study Guide


2.A technician is configuring a desktop computer, and the hard drive must be encrypted.
Which of the following will the technician need to verify is enabled to complete this configuration?
A. ATX
B. NIC
C. TPM
D. ARM
Answer: C
Explanation:
TPM stands for Trusted Platform Module, which is a hardware component that securely stores
encryption keys and other sensitive data12. TPM can be used to enable hard drive encryption, which
is a technology that encrypts the data stored on a hard drive using sophisticated mathematical
functions34. Hard drive encryption protects the data from unauthorized access in case the hard drive
is lost, stolen, or tampered with.


3.While implementing a non-carrier-grade wireless backhaul, a technician notices the current channel
selection is extremely polluted with various RF signals. Upon performing a spectral analysis, the
technician discovers a channel containing almost no RF pollution.



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Unfortunately, the technician is unable to select that channel.
Which of the following is the MOST likely reason for this issue?
A. The channel is reserved for licensed band use.
B. The channel selection is defective; contact the manufacturer.
C. The channel must be unlocked by the vendor.
D. The device requires a firmware update to unlock the channel.
Answer: A
Explanation:
The most likely reason that the technician is unable to select the channel with almost no RF pollution
is that it is reserved for licensed band use. Some channels are reserved for specific purposes and
require a license to use. These licensed bands are typically used for critical infrastructure, public
safety, or military operations, and unlicensed devices are not allowed to use them. References:
CompTIA A+ Certification Exam Objectives - 220-1001: 3.3 Compare and contrast common
networking hardware devices.


4.Which of the following internet connection types is most likely to be used in remote locations?
A. Fiber
B. Cable
C. Satellite
D. DSL
E. Cellular
Answer: C
Explanation:
Satellite internet is most commonly used in remote areas where wired infrastructure (e.g., fiber or
cable) is unavailable. It relies on satellite communication, making it suitable for isolated locations.
Why Not A (Fiber): Fiber requires physical infrastructure, which is rarely available in remote areas.
Why Not B (Cable): Cable internet relies on coaxial infrastructure, which is often unavailable in
remote locations.
Why Not D (DSL): DSL depends on existing telephone lines, which may not reach remote areas.
Why Not E (Cellular): Cellular can work in remote areas, but satellite is often the only option for
extremely isolated locations.
CompTIA A+ Exam
Reference: Core 1 (220-1101), Section 2.7, internet connection types.


5.11g and 802.11n are older wireless standards that can only operate in the 2.4GHz frequency range.
They were approved by the IEEE in June 2003 and October 2009, respectively, and offer lower
speeds and performance than newer standards. They also suffer from more interference and
congestion in the saturated 2.4GHz band, which is shared by many other devices and technologies32


6.11n combined with the 2.4GHz frequency offers the greatest compatibility for IoT devices.

7.When a user's workstation is turned on, a message displays indicating that the date and time are
incorrect. Other computers on the network do not display this message.
Which of the following is the most likely cause of this issue?
A. The time server is misconfigured.
B. The BIOS is not updated.
C. The CMOS battery is discharged.
D. The CPU is slow.
Answer: C



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Explanation:
The CMOS (complementary metal-oxide-semiconductor) is a small chip on the motherboard that
stores the BIOS settings, including the date and time. The CMOS battery is a coin cell battery that
provides power to the CMOS chip when the computer is turned off, so that the BIOS settings are not
lost. If the CMOS battery is discharged, the CMOS chip will lose its data, and the date and time will be
reset to the default values. This will cause a message to display indicating that the date and time are
incorrect when the computer is turned on. The other computers on the network do not display this
message because they have functional CMOS batteries. The most likely cause of this issue is the
CMOS battery is discharged, and it needs to be replaced with a new one12.


8.A technician is troubleshooting an issue involving lines appearing down copied pages, but printed
pages sent directly to the copier render as intended.
Which of the following is the MOST likely cause of this issue?
A. Empty imager drum
B. Overheated system fuser
C. Scratched scanner glass
D. Third-party toner
Answer: C
Explanation:
If lines appear down copied pages but printed pages sent directly to copier render as intended, it
could be due to scratched scanner glass which can cause lines or streaks on copied pages.
If there are lines appearing on copied pages, but not on printed pages sent directly to the copier, the
issue is most likely caused by a scratch on the scanner glass.
References: https://www.pacificoffice.com/how-to-fix-lines-on-copier/


9. Which of the following should a technician use in DNS to map a device to an IPv6 address?
A. A
B. CNAME
C. AAAA
D. MX
Answer: C
Explanation:
In DNS (Domain Name System), the AAAA record is used to map a domain or device to an IPv6
address. IPv6 addresses are 128-bit addresses, and the AAAA record is specifically designed for
handling these larger addresses.
C. AAAA: This record is used to associate a hostname with an IPv6 address in DNS.
Why the other options are incorrect:
A. A: An A record maps a domain to an IPv4 address, not an IPv6 address.
B. CNAME: A CNAME (Canonical Name) record is used to alias one domain name to another but
does not map to an IP address directly.
D. MX: An MX (Mail Exchange) record is used to direct email traffic to the correct email servers, not to
map devices to IP addresses.
This falls under the Networking domain of the CompTIA A+ Core 1 exam.


10.A user reports that a printer pulls multiple sheets of paper from the paper tray instead of a single
sheet.
Which of the following should a technician investigate to resolve this issue? (Select two).
A. Toner cartridge
B. Tractor feed



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C. Pickup roller
D. Separation pad
E. Duplexer
F. Fuser
Answer: CD
Explanation:
The correct answers are C. Pickup roller and D. Separation pad.
A pickup roller is a rubber wheel that grabs the paper from the paper tray and feeds it into the printer.
A separation pad is a small piece of cork or rubber that prevents more than one sheet of paper from
being fed at a time. If the pickup roller or the separation pad is worn out, dirty, or damaged, it can
cause the printer to pull multiple sheets of paper instead of a single sheet. This can lead to paper
jams, misprints, or wasted paper.
To resolve this issue, a technician should investigate the condition of the pickup roller and the
separation pad and replace them if necessary. The technician should also clean the paper tray and
make sure the paper is loaded correctly and not stuck together.
A toner cartridge is a component that contains the toner powder used to create the printout on a laser
printer. A tractor feed is a mechanism that uses sprockets to move continuous paper through a dot
matrix printer. A duplexer is a device that allows a printer to print on both sides of the paper
automatically. A fuser is a part of a laser printer that melts the toner onto the paper using heat and
pressure. None of these components are related to the issue of pulling multiple sheets of paper from
the paper tray.
Reference: Types of Printers?What You Need to Know for the CompTIA A+ Exams


11.A company just bought a printer capable of automatically printing on both sides of the paper After
installation, however, the technician can only print on both sides of the paper manually.
Which of the following should the technician do to fix the issue?
A. Install the most recent firmware upgrade available for the printer.
B. Contact the vendor for a hardware replacement.
C. Reinstall the printer software and drivers, and then restart the printer.
D. Read the installation manual and configure duplex settings.
Answer: D
Explanation:
The issue described in the question is most likely due to an incorrect configuration of the printer's
duplex settings. To enable automatic duplex printing, the technician needs to read the printer's
installation manual to understand how to configure the printer's duplex settings correctly. Once the
settings are configured, the printer should be able to print on both sides of the paper automatically.
To fix the issue of a newly installed printer capable of automatically printing on both sides of the paper
but only printing on both sides manually, the technician should read the installation manual and
configure duplex settings. Duplex printing settings can be configured in the printer driver software,
which can be accessed through the printer settings in the Control Panel. Installing the most recent
firmware upgrade available for the printer, contacting the vendor for a hardware replacement, or
reinstalling the printer software and drivers and restarting the printer will not resolve the issue.


12.After a new network printer is installed and added to the print server, users are unable to install the
printer. However, the technician is able to install the printer when logged in to a user's computer as an
administrator.
Which of the following is the best option to allow all users to print to the new printer?
A. Install all applicable print drivers on the print server.
B. Map the users to a print share for driver installation.
C. Give all users temporary administrator rights to install the new printer.



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