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CompTIA A+ · Core 1 · Exam 220-1201

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PBQ · Q1 of 11 Domain 2.0 — Networking PBQ
Scenario: You are the help desk technician for a small office network. A ticket has come in from the accounting department — one workstation cannot access the network or any shared resources. All other PCs on the same switch are working normally.
Environment: The office LAN uses a single core router (192.168.1.1/24) connected to a managed switch (SW-3). ACCT-PC-04 is plugged into Port 4 of SW-3. All other ports on SW-3 are functioning. The file server is at 192.168.10.11.
Network Topology — Accounting Segment
🌐
ROUTER
192.168.1.1
──── LAN ────
🔀
SW-3
Managed Switch
💻
ACCT-PC-01
192.168.1.10
Port 1
✓ OK
💻
ACCT-PC-02
192.168.1.11
Port 2
✓ OK
💻
ACCT-PC-03
192.168.1.12
Port 3
✓ OK
💻
ACCT-PC-04
169.254.x.x
Port 4
✗ FAIL
Ping 192.168.1.1 from ACCT-PC-04: Request Timed Out IP on ACCT-PC-04: APIPA (169.254.x.x)
Task 1 of 4

Based on the APIPA address on ACCT-PC-04, what is the most likely root cause of the connectivity failure?

Task 2 of 4

What is the first troubleshooting step you should perform on ACCT-PC-04?

Task 3 of 4

After running the fix from Task 2, ACCT-PC-04 still gets an APIPA address. What is the next step to isolate whether the problem is the PC or the switch port?

Task 4 of 4

After moving ACCT-PC-04 to a working port, it receives a valid IP and can reach the router — but still cannot access the file server by hostname. What is the most likely cause?

Q2 of 11 Domain 1.1 — Mobile Devices MCQ

A user's laptop display is very dim even at maximum brightness. An external monitor connected to the same laptop works fine. Which component is the most likely cause?

AThe GPU has failed
BThe LCD inverter or backlight has failed
CThe RAM needs to be reseated
DThe display driver is corrupt
Q3 of 11 Domain 3.1 — Hardware MCQ

A technician installs a second SATA SSD in a desktop. The drive is detected in BIOS but does not appear in Windows File Explorer. What is the most likely reason?

AThe SATA cable is faulty
BThe drive is not initialized or partitioned in Disk Management
CThe drive letter conflicts with a network share
DThe BIOS boot order is incorrect
Q4 of 11 Domain 2.2 — Networking MCQ

Which wireless security protocol uses Simultaneous Authentication of Equals (SAE) to provide stronger protection against offline dictionary attacks?

AWEP
BWPA2-Personal
CWPA3-Personal
DWPA2-Enterprise
Q5 of 11 Domain 1.3 — OS / Performance MCQ

A Windows 10 workstation is running slowly. Task Manager shows CPU at 15% and RAM at 40%. However, disk activity is consistently at 100%. What is the best next step?

AUpgrade the CPU
BAdd more RAM
CCheck for a failing HDD or replace with an SSD; also check for malware and startup items causing excessive I/O
DReinstall Windows immediately
Q6 of 11 Domain 2.8 — Security MCQ

A user receives an email appearing to come from their company's IT department asking them to click a link and enter credentials to "verify their account." The link leads to a spoofed login page. This is an example of which attack?

ABrute force attack
BSpear phishing
CMan-in-the-middle
DSQL injection
Q7 of 11 Domain 3.4 — Printers & Imaging MCQ

A laser printer is producing pages with a repeating smudged mark at regular intervals down every page. Which component is the most likely cause?

AThe toner cartridge is low
BThe fuser assembly is worn or damaged
CThe paper tray is misaligned
DThe print driver needs to be updated
Q8 of 11 Domain 4.2 — Virtualization & Cloud MCQ

Which cloud model provides dedicated resources to a single organization and can be hosted on-premises or by a third party, offering maximum control and customization?

APublic cloud
BCommunity cloud
CHybrid cloud
DPrivate cloud
Q9 of 11 Domain 1.2 — OS Tools MCQ

A technician needs to edit the Windows Registry on a remote machine without using RDP. Which built-in tool allows connecting to a remote registry?

ADevice Manager
Bregedit.exe using File > Connect Network Registry
Cmsconfig
Dservices.msc
Q10 of 11 Domain 2.4 — Security / Malware MCQ

Which type of malware encrypts a victim's files and demands payment for the decryption key?

ARootkit
BKeylogger
CRansomware
DSpyware
Q11 of 11 Domain 3.5 — Troubleshooting MCQ

A desktop PC powers on (fans spin, LEDs light) but there is no POST, no beeps, and no display. The monitor is confirmed working on another system. Which component should the technician test or reseat first?

AHard drive
BRAM
CNetwork card
DOptical drive
Score
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