The answer is that the printer’s embedded web server is disabled. This is the most likely cause because if users can print successfully, the printer’s network connectivity and IP configuration are correct, but the web interface requires a separate HTTP service running on the device. When that embedded web server is turned off, the browser cannot reach the printer’s management pages even though print jobs flow normally. On the CompTIA A+ Core 1 220-1201 exam, this scenario tests your understanding that a printer’s network stack and its web server are distinct services; a common trap is to assume a firewall or IP conflict is at fault when printing still works. Remember the memory tip: “Printing proves the path, but the web needs the server.”
220-1101 Printer Troubleshooting Practice Question
This 220-1201 practice question tests your understanding of printer troubleshooting. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
During a printer deployment, a technician installs a network laser printer and configures it with a static IP address. Users can print from their computers, but the printer's web interface is unreachable from any browser. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The printer's embedded web server is disabled
If printing works but the web interface is inaccessible, the printer's network settings are likely correct, but the web server service may be disabled or blocked by a firewall. Many printers have a separate setting to enable the embedded web server. Checking the printer's menu or documentation is the next step.
Key principle: Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
The printer's IP address is on a different subnet
Why it's wrong here
If the IP were on a different subnet, printing would also fail because the print jobs use the same network path.
✓
The printer's embedded web server is disabled
Why this is correct
Printers often allow disabling the web server for security; if disabled, the web interface is unreachable even though printing works.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
A driver issue affects print jobs, not the ability to access the printer's web interface.
✗
The printer's firmware needs updating
Why it's wrong here
Firmware issues might cause various problems, but the most direct cause is the web server being disabled.
Common exam traps
Common exam trap: usable hosts are not the same as total addresses
Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.
Detailed technical explanation
How to think about this question
Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.
KKey Concepts to Remember
CIDR notation defines the prefix length.
Block size helps identify subnet boundaries.
Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
The required host count determines the smallest suitable subnet.
TExam Day Tips
→Write the block size before choosing the subnet.
→Check whether the question asks for hosts, subnets or a specific address range.
→Do not confuse /24, /25, /26 and /27 host counts.
Key takeaway
Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
Real-world example
How this comes up in practice
A network engineer segments a warehouse floor into three subnets: 20 scanners, 5 printers, and 2 management hosts. Picking the wrong mask wastes addresses or leaves too few usable hosts. Exam questions test whether you can apply CIDR notation, calculate block size, and identify the correct usable-host range for a given prefix.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 220-1201 question in full detail.
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related 220-1201 subnetting questions on CIDR, address ranges, and subnet selection.
Printer Troubleshooting — This question tests Printer Troubleshooting — CIDR notation defines the prefix length..
What is the correct answer to this question?
The correct answer is: The printer's embedded web server is disabled — If printing works but the web interface is inaccessible, the printer's network settings are likely correct, but the web server service may be disabled or blocked by a firewall. Many printers have a separate setting to enable the embedded web server. Checking the printer's menu or documentation is the next step.
What should I do if I get this 220-1201 question wrong?
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related 220-1201 subnetting questions on CIDR, address ranges, and subnet selection.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
CIDR notation defines the prefix length.
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