Question 125 of 1,020

Network Types →easyMultiple ChoiceObjective-mapped

220-1101 Network Types Practice Question

This 220-1201 practice question tests your understanding of network types. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.

A customer reports that their smart TV, which is connected to the home network via Wi-Fi, can stream video from the internet but cannot access media files stored on a wired desktop PC in the same home. The TV and PC are on the same IP subnet. Which network type is most likely being used, and why does this cause the issue?

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.

Question 1easymultiple choice

Read the full wireless explanation →

A
Client-server network; the TV cannot authenticate to the server.
Why wrong: In a client-server network, a central server manages resources, but the scenario doesn't mention a server, and the TV can access the internet, so authentication is unlikely the issue.
B
Peer-to-peer network; the TV and PC may be in different workgroups or have disabled file sharing.
Peer-to-peer networks rely on each device sharing resources directly; mismatched workgroups or disabled sharing prevent local access while internet access remains unaffected.
C
Mesh network; the TV is connected to a different mesh node that blocks local traffic.
Why wrong: Mesh networks extend Wi-Fi coverage but do not inherently block local traffic between devices on the same subnet; this is a peer-to-peer sharing issue.
D
PAN network; the TV is using Bluetooth instead of Wi-Fi.
Why wrong: A PAN (Personal Area Network) uses Bluetooth or USB, but the TV is connected via Wi-Fi and can stream from the internet, so this is not a PAN.

Full breakdown with real-world context →

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Peer-to-peer network; the TV and PC may be in different workgroups or have disabled file sharing.

This scenario describes a peer-to-peer (P2P) network where devices communicate directly without a central server. The issue likely stems from the TV and PC using different workgroup names or file-sharing settings, which is common in P2P home networks. Understanding P2P vs. client-server helps troubleshoot local resource access problems.

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.

✗
Client-server network; the TV cannot authenticate to the server.
Why it's wrong here
In a client-server network, a central server manages resources, but the scenario doesn't mention a server, and the TV can access the internet, so authentication is unlikely the issue.
✓
Peer-to-peer network; the TV and PC may be in different workgroups or have disabled file sharing.
Why this is correct
Peer-to-peer networks rely on each device sharing resources directly; mismatched workgroups or disabled sharing prevent local access while internet access remains unaffected.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
CIDR notation defines the prefix length.
✗
Mesh network; the TV is connected to a different mesh node that blocks local traffic.
Why it's wrong here
Mesh networks extend Wi-Fi coverage but do not inherently block local traffic between devices on the same subnet; this is a peer-to-peer sharing issue.
✗
PAN network; the TV is using Bluetooth instead of Wi-Fi.
Why it's wrong here
A PAN (Personal Area Network) uses Bluetooth or USB, but the TV is connected via Wi-Fi and can stream from the internet, so this is not a PAN.

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.

Trap categories for this question

Scenario analysis trap
In a client-server network, a central server manages resources, but the scenario doesn't mention a server, and the TV can access the internet, so authentication is unlikely the issue.

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.

What to study next

Got this wrong? Here's your next step.

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.

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FAQ

Questions learners often ask

What does this 220-1201 question test?

Network Types — This question tests Network Types — CIDR notation defines the prefix length..

What is the correct answer to this question?

The correct answer is: Peer-to-peer network; the TV and PC may be in different workgroups or have disabled file sharing. — This scenario describes a peer-to-peer (P2P) network where devices communicate directly without a central server. The issue likely stems from the TV and PC using different workgroup names or file-sharing settings, which is common in P2P home networks. Understanding P2P vs. client-server helps troubleshoot local resource access problems.

What should I do if I get this 220-1201 question wrong?

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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