How should I use these Networking practice questions?

Read each scenario carefully and choose your answer before revealing the explanation. Then check why your choice was right or wrong. Repeat until the reasoning feels automatic.

Can I practise just Networking questions in a focused session?

Yes — use the session launcher on this page to start a 10-, 20-, 30- or 50-question session drawn entirely from the Networking domain.

220-1201 · topic practice

Networking practice questions

Practise CompTIA A+ Core 1 220-1201 Networking practice questions — original exam-style scenarios with answer choices, explanations, and analysis of common mistakes.

Courseiva uses original exam-style practice questions designed for learning and revision. The goal is to understand the concepts, recognise exam patterns, and improve through explanations — not memorise copied exam dumps.

Reviewed byJohnson Ajibi· MSc IT Security

8 questionsDomain: Networking

Practice 10 questions Browse domain →

What the exam tests

What to know about Networking

Networking questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

Watch out for

Common Networking exam traps

▸Answering from memory before reading the full scenario.
▸Missing a constraint such as cost, availability, security, scope or command context.
▸Choosing a broad answer when the question asks for the most specific fix.
▸Ignoring why the wrong options are tempting.

Practice set

Networking questions

8 questions · select your answer, then reveal the explanation

Question 1hardmultiple choice

Read the full Networking explanation →

A technician is configuring a kiosk that uses a tablet to display digital signage. The tablet must be powered continuously and connected to a wired network for reliability. The tablet has a single USB-C port. How should the technician provide both power and network connectivity?

Trap 1: Use a USB-C to Ethernet adapter and charge the tablet wirelessly.

Wireless charging is inefficient and may not provide continuous power; also, the tablet may not support it.

Trap 2: Use a Wi-Fi connection and a standard USB-C charger.

This provides power but not wired network reliability; the scenario specifically requires wired network.

Trap 3: Connect the tablet to the network via Bluetooth tethering to a…

Bluetooth tethering is slow and unreliable for digital signage; also, it does not provide power.

Study all Networking common traps →

A
Use a USB-C to Ethernet adapter and charge the tablet wirelessly.
Why wrong: Wireless charging is inefficient and may not provide continuous power; also, the tablet may not support it.
B
Connect a USB-C hub that provides both Ethernet and Power Delivery charging.
A USB-C hub with PD pass-through allows the tablet to be charged while using wired Ethernet.
C
Use a Wi-Fi connection and a standard USB-C charger.
Why wrong: This provides power but not wired network reliability; the scenario specifically requires wired network.
D
Connect the tablet to the network via Bluetooth tethering to a phone.
Why wrong: Bluetooth tethering is slow and unreliable for digital signage; also, it does not provide power.

Full breakdown with real-world context →

Question 2easymultiple choice

Read the full wireless explanation →

A small office experiences intermittent Wi-Fi drops on laptops but not on desktops connected via Ethernet. The wireless network uses 2.4 GHz. Which of the following is the MOST likely cause?

Trap 1: The access point is overheating.

Overheating would likely affect all devices, not just wireless laptops, and is less common than interference.

Trap 2: The laptops have outdated Bluetooth drivers.

Bluetooth also uses 2.4 GHz but driver issues would not cause intermittent drops across multiple laptops consistently.

Trap 3: The Ethernet switch is failing.

A failing switch would affect all devices, including desktops, and is unrelated to wireless-only issues.

Study all Networking common traps →

A
The access point is overheating.
Why wrong: Overheating would likely affect all devices, not just wireless laptops, and is less common than interference.
B
A microwave oven is operating near the access point.
Microwave ovens operate at 2.4 GHz and can cause significant interference, leading to intermittent drops on Wi-Fi but not on wired connections.
C
The laptops have outdated Bluetooth drivers.
Why wrong: Bluetooth also uses 2.4 GHz but driver issues would not cause intermittent drops across multiple laptops consistently.
D
The Ethernet switch is failing.
Why wrong: A failing switch would affect all devices, including desktops, and is unrelated to wireless-only issues.

Full breakdown with real-world context →

Question 3mediummultiple choice

Read the full wireless explanation →

A customer reports that their laptop frequently disconnects from the Wi-Fi in their home office, but works fine in other rooms. The office is located in a detached garage, and the wireless router is in the main house. Which wireless networking technology would best solve this issue without running cables?

Trap 1: 5 GHz frequency band

5 GHz has shorter range and is worse at penetrating walls, so it would not improve connectivity to a detached garage.

Trap 2: Powerline networking adapters

Powerline uses electrical wiring, not wireless, and may not work reliably across separate buildings on different electrical panels.

Trap 3: 802.11ac standard

802.11ac operates mainly on 5 GHz and offers high speed but not the extended range needed for this scenario.

Study all Networking common traps →

A
5 GHz frequency band
Why wrong: 5 GHz has shorter range and is worse at penetrating walls, so it would not improve connectivity to a detached garage.
B
Wireless mesh network
Mesh networks use multiple access points to blanket an area with seamless coverage, perfect for extending Wi-Fi to a separate building.
C
Powerline networking adapters
Why wrong: Powerline uses electrical wiring, not wireless, and may not work reliably across separate buildings on different electrical panels.
D
802.11ac standard
Why wrong: 802.11ac operates mainly on 5 GHz and offers high speed but not the extended range needed for this scenario.

Full breakdown with real-world context →

Question 4mediummultiple choice

Read the full Networking explanation →

A technician is deploying a new network in a warehouse and needs to connect two separate switches that are 120 meters apart. The cable run must support 1 Gbps speeds. Which networking hardware component should be used to ensure reliable connectivity?

Trap 1: Use a single 120-meter Cat6 cable.

Cat6 cable is limited to 100 meters for 1 Gbps; exceeding this distance will cause signal degradation and loss of connectivity.

Trap 2: Use a fiber optic cable with media converters on both ends.

Fiber optic cable can cover 120 meters easily, but this option is more expensive and complex than necessary. It is a valid solution but not the most straightforward for the scenario.

Trap 3: Replace one switch with a hub to increase signal strength.

A hub does not regenerate signals as effectively as a switch and would cause collisions and performance issues. It is not a recommended solution for extending distance.

Study all Networking common traps →

A
Use a single 120-meter Cat6 cable.
Why wrong: Cat6 cable is limited to 100 meters for 1 Gbps; exceeding this distance will cause signal degradation and loss of connectivity.
B
Install a switch at the 60-meter midpoint and use two Cat6 cables.
A switch can regenerate the signal, allowing two 60-meter cable runs to connect the switches, staying within the 100-meter limit per segment.
C
Use a fiber optic cable with media converters on both ends.
Why wrong: Fiber optic cable can cover 120 meters easily, but this option is more expensive and complex than necessary. It is a valid solution but not the most straightforward for the scenario.
D
Replace one switch with a hub to increase signal strength.
Why wrong: A hub does not regenerate signals as effectively as a switch and would cause collisions and performance issues. It is not a recommended solution for extending distance.

Full breakdown with real-world context →

Question 5hardmultiple choice

Read the full NAT/PAT explanation →

A network engineer is designing a new data center and needs to connect multiple servers to a core switch with redundant paths. To prevent loops while allowing failover, which networking hardware feature should be implemented?

Trap 1: Enable Link Aggregation Control Protocol (LACP) on the server…

LACP combines multiple links for increased bandwidth and redundancy, but it does not prevent loops on its own. STP is still needed to manage redundant paths.

Trap 2: Use a hub instead of a switch for the core connection.

Hubs do not prevent loops and would cause collisions and performance issues. They are not suitable for data center networks.

Trap 3: Configure all switch ports as access ports.

Access ports are for end devices and do not affect loop prevention. Redundant links would still cause loops without STP.

Study all Networking common traps →

A
Enable Link Aggregation Control Protocol (LACP) on the server connections.
Why wrong: LACP combines multiple links for increased bandwidth and redundancy, but it does not prevent loops on its own. STP is still needed to manage redundant paths.
B
Enable Rapid Spanning Tree Protocol (RSTP) on all switches.
RSTP provides loop prevention and fast convergence in case of link failure, making it ideal for redundant network designs.
C
Use a hub instead of a switch for the core connection.
Why wrong: Hubs do not prevent loops and would cause collisions and performance issues. They are not suitable for data center networks.
D
Configure all switch ports as access ports.
Why wrong: Access ports are for end devices and do not affect loop prevention. Redundant links would still cause loops without STP.

Full breakdown with real-world context →

Question 6easymultiple choice

Read the full DNS explanation →

A customer reports that their new laptop can connect to websites using IP addresses but cannot resolve domain names like 'www.example.com'. Which networking tool should be used to verify the DNS server configuration on the laptop?

Trap 1: ping 8.8.8.8

Ping tests basic connectivity to an IP address, not DNS configuration. It would succeed here, confirming the issue is DNS, not general connectivity.

Trap 2: nslookup www.example.com

Nslookup directly queries a DNS server for a domain. While useful for testing DNS resolution, it does not show the laptop's configured DNS servers unless you run it without arguments.

Trap 3: tracert 8.8.8.8

Tracert traces the route to an IP address, which is unrelated to DNS configuration. It would not reveal the DNS server settings.

Study all Networking common traps →

A
ping 8.8.8.8
Why wrong: Ping tests basic connectivity to an IP address, not DNS configuration. It would succeed here, confirming the issue is DNS, not general connectivity.
B
ipconfig /all
This command displays all network adapter details, including DNS server addresses. It is the correct tool to check if the laptop has a valid DNS server configured.
C
nslookup www.example.com
Why wrong: Nslookup directly queries a DNS server for a domain. While useful for testing DNS resolution, it does not show the laptop's configured DNS servers unless you run it without arguments.
D
tracert 8.8.8.8
Why wrong: Tracert traces the route to an IP address, which is unrelated to DNS configuration. It would not reveal the DNS server settings.

Full breakdown with real-world context →

Question 7mediummultiple choice

Read the full NAT/PAT explanation →

A technician is troubleshooting a network issue where a user's computer can access local resources but cannot reach the internet. The user's cable is connected to a wall jack that leads to a patch panel in the server room. The technician tests the cable and finds it is wired as a crossover cable. What is the most likely impact?

Trap 1: The crossover cable will prevent any network connectivity.

Auto-MDIX on modern switches allows crossover cables to function normally, so this is not necessarily true.

Trap 2: The crossover cable will cause intermittent connectivity.

Intermittent issues are not typical of a crossover cable; it either works or doesn't.

Trap 3: The crossover cable will only work at 100 Mbps.

Crossover cables can support Gigabit speeds if properly constructed.

Study all Networking common traps →

A
The crossover cable will prevent any network connectivity.
Why wrong: Auto-MDIX on modern switches allows crossover cables to function normally, so this is not necessarily true.
B
The crossover cable will cause intermittent connectivity.
Why wrong: Intermittent issues are not typical of a crossover cable; it either works or doesn't.
C
The crossover cable is not the cause of the internet issue.
Since the user has local access, the crossover cable is functioning, and the internet issue is likely elsewhere (e.g., router, DNS).
D
The crossover cable will only work at 100 Mbps.
Why wrong: Crossover cables can support Gigabit speeds if properly constructed.

Full breakdown with real-world context →

Question 8mediummultiple choice

Read the full Networking explanation →

A technician is setting up a new network printer in a conference room. The printer has an RJ45 port for wired networking, but the only available wall jack is labeled with a different room number. The technician needs to connect the printer to the network. What is the best approach?

Trap 1: Connect the printer directly to the router using a long Ethernet…

This is not practical for a conference room and may create tripping hazards; it also bypasses the structured cabling.

Trap 2: Assume the jack is functional and connect the printer

Assuming functionality without verification could lead to connectivity issues if the jack is not properly patched.

Trap 3: Use a WiFi adapter for the printer instead

While this could work, the scenario specifies a wired connection, and the technician should first attempt to use the available wired infrastructure.

Study all Networking common traps →

A
Connect the printer directly to the router using a long Ethernet cable
Why wrong: This is not practical for a conference room and may create tripping hazards; it also bypasses the structured cabling.
B
Use a tone generator and probe to trace the wall jack to the patch panel
This tool allows the technician to identify which cable in the patch panel corresponds to the wall jack, enabling proper connection.
C
Assume the jack is functional and connect the printer
Why wrong: Assuming functionality without verification could lead to connectivity issues if the jack is not properly patched.
D
Use a WiFi adapter for the printer instead
Why wrong: While this could work, the scenario specifies a wired connection, and the technician should first attempt to use the available wired infrastructure.

Full breakdown with real-world context →

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Frequently asked questions

What does the 220-1201 exam test about Networking?: Networking questions test whether you can apply the concept in context, not just recognise a definition.
How should I use these practice questions?: Select your answer before revealing the explanation. Then read why each option is right or wrong — this active recall approach builds retention far faster than re-reading notes.
Can I practise just Networking questions in a focused session?: Yes — the session launcher on this page draws every question from the Networking domain. Use a 10-question session first to gauge your baseline, then move to 20 or 30 once the weak spots are clear.
Where can I practise other 220-1201 topics?: Use the topic links above to move to related areas, or go back to the 220-1201 question bank to see all topics.
Are these real exam questions or dumps?: These are original practice questions written to test the same concepts the 220-1201 exam covers. They are not copied from any real exam or dump site.

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Mixed 220-1201 session

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A free account saves results across sessions and highlights which topics need work.

Study resources

All 220-1201 questions Networking domain overview 220-1201 exam guide

Exam traps to avoid

▸Answering from memory before reading the full scenario.
▸Missing a constraint such as cost, availability, security, scope or command context.
▸Choosing a broad answer when the question asks for the most specific fix.
▸Ignoring why the wrong options are tempting.

Networking practice questions

What to know about Networking

Common Networking exam traps

Networking questions

A technician is configuring a kiosk that uses a tablet to display digital signage. The tablet must be powered continuously and connected to a wired network for reliability. The tablet has a single USB-C port. How should the technician provide both power and network connectivity?

A small office experiences intermittent Wi-Fi drops on laptops but not on desktops connected via Ethernet. The wireless network uses 2.4 GHz. Which of the following is the MOST likely cause?

A technician is deploying a new network in a warehouse and needs to connect two separate switches that are 120 meters apart. The cable run must support 1 Gbps speeds. Which networking hardware component should be used to ensure reliable connectivity?

A network engineer is designing a new data center and needs to connect multiple servers to a core switch with redundant paths. To prevent loops while allowing failover, which networking hardware feature should be implemented?

A customer reports that their new laptop can connect to websites using IP addresses but cannot resolve domain names like 'www.example.com'. Which networking tool should be used to verify the DNS server configuration on the laptop?

A technician is setting up a new network printer in a conference room. The printer has an RJ45 port for wired networking, but the only available wall jack is labeled with a different room number. The technician needs to connect the printer to the network. What is the best approach?

Track your progress over time

Start a Networking only practice session

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Frequently asked questions

Track your progress

Study resources

Exam traps to avoid