How to check Wi-Fi coverage for a remote exam

Your Wi-Fi works in the living room, but the room you plan to use for a remote exam may be farther from the router or behind thicker walls. A connection can look fine at one spot and still pause or become inconsistent at your desk.

Check the connection in the actual exam room, using the same computer and network you plan to use on test day. The Wi-Fi Signal tool measures response time, jitter, and lost requests, which can help you compare locations. It does not read Wi-Fi signal strength in dBm, but it shows how the connection behaves.

Check Wi-Fi in the room where you will take the exam

1. Open the Wi-Fi Signal tool on the device you will use for the exam. Connect it to the same Wi-Fi network you expect to use during the test.
2. Start the live measurement and leave it running for a few minutes. Keep the computer in the same place and orientation you expect to use during the exam.
3. Note the response time, jitter, and any lost requests. Response time is how long a request takes to get a reply. Jitter is how much that time varies from one request to another.
4. Repeat the check near the router, then at the exam desk. Use the same device and network each time, and compare the results rather than relying on one brief reading.
5. Run the test at a time when other people usually use the network, too. Streaming, downloads, and video calls can change connection quality, so testing only when the network is quiet may give you an incomplete picture.

Before settling on a room, check any connection requirements from your exam provider. A browser test can help compare rooms, but it cannot confirm that the exam platform will accept your connection or replace its official system check.

What the results mean

Response time stays steady and requests are not lost

This is a reassuring result for that location at that time. It does not guarantee that the connection will remain perfect throughout an exam, but a steady pattern is generally more useful than a single fast reading. Repeat the check at another time if your household network gets busy.

Response time jumps or jitter rises at the desk

The connection is less consistent in that spot. Walls, distance, interference, or other network activity may be involved. Compare it with the reading near the router. If the nearby result is steadier, the exam room's location or Wi-Fi coverage may be part of the problem.

Requests are lost, or the connection pauses

Repeated losses mean the tool did not get replies for some requests. This can point to a connection problem, but it does not prove that the Wi-Fi signal alone is at fault. A busy router, an internet service interruption, or other network conditions can also affect the result. Repeat the measurement and note whether the issue happens in one room or in several.

Improve the connection before exam day

1. Pause other network activity. Stop large downloads, cloud backups, and video streams on your devices while you check the room again. Ask other people in the home to pause heavy use during the exam if possible.
2. Check that the computer is on the intended network. On Windows 11, open Settings › Network & internet › Wi-Fi. On a Mac, open System Settings › Wi-Fi. Confirm the network name and reconnect if needed.
3. Move closer to the router. If the exam desk can be moved, try a location with fewer walls between the computer and router. Keep the router in an open, raised position instead of inside a cabinet or behind large furniture.
4. Try another Wi-Fi band if your router offers one. A 5 GHz network can work well nearby, while 2.4 GHz may reach farther through walls. The better option depends on your room and router. After switching, run the same check again at the desk.
5. Use a wired connection if the exam rules allow it. Ethernet avoids the wireless link between your computer and router. Recheck the connection after connecting, since the internet service and router can still have problems.
6. Restart the router and computer if results remain poor. Restarting can clear a temporary connection problem. Once they reconnect, repeat the check from the exam room and verify the exam provider's system check again.

If you plan to use a phone hotspot, test that exact setup in the exam room and check the provider's rules first. On an iPhone, open Settings › Personal Hotspot. On Android, hotspot controls are usually under Settings › Network & internet › Hotspot & tethering, though names vary by device. Cellular coverage can change from room to room, so test at the desk rather than assuming the phone's signal elsewhere will match.

Why Wi-Fi bars are not enough

The number of bars is a rough visual indicator, not a measurement of how well an exam connection will behave. A browser cannot read the Wi-Fi radio's signal strength in dBm. Instead, the Wi-Fi Signal tool measures effects on the connection, including response time, jitter, and lost requests. Those measurements can reveal instability, but they do not identify the exact cause or guarantee a particular exam platform will work.

For a fair comparison, keep the same laptop, network, and test conditions, and change only the location. If the exam room repeatedly shows more jitter or lost requests than the area near the router, try a different position and test again before exam day.