Network Troubleshooting – 20 scenarios

A user cannot connect to the internet, but other devices on the same network can. What could be the problem?

• The user's device is not connected to the network.

• The network is down for all devices.

• The user's device has a hardware issue.

• The user's device is in airplane mode.

A computer receives an IP address in the format 169.254.x.x. What does this indicate?

• The computer is connected to a network with a DHCP server.

• The computer is using a static IP address.

• The computer is using an Automatic Private IP Addressing (APIPA).

• The computer is connected to the internet.

A website loads slowly on all devices connected to the network. What might be the cause?

• Network congestion

• Device malfunction

• Incorrect URL

• Outdated browser

A wired connection shows "Network Cable Unplugged." What should be checked?

• Check if the network cable is properly connected.

• Check if the Wi-Fi is turned on.

• Check if the computer is turned off.

• Check if the printer is connected.

A Wi-Fi connection is dropping intermittently. What are potential causes?

• Interference from other devices

• Weak signal strength

• Router malfunction

• All of the above

Devices on the same local network cannot ping each other. What could be the issue?

• Network cables are disconnected

• Firewall settings are blocking ICMP packets

• Devices are on different subnets

• All of the above

A user connects to Wi-Fi but gets a "No Internet Access" error. What might be wrong?

• The Wi-Fi network is down

• The user's device is in airplane mode

• The Wi-Fi password is incorrect

• The user's device is not compatible with the Wi-Fi network

A network printer is not reachable by other devices. What should be checked?

• Check the network cable connection

• Verify the printer's IP address

• Ensure the printer is powered on

• All of the above

A device connects to a network but cannot resolve website names (e.g., www.google.com). What’s likely the problem?

• The device is not connected to the internet.

• The DNS server is not responding.

• The IP address is incorrect.

• The network cable is unplugged.

Two devices are connected to the same switch but cannot communicate. What might cause this?

• Different VLANs

• Faulty cables

• Incorrect IP addresses

• All of the above