site_logo

Previous Next


  1. Network+ Practice Tests
  2. Network+ Lab Simulator
  3. Network+ LabSim w/ ExamSim
  4. Network+ Cram Notes

5.0 Network+ Certification Cram Notes : Network Troubleshooting

5.4 Troubleshooting common wireless connectivity issues

Troubleshooting common wireless connectivity issues involves identifying and resolving issues related to the wireless network. The following steps can help in resolving these issues:

1. Identifying the Problem: The first step is to identify the problem, which can be done by checking the device status, connection status, and network availability.

2. Gathering Information: Gather information about the network, such as the network name (SSID), password, and network security type.

3. Checking Interference: Check for interference from other wireless devices or signals, such as microwave ovens, cordless phones, and Bluetooth devices.

4. Verifying Wireless Settings: Verify that the wireless device is configured properly, including the correct SSID, password, and security type.

5. Updating Drivers: Make sure the device drivers are up-to-date and compatible with the wireless network.

6. Checking Network Settings: Verify that the network settings are correct, including the IP address, subnet mask, and default gateway.

7. Checking the Router: Check the router's settings and verify that it is broadcasting the correct SSID and security type.

8. Restarting Devices: Restart the wireless device and the router to clear any temporary network issues.

9. Checking Physical Connections: Check the physical connections of the wireless device, such as the antenna and cables, to make sure they are connected properly.

10. Updating Firmware: Check for firmware updates for the wireless device and the router and install any available updates.

These are some of the common steps that can be taken to troubleshoot wireless connectivity issues. It is important to isolate and resolve the issue as soon as possible to ensure the smooth functioning of the wireless network.

Explain the following Specifications and limitations when troubleshooting wireless connectivity

Throughput refers to the amount of data that can be transmitted over a network in a given time. When troubleshooting wireless connectivity, it's important to consider the expected throughput of the network and compare it to the actual performance to identify any potential issues.

Speed is another important consideration, as it determines how quickly data can be transmitted over the network. If the speed of the network is slower than expected, it could indicate a problem with the wireless infrastructure or the devices connected to the network.

Distance is also a key consideration, as the strength of the wireless signal can degrade over distance. This can cause connectivity issues, so it's important to understand the maximum coverage range of the wireless network and the location of the devices connected to the network.

Received signal strength indication (RSSI) signal strength measures the power of the wireless signal received by a device. A low RSSI can indicate that the wireless signal is weak, which can cause connectivity issues.

Effective isotropic radiated power (EIRP) or power settings determine the strength of the wireless signal being transmitted by an access point. If the EIRP is set too low, it can cause issues with the wireless network's range and coverage, so it's important to ensure that these settings are configured correctly.

Wireless connectivity Considerations

1. Antennas: Antennas play a crucial role in wireless connectivity as they are responsible for transmitting and receiving signals between devices. There are several types of antennas such as omnidirectional, directional, and patch antennas, each with its own unique set of characteristics and capabilities.

2. Placement: Antennas should be placed in a location that provides optimal coverage for the devices they serve. Factors such as building structure, interference from other devices, and physical obstacles can all impact the quality of the wireless signal.

3. Type: The type of antenna used can also impact the quality of the wireless signal. For example, omnidirectional antennas provide 360-degree coverage, while directional antennas focus the signal in a specific direction.

4. Polarization: The polarization of an antenna refers to the orientation of the electric field in the radio waves it transmits. There are two types of polarization - horizontal and vertical. Horizontal polarization is commonly used in residential settings, while vertical polarization is often used in enterprise settings. Understanding the type of polarization used can help resolve issues with wireless connectivity.


Previous Next



simulationexams.com ad

certexams.com ad