Troubleshooting Networks - Performance Issues Flashcards
Network performance Issues
Manifesting the slow down of network
Mismatch in the duplex setting
Half Duplex
-Network that sends or receives information (Can only do one at a time!)
-Half duplex is the standard in hubs and networks
Full Duplex
-Network that sends or receives information at the same time
Network interface cards are ser to auto negotiation
Mismatch in the speed setting
Components fail the auto negotiation and transmit at a lower speed rate than they should
Network adapter drivers are out of date
Drivers in NICs might be out of date, which can lead to performance issues
Malware infection
Malwares can eat processes in the background
Data exfiltration is sending data in the background without the user seeing it.
Single Client
Look for the individual duplex settings, speed settings, network adapter drivers, and malware
Network Segment
Look for the single switch settings
Entire Network
Look for the router, gateway, or firewall