I assume that you are talking about Ethernet and FastEthernet devices. Auto-negotiation and auto-sensing features built into Ethernet hubs, switches and NICs can determine if a given link will operated at half or full duplex and 10 or 100 Mbps. To learn more, read this primer: http://inetd.com/CriticalNetworks/resources/speeduplex.htmlhttp://inetd.com/CriticalNetworks/resources/speeduplex.html.
Related Q&A from Lisa Phifer
The enterprise mobility management market for wearable devices is in its infancy, but IT can still use existing EMM tools to manage wearables.continue reading
Wireless expert Lisa A. Phifer explains to what extent WEP cracking remains a worrisome issue. It all depends on your company's WLAN security policy.continue reading
Wireless expert Lisa A. Phifer explains why you shouldn't stop using 802.1X authentication methods for enterprise WLAN access control.continue reading
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.