One way to boost network security is to use Cisco's Port Security feature to lock down switch ports. Learn the basics of port security, and find out how to configure this feature. A growing challenge ...

Excerpt from CCNA Practice Questions (Exam 640-802), 3rd Edition. Select the appropriate media, cables, ports, and connectors to connect switches to other network devices and hosts. Explain the ...

Five things you should know about configuring a Cisco IOS switch Your email has been sent Once you're ready to make the jump to a more sophisticated switch, what do you need to know? Let's answer some ...

Cisco is patching holes in software for Nexus 3000, 3500, 7000, 9000 switches and for Firepower 4100 Series next-generation firewall and Firepower 9300 security appliance. Cisco has bundled 25 ...