Study tips 600-601

which Layer would you troubleshoot a cabling issue?

which Layer would you check for spanning tree loops?

which Layer would you use trace route to validate the path?

which Layer would you check ACLs for TCP ports being blocked?

What two things does a router do when it forwards a packet?

Which three statements are true?

which IOS is running on the router?

What does the Cisco PSIRT issue for significant security issues that directly involve Cisco products and require an upgrade, fix, or other customer action?

What is a reason to use privileged EXEC mode on an industrial switch?

What is a reason to use user EXEC mode on an industrial switch?