CCNA Exam Answers

1 Why is it useful categorize networks by size when discussing network design?
Knowing the number of connected devices will define how many additional layers will be added to the three-tier hierarchical network design.
Knowing the number of connected devices will define how many multilayer switches will be necessary at the core layer....

1. Users are reporting longer delays in authentication and in accessing network resources during certain time periods of the week. What kind of information should network engineers check to find out if this situation is part of a normal network behavior...

1.
Refer to the exhibit. Which two conclusions can be drawn from the syslog message that was generated by the router? (Choose two.)
This message resulted from an unusual error requiring reconfiguration of the interface.

1. How is “tunneling” accomplished in a VPN?
New headers from one or more VPN protocols encapsulate the original packets.
All packets between two hosts are assigned to a single physical medium to ensure that the packets are kept private.