Here's a brand-new CCNA and CCENT practice exam for you!

With 74 days to the Sept. 30 deadline, let's get in all the work we can!  :)

CCNA / CCENT Practice Exam Question 1:

Read this Cisco port security config written for interface fast 0/2 and identify the true statements.

switchport port-security

switchport port-security maximum 2

switchport port-security mac-address aaaa.aaaa.aaaa


A.  Port security will not work - this is an invalid configuration.


B.  The mac address "aaaa.aaaa.aaaa" will be considered secure.


C.  The next source MAC address seen by that switch port will be considered "sticky".


D.  The port will be shut down when any frames come in on that port, regardless of source MAC address.


Question 2:

Identify the defaults for Cisco port security.

A.  Mode

B.  Number of secure MAC addresses

C.  Enabled / disabled



Question 3:

A port has been shut down by Cisco port security. Which of the following is true of that port?

A.  Line protocol will be down.

B.  Physical status will be "administratively down".

C.  Will be "err-disabled".

D.  Will be "root-inconsistent".





The answers are right after this quick, important message regarding the CCNA exam change!

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______________________________


And now -- the answers!

Question 1:

Correct answers are B and C.  With the max number of MAC addresses set to two and only one secure static address defined, that means the next dynamically learned address ("sticky") will also be considered secure.


Question 2:

The default Cisco port security mode is "shutdown", the default number of secure MAC addresses is one, and port security is disabled by default on all ports.


Question 3:

Correct answers are A and C.  The line protocol will be down, the physical interface will be down (not administratively down - that only happens when we shut the port manually), and the port will be error-disabled.


See you Friday with more!

Chris B.