Wednesday, January 22, 2014

It's January 22, and don't tell anyone, but I think I'm finally over that incredibly nasty cold.   

My condolences to anyone else who has this sucker right now. 

With that said, let's get back to the business of earning our CCENT and CCNA in 2014!

Here's a new set of CCENT and CCNA Flash Card practice exam questions for you to help you do just that, and I've posted some bonus videos as well.   

Allow me to take a moment to thank you for making my three CCNA Success books on Amazon into Amazon Bestsellers...

... and if you don't have yours yet, take a moment and make it happen right now!   No Kindle required - just use any of the free Kindle Apps!

Get an additional 150+ binary and subnetting practice questions for about three cents each with my Binary Math Success ebook!

Let's get to today's Flash Card questions!

1.  What's indicated by the Frame Relay acronym "DE"?

2.  This particular type of Frame Relay message is exchanged by the DTE and DCE, and is the keepalive for Frame Relay.

3.  If there's a mismatch with the message type mentioned in Question 2,  "show interface serial" will indicate what status regarding the physical and logical state of the interface?

4.  The binary string representing the decimal 211.

5.  The decimal represented by the binary string 00110011.

Answers right after this important message about your CCENT and CCNA exam success in 2014!

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And now... the answers!

1.   The Frame Relay acronym "DE" stands for Discard Eligible.  When a frame has the DE bit set, that means this frame can be dropped when the congestion level demands that some traffic be dropped.

2.  The Local Management Interface (LMI) is exchanged between our DTE and DCE, and if that LMI isn't successfully exchanged, the line protocol will drop....

3.   ... and "show interface serial" will display "Serial0 is up, line protocol is down" as a result.

4.  For 211, the binary string will have the 128, 64, 16, 2, and 1 bits set, so it'll read 11010011.

5.   The string 00110011 has the 32, 16, 2, and 1 bits set.  Just add 'em up and you have 51.

See you later today with a new video!

Chris B.

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