Monthly Archives: January 2000

CCENT & CCNA Exam Question – Collision & Broadcast Domains

As we venture into today’s Cisco CCENT and CCNA exam scenario based question we will be covering the topic of collision and broadcast domains.  It will be very common for you to see on the CCNA or CCENT exam questions in which you need to identify the number of collision and broadcast domains based upon

DIY CCNA Lab Kit Video

Hi, welcome to the Certification Kits presentation on how to build your very own CCENT/ CCNA home lab. A common question we get is, how many routers to I really need in my lab? As you can see on the slide on the screen, one router will give you the ability to run the commands

CCENT / CCNA STP Exam Question

For today’s CCENT / CCNA certification exam topic we are going to cover Spanning Tree Protocol.  STP is one of the more confusing topics you may encounter on the CCENT and CCNA exams.  I think most of the reason STP is a difficult topic for most is that the student is suffering from information overload

Cisco ASA 5500 Series Compromised by NSA JETPLOW backdoor exploit?

It looks like some recent NSA document leaks may suggest that the Cisco PIX and ASA firewalls have the ability to be compromised by the NSA.  It appears that a firmware implant for both the ASA and PIX devices called JETPLOW can be deployed on a firewall target with an exfiltration path to the NSA's

NSA Upgrade Process for Cisco Equipment With Pictures!

Are you curious how high tech the NSA (National Security Agency) factory was for installing their backdoor implants into Cisco and other company routers, switches, firewalls and the such?  Well from the looks of the recent photos released from the book No Place to Hide by Glenn Greenwald, not too much.  I am sure there

CCENT & CCNA Inter-VLAN Exam Question

For today’s Cisco Certified Entry Network Technician (CCENT) and Cisco Certified Network Associate (CCNA) exam question topic today we will be covering Inter-VLAN Routing and how it works. The topic is not too hard, but you will see a lot of scenario questions about Inter-VLAN routing on the exam.  Most of them will have a

CCNA & CCENT Practice Exam Question – Switching

Today’s CCENT & CCNA exam prep question will be on the topic of switching.  We are going to teach you how to read exhibit outputs. Back in 1999 when I first took my CCNA exam, switching was only about 15% of the exam and the CCNA questions on switching were very easy.  Simple things like

CCENT & CCNA RSTP Exam Question

One of the new topics on the revised Cisco Certified Network Associate 200-120 and Cisco Certified Entry Networking technician 100-101 exam is Rapid Spanning Tree Protocol.  This is an enhancement to Spanning Tree Protocol as the world of networking technologies continue to evolve.  So for most CCNA candidates STP was difficult and confusing enough.  Now

CCENT & CCNA Exam Topology Question

One of the reasons the CCENT (Cisco Certified Entry Networking Technician) and the CCNA (Cisco Certified Network Associate) certifications are sought after by is they are not easy to obtain.  You have to show a real proficiency in networking and how the TCP/IP protocol works.  By passing these exams you demonstrate to employers that you

OpenSSL Heartbleed Vulnerability & Mitigation on Cisco Products

So as we dig deeper into the OpenSSL Heartbleed vulnerability, it has come to light that both Cisco and Juniper products have been compromised.  The OpenSSL flaw will let the bad guys work around the security of the SSL protocol and possibly gain access to things like your user names, password, credit card data and