CertificationKits Blog

First of all, we would like to welcome you again to a new article from our Cisco CCNA exam preparation series. Today we will study the Spanning-tree Protocol (STP). Spanning-tree Protocol (STP) is a link-layer protocol. STP allows you to add redundant links to your network and maintain a loop-free topology. In your preparation for

As you may have heard, Cisco has recently announced that they will be retiring the current CCNP exam and it will be replaced with a new CCNP Routing & Switching exam.  The current exam consists of the ROUTE 642-902, SWITCH 642-813 and TSHOOT 642-813 exams.  You will be able to take these exams until January