A common question many students have as they start their Cisco journey is whether or not they need to have a home lab. This is actually a great question and if you ask 10 different people you will probably get 10 different answers. But I will try to give you my perspective on it as […]
As you prepare for your CCNA certification exam, you will be called upon to merge multiple concepts you learned into one exam question. This is one of the things that really sets the CCENT (Cisco Certified Entry Networking Technician) and CCNA (Cisco Certified Network Administrator) certifications a step above A+, Net+ or Microsoft certifications which […]
As you prepare for your Cisco CCENT (Cisco Certified Entry Networking Technician) or CCNA (Cisco Certified Network Administrator) exam you will definitely hear time and time again that you have to know subnetting inside and out to be able to pass the exam. Not only do you need to be able to answer the straight […]
Overview Ipv6 is one of the most emerging technologies in networks. IPv4 addresses are almost exhausted and as such there is need for a new and better solution. In this chapter on IPv6, which is the last chapter of this CCNA training course we will look at the concepts behind this protocol, we will learn […]
Overview In the previous chapter, we learnt how NAT is important in helping devices in a network access the internet, we also looked at DHCP and how it helps in automatic ip configuration on hosts as well as the use of ACLs in filtering traffic in our networks. In this chapter, we will look at […]
Overview In the last chapter, we discussed network security and saw its importance in our networks. In this chapter, we will delve into the world of ACLs, in part 1, we will look at the ACL concepts as well as configuring standard ACLs. In part 2 of this chapter, we will continue with configuration but […]
Overview In the last chapter, we looked at frame relay and discussed its importance in the WAN. In this chapter, we will look at some network security concepts that are vital in today’s world. We will look at some of the risks as well as the ways we can secure our devices, we will also […]
Overview In part one of this chapter, we looked at the concepts behind frame relay operation. We discussed the role of the PVC’s, DLCI mapping, inverse ARP among other topics. In part two of this chapter, we will discuss more advanced frame relay concepts and finally look at the commands used to troubleshoot frame relay. […]
Overview In part 1 and 2 of this chapter, we focused on 802.1D STP, in this chapter, we continue with STP but we will focus on the different variations of STP mainly; PVSTP and RSTP. We will begin with the concepts that make these protocols different from 802.1D STP, then we will configure PVSTP and […]
Overview in the previous chapter, we looked at the role of redundancy in the network and the prevention of loops in redundant LANs using STP. In this chapter, we will look at how we can utilize the links between our switches more effectively even in a network that STP has blocked links on. We will […]