An Access Control List (ACL) is a list of rules that control and filter traffic based on source and destination IP addresses or Port numbers. This happens by either allowing packets or blocking packets from an interface on a router, switch, firewall etc. Individual entries or statements in an access lists are called access control […]
10 Best Network Engineer Certifications to Pursue for Your Career
Like all other areas in the field of Information Technology, networking is growing fast, and there’s a necessity for qualified professionals with the knowledge necessary to keep networks up and running, secure, and reliable. But even in the world of networking, there are a plethora of specializations an individual can take. One can choose to […]
6 Practice Lab Options for CCNA CCNP CCIE
Cisco is continuously developing new versions of its Certification Exams and adds more and more practical requirements in the syllabus. For the CCNA, you can pass the exam without much practical experience, but for the Professional and Expert Level certifications (CCNP, CCIE), having hands on experience on Cisco equipment (or labs) is required if you […]
What is Unicast, Broadcast and Multicast
For a CCNA certification exam you must be prepared to answer questions about three important networking concepts, Unicast, Broadcast and Multicast. Even if these terms can be pretty confusing at the beginning, they are actually not that complicated. Learn how to keep them straight, along with other vital CCNA exam information. At the beginning of […]
Some Questions and Answers about the Cisco CCNA Exam
The CCNA certification exam is surrounded by many myths and mysteries that are maybe the result of the information overload and excessive literature, books and opinions out there. In this post I will try to dispel some of these myths and answer some questions that many people have about the test. NOTE: If you want […]
What is Address Resolution Protocol-ARP
ARP (Address Resolution Protocol) is a Layer2 protocol that is used to translate IP addresses (layer 3 in OSI model ) to MAC addresses (layer 2 in OSI model ), and is used when two hosts on a Local Area Ethernet Network want to communicate with each other. Of course ARP is used in other […]
Cisco Training – Configuring Routing Information Protocol (RIP)
This routing protocol, also known as RIP, is a dynamic routing protocol which is utilized in both local area and wide area networks. It is classified as distance vector protocol. The metric to calculate the distance between a source and a destination network is hop count. The routing information protocol has had several revisions thus […]
A brief overview of CCNA Certification
Do you want to learn how to install, configure and maintain computer networks? Are you looking to develop your professional skills in networking and to demonstrate your expertise or enhance your credibility? Then a Cisco Certified Network Associate (CCNA) certification is an excellent choice for you as an entry level professional. The knowledge that you […]
Understanding the Transport Layer and Port Numbers CCNA Tutorial
This is another CCNA exam preparation tutorial about the Transport Layer of the TCP/IP suite. Understanding the purpose and functionality of the Transport Layer (Layer 4 in the OSI model) is fundamental for understanding how data is transmitted in network environments. When preparing for the Cisco CCNA 200-301 exam, you need to have strong knowledge […]
Trainsignal CCNA and CBT Nuggets CCNA Training-Two Great Options
In my workplace (I work in an ISP provider in Europe) we always encourage junior network engineers to follow a Cisco certification path, either through the Routing and Switching path or other important technology paths such as network security and VoIP. I have been in this industry for more than a decade and I firmly […]
Best Way to Study for Your CCNA Certification
If you’re wondering what the best way to study for you CCNA certification is, then this article will give you the best possible ways in which to map out the learning materials. In order to give yourself the best chances of successfully passing the CCNA certification program, then setting up a proper study routine is […]
Cisco Online Training
Junior networking engineers often seek to earn a Cisco professional certification (CCNA, CCNP, CCSP etc) in order to prove their knowledge and get a better status in their career. I believe this is a wise move for network professionals since the journey you go through for obtaining your certification will teach you all necessary theory […]