Confidently follow learning paths that help you develop the right skills in the right order to achieve your goals.
The CCENT is an industry standard certification that demonstrates competency in data networking operation, and the technical language used to describe it. To earn the CCENT certification, you must pass the Interconnecting Cisco Network Devices 1 (ICND1) exam.
This path is based off of the ICND1 exam objectives, so this material can be used to prepare for the ICND1 exam or to simply learn the fundamentals of data networking.
If you are serious about beginning a career in data networking or are trying to engage in more advanced aspects of data networking, earning the CCENT certification is an incredibly valuable resource that will help you build the credentials needed to demonstrate competency.
After earning the CCENT credential, you can continue your training and complete the CCNA certification, as well.
Cisco CCNA: Security, Cisco CCNA: Data Center, Cisco CCNA: Collaboration, Network Analyst, Network Administrator, Network Engineer
To get the most out of this path, you should have an intermediate level knowledge of Windows 10 (or lower), and have had exposure to troubleshooting PC software and operating system issues.
This series of courses will help prepare you for the ICND1 exam, which will earn you the CCENT certification.
In this course, Introduction to Networking for Cisco CCNA 200-125/100-105, you will examine how basic human communication, like talking in person or on the phone, contains the same fundamental concepts used in moving data across a network. First, you will learn how to examine communication, and determine how to dissect it into components so it can be individually categorized and described. Next, you will learn how to break down communication into components, which will be of great benefit when understanding data networking, as there are many simple protocols which interact in complex ways. To accomplish this you will learn the TCP/IP and OSI models of networking, encapsulation, addressing, as well as what is called "chunks of information" at different points in the communication process. Finally you'll learn about the history and the birth of high speed data communications. By the end of this course, you'll know the OSI Model, TCP/IP Model, and you'll have an understanding of what encapsulation is as it relates to data networking.
As early as 1985, engineers knew there would be a shortage of IPv4 addresses before the end of the century. Over the next decade, engineers found a very clever solution to the problem, however it created a complex address. This course will go into extreme detail to describe the structure of an IPv4 address and its subnet mask counterpart. To do this, understanding binary numbers becomes very important. We will describe how binary numbers work, how to convert from decimal to binary and back again, as well as see how hexadecimal easily integrates into binary. This may sound daunting, however, we keep the content simple and easy to follow, so it is not overwhelming. After understanding binary and the structure of an IPv4 address, we will examine how to break a single IPv4 network into multiple IPv4 networks, understand the definition of a network address, broadcast address, and a host address. We will the examine how to calculate networks more efficiently using Variable Length Subnet Masking(VLSM), and to wrap up IPv4 addressing, we will take a simple IPv4 network, break it into 2 networks, and then observe its behavior across a router. Once we wrap up IPv4, we move into IPv6, and explain the nuances of this new and obscure looking address. We keep it as simple as possible, so you understand the structure and operation of the IP address, without getting bogged down in nuanced details, infrequently used in IPv6. We will wrap up IPv6 by learning how IPv6 networks are distributed to ISPs, customers, and finally customer sites.
Configuring a Cisco router is more than just entering commands. In order to properly understand what the configuration steps do, you need to have a basic understanding of the components of a router, including processor, memory, and input/outputs. In this course, Configuring a Cisco Router for Cisco CCNA 200-125/100-105, you will learn different types of memory and the files stored in them, the order in which the files are loaded, as well as the function of each file. First, you will walk though, step by step, the commands and their function to properly configure the basic features of the device. This includes setting a router name, securing user and privileged modes, enabling encrypted remote support via SSH, and applying IP addresses to interfaces so the router can pass traffic. Next, you will see a demonstration about configuring the router in a long form, and then redo the same configuration using tips, tricks, and shortcuts to speed up the process. Common errors, including errors made during the configuration, will be pointed out and discussed. You will wrap up the course by examining Internetworking Operating System (IOS) file names, demonstrating how to upgrade IOS, as well as how to access router configuration when you don't know the password. By the end of this course, you'll understand the commands required to bring a router online, allowing it to pass traffic from one interface to another, which will help you on your path to earning the CCNA.
Get a better understanding on how Ethernet operates and how to configure a Cisco switch. In this course, Network Interface Layer and Ethernet Operation for Cisco CCNA 200-125/100-105, you'll learn some network interface layer protocols but focus your attention on Ethernet and Ethernet switching. First, you'll learn the details of the types of cabling, fiber optics, and wireless technology used in data link layer protocols to move information. Then, you'll examine a variety of data link layer protocols and where they are used. You'll also look at the long history of Ethernet, and then examine the Ethernet frame header, the Ethernet Switch, and how a layer 2 broadcast message propagates through the network. Lastly, you'll see a detailed demonstration of a switch configuration as well as an examination of the behavior of hubs and switches in the same network, and what the MAC address table looks like on a series of switches connected together. By the end of this course, you'll have an in-depth understanding of Ethernet and how to configure a Cisco switch.
Troubleshooting can appear to be complex and mysterious. However, if you approach solving problems with an understanding of data networking and a method to work towards solution, troubleshooting can be more about persistence than anything magical. In this course, you will learn a methodology to approach troubleshooting, how to use the OSI and TCP/IP models to understand networked systems, and examine to approach solving IT problems with flexibility. You'll learn about CDP and LLDP and how to use these protocols to build a map of a network. Additionally, you'll understand the Cisco Design Model. Finally, you will see how to use ping and other utilities to investigate simple network issues, and see the error messages that occur from simple mistakes. By the end of this course, you'll have a solid understanding of the troubleshooting concepts covered on the Cisco CCNA 200-125 and 100-105 exams.
The entire purpose of a router is to move packets from one interface to another. This course will explain in detail how IPv4 and IPv6 routing works. You will start by learning how ARP operates, allowing IPv4 packets to be sent in an Ethernet frame. Next, you will examine how you can get IP packets off of a network by using the default gateway configuration on a PC, and then take a look at what happens after the router receives the packet, and uses a route to forward the message. This course will describe how to specify and configure static routes for both IPv4 and IPv6. Throughout the course, you will look at troubleshooting tools, how to use them to effectively troubleshoot a network, and wrap up the course by looking at how you can set up a redundant IPv4 network using static routes.
Routing protocols are used to exchange routing information between routers so that engineers do not need to maintain complex static routing plans. In this course, Introducing Dynamic Routing for Cisco CCNA 200-125/100-105, you will examine the different types of routing protocols and their operation. You will start with examining the behavior of a simple dynamic routing protocol, then examine RIP and OSPF. Next, you will implement OSPFv3 for IPv6 networks. Finally you will examine the OSPF neighbor table, OSPF link state data base, and routing table for both IPv4 and IPv6. By the end of this course, you'll be able to implement the OSPF routing protocol to allow your network to dynamically exchange routing information, and create a redundant network.
VLANs are a great concept and are widely used throughout the networking industry. The idea of a VLAN is simply that an administrator has the ability to configure a switch such that there are multiple broadcast domains enabled, and inter-broadcast domain communication is not allowed. Effectively a VLAN is a broadcast domain. In this course, Introducing VLANs for Cisco CCNA 200-125/100-105, you will examine VLANs, VLAN trunks, the layer 3 switch. You will also setup a problematic network, and make errors during configuration. Finally, you'll examine both how the network will behave and how to repair broken networks. After completing this course, you'll be ready to segment a network with a single switch using VLANs.
Switches are fantastic devices, allowing you to create VLANs, trunks, as well as offer fast and somewhat private communication. However, the basic nature of switch operation, as well as the advent of trunk links, VLAN tags and some backwards compatibility features, created some extra security risks that were not anticipated upon the advent of the technology. In this course, Securing the Switch for Cisco CCNA 200-125/100-10, you will start off by learning about frame double-tagging. Next, you'll move onto the native VLAN security issues and DTP. You'll wrap up the course with a demonstration of creating a secure base configuration for a switch. By the end of this course, you'll know how to put a secure base configuration on a switch, mitigating many layer 2 attacks against Ethernet.
TCP is used in nearly every transaction users have on a network. Surfing the web, checking your email, watching a streaming video, all use TCP as the transport layer protocol. TCP has a very precise operation, and understanding how it works leads to becoming a great network troubleshooter. In this course, TCP and UDP Operation for Cisco CCNA 200-125/100-105, you will learn about the TCP three-way handshake, port number addressing, and sequence and acknowledgment numbers used for reliable communication. Next, you explore at TCP's less reliable partner, UDP. Finally, you'll understand where UDP is used and why you use it. By the end of this course, you'll know how the TCP three-way handshake works, as well as how TCP uses sequence numbers to ensure successful data delivery.
In a business, the entire purpose of the data network is to make the business function more effectively through the use of software applications. In this course, Application Layer Protocols for Cisco CCNA 200-125/100-105, you will examine critical application layer protocols that both help keep the network running, as well as allow end users to easily access resources on the internal network as well as the Internet. Then, you'll learn about the application layer protocols that assist engineers in maintaining the function of a network efficiently, like DHCP, DNS, Syslog, and NTP. Engineers use these protocols to maintain networks, and create an effective user experience. Finally, you'll learn about the other application layer protocols, like HTTP and FTP, and how they are used by the users themselves to browse to websites or download files. By the end of this course, you will have the foundational knowledge of DHCP, DNS, FTP, HTTP, NTP, and Syslog. You will even learn how to investigate a strategy to mitigate rouge DHCP servers from attacking your network.
Access Control Lists (ACLs) are an important and useful tool on a data network. ACLs allow an administrator to select traffic and filter traffic as it flows through a network. In this course, Access Control Lists (ACLs) for Cisco CCNA 200-125/100-105, you will first examine how standard and extended IPv4 access lists operate. Next, you'll learn how to implement each type of list on a router. Finally you'll explore common errors and how to troubleshoot ACLs using Wireshark. By the end of this course, you will be able to write your own access control lists to filter whatever traffic you want to either permit or deny on your networks.
Network address translation (NAT) solves the problem of allowing a device with a non-routable, private IP address to get routed to the public Internet by allowing routers to manipulate the packet and segment headers. In this course, Network Address Translation (NAT) for Cisco CCNA 200-125/100-105, you'll learn all about how this works. First, you'll get an introduction to NAT, its history, and why it was developed. Next, you'll spend some time exploring the different types of NAT. Finally you'll learn how to implement and troubleshoot static NAT, dynamic NAT with overload, and port forwarding. By the end of this course, you will be able to implement all the different types of NAT in your environment.
The ICND1 exam is a tough exam and extensive studying and reviews are necessary to pass. In this course, Building and Troubleshooting a Network with ICND1 Skills for Cisco CCNA 200-125/100-105, you'll review all the exam topics for the ICND1 exam which will earn one the CCENT certification. First, you'll begin by creating study sheets, where it is encouraged that you write down and memorize before the exam. Next, you'll design a network, incorporating as many of the technical topics as possible from the ICND1 studies. Finally, you'll build and troubleshoot the network, with provided sample configurations to use in your own lab. By the end of this course, you should be ready to take the ICND1 exam to earn your CCENT certification.
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