Affiche CBT Nuggets CCENT & CCNA
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Saisons & épisodes Les résumés de tous les épisodes de CBT Nuggets CCENT & CCNA

S01E01 Welcome to Cisco CCENT! 00/00/0000 This opening video sets the expectations for the entire CCENT series as well as reviewing the Cisco certification track. Because Jeremy gives many certification exam tips and advice, it is recommended that you view this video once more after finishing the series.
S01E02 Foundations: What is a Network 00/00/0000 This video answers the question of "why": Why do we need a network? What does the network accomplish for us? Without understanding this foundation, the rest of the Cisco certification track will not make much sense.
S01E03 Foundations: Living in the OSI World 00/00/0000 If someone told you, "My car is broken," but was unable to expand on what exactly was broken, you wouldn't know where to begin looking for a solution. In the same sense, networks are an extremely complex system of communicating. The OSI Model holds the key to understanding the layers of network functionality. This video walks through both a logical and practical presentation of the OSI Model.
S01E04 Basic TCP-IP: Addressing Fundamentals 00/00/0000 We live in a TCP/IP world. Having a thorough understanding of this protocol is critical to your success in any network environment. This video breaks down the basics of TCP/IP and discusses concepts such as IP address format, public and private addressing, and address classes. Jeremy also walks you through the reasons why having TWO addresses is the key to successful network communication.
S01E05 Basic TCP-IP: TCP and UDP Communication 00/00/0000 Every network-aware application has a choice to make when it communicates across the network - TCP or UDP? This decision determines how reliable the data transfer will be. This video walks through the discussion of TCP and UDP, focusing specifically on TCP windowing, sequence numbers, and acknowledgements.
S01E06 Basic TCP-IP: Understanding Port Numbers 00/00/0000 Imagine that you wanted to see your friend, Dave, who lived in a house with 100 other people. As soon as you reached the house, you would open the door and yell, "I'M LOOKING FOR DAVE!!!" Port numbers do exactly the same thing for network communication between devices, allowing you to dictate what service you are trying to reach. This video gives practical examples of using TCP and UDP port numbers when communicating.
S01E07 Basic TCP-IP: The Tale of Two Packets 00/00/0000 To wrap up the section on Basic TCP/IP communication, Jeremy walks you through the "Tale of Two Packets." This gives a big picture perspective on local network communication (the Bob packet) and remote network communication (the Sally packet).
S01E08 LAN's: Welcome to Ethernet 00/00/0000 Ethernet defines the standard for LAN communication around the world. Because of this, it is critical to understand the fundamentals of how this "fabric of networks" operates. This video walks through the origins of the Ethernet standard, CSMA/CD (the rules of communication), and the architecture of a MAC address.
S01E09 LAN's: Understanding the Physical Connections 00/00/0000 If you've never experienced calloused fingers from crimping Ethernet cables, this video is for you. In it, Jeremy walks through the two primary physical standards of Ethernet: UTP and Fiber Optics, straight-through vs. crossover cables and an end-to-end picture of cabling in a corporate environment.
S01E10 LAN's: Understanding LAN Switches 00/00/0000 Ethernet's use of CSMA/CD allowed it to obtain much faster speeds than its competitor (token ring); however, it also led to many problems with collisions in larger networks. This video walks through the solution to those problems and lays the foundation understanding of how the network switch fits into our network environments.
S01E11 LAN's: Working with the Cisco Switch IOS 00/00/0000 Before you can jump right into setting up Cisco switches, you must understand how to work with Cisco's operating system: the IOS. This video walks you through the general navigation and help features of the IOS.
S01E12 LAN's: Initial Setup of a Cisco Switch 00/00/0000 With the IOS foundations in place, this video jumps straight into the initial configuration of a Cisco switch. In this video you will see the meaning of the physical LEDs on a switch, the initial boot process and configuration dialog and the configuration of a VLAN interface.
S01E13 LAN's: Configuring Switch Security, Part 1 00/00/0000 Network security has become such a major topic that Cisco has moved much of what used to be considered a CCSP (security professional) topic into the CCENT and CCNA certifications. This video discusses the initial security of your switch, primarily focusing on configuring passwords, logon banners and SSH.
S01E14 LAN's: Configuring Switch Security, Part 2 00/00/0000 The network security topics continue. In this video, Jeremy walks you through enabling port security for your network, which gives you complete control of the number and type of devices that attach to your network.
S01E15 LAN's: Optimizing and Troubleshooting Switches 00/00/0000 It's time to wrap up the world of LAN switching with optimization and troubleshooting. In this video, Jeremy addresses common problems you may encounter when working in a LAN environment. He also interjects a "bonus section" dealing with improving your efficiency on Cisco devices.
S01E16 Wireless: Understanding Wireless Networking 00/00/0000 Wireless networking technology has changed the LAN landscape very quickly. As one of the newest technologies added to the CCENT/CCNA certifications, wireless is almost guaranteed to pop up in organizations of any size. This video discusses the foundations of wireless networks including radio frequency, wireless channels and standards, and the best way to design wireless for your organization.
S01E17 Wireless: Wireless Security and Implementation 00/00/0000 Understanding the foundations of wireless is never enough! Security vulnerabilities have proven more than once that wireless can be devastating to an organization. This video walks through the steps to take to successfully implement and secure a wireless network.
S01E18 Advanced TCP-IP: Working with Binary 00/00/0000 This video begins the move to the world of advanced TCP/IP addressing. More specifically, you will learn the skill of IP subnetting. One of the most foundational skills in subnetting is converting from decimal to binary and back. This video carefully explains this skill and provides many examples to practice.
S01E19 Advanced TCP-IP: IP Subnetting, Part 1 00/00/0000 The first style of subnetting you'll need to learn is the ability to separate IP addresses into subnets based on the number of networks an organization needs. This video walks through the initial style.
S01E20 Advanced TCP-IP: IP Subnetting, Part 2 00/00/0000 The second style of subnetting you'll need to learn is the ability to separate IP addresses into subnets based on the number of hosts an organization needs in each network. This video explains this style.
S01E21 Advanced TCP-IP: IP Subnetting, Part 3 00/00/0000 The final style of subnetting you'll need to learn is the ability to reverse engineer subnets based on the IP address and subnet mask that has been given. This video discusses this final style.
S01E22 Routing: Initial Router Configuration 00/00/0000 Routers are the device that made Cisco famous (as a Company). Unlike a switch, when you initially pull a Cisco router out of the box, it is non-operational; that is, you must initially configure the router before it works properly. This video explains the boot process and initial configuration of a Cisco router.
S01E23 Routing: SDM and DHCP Server Configuration, Part 1 00/00/0000 For the first time in Cisco certification history, a graphic user interface (GUI) is now used to configure Cisco devices. It's known as the Cisco Security Device Manager, or SDM for short. This video walks through preparing your Cisco router to be managed through the SDM.
S01E24 Routing: SDM and DHCP Server Configuration, Part 2 00/00/0000 Manually configuring IP addresses on every device in your network can eat up a ton of time. That's why some brilliant individual created the Dynamic Host Configuration Protocol (DHCP). In this video, Jeremy walks through configuring your router to be a DHCP server by using our newly configured SDM.
S01E25 Routing: Implementing Static Routing 00/00/0000 Once the router is initially configured with IP addresses and passwords, it will effectively...well, sit there. The router has IP addresses, but it is not routing yet. In this video, Jeremy configures the foundational form of routing known as static routing.
S01E26 Routing: Implementing Dynamic Routing with RIP 00/00/0000 Static routing is great if you are paid by the hour, but dynamic routing works much better when you want to get the job done fast. The RIP routing protocol has definitely been around for quite some time and has proven itself as a stable routing protocol for small network environments. This video walks through the description and configuration of the RIP routing protocol.
S01E27 Routing: Internet Access with NAT and PAT 00/00/0000 Because nearly every organization uses a private IP addressing scheme, routing can occur within the company network, but fails when attempting to access the Internet. That's where Network Address Translation (NAT) comes in to save the day. In this video, Jeremy explains how to use the Cisco SDM to configure your router to support NAT Overload (also known as PAT).
S01E28 Routing: WAN Connectivity 00/00/0000 In addition to providing access between networks, routers also allow us to connect to the Wide Area Network (WAN). This video discusses the types of WAN connections that exist along with the interfaces and configuration used to make that connection possible.
S01E29 Management and Security: Telnet SSH and CDP 00/00/0000 At this point, we've wrapped up router-specific discussion and can now move into management and security strategies for all Cisco devices. The key management protocols we use to configure and monitor our devices are Telnet and SSH. This video discusses how you can navigate between Cisco devices using these protocols and also how the Cisco Discovery Protocol (CDP) can help unveil an undocumented network.
S01E30 Management and Security: File Management 00/00/0000 Having the lity to copy files to and from your routers and switches is key to successfully being able to back up configurations and IOS versions. In this video, Jeremy discusses the key file systems of Cisco devices and demonstrates moving files to and from these file systems.
S01E31 Last Words for Test Takers 00/00/0000 To wrap up the CCENT series, Jeremy gives some last words to test-takers on how best to prepare for the ICND1, ICND2, and CCNA certification exams.