| 181. | - Five Crucial Commands for Verifying Cisco Switch Network Status and Operational State
- Aug 11, 2015
- A network engineer needs to be conscious of the state of the network and every device connected to it. But when your network consists of multiple devices connected at a distance, how can you test connections and keep on top of network performance? Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, discusses five basic commands you need to know and use correctly to maintain your Cisco network.
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| 182. | - Nine Switch Commands Every Cisco Network Engineer Needs to Know
- Aug 4, 2015
- Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, provides a quick overview of nine commands that are essential for working with Cisco networks, whether or not your goal is certification.
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| 183. | - Network Switching Methods: Store-and-Forward Versus Cut-Through
- Jul 28, 2015
- Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, believes every network engineer should understand the differences between the two major switching methods employed in computer networks. This overview discusses the two methods from their initial deployments to modern usage.
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| 184. | - Packet Switching Methods on Cisco Networks
- Jul 14, 2015
- Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, teaches new networking students the basics they need to know about packet switching on Cisco networks. Experienced network engineers will find this article a useful refresher course on Cisco technology.
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| 185. | - VLAN Communications: Making Networks Talk to Each Other
- Jul 7, 2015
- Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, discusses routing and communications options for virtual networks in various configurations.
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| 186. | - Network Loop Prevention with the Rapid Spanning Tree Protocol (RSTP)
- Jun 30, 2015
- Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, examines the differences between the Spanning Tree Protocol (STP) and the more modern Rapid Spanning Tree Protocol (RSTP).
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| 187. | - Video: Natalie Timms on Cisco TrustSec
- Jun 18, 2015
- Natalie Timms, author of Cisco TrustSec LiveLessons: Deployment, Configuration and Troubleshooting Techniques, discusses the relevance of Cisco TrustSec to security today, who would benefit from viewing her video, "Cisco TrustSec LiveLessons," and the integration of TrustSec technologies into key Cisco certifications. Find out more about Natalie and Cisco TrustSec at www.ciscopress.com.
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| 188. | - VLAN Configuration Fundamentals and Commands
- Jun 15, 2015
- After becoming familiar with basic VLAN concepts, you need to learn how to configure your organization's networks and devices. Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, discusses important concepts and commands you will use in setting up networks and getting devices to talk to each other.
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| 189. | - Wireless LAN Implications, Problems, and Solutions
- Jun 15, 2015
- When designing and supporting a WLAN, however, you must be aware of potential implications, such as security vulnerabilities, radio signal interference, multipath propagation, and other issues. This chapter from Designing and Deploying 802.11 Wireless Networks explains the impacts of these problems and introduces some ways to resolve them.
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| 190. | - Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: Campus Network Architecture
- Jun 4, 2015
- This chapter from Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: (CCNP SWITCH 300-115) covers implementing VLANs and trunks in campus switched architecture, understanding the concept of VTP and its limitation and configurations, and implementing and configuring EtherChannel.
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| 191. | - Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: Network Design Fundamentals
- Jun 1, 2015
- This chapter from Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: (CCNP SWITCH 300-115) begins the journey of exploring campus network design fundamentals by focusing on a few core concepts around network design and structure and a few details about the architecture of Cisco switches.
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| 192. | - Virtual vs. Physical LANs: Device Functionalities
- May 29, 2015
- If you have a good grasp of the basics of local access networks (LANs), it's time to step up your game. Sean Wilkins, co-author of CCNA Routing and Switching ICND2 200-101 Official Cert Guide, explores the concepts behind virtual LANs, how they differ from physical LANs, and why VLANs make sense for modern organizations.
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| 193. | - Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: Fundamentals Review
- May 27, 2015
- This chapter from Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: (CCNP SWITCH 300-115) covers the following basic switching topics as a review to CCNA: hubs and switches, bridges and switches, switches of today, broadcast domains, MAC addresses, the basic Ethernet frame format, basic switching function, VLANs, the Spanning Tree Protocol, trunking, port channels, and multilayer switching (MLS).
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| 194. | - Video: NX-OS Configuration Fundamentals: Virtual Routing and Forwarding
- May 25, 2015
- In this excerpt from NX-OS Configuration Fundamentals LiveLessons, learn about layer 3 virtualization capabilities within NX-OS, in particular, virtual routing and forwarding (VRF).
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| 195. | - Video: NX-OS Configuration Fundamentals: Unified Fabric Basics
- May 21, 2015
- In this excerpt from NX-OS Configuration Fundamentals LiveLessons, learn about unified fabric basics, including a discussion of Fibre Channel over Ethernet, FCoE protocol fundamentals and the benefits of FCoE.
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| 196. | - Basic Data Transmission in Networks: MAC Tables and ARP Tables
- May 12, 2015
- Bombarded with jargon, no wonder networking beginners get lost. Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, explains some crucial terminology for anyone who needs to understand complex networking.
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| 197. | - Video: NX-OS Configuration Fundamentals: NX-OS Security Basics
- May 11, 2015
- In this video excerpt from NX-OS Configuration Fundamentals LiveLessons, learn NX-OS security basics.
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| 198. | - CCNP Security SISAS 300-208 Official Cert Guide: Authentication Policies
- May 6, 2015
- In this chapter from CCNP Security SISAS 300-208 Official Cert Guide, the authors discuss network authentication policies.
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| 199. | - Video: IPv6 Fundamentals: Purpose and Format of GUA
- May 6, 2015
- In this video excerpt from IPv6 Fundamentals LiveLessons: A Straightforward Approach to Understanding IPv6, Rick Graziani discusses the purpose and format of Global Unicast Addresses (GUA).
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| 200. | - Collision Domains and Broadcast Domains = Apples and Oranges
- May 5, 2015
- Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, doesn't approve of blurring collision domains and broadcast domains. Though these models are often taught together, modern technology has outpaced some of the ideas, and networking specialists who are new to the field need to distinguish between current terminology and outdated concepts.
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