Cisco Press – Cisco Wireless LAN Security
Friday, June 4th, 2010Cisco Wireless LAN Security is an in-depth guide to wireless LAN technology and security, introducing the key aspects of 802.11 security by illustrating major wireless LAN (WLAN) standards that can protect the entire network. Because a WLAN is less effective as an isolated piece of the network, this book emphasizes how to effectively integrate WLAN [...]
Cisco Press – Cisco LAN Switching Video Mentor
Wednesday, May 26th, 2010The LAN Switching Video Mentor is an excellent guide to configuring Cisco switches. Dave’s videos are outstanding in their conciseness and relevance of content. They hit the nail on the head every time!”” Geoff Tagg, President, INDT Ltd. Cisco LAN Switching Video Mentor is a unique video product that provides you with more than six [...]
CCNA 640-802 Bible – Explain Network Segmentation and Basic Traffic
Tuesday, July 7th, 20091. What are some of the advantages of using a router to segment the network? (Choose two.) A:Filtering can occur based on Layer 3 information. B:Broadcasts are eliminated. C:Routers generally cost less than switches. D:Broadcasts are not forwarded across the router. E:Adding a router to the network decreases latency. Correct Answers: A, D Sorry you [...]
Bridging and Swtiching
Monday, April 13th, 2009Bridging is used to connect two network segments. This alleviates congestion problems on a single Ethernet segment and extends allowed cabling distances because the segments on each side of the bridge conformed to the same distance limitation as a single segment. This bridge is called “transparent bridging” because the end-point devices do not need to [...]
Internetworking/Networks
Saturday, April 11th, 2009A network is defined as a group of two or more computers linked together for the purpose of communicating and sharing information and other resources, such as printers and applications. Most networks are constructed around a cable connection that links the computers, however, modern wireless networks that use radio wave or infrared connections are also [...]
CCNA Quick Notes – LAN
Friday, April 3rd, 20091. What is carrier sense multiple access collision detect (CSMA/CD)? CSMA/CD describes the Ethernet access method. In CSMA/CD, many stations can transmit on the same cable, and no station has priority over any other. Before a station transmits, it listens on the wire to make sure no other station is transmitting. If no other station [...]