Network Management Strategies for the CIO
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CSU/DSU (Channel Service Unit/Data Service Unit)
A CSU/DSU (Channel Service Unit/Data Service Unit) is a hardware device about the size of an external modem that converts a digital data frame from the communications technology used on a local area network (LAN) into a frame appropriate to a wide-ar... Definition
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TCP/IP (Transmission Control Protocol/Internet Protocol)
TCP/IP (Transmission Control Protocol/Internet Protocol) is the basic communication language or protocol of the Internet Definition
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Can IP addresses of LANs that make up a WAN be the same?
Our networking fundamentals expert answers whether the IP addresses of different physical locations (LANs) making up a WAN can be the same address. Find out if networks with the same IP address will overlap and create routing problems, in this expert... Ask the Expert
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Data leak prevention starts with trusting your users
Cisco security guru Christopher Burgess has some radical suggestions for network security to beef up data leak prevention: Trust your users, and let them help decide policy. Article
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How can I be sure no one is hijacking or hacking my WAP?
Learn how to protect yourself from hackers and wireless access point (WAP) hijackers in this advice from our networking expert. Ask the Expert
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What correlation does ping latency have with high server activity?
Our network administration expert explains which metrics provide visibility into what's going on at peak activity levels in order to optimize network performance in this expert response. Ask the Expert
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How each wireless technology differs: Wi-Fi, WiMax and WLANs
This expert response explains the difference between wireless technologies like Wi-Fi, WiMax and WLANs. Ask the Expert
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What does a subnet do?
Learn about the role of the subnet in a network, including switching and packet recognition. Ask the Expert
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WildPackets' packet analysis tool helps newspaper fix network problems
The network services team at the Seattle Times newspaper streamlined its repair of network failures by installing OmniPeek, a packet analysis tool from WildPackets. Article
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IT career training, experience can help you shine in salary talks
For those looking to advance, the best IT jobs require the right experience, along with a healthy dose of salesmanship. Article