Email Alerts
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How can I define the layered approach to protocols?
Learn what the network security advantages are in the layered approach to protocols and how to define the layered approach protocol, in this Q&A with Michael Gregg. Ask the Expert
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flooding
In a network, flooding is the forwarding by a router of a packet from any node to every other node attached to the router except the node from which the packet arrived. Definition
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automatic repeat request (ARQ)
Automatic repeat request (ARQ) is a protocol for error control in data transmission. Definition
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variable-length subnet mask (VLSM)
A variable-length subnet mask (VLSM) is a sequence of numbers of variable length that streamlines packet routing within the subnets of a proprietary network... (Continued) Definition
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wildcard mask
A wildcard mask is a sequence of numbers that streamlines packet routing within the subnets of a proprietary network... (Continued) Definition
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fixed-length subnet mask (FLSM)
A fixed-length subnet mask (FLSM) is a sequence of numbers of unchanging length that streamlines packet routing within the subnets of a proprietary network... (Continued) Definition
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What are the routing differences between IPv4 and IPv6?
Between IPv4 and IPv6, find out how routing differs, in this Q&A with Silvia Hagen. Ask the Expert
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In IP, could we eliminate the need for ARP?
Could ARP be eliminated from IP? Silvia Hagen explains in this Q&A. Ask the Expert
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Can I connect WLAN and LAN clients using 802.1x and EAP?
Learn how to connect wireless and wired LAN clients using 802.1x and EAP with a workgroup instead of an Active Directory Domain in this Q&A with Lisa Phifer. Ask the Expert
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Choosing WAN providers: Key questions to ask
When evaluating carrier services for the WAN, it's imperative to ask some key questions regarding customer service, service-level agreements, global coverage, management and monitoring capabilities, and underlying technologies. Make sure these questi... Tip
Network Management Strategies for the CIO