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How Firewall configuration makes all the difference
The greatest blunder that any company make is to just install a firewall and think that they have ensured perfect security. While firewalls protect from outside threats, it requires updating from time to time. Poor firewall configuration has been considered the cause of the biggest security breaches that took place in the recent past.
WHAT IS NETWORK???
What is TCP/IP TCP/IP is short for Transmission Control Protocol / Internet Protocol. This is a set of protocol layers that is intended to make data exchange possible on dissim
Overhead SONET overhead is not added as headers or trailers as we have seen in other protocols. Instead SONET insert overhead at a variety of location in middle of the f
Sequence Number After the bytes have been numbered TCP assigns a sequence number to each segment that is being sent. These sequence number for each segment is the numb
DNS Message There are the only two kinds of DNS message DNS query and reply messages. Further mote both query and reply message have the same format as shown in figure.
THE high spectral efficiency makes OFDM a suitable technology to meet the demands of wireless data traffic. A currently discussed new application are OFDM based overlay systems. In
What is OSI and what role does it play in computer networks? OSI (Open Systems Interconnect) serves as a reference model for data communication. It is made up of 7 layers, with
data network design with live examples
Design a Logical LAN Topology Step: Design an IP addressing scheme. Given the IP address block of 192.168.7.0 /24, design an IP addressing scheme that states the following r
Define Bandwidth and Latency? Network performance is calculated in Bandwidth (throughput) and Latency (Delay). Bandwidth of a network is given by the number of bits that can be
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