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Network Analysis

9K

Solutions

12K

Contributors

Network analysis is the process of identifying and remediating the processes and systems within a network, including performance, connectivity and security. The process is performed through the use of tools developed for monitoring and analyzing network activity. Network problems that involve finding an optimal way of doing something are studied under the name combinatorial optimization. Examples include network flow, shortest path problem, transport problem, transshipment problem, location problem, matching problem, assignment problem, packing problem, routing problem, Critical Path Analysis and PERT (Program Evaluation & Review Technique).

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Last week, Github was hit with the largest DDOS ever recorded:
https://githubengineering.com/ddos-incident-report/

Akamai Prolexic is who they use for DDOS mitigation and they apparently handled it in stride:
https://blogs.akamai.com/2018/03/memcached-fueled-13-tbps-attacks.html
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CompTIA Network+
LVL 12
CompTIA Network+

Prepare for the CompTIA Network+ exam by learning how to troubleshoot, configure, and manage both wired and wireless networks.

Had the following issue and took these steps to solve it. I am sharing my experience since it “may” be a help for others.  
Issue: although file sharing discovery was turned on and it the network area in file explorer I could see all computers on the network, but could not access the shared folders on other computers, “window cannot access……”
Troubleshoot steps: after verifying the file shred discovery is turned on, and the folders are shared with the right permissions at the destination computer. I opened a cmd line and did a ping with the destination computer name, did not get a replay but got the IP address of the destination computer (could get it with ipconfig on the destination computer as wall). Did a ping with the IP address got no replay. Now I know something on the destination computer is blocking. The first thing move aside is the firewall, so I turned off the firewall on the destination computer (Kaspersky- I am moving all my clients from Kaspersky to Symantec, since I find Kaspersky being to restrict causing to many issues). Then did a ping with the IP and I got a replay. Now I did a ping with the name of the destination computer, did not get a replay, in the cmd prompt, I typed net view \\shraedpath did not get a replay, this told me there is a name resolution issue. So I changed the following setting Control Panel\Network and Internet\Network and Sharing Center\change adopter settings right click on the network adopter\properties\IPV4 click on …
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Network Analysis

9K

Solutions

12K

Contributors

Network analysis is the process of identifying and remediating the processes and systems within a network, including performance, connectivity and security. The process is performed through the use of tools developed for monitoring and analyzing network activity. Network problems that involve finding an optimal way of doing something are studied under the name combinatorial optimization. Examples include network flow, shortest path problem, transport problem, transshipment problem, location problem, matching problem, assignment problem, packing problem, routing problem, Critical Path Analysis and PERT (Program Evaluation & Review Technique).