Bookshelf
Network Security
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12 official practice questions for the CCNA 200-301 exam
These practice questions for CCNA 200-301 lay out what readers need to know about network security and IP routing in the LAN, from 'CCNA 200-301 Official Cert Guide, Volumes 1 and 2.' Continue Reading
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Network reconnaissance techniques for beginners
In this excerpt of 'How Cybersecurity Really Works,' author Sam Grubb breaks down common network reconnaissance techniques used by adversaries to attack wired networks. Continue Reading
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Get started with network penetration testing for beginners
Authentication, patching and configuration are among the most common vulnerabilities found through network penetration testing. Learn more in this free chapter excerpt. Continue Reading
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Advice on how to learn network penetration testing skills
As beginners learn network penetration testing skills, they should remember these expert tips: Pay attention to what the client wants, and stick to offense, not defense. Continue Reading
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Top network attacks of 2020 that will influence the decade
You've heard of phishing, ransomware and viruses. Now, keep them in mind because one cybersecurity expert says these threats and more may cause IT headaches for the next decade. Continue Reading
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Advice for an effective network security strategy
Security audits, evaluations of tools and looking realistically at trending technologies are some ways an organization can ensure its network security is the best it can be. Continue Reading
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Test your network threats and attacks expertise in this quiz
Network security is an ever-changing subject, but many of its common threats have plagued IT pros for years -- and will likely continue to do so. See what you know in this quiz. Continue Reading
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A look inside 'CCNA 200-301 Official Cert Guide, Volume 2'
Network security is a crucial skills area for network engineers, and the CCNA 200-301 reflects this. Here's a chapter excerpt on network security from the new guide. Continue Reading