(Network security and firewall access control lists, bastion host passwords, enhanced attack methods and security rules, etc. are strongly recommended for network security offices and lovers to download and read. Very comprehensive!!? Based on the information provided by Prometric, the world's largest exam organization, CIW certification has ranked second in the number of exams in the United States, second only to Microsoft certification exams. There are more than 45,000 people in the world with CIW certificates, and CIW certificates are held in more than 100 countries, and are supported by many famous enterprises in the industry, such as IBM, HP, NOVELL, etc. Some brothers said that there are too many beans, I really want to change it to 4 beans, but I can't change it, but then again, I think this resource is quite good, I still recommend network security lovers to take a look. It's good. If you want to read the comprehensive 51cto thoroughly, it's fine. It's enough. I wish my brothers to review the old and learn new things, and learn to be useful.)
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