ccna 2 practice final

ccna 2 practice final

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Because IP addresses can be set to change, users often illegal tampering, theft of other people's IP address and MAC address, to reach to hide its illegal purpose of the visit. You can use the ARP command of PIX Firewall to compare the IP address of the internal host with it 9.1 Security requirements of e-commerce S15 With the continuous emergence of attack methods using operating system security flaws, operating system and TCP/IP flaws have gradually become an important part of system security protection. On the basis of not affecting the normal system functions and network functions, security precautions are also an important content of section 2.2 . Host address The first 6 chapters network viruses and Prevention Almost since the birth of the Internet, denial-of-service attacks have been accompanied by the development of the Internet, and are constantly evolving and upgrading. 2000 Nian 2 Yue, YaHoo , Amazon and other denial of service and out of service, and more recently the domestic large sites have been attacked and even some of the impact of Web service delivery. Every year, people see many big websites being attacked by denial of service. Denial of Service is Denial of Service , or DoS for short . Because of its imperceptibility and simplicity, it has always been a major hidden danger to network security. It is a low-tech,ccna 2 practice final, attack effect significant attack, attack and the server can provide service over a long period of time, such that the legitimate user can not get services, particularly distributed denial of service DDoS , its effect is obvious, and It is difficult to find the real source of the attack, and it is difficult to find an effective solution.

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Latest Cisco CCNA 200-301 Dumps

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