examen 7 cisco ccna 2

examen 7 cisco ccna 2

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There are many factors that affect computer network security, such as intentional or unintentional, man-made or non-man-made, etc. The illegal use of network system resources by outside hackers is an important factor affecting computer network security. In summary,examen 7 cisco ccna 2, the threats to network security mainly include the following aspects. 1) Overview of distributed denial of service attacks Covert channel analysis Concept and status analysis of network security For example, the Script.RedLof.Htm.e virus is a variant of the red terminator virus and has a very strong transformation function. The virus randomly combines its own codes, and all key codes are deformed. Machines infected with the virus will slow down when browsing folders. The damage to the system is as follows. ip address outside 192.150.50.3 255.255.255.0 3) Data receiving and interception Mixed firewalls (Hybrid Firewall) the packet filtering and proxy services and other functions combine to form a new firewall architecture, the bastion host with the host said, is responsible for agency services. Each type of firewall has its own advantages and disadvantages. Current firewall products are no longer a single packet filtering or proxy service firewall, but a combination of various security technologies to form a mixed multi-level firewall system to improve the flexibility and security of the firewall. For example, the following technologies are mixed: ①Dynamic packet filtering; ②Kernel transparent technology; ③User authentication mechanism; ④Content and policy awareness; ⑤Internal information hiding; ⑥Intelligent log, audit and real-time alarm; ⑦Interoperability of firewall ⑧ Combine various security technologies, etc.

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Latest Cisco CCNA 200-301 Dumps

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