ccna security exam 9

ccna security exam 9

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According to different key types, modern cryptographic technologies are divided into two categories: one is symmetric encryption ( secret key encryption ) systems, and the other is public key encryption ( asymmetric encryption ) systems. At present, the most famous symmetric encryption algorithm has data encryption standard If it is run under the permission of Win d o w s N T , flcss.exe will install itself on the Windows NT machine like a service program . It will be displayed in the standard Windows NT service list as flc and is set to run this service automatically every time it starts. Under Windows 9X , it runs like a hidden program and is not visible in the task list. (1) Observe the basic structure of the firewall and describe the various interfaces and functions of the firewall. ⑤ Select /scripts and replace 271 with 201 . It is to snoop on the secrets or privacy of others, and does not intend to steal any data and destroy the system. Some other hackers for a variety of reasons, such as PETTY, revenge, protests invasion and tampering with the contents of the target site, humiliate each other. For example , after the US-led NATO bombed our embassy in South Africa in May 1999 , a group of hackers who claimed to be "justice" broke into the White House, the US Embassy in China, the US Department of Defense, and the US Air Force and other official websites, tampering with their homepages. , In protest. The third category is malicious attacks and destruction, which are the most harmful and account for the largest proportion. Some seek illegal economic benefits, such as illegally withdrawing others’ bank deposits by embezzling accounts,ccna security exam 9, or blackmailing individuals, groups, and countries, causing heavy economic losses to individuals, groups, and countries, and some deliberately destroying the other’s computer systems. Service for political, military, and economic purposes. System, an important program data can be tampered with, destroyed, or even lost, resulting in a system crash, paralyzed business, the results could be disastrous.

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Latest Cisco CCNA 200-301 Dumps

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