new ccna study guide 200-301

new ccna study guide 200-301

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⑨ Exit the current window. Table . 5 - . 9 various management model PIX prompt The scanner should have three functions: the function of discovering a host or network; once a host is discovered, the function of discovering what service is running on this host; the function of discovering vulnerabilities by testing these services. ! Enable both interfaces as 10Mb , half duplex: Even if all the above operations are completed, it is only a partial protection measure. The most effective network security protection method is to install a firewall software. There are many such firewall software, such as Skynet firewall, Norton Internet 8.1.3 Defense measures 1024 -bit certificates with 3 different key lengths to ensure the security and reliability of the certificate. Plain text → "encryption" → cipher text → "decryption" → plain text There are some special security vulnerabilities in the implementation of Java in NetScape 2.0 ,new ccna study guide 200-301, such as the ability to arbitrarily execute machine instructions , the mutual competitiveness of Java applets, and the ability to establish connections with any host. (7) Use city transaction key card, city transaction key card transmission card, city master key card, city master key card transmission card to issue user card mother card ( directly cipher text to derive the key, on the user card mother card Create two directories ADF respectively , import the key on the mother card directly, without adding the protection key ) . Computer hackers attacked the computer must open the appropriate ports, if you turn off unused ports, big big reduction in the risk of attacks. For Windows , the NWLink and IPX/SPX transmission protocols in the system can be removed , and the security mechanism can be enabled in the TCP/IP protocol properties. If there are no special features such as ICQ and Real online broadcasting (4) Ensure the operability of the dynamic interactive system through special protocols and message formats. While cookies bring convenience to users, they also bring certain security risks. There is no need to worry about these security hazards on very formal large websites, but they should be guarded carefully on the Internet. timeout xlate 3:00:00 conn 1:00:00 Determine the connection speed. Enter auto so that the PIX firewall can automatically sense the required speed of the device . 9) Trusted path When defining the command syntax on the PIX firewall, the local address is defined as the address assigned to the internal host ( for example, a host on the relatively more trusted side in a session through the PIX ) . Global 1) Network monitoring low Specify a name for the physical boundary interface. The name is specified by the user, and must be used for all future configuration to provide a reference to the boundary interface. By default, the name of interface e1 is inside ( internal interface ) , and the name of interface e0 is outside ( external interface ) Scanner is not a program that directly attacks network vulnerabilities, it can only help people find some inherent weaknesses of the target machine. A good scanner can analyze the data it gets and help people find vulnerabilities in the target host. But it will not provide detailed steps to enter a system. The current main security guarantee comes from the following 3 aspects: The DH algorithm is proposed by W. Diffie and M. Hellman . This algorithm is the earliest public key algorithm. It is essentially a key agreement agreement between the two communicating parties: any one of the two entities uses its own private key and the other entity’s public key to obtain a symmetric key, which cannot be calculated by other entities. . The security of the DH algorithm is based on the difficulty of computing discrete logarithms over a finite field . Discrete number of studies indicate that the status quo: the use of DH key requires at least 1 024 bit to ensure there is enough in the long-term safety.

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Latest Cisco CCNA 200-301 Dumps

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