certificaciones ccna y ccnp

certificaciones ccna y ccnp

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1) Fingerprint recognition technology The description of each parameter in the Brutus running interface is as follows. When a function call occurs in the program, the computer does the following: first push the parameters onto the stack and save the instruction register To guard against this type of attack is relatively easy to install a firewall can deny ICMP response packet, it will put such a packet stopped, the other can modify the settings in the operating system, such as Windows 2000 in the IP security policy set It can be solved by filtering out the ICMP packets. Buffer overflow attack refers to a method of system attack. By writing content beyond the length of the program buffer, the buffer overflows, which destroys the stack of the program and causes the program to execute other instructions to achieve the attack. the goal of. According to statistics, attacks through buffer overflow account for more than 80% of all system attacks . (4) ECDSA : can be used for information encryption and digital signature. (2) Delete host: delete the IP address of the monitored terminal from the host list ( related settings will also be cleared at the same time ) . The information dissemination of sub-business generally has encryption requirements. (6) Certification center CA -a trustworthy and fair organization: accepts cardholders, shops, banks and payment gateways (3) To solve the backdoor program left by the virus, remove all the Tftp*.exe and Root.exe files in the Scripts directory of the IIS service . Check and kill FunLove virus. snmp-server community public telnet 10.0.0.100 255.255.255.255 To send signed emails and encrypted emails, you must first install the CA root certificate, apply for a certificate, receive the certificate serial number and password, and download and install your own certificate. ② After the startup message appears, it prompts that the unauthorized mode is being used. Once the registration is successful,certificaciones ccna y ccnp, you can engage in e-commerce activities on the Internet. When actually engaged in e-commerce activities, external The firewall does not need to enter any information. (7) Allow mail access. Allow Internet users and internal users to access the mail server through the SMTP protocol. (5) Master the upgrade of Cisco PIX 515 firewall. 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 The information dissemination of sub-business generally has encryption requirements. (3) The four supervisors of the city ​​construction all-in-one card city card issuance management center will issue the leadership card of the city's "urban construction all-in-one card system". Each input requires . 4 byte key and 8 for password protection byte generating . 4 Zhang collar turned cards. (2) Identity authentication. Identity authentication emphasizes consistency verification, which must match the consistency proof. Generally, identity authentication includes verification basis, verification system and security requirements. The sender only needs to provide two lines of information, To and Subject, in the header of the email , and the sending date and sender's address information are automatically filled in by the email software. In the reply, the email interface program automatically generates the entire header information. The To field in the header information of the reply is the From field of the original letter . Similarly, the Subject field of the original letter is also copied to the reply. It is very convenient for email software to automatically fill in the header, and it also increases the difficulty of forging emails.

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Latest Cisco CCNA 200-301 Dumps

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