ccna book in urdu pdf

ccna book in urdu pdf

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(2) The virus enumerates the user disk drive letter from back to front. Infect 5 paths each time . shutdown Identify the global address pool and match it with its corresponding global command (1) Install the "Super Rabbit Magic Settings" software. After Windows starts, execute "Start" → "Programs" If the first 1 characters smaller than 2 characters does not allow the user to change the password. Only Root has the power to change this user's password. It must be noted that the Su command does not check the password validity period. An expired password can be used when using Su , and there is no requirement to change the password. 5) Step 5 : Find the vulnerability of this machine It is best to encrypt the data processing process through an encryption algorithm, and use digital signatures and authentication to ensure data security. (2) The virus infects the workstation first, resides in the workstation's memory,ccna book in urdu pdf, and then infects the server when the program in the network disk is run. First, connect the network settings as shown in Figure 5.9 . It has IP address range 204.31.17.128 ~ 204.31.17.191 , there are E-mail , the WWW , the FTP and other server, the PIX Firewall internal virtual IP ranges: 192.168.3.1 ~ 192.168.3.25 , the following policy can be defined. The firewall is a security mechanism that adds another layer of parameter network to the host filtering structure, so that there are two layers of separation between the internal network and the external network. The internal and external routers of the parameter network connect the internal and external networks respectively, as shown in Figure 5.4 . In the store all by route routing command inputs, these routes are saved in the PIX firewall configuration when in. In the example of using the no global command, all output packets are sent to the router with IP address 192.168.1.1 . Because there is only one internal network 10.1.1.0 255.255.255.0 , and the PIX is directly connected to that network, there is no need for more than one route command. If there are multiple networks inside, you will need to configure more than one route command.

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