300-320 questions exam materials
Hierarchical integrated defense: cisco SAFE 300-115 pdf that successful security solution should adopt integrated protection on the network infrastructure, and not only consider some special safety equipment.As a result, cisco has integrated security capabilities into its various network products to ensure that the entire network is fully integrated and three-dimensional.Guangdong development bank has implemented such a three-dimensional integrated 300-115 pdf security defense.Take the guangdong development bank’s outreach network system, for example, which USES three layers of integrated security protection, including routers, firewalls and 300-320 questions switches.1, the first layer security protection provided 210-065 Cisco A++ by 210-065 Cisco A++ the router to achieve router in Internet/extranet 300-320 questions 210-065 Cisco A++ wan connection of public information network, 210-065 Cisco A++ such as DNS server with guangdong development bank, the WWW server and E-mail servers located in external PIX firewall, with these servers as part 300-115 pdf of the opening to the outside world, the ministry of internal and external users to provide 300-115 pdf the corresponding services, its itself also become 210-065 Cisco A++ a part of the public information network.These servers in order to provide effective security, prevent the outside of the user to the illegal operation of the 300-115 pdf server, the server, delete, modify, or the content, should be carried out to external access can strictly control.With the firewall function of Cisco router, the operation of external users on the servers can be restricted to prevent the servers from being damaged from the outside.2. The second layer of security protection is protected by PIX firewall, which completely separates the internal network of enterprises from the external network. PIX is the only outlet for the internal network subsystems.By using PIX firewall to isolate the internal and external network, the security of the internal network is further guaranteed.PIX provides a complete record of all access, including illegal intrusion attempts.PIX realized from the network layer to application layer security protection, can be based on packet source address, destination address, TCP port Numbers and packet length on the communication control, as a move method to access is prohibited.3, the third layer security protection 300-115 pdf provided by the LAN switches Catalyst 6500 core switches deployed IDS and firewall module, monitoring the safety of the complex 300-115 pdf intranets effectively, 300-320 questions is the third barrier against external attacks 300-320 questions to prevent, is a good method to prevent internal attacks.Another Catalyst series switches have MAC address filtering function, therefore can be defined according to the need to switch each port, only allow specific MAC address of 300-115 pdf the workstation through the specific port access, port to communicate with the connection PIX.Due to the uniqueness of the MAC address and not configured, this kind of control, in fact, from hardware to 300-115 pdf control a specific machine, compared with the IP address filtering, this protection has higher security.Through the above three layers of security protection, guangdong development bank network system to realize the reliable from link layer to application layer security control, have the effect to prevent illegal access external, has the very high security.Reading this wasn’t the first time I’ve paused to consider whether my heart’s and my people’s infatuation with 300-320 questions autumn 210-065 Cisco A++ is not a worldly indulgence. The promise of the 300-115 pdf Kingdom is fullness of life, not pretty death. Halloween just means “the night before the Saints” and all the gruesomeness 300-320 questions on display represents the demons 300-115 pdf coming out one last night before the Saints arrive and drive them all 300-320 questions away. A Christian may secretly treasure the festival 300-115 pdf for that reason, but how can she join in when 210-065 Cisco A++ her place is not with the demons and decay, but with the Saints and salvation? Whence this covert delight in the season’s celebration of fear and death?
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