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Therefore, OA network USES two Catalyst6500 high-performance switches with IDS and Firewall modules.The Firewall module enables security isolation between virtual lans, which is important for large OA networks.Guangdong development bank network system, including the head office data center and branch network, all 210-060 dumps need with the Internet, online banking, a shekel of silver coupon, and pedestrian liquidation, and other public information network interconnection, 210-060 dumps Practice Test because 300-320 questions these public information network is a Practice Test completely 200-310 Practice open to the public information resources, so the network interface as the most vulnerable to hacking and require special safety control, provide reliable security.Therefore, 200-310 Practice Cisco has adopted the current advanced Cisco PIX 200-310 Practice firewall products and advanced and reliable firewall technology to provide reliable security protection for the entire network system.PIX of NAT (Network Address Translation) function for guangdong development Practice Test bank Intranet Address Translation of each workstation provide dynamic or static gain legal external Address, such as well as to hide the internal Network, and can save the Address resource.In order to improve network 300-320 questions reliability and eliminate single Practice Test point of failure, cisco took measures to connect two PIX firewalls with 210-060 dumps a Failover 200-310 Practice 200-310 Practice cable to perform a two-machine thermal backup.Firewall 300-320 questions as the only export bank internal network, with the Internet and other public information network interconnection security control, at the same time for each workstation to access external information network within the network address translation (NAT) function.The switch USES MAC address 210-060 dumps filtering for security 200-310 Practice control, allowing only 210-060 dumps specific hosts to enter the PIX.The router is connected through multiple 300-320 questions wan ports and provides certain security control to prevent illegal access and operation.In order to strengthen the control and management of the whole 300-320 questions network, deployment of the ACS and Cisco for guangdong development bank Practice Test access control server and security Policy Manager (Cisco Secure Policy Manager), using CSPM 210-060 dumps powerful strategy management infrastructure, users can bank on the network security products for 200-310 Practice scalable, unified management. Hierarchical integrated defense: cisco SAFE that successful security solution should adopt integrated protection on the network infrastructure, 210-060 dumps 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 300-320 questions a three-dimensional integrated security defense.Take the guangdong development bank’s outreach network system, for example, which Practice Test USES three layers of integrated security protection, 210-060 dumps including routers, firewalls and switches.1, the first layer security protection provided by the router to achieve router in Internet/extranet wan connection of public 210-060 dumps information network, 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 of the opening to the outside world, the ministry of internal and external users to provide the corresponding services, its itself also become a part of the Practice Test public information Practice Test network.These servers in order to provide effective security, prevent the outside of the user to the illegal operation of the 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 210-060 dumps can be restricted to prevent the servers from being damaged from the outside.2. The second layer 300-320 questions of security protection is protected by PIX firewall, which completely separates the internal network of enterprises from the external network. 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