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77.The Performance Logs And Alerts service is set up to send a message to C4 to notify an operator when the network use on C3 is too high. However, C4 does not receive the message sent from C3. Which of the following should you do to enable messages to be sent by C3 and received by C4?
78.David is a network administrator in an organization. The organization has leased the Class C address of 200.16.16.0. He subnets using a 255.255.255.224 subnet mask using 2 Cisco routers. How many IP addresses are available to be allocated to computers?
79.You DHCP server works fine except that events 1014 and 1016 appear regularly on the System event log. Which of the following tools/utilities should you use to diagnose these events?
80.You administer an Active Directory domain in which all servers are Microsoft Windows Server 2003, and all the clients are Microsoft Windows XP Professional. You have configured DHCP to update DNS only if the DHCP client requests. You find that the clients’ A resource records are not updated in DNS when they obtain new DHCP leases. Which of the following is the most likely cause of this problem?