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46.You want to use a unicast IPv6 address on the subnets of a private network to implement IPv6 connectivity over the subnet. Which of the following unicast IPv6 address types should you use?
47.Chad decides to move the DHCP service from Server 1 to Server2. After installing DHCP on Server2, Chad creates a new scope in DHCP and activates it. Users report that they cannot log on to the network. Chad notices that the client computers are not receiving an IP address configuration from the DHCP server.
He opens Event Viewer on Server2 and views an event that states “The DHCP service failed to see a directory server for authorization.” What should Chad do to fix this issue?
48.David installs Software Update Services on a network server named S1. When David attempts to synchronize S1 with the Windows Update servers, he receives an error message. David suspects that the proxy server requires authentication.
He opens Internet Explorer and verifies that he can communicate with an external Web site by using the proxy server. What should David do to ensure that S1 can communicate with the Windows Update servers?
50.Some computers on a network are infected with a worm, which occasionally sends out traffic to various hosts on the Internet. You discover that this traffic always uses a certain source TCP port number. You need to identify which computers are infected.
Your solution should include detecting and identifying traffic that is sent by the worm and sending a notification to a network administrator that the infected computer needs to be repaired. Which of the following should you do?