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51.You need to update five high-visibility servers with critical updates by using Windows Server Update Services (WSUS). After approving the updates, what should you do to ensure that the updates are applied within an hour?
52.David is experiencing a delay when he tries to connect to a remote Web site. Which of the following tools can he use to determine the specific router that is responsible for this delay?
53.Which resource record is used to resolve domain names specified in e-mail addresses to the IP address of the mail server associated with the domain?
54.You update the driver for the computer’s video card and the computer becomes unresponsive. Which of the following should you do to recover the computer?