Explain Windows service. You often need programs that run continuously in the background. For example, an email server is expected to listen continuously on a network port for incoming email messages, a print spooler is expected to listen continuously to print requests, and so on. What’s the Unix name for a Windows service equivalent? Daemon. [...]

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How many memory layers are in the shared pool? How do you find out from the RMAN catalog if a particular archive log has been backed-up? How can you tell how much space is left on a given file system and how much space each of the file system’s subdirectories take-up? Define the SGA and [...]

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As system administrator, you type “debug ipx sap” and receive the following lines as part of the IOS response: type 0×4, “HELLO2?, 199.0002.0003.0006 (451), 2 hops type 0×4, “HELLO1?, 199.0002.0003.0008 (451), 2 hops What does “0×4? signify? * That is a Get Nearest Server response. * That it is a General query. * That it [...]

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