What is a level 0 backup? What is an incremental backup? What steps are required to perform a bare-metal recovery? Name key files or directories on a UNIX system that should always be backed up. Name key files or directories on a Windows system that should always be backed up. What is RAID 0? What [...]

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What is MUTEX ? What isthe difference between a ‘thread’ and a ‘process’? What is INODE? Explain the working of Virtual Memory. How does Windows NT supports Multitasking? Explain the Unix Kernel. What is Concurrency? Expain with example Deadlock and Starvation. What are your solution strategies for “Dining Philosophers Problem” ? Explain Memory Partitioning, Paging, [...]

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What does a special set of tags <?= and ?> do in PHP? – The output is displayed directly to the browser. What’s the difference between include and require? – It’s how they handle failures. If the file is not found by require(), it will cause a fatal error and halt the execution of the [...]

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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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