5a) A contiguous section of disk storage space is called a(n): A) track. B) sector. C) extent. D) tablespace. 5b) A method to allow adjacent secondary memory space to contain rows from several tables is called: A) cluttering. B) clustering. C) concatenating. D) compiling. 5c) A(n) ________ is a field of data used to locate a related field or record. A) key B) index C) lock D) pointer 5d) A(n) ________ is a technique for physically arranging the records of a file on secondary storage devices. A) physical pointer B) retrieval program C) file organization D) update program 5e) Which type of file is most efficient with storage space? A) Sequential B) Hashed C) Indexed D) Clustered

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