HTTP, IMAP4, FTP, and Telnet are all examples of protocols that operate at what layer of the OSI model??

To reference a file in a folder directly above the current folder in the folder hierarchy, relative pathnames use two ____.

A. periods B. commas C. ampersands D. slashes

Unlike a ResultSet object, _________ and __________ objects are scrollable and updatable by default.

Fill in the blank(s) with the appropriate word(s).