To increase user security, Apple has introduced a ____ which is used to manage a user's list of all user names and passwords.
A. secure key ring
B. secure key chain
C. secure password chain
D. secure password purse
Answer: B
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Measured usage represents the ability of a cloud platform to keep track of the usage of its IT resources by cloud consumers. The __________________ mechanism can be used for the collection of billing information so that the cloud provider can charge the cloud consumer only for the IT resources actually used.
a. resource replication b. pay-per-use monitor c. automated scaling listener d. multi-device broker
Answer the following statements true (T) or false (F)
1. The device management system helps keep track of the data and programs stored on disk and other secondary storage devices. 2. The input output control system manages the directory. 3. Data files are normally created and accessed in response to operator or user commands. 4. When a file is opened, the file system reads the directory, finds the file’s directory entry, extracts the file’s start address, and (sometimes) reads all or part of the file. 5. In response to an open command, the file system updates the directory to indicate such information as the file’s length and ending address.
For the Web and other "on-screen" graphics, the standard resolution is ____________________ ppi.
Fill in the blank(s) with the appropriate word(s).
____________________, also called graphs, are visual representations of numeric data that help users see comparisons, patterns, and trends in data.
Fill in the blank(s) with the appropriate word(s).