When might a DNS server provide multiple answers to a single name lookup, and why?

What will be an ideal response?


A DNS server provides several answers to a single name lookup whenever it possesses them, assuming that the client has requested multiple answers. For example, the server might know the addresses of several mail servers or DNS servers for a given domain. Handing back all these addresses increase the availability of the mail service and DNS respectively.

Computer Science & Information Technology

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A class design requires that a particular member variable must be accessible by any subclasses of this class, but otherwise not by classes which are not members of the same package. What should be done to achieve this?

a. The variable should be marked public. b. The variable should be marked private. c. The variable should be marked protected. d. The variable should have no special access modifier. e. The variable should be marked private and an accessor method provided.

Computer Science & Information Technology

To calculate a monthly loan payment for a 30-year mortgage loan with a monthly rate of 4%, where A5 is 4%, you would enter ________ for the rate argument

Fill in the blank(s) with correct word

Computer Science & Information Technology

Which of the following rendering intents works well for business schematics?

a. colorimetric (absolute) b. colorimetric (relative) c. perceptual d. saturated

Computer Science & Information Technology

One of the most dramatic changes in connectivity and communications in the past few years has been ________.

A. satellite uplinks B. widespread use of mobile devices with wireless Internet connectivity C. running programs on remote computers D. chat rooms

Computer Science & Information Technology