If a local DNS server cannot find an IP address for a specified URL, it does this.

a. Queries the next DNS server
b. Returns an error 4xx to the client requesting the resource
c. A reverse lookup of the authoritative record
d. Performs an iterative query of the local DNS servers database

Write a program that reads a set of floating-point values. ask the user to enter the values, then print • the average of the values. • the smallest of the values. • the largest of the values. • the range, that is the difference between the smallest and largest. of course, you may only prompt for the values once.

Which computer tools allow you to communicate with coworkers, family,and friends

When a presentation is being planned, it is important to ensure that it covers all available information. appeals to the audience. uses multimedia tools. entertains the audience.