Match each of the following terms to its meaning:I.packet filteringII.IP addressIII.firewallIV.CAPTCHAV.biometric authentication deviceA.program that generates distorted text and requires that it be typed into a boxB.reads a unique personal characteristic and converts its pattern to a digital codeC.hardware or software for protecting computers from hackersD.a computer's numeric ID on the InternetE.method for selectively allowing certain requests to access ports

The Java standard libraries have a class named ___________ that behaves almost exactly the same as the class ArrayList.

(a) Array (b) Container (c) Vector (d) All of the above

Which of the following statements is false?

a) Distributed systems improve the capacity and reliability of a single machine. b) Users of a distributed operating system are given the impression that they are interacting with just one machine. c) Distributed systems divide resources among a group of machines and let multiple users share the resources. d) Distributed systems are easy to implement.