____ is a network protocol that defines how to route data across a network.?
A. ?RSS
B. ?SMTP
C. ?TCP/IP
D. ?SMS
Answer: C
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Aideen sent an email to her supervisor
explaining the Domain Name System Security Extensions (DNSSEC). Which of the following statements would Aideen have NOT included in her email? a. It is fully supported in BIND9. b. It adds additional resource records. c. It adds message header information. d. It can prevent a DNS transfer attack.
A browser is a program or app that requests, downloads, and displays webpages stored on a web server.
Answer the following statement true (T) or false (F)
Which of the following best describes a variable when implemented in a script?
A. A portion of a script that executes multiple times until a condition is met. B. A container for storing data values that can be assigned, referenced, and manipulated. C. A line or portion of a script that the interpreter does not process. D. The part of a filename used to designate a file’s association with a particular script language.
To improve readability and maintainability, you should declare _________ instead of using literal values such as 3.14159.
a. variables b. methods c. constants d. classes