Which operator concatenates two strings?
A. =
B. =+
C. +
D. ==
C. +
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Microsoft introduced the ____ element into its browser when it saw a need for internal frames.
A. frame B. frameset C. iframe D. exframe
Which of the following if often found within an embedded OS that can cause a potential vulnerability to an attack?
A. Web server B. USB port C. RAM D. PCB
A penetration tester is which of the following?
a. A person who accesses a computer or network without permission from the owner b. A person who uses telephone services without payment c. A security professional who's hired to hack into a network to discover vulnerabilities d. A hacker who accesses a system without permission but does not delete or destroy files
This residual information in file slack is overwritten when a new file is created.
a. true b. false