Which of the following OS discovery techniques is used by an attacker to identify a target machine's OS by observing the TTL values in the acquired scan result?
A. OS discovery using Nmap
B. OS discovery using Unicornscan
C. OS discovery using Nmap Script Engine
D. OS discovery using IPv6 fingerprinting
Answer: B. OS discovery using Unicornscan
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The boundaries between these are discrete, that is, sharply drawn:
A) classes B) social ranks C) castes D) all of the above
___________ A religious organization that has little or nothing to do with conventional religious traditions and believes that society is degenerate and that the members of the organization must withdraw together
from normal life and live apart in group quarters or a commune. What will be an ideal response?
Couples experiencing "generational squeeze" must attend to the needs of _________ while they are launching their children
a. their own aging parents b. their partners c. themselves d. all of the above
__________ tend to have the most tenuous relationships with children because the bond can be broken at any time for any number of reasons having nothing to do with the quality of care being provided.
A. Adoptive parents B. Gay and lesbian parents C. Grandparents D. Foster parents