An Attacker Wearing a Building Maintenance Uniform Approached a Company's

question 451

Multiple Choice

An attacker wearing a building maintenance uniform approached a company's receptionist asking for access to a secure area. The receptionist asks for identification, a building access badge and checks the company's list approved maintenance personnel prior to granting physical access to the secure are. The controls used by the receptionist are in place to prevent which of the following types of attacks?

• A) Tailgating
• B) Shoulder surfing
• C) Impersonation
• D) Hoax

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Definitions:

Independent Sample

Samples that are collected in such a way that the selection of one sample does not influence the selection of another, ensuring that observations between samples are not related.

Normally Distributed

Describes a probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Confidence Interval Estimate

A range of values, derived from sample statistics, used to estimate the true value of a population parameter.

Two Normally Distributed Populations

Refers to two groups or populations where the data points follow a normal distribution, with specific means and standard deviations.