FREE NSA Cybersecurity Knowledge Questions and Answers

Question 1

You need to transmit PII via email and you want to maintain its confidentiality. Which of the following choices is the BEST solution?

Accepted Answer

Encrypt it before sending.

Answer

Use a secure email service.

Answer

Password-protect the document.

Answer

Send it as a compressed file.

Question 2

Louie hid several plaintext documents within an image file. He then sent the image file to Tony. Which of the following BEST describes the purpose of his action?

Accepted Answer

Obfuscation

Answer

Data Compression

Answer

Digital Watermarking

Answer

Cryptanalysis

Question 3

Management has mandated the use of digital signatures by all personnel within your organization. Which of the following use cases does this primarily support?

Accepted Answer

Supporting non-repudiation

Answer

Ensuring data integrity

Answer

Enhancing confidentiality

Answer

Facilitating access control

Question 4

Your organization has implemented a Virtual Desktop Infrastructure (VDI) for most users. When a user logs off, the desktop reverts to its original state without saving any changes made by the user. Which of the following BEST describes this behavior?

Accepted Answer

Non-Persistence

Answer

Persistence

Answer

Replication

Answer

Virtualization

Question 5

Which type of virtualization allows a computer's operating system kernel to run multiple isolated instances of a guest virtual machine, with each guest sharing the kernel?

Accepted Answer

Container Virtualization

Answer

Hypervisor Virtualization

Answer

Hardware Virtualization

Answer

Network Virtualization

Question 6

Lisa is enabling The Network Time Protocol(NTP) on some servers within the DMZ. Which of the following uses cases is she MOST likely supporting with this action?

Accepted Answer

Time Synchronization

Answer

Load Balancing

Answer

Data Encryption

Answer

Intrusion Detection

Question 7

You manage a Linux computer used for security within your network. You plan to use it to inspect and handle network-based traffic using iptables. Which of the following network devices can this replace?

Accepted Answer

Firewall

Answer

Router

Answer

Switch

Answer

Modem

Question 8

You are preparing to deploy a heuristic-based detection system to monitor network activity. Which of the following would you create first?

Accepted Answer

Baseline

Answer

Signature Database

Answer

Alert Thresholds

Answer

Incident Response Plan

Question 9

Attackers have recently launched several attacks against servers in your organization's DMZ. You are tasked with identifying a solution that will have the best chance at preventing these attacks in the future. Which of the following is the BEST choice?

Accepted Answer

An in-band IPS

Answer

An out-of-band IDS

Answer

A firewall

Answer

A VPN

Question 10

You need to configure a Unified Threat Management(UTM) security appliance to restrict traffic going to social media sites. Which of the following are you MOST likely to configure?

Accepted Answer

URL Filter

Answer

Intrusion Prevention System (IPS)

Answer

Antivirus Scanning

Answer

Application Control