Plebe Cyber Final

The Common Cyber Definition

Domain characterized by the 'human use of electronics.

The DoD Cyber Definition

A global domain within the information environment

Cyberspace Model Layers

Cyberpersona, logical, physical.

Components of Computer Architecture

Hardware, OS, application, user

Major physical components of a computer

CPU, storage, peripherals

Three criteria that influences the paradigm of storage device?

Cost, size, speed

Window OS leverages blank to determine the application to use to open the file with

file extensions

Most Significant Bit (MSB) is always to the blank

Least significant Bit (LSB) is always to the blank

blank bits in a byte, blank hex in a byte

eight, two

Moore’s Law

Principle that Integrated Circuits double every two years.

Name four services provided by the OS?

File Operations, Network Connections, User accounts, and Process Control.

Three ways for programs and users to access the services provided by the OS?

Shell, GUI, API

Type parts of a shell command?

Name, option, argument

World Wide Web

Vast collection of servers and clients communicating over the internet

Website

Collection of one or more files that you see in a browser

Web server

Exist to supply website content

Web client

Users that leverage applications

Three parts of a URI in order?

Scheme, authority, path

Parts of a HTML code in order?

Element, Start tag, attribute, inner html, end tag.

blank IP addresses are for internal use

Private

blank IP addresses are for external use

Public

What does ping do?

Sends ICMP request to see if an IP is responding.

What does tasklist do?

Outputs running processes.

What does arp do?

Displays IP-MAC resolution.

What does ipconfig do?

Displays network information

What does nslookup do?

Queries the name server

What does tracert do?

Sends ICMP request to each hop until final destination

What does netstat do?

Displays network connections

blank standards are used for wired networks?

Ethernet

blank standards are used for wireless networks?

WiFi

Five steps of risk management process?

Monitor, identify, analyze, prioritize, address

Encryption

Scramble a message in a way that only the intended recipient can unscramble it.

Hashing

Taking an input and producing a fixed sized output

Asymmetric encryption

Two keys

Symmetric encryption

Single key

Modern problems digital signatures address?

Integrity and non-repudiation

Cybersecurity challenge presented by asymmetric key pairs?

Owner of the public key has not been validated against the owner’s identity.

Digital certificates provide a system of blank

Trust

Name of the third party that verifies and issues digital certificates?

Certificate authority

Network security technologies that are leveraged in boundary perimeter?

IDS, IPS, firewall

Term used for military strategy that seeks to delay rather than prevent?

Defense-In-Depth

Hosts within DMZ are assigned blank addresses that can be accessed by other blank -connected computers?

Public, internet

Main difference between passive and active reconnaissance?

Activities that could potentially result in attributing an adversary.