Cryptography and Public Key Infrastructure (PKI) Fundamentals

Practice Questions

Data transmission uses encapsulation—breaking messages into packets with added controls. Frames include error-checking (FCS). Routers use ARP to map IPs to MACs. TCP connections start with a SYN, followed by SYN/ACK, then ACK for full handshake.

Lab Create a Home Wireless Network

This site provides interactive IT labs for students to practice real-world networking tasks like setting up wireless networks, configuring routers, and connecting devices—ideal for CompTIA Network+ prep and IT career training.

Network Configuration and Troubleshooting Practice

This resource site offers comprehensive networking and cybersecurity training modules. Includes labs, practice questions, and configuration tutorials—ideal for IT students, CompTIA Network+/Security+ exam prep, or career tech classrooms.

Post Test AntiTerrorism

A concise quiz on Antiterrorism Scenario Training, covering safety practices, threat recognition, and emergency protocols. Test your knowledge on insider threats, travel security, and protective measures.

Master Machine Learning Concepts

Explore a binary classification problem using K-Nearest Neighbors (K-NN) with two real-valued features. Analyze training data visually and apply distance-based classification techniques to predict outcomes. From a Fall 2021 ML course assignment.

761541663-Wordly-Wise-Book-8-Answer-Key

WordlyWise 3000 is a direct academic vocabulary program designed to build essential word knowledge through engaging lessons that improve reading, writing, and critical thinking skills.

Solved Assignments

Level 1 Anti-terrorism Awareness Training

Security basics: Best rooms aren’t next to emergency exits (False). Know all factors about terrorist threats. Explosive devices can blend in (True). Surveillance can be stationary or mobile (True). Terrorists target tourists (False).

Solved Assignments

Understanding Machine Instructions Elements, Types

Covers key machine instruction elements—operation code and operand references. Identifies source/destination locations (registers/memory) and explains the purpose of four-address instructions in data operations.

MGBA-325QRWorkforceAssociation

Instructions for FedEx Ground service provider personnel to request new associations via MyGroundBizAccount. Steps include logging in, selecting Workforce Management, and submitting association requests through CDAS.

DAT 375 Module 3-1 Assignment

This analysis uses quantitative methods to evaluate scraped data, identifying message and reshare averages per user and peak messaging times. Insights will guide improvements to our social media app's user interface.