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An internet gateway does not have to be attached to a VPC in order to allow internet traffic to an EC2 instance inside the VPC

by Dr. Osama M. Khaled — published Aug 01, 2024 — last modified Aug 05, 2024 10:12 PM Located in Computing / … / Amazon Web Services (AWS) / AWS Networking Essentials

An Internet gateway is attached to subnets

by Dr. Osama M. Khaled — published Aug 21, 2024 Located in Computing / … / Amazon Web Services (AWS) / AWS Networking Essentials

An internet gateway is highly available and scalable

by Dr. Osama M. Khaled — published Aug 01, 2024 — last modified Aug 05, 2024 10:12 PM Located in Computing / … / Amazon Web Services (AWS) / AWS Networking Essentials

An Introduction to the Integers

by Dr. Osama M. Khaled — published Dec 12, 2025 — last modified Dec 14, 2025 04:54 AM — filed under: Year 7

Let's see how negative numbers can explain situations that cannot be explained by the positive integers

Located in Mathematics / Basic Arithmetic / Integers

An Introduction to the Whole Numbers

by Dr. Osama M. Khaled — published May 25, 2025 — last modified May 13, 2026 08:19 AM

The whole numbers are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, and so on. They are used to answer questions such as How many?, How fast?, and How far?

Located in Mathematics / Basic Arithmetic / Whole Numbers

An IoT solution has some fundamental requirements necessary to enrich the raw IoT data and transform them into useful information

by Dr. Osama M. Khaled — published Aug 28, 2023 — last modified Aug 30, 2023 11:34 PM Located in Computing / … / Internet of Things / Internet of Things Overview

An IPv4 address is a 32-bits IP address

by Dr. Osama M. Khaled — published Aug 01, 2024 — last modified Aug 05, 2024 10:12 PM Located in Computing / … / Amazon Web Services (AWS) / AWS Networking Essentials

An object falling from a very high platform achieves a speed of ______ by end of second second

by Dr. Osama M. Khaled — published May 25, 2022 — last modified May 30, 2025 09:04 PM Located in Physics / Force and Motion / Gravity acceleration

An object falling from a very high platform achieves a speed of ______ by end of third second

by Dr. Osama M. Khaled — published May 25, 2022 — last modified May 30, 2025 09:04 PM Located in Physics / Force and Motion / Gravity acceleration

An object falling from rest

by Dr. Osama M. Khaled — published Aug 05, 2022 — last modified May 30, 2025 09:11 PM Located in Physics / Force and Motion / Force and Motion - General

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