Which Three Addresses Are Valid Public Addresses Choose Three

Valid Public Addresses: Unlocking Network Connectivity

In the realm of networking, public IP addresses are crucial for establishing communication between devices across the internet. But with the vast number of IP addresses available, it’s essential to distinguish valid public addresses from private ones. Here are three key addresses that meet this criteria:

  1. Any address within the range
  2. Any address within the range
  3. Any address within the range

These ranges of addresses are specifically designated for public use and are routed across the internet. By understanding which addresses are valid, network administrators and users can ensure seamless connectivity and avoid potential security vulnerabilities.

Which Three Addresses Are Valid Public Addresses Choose Three

Valid Public Addresses: A Guide to Understanding Internet Conventions

In the vast expanse of the digital realm, public addresses play a pivotal role in connecting devices and enabling communication. These addresses serve as unique identifiers, allowing devices to locate each other and exchange information across networks. Within the realm of public addresses, three specific types hold significant importance:

1. Internet Protocol (IP) Address

Internet Protocol (IP) Address

An IP address is a unique numerical label assigned to each device connected to a network. It consists of four sets of numbers separated by periods, with each set representing a byte. IP addresses serve as the cornerstone of internet communication, enabling devices to identify and communicate with each other.

2. Domain Name System (DNS) Address

Domain Name System (DNS) Address

A DNS address is a user-friendly representation of an IP address. It consists of a series of words or characters that correspond to a specific IP address. DNS addresses make it easier for users to remember and access websites and other online resources without having to memorize numeric IP addresses.

3. Media Access Control (MAC) Address

Media Access Control (MAC) Address

A MAC address is a unique identifier assigned to a network interface card (NIC). It is a physical address burned into the NIC hardware, providing a permanent identification number. MAC addresses are used for local network communication, such as within a home or office network.

Importance of Understanding Public Addresses

Understanding the concept of public addresses is essential for several reasons:

  • Device identification. Public addresses provide unique identifiers for devices connected to a network, allowing them to be recognized and distinguished from each other.
  • Communication. Public addresses enable devices to communicate by providing a specific endpoint for data transmission.
  • Network management. Public addresses aid network administrators in managing and troubleshooting network issues, such as identifying and resolving connectivity problems.
  • Security. Public addresses can be used for security purposes, such as implementing access control measures and detecting malicious activity.

Choosing Valid Public Addresses

When choosing public addresses, it is important to ensure that they are valid and conform to established standards:

  • IP addresses must be unique within a given network and adhere to the Internet Assigned Numbers Authority (IANA) guidelines.
  • DNS addresses must follow the Domain Name System (DNS) naming conventions and be registered with the appropriate domain name registrar.
  • MAC addresses must be unique and conform to the IEEE 802 standards.


Public addresses serve as the foundation for communication and connectivity in the digital realm. Understanding the different types of public addresses, their importance, and how to choose valid ones is crucial for effective network management and seamless online communication. By embracing these concepts, individuals and organizations can navigate the digital landscape with confidence and efficiency.

Frequently Asked Questions (FAQs)

  1. What is the difference between an IP address and a MAC address?
  • An IP address is a logical address that identifies a device on a network, while a MAC address is a physical address that uniquely identifies the network interface card in a device.
  1. Can multiple devices have the same IP address?
  • No, IP addresses are unique within a network segment, ensuring that each device has a distinct identifier.
  1. How do DNS addresses help make the internet easier to use?
  • DNS addresses translate human-readable domain names into numeric IP addresses, making it easier for users to access websites and online resources without having to memorize complex IP addresses.
  1. What happens if a device’s MAC address changes?
  • Network communication may be disrupted, as other devices on the network will no longer be able to identify the device with its previous MAC address.
  1. How important is network security when it comes to public addresses?
  • Network security is crucial, as public addresses can be used for malicious purposes, such as spoofing and hacking. Implementing strong security measures, including encryption and authentication, is essential to protect network devices and data.

Video Public and Private IP Addresses