IT - Network Configuration Model (1)
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School
Southern New Hampshire University *
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Course
IT-200
Subject
Information Systems
Date
Feb 20, 2024
Type
docx
Pages
5
Uploaded by ChiefReindeerPerson1058
IP Address and DNS: An IP address is a numerical label assigned to each device in a computer network that uses the Internet Protocol for communication. It serves the purpose of identifying hosts or network interfaces and locating them on the network. IP addresses play a critical role in enabling communication over a network by allowing devices to be identified and located, which in turn facilitates routing data packets to their correct destinations. This addressing system is essential for internet communication and
the overall functioning of diverse network services. In addition to IP addressing, the Domain Name System (DNS) translates human-readable domain names into IP addresses. This translation helps users to access websites using memorable names rather than numerical IP addresses. DNS plays a crucial role in enhancing user experience by simplifying resource access in web browsing, email services, and other internet applications. The combined operation of IP addressing, and DNS ensures efficient and user-
friendly internet navigation, which is fundamental to the functionality of the World Wide Web.
Server and Client: A server is a computer or system that provides services or resources to other computers, known as clients, within a network. Servers are designed to handle requests, process data, and deliver responses, making them a crucial component of network environments. They host applications, databases, files, and various resources, and play a central role in facilitating centralized control, data storage, and resource sharing. Common server types include file servers, web servers, database servers, and email servers. However, a client is a computer or device that requests services or resources from a server. Examples of clients include personal computers, laptops, smartphones, and tablets. Clients interact with servers to access files, applications, and shared resources. They initiate requests in a collaborative networked environment. The collaboration between servers and clients is fundamental to the effective functioning and collaboration within a networked infrastructure.
VPN: VPN or Virtual Private Network is a secure network connection that is established over the internet. It allows users to create a private and encrypted communication channel between two or more
devices. This connection enables users to access a private network remotely as if they were physically present at the network's location. VPNs play a vital role in ensuring privacy and data integrity while accessing corporate networks remotely. They are widely used for enhancing security, bypassing geographical restrictions, and protecting sensitive information during data transmission. VPNs are highly
important in today's world of remote work and online communication, providing a secure and encrypted
connection to protect sensitive data from cyber threats.
Firewalls: A firewall is a tool that monitors and regulates incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between trusted internal networks and untrusted external networks, such as the internet. Firewalls play a crucial role in network security as they protect against unauthorized access, cyber threats, and malicious activities. Firewalls inspect and filter traffic, allowing or blocking data packets according to established security policies, making them a key component in safeguarding network infrastructure.
LANs and WANs: A Local Area Network (LAN) is a network that covers a small geographic area, typically within a single building or campus. It connects computers, devices, and resources to enable local communication and resource sharing. LANs facilitate fast and efficient communication between devices in a limited area and are commonly used in offices, homes, and educational institutions for sharing files, printers, and internet access among connected devices.
In contrast, a Wide Area Network (WAN) covers a broad geographic area, connecting multiple LANs or other networks over long distances. WANs use various technologies, such as leased lines, satellite links, or the internet, to interconnect remote locations. WANs are crucial for enabling communication and data exchange between geographically dispersed locations, connecting branch offices, data centers, and remote users. The internet itself is a global WAN that connects networks worldwide.
Network Configuration for Justin Altuve's Photography Business
Overview
Justin Altuve operates a small photography business from his home. His network configuration is designed to provide internet connectivity, information security, and seamless data transfer for his various devices.
Components
Cable Modem
Wireless Router
Firewall
Desktop PC
Laptop
IP Phone
Printer
Digital Camera
Configuration
Hardware Setup
Cable Modem:
Connect the cable modem to the internet service provider's (ISP) network using an Ethernet cable.
Wireless Router:
Connect the wireless router to the cable modem using an Ethernet cable.
Power on the wireless router and configure the network settings (SSID, password, etc.) for wireless access.
Firewall:
Ensure the firewall is positioned between the cable modem and the wireless router to protect the network from unauthorized access.
Devices:
Connect the desktop PC, laptop, IP phone, printer, and digital camera to the wireless router using either Ethernet cables or wirelessly through the configured network.
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Network Configuration
Wireless Network:
Configure the wireless router to provide a secure Wi-Fi network for Justin's devices, utilizing WPA2 or WPA3 encryption for enhanced security.
Wired Network:
Utilize Ethernet connections for the desktop PC and any other devices that support wired connections for a more stable network connection.
IP Phone:
Justin should connect his IP phone to the router using an Ethernet cable. He should ensure that the phone has the latest firmware installed and that he has changed the default login credentials for added security. Also assign a static IP address to the IP phone for consistent connectivity and easier network management.
Printer:
Justin should connect his printer to the router using an Ethernet cable or wirelessly. He should ensure that the printer has the latest firmware installed.
Security Measures
Firewall Configuration:
Set up the firewall to monitor and control incoming and outgoing network traffic, protecting the network from unauthorized access and potential threats.
Network Encryption:
Enable WPA2 or WPA3 encryption on the wireless router to secure the Wi-Fi network and prevent unauthorized access.
Device Security:
Ensure that all devices are protected with up-to-date antivirus software and security patches to mitigate the risk of malware and cyber threats.
Data Transfer
Digital Camera Sync:
Utilize a secure method such as USB connection or a secure Wi-Fi network to regularly sync the digital camera with the laptop for seamless data transfer.
Data Backup:
Implement a routine backup system to safeguard Justin's photography work and ensure data integrity in case of hardware failures or data loss.
Conclusion
By implementing this network configuration, Justin Altuve can ensure secure internet connectivity, protect his business data, and facilitate efficient data transfer between his various devices, ultimately supporting the operations of his small photography business.