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Qualification - Level 5 Pearson BTEC HND in Computing

Unit Name - Network Management

Unit Number - Unit 35

Unit Level - Level 4

Assignment Title - Networking Management Solution

Learning Outcome 1: Explore the concepts and principles of Network Management

Answer: Network management encompasses a broad set of concepts and principles essential for ensuring the efficient, reliable, and secure operation of a network. At its core, it involves the systematic monitoring, configuration, analysis, and maintenance of all network components, from hardware like routers and switches to software applications and services. Key principles revolve around the "FCAPS" model: Fault, Configuration, Accounting, Performance, and Security management. Fault management focuses on detecting, isolating, correcting, and logging network failures to minimize downtime. Configuration management deals with tracking and controlling network device configurations and software versions to maintain consistency and enable rapid recovery. Accounting management involves tracking network resource usage for billing, planning, and capacity management. Performance management focuses on monitoring and analyzing network performance metrics like latency, throughput, and error rates to identify bottlenecks and optimize resource allocation. Finally, security management implements policies and procedures to protect network assets from unauthorized access, misuse, modification, or destruction. Together, these concepts and principles provide a holistic framework for effectively managing complex network infrastructures, ensuring optimal performance, availability, and security for users and services.

Learning Outcome 2: Plan, Design, Setup and Configure a network

Answer: Planning, designing, setting up, and configuring a network are interconnected phases crucial for establishing a robust and efficient communication infrastructure. Planning begins by defining the network's purpose, scope, and requirements, including the number of users, types of devices, applications, data volume, security needs, and budget. This phase involves assessing current infrastructure, forecasting future growth, and selecting appropriate technologies (e.g., wired, wireless, fiber optic). Designing translates these requirements into a detailed blueprint, specifying the network topology (e.g., star, mesh, hierarchical), IP addressing scheme, hardware components (routers, switches, firewalls, access points), and software solutions. This phase prioritizes scalability, redundancy, security, and performance optimization, ensuring the design can meet both present and future demands. Setting up the network involves the physical installation of chosen hardware, cabling, and infrastructure. This includes deploying devices in optimal locations, running network cables, connecting power, and establishing initial connectivity. Finally, configuring the network entails programming the devices with the designed settings, such as assigning IP addresses, setting up routing protocols, configuring VLANs, implementing security policies (firewall rules, access controls), and establishing Quality of Service (QoS) parameters. This meticulous configuration ensures all components communicate effectively, data flows efficiently, and the network operates securely according to the planned specifications.

Learning Outcome 3: Justify the Protocols and Standards concerned with Networking and Network Management.

Answer: Protocols and standards are the foundational pillars upon which all modern networking, and by extension network management, relies. Without them, the diverse array of hardware and software from countless vendors would be unable to communicate, rendering any form of data exchange impossible. Protocols are the formalized rules and procedures that dictate how data is formatted, transmitted, received, and interpreted across a network. For instance, the Transmission Control Protocol/Internet Protocol (TCP/IP) suite provides the fundamental framework for internet communication, ensuring that data packets are correctly addressed, routed, and reassembled. Similarly, the Hypertext Transfer Protocol (HTTP) enables web Browse by defining how web servers and browsers interact. These protocols ensure interoperability and consistent behavior, allowing disparate devices to understand and process information from one another. Protocols and standards are the foundational pillars upon which all modern networking, and by extension network management, relies. Without them, the diverse array of hardware and software from countless vendors would be unable to communicate, rendering any form of data exchange impossible. Protocols are the formalized rules and procedures that dictate how data is formatted, transmitted, received, and interpreted across a network. For instance, the Transmission Control Protocol/Internet Protocol (TCP/IP) suite provides the fundamental framework for internet communication, ensuring that data packets are correctly addressed, routed, and reassembled. Similarly, the Hypertext Transfer Protocol (HTTP) enables web Browse by defining how web servers and browsers interact. These protocols ensure interoperability and consistent behavior, allowing disparate devices to understand and process information from one another. Standards, developed by bodies like the IEEE (Institute of Electrical and Electronics Engineers) and ISO (International Organization for Standardization), take this a step further by providing globally agreed-upon specifications for technologies. This ensures that different manufacturers' products can work together seamlessly. For example, the Ethernet (IEEE 802.3) standard defines the specifications for local area networks, guaranteeing that an Ethernet card from one vendor can communicate with an Ethernet switch from another. This standardization fosters competition, drives down costs, and simplifies network design and deployment.

Learning Outcome 4: Use tools and methods to manage a network, including Network Security and Risk Management.

Answer: Managing a network effectively, especially concerning network security and risk management, necessitates a strategic combination of specialized tools and well-defined methods. For general network management, tools range from Network Monitoring Systems (NMS) like Nagios or SolarWinds, which provide real-time visibility into network performance, device health, and traffic patterns, to Configuration Management tools that automate device configuration, patching, and compliance checks. Packet analyzers like Wireshark are invaluable for deep-diving into network traffic to troubleshoot connectivity issues or identify suspicious activity. Methods involve continuous monitoring, proactive fault detection and resolution, capacity planning based on performance metrics, and regular network audits to ensure adherence to policies and standards. When it comes to Network Security, a layered approach using various tools and methods is paramount. Firewalls (including next-generation firewalls) are fundamental for controlling incoming and outgoing traffic based on security policies, while Intrusion Detection/Prevention Systems (IDS/IPS) actively monitor for and block malicious activities. Antivirus and Anti-malware software protect endpoints, and Security Information and Event Management (SIEM) systems like Splunk aggregate and analyze security logs from across the network to detect threats and facilitate incident response. Virtual Private Networks (VPNs) secure remote access, and Network Access Control (NAC) manages device and user authentication and authorization. Key methods include implementing strong access controls (like multi-factor authentication), regular vulnerability scanning (e.g., Nessus) and penetration testing (e.g., Metasploit) to identify weaknesses, and establishing comprehensive security policies that cover everything from password complexity to data handling. Risk Management in networking is a continuous process that involves identifying, assessing, mitigating, and monitoring potential threats and vulnerabilities. Tools for this include Risk Registers to document identified risks, their likelihood, and potential impact; Vulnerability Management Platforms that prioritize and track remediation efforts; and Threat Intelligence Platforms that provide insights into emerging threats. Methods involve conducting regular risk assessments (e.g., using a probability and impact matrix), performing security audits to ensure compliance with regulations (like GDPR, HIPAA, or PCI-DSS), and developing incident response plans to effectively handle security breaches. Proactive methods like network segmentation, regular software updates and patching, and comprehensive employee security awareness training are crucial to minimize the attack surface and reduce the likelihood of successful attacks, ultimately safeguarding the organization's assets and reputation.

Assistance with Computer and Network Technology, Unit L/617/2268, part of the OTHM Level 4 Diploma in Business Management.

Purpose of this assignment

The purpose of this assignment is assess the trainees' knowledge and skills when it comes to designing and implementing network management.

Design and practical must used Packet Tracer

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Scenario

DELITECH is a Small Business Enterprise providing computing services to local SMEs including Networking Management, Planning, Setup, Configurations, Testing and Security in Dubai. DELITECH prides itself on providing unrivalled support to its customers. Due to the recent business growth, DELITECH has recently acquired new Middle East Headquarters in Bahrain. DELITECH therefore requires someone who can setup and manage their network at their new Middle East HQ in Bahrain. DELITECH is very conscious about security, especially Network Security for their new Middle East HQ in Bahrain.

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You have recently been employed by DELITECH as their Middle East Junior Network Manager and your principal duties include among other things setting up and managing their network at their new Middle East HQ in Bahrain including implementing a secure working environment in terms of their Network Management. Your task as their newly appointed Middle East junior network manager is to create and manage a prototype network as a proof-of-concept. Your prototype must be accompanied by written material that explains how your networking management solution can increase security and scalability as well as address issues of reliability and availability.

The solution must have suitable technology to support a wired LAN, as well as a secure connection to the Network Cloud via Internet.

• The network must support over 200 workstations over 5 different sub-networks.
• While each system will be a conventional wired LAN, it must also support wireless access for a range of mobile devices.
• Each system is connected to a Core Router or Multilayer Switch, which will provide the secured access to the Internet.
• In addition, all the services running on network will be configured at Network Cloud, there will be an Infrastructure Server and a File Storage server which will be stored over the Network Cloud.
• The Gateway Firewall be configured to provide a robust and secured network. All the network management will be done through the firewall configure at the gateway of network.
• All the workstations in the prototype will communicate through copper cable only. OFC can be used for communication between network devices.

Also, you need to provide a network security drill using any management tools to identify risk and its mitigation. Your demonstration for the security of DELITECH's network must align with the design you have planned and implemented.

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Task 1

• Prepare a report covering the following topics:
1. Conduct a detailed analysis of Networking Management principles and concepts covering devices needed to implement a secure network.
2. A discussion of the importance of Networking Management principles in regards to security protocols and associated technologies that will enable a secure network for DELITECH's new Middle East HQ in Bahrain.

• Design and implement a network prototype using a network simulator (or Lab devices), which incorporates high levels of Network Security features with the following requirements:

1. Firewall Configuration
2. Switches configuration
3. Routers configuration
4. VoIP Configuration (IP Telephony)
5. WAN Links
6. Devices configuration
7. IP addressing
8. Subnetting

Guidance/notes to trainees
Please review the grading criteria for more details on the expected elements and topics that needed to be included

Evidence for this task
Present your answer in the form of a presentation. Submit a softcopy and a hardcopy.
A working prototype (using either a network simulator or lab devices) along with the configuration.

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Task 2

Provide the following written material as a formal report.

• A detailed explanation of how the Network Protocols will work with IPv4 or IPv6 in regards of network management
• In depth analyse of any two network protocols
• Justification about the selection of networking protocols for the prototype to help facilitate a secure networking management environment.

Guidance/notes to trainees
Refer to the unit's assessment criteria for guidance.

Evidence for this task
A formal individual written report (saved in either a Microsoft® Word® or PDF format). All work must be supported with research and referenced using the Harvard referencing system. Please also provide a bibliography using the Harvard referencing system. The recommended word limit is 1,000- 1,500 words, although you will not be penalised for exceeding the total word limit.

Seek assistance with Network Information Systems, Unit R/617/2272, as part of the OTHM Level 5 Diploma in Information Technology.

Task 3

Using any Network Security Management tools demonstrate the following:

• Creating Network Object Group
• Content Filtering (url and app)
• IP Filtering
o User based
o Bandwidth management
o Time scheduling
• Policy defining for Risk Management
• Risk Identification and Avoidance
o Object Blocking

Justify the importance of network Security management in your network.

Guidance/notes to trainees
Refer to the unit's assessment criteria for guidance.

Evidence for this task
Screenshot or screen recording of your network security management. PowerPoint Presentation for justification.

Support with Network Security, Unit 17, within the Higher National Diploma in Computing. Receive unique solutions from professional tutors!

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