Managing Networks
Scenario
You have been working in the IT support department for a few months now and it is expanding.
Task 1
Give a presentation explaining the role of network managers to a group of trainee network
technicians.
The content must include:-
A description of current and emerging network technologies.
Content must include:-
• Network technologies: operating systems; protocols; layout; devices
• Networking operating systems: examples eg Windows, Linux
• Networking protocols: eg SNMPv3, ICMP
• Layout: eg cabling, topologies, wireless
• Network devices: servers; workstations; interconnection devices; network cards; vendor specific hardware
Task 2
Describe the purpose of networking tools
• Networking tools: purpose eg fault management, performance management; specific examples of tools eg HP Openview, Cisco Works, Wireshark; using system software eg to find network assets
Task 3
Identify emerging technologies and how they have, or may affect networks
• Impact of emerging technologies: enhanced capabilities eg faster, greater storage capacity, improved control; new work methods eg mobile working, home working, web centric applications; ease of use
• Emerging technologies: examples eg server virtualisation, video on demand
Task 4
Explain the functions of network management
• Network technologies: operating systems; protocols; layout; devices
• Networking operating systems: examples eg Windows, Linux
• Networking protocols: eg SNMPv3, ICMP
• Layout: eg cabling, topologies, wireless
Task 5
Explain the goals of fault management and the consequences of failure
Task 6
Justify why routine network performance management should be carried out, including reference to quality and efficiency
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Sample Solution
As network managers, it is important to understand current and emerging network technologies. This includes understanding concepts such as the Internet of Things (IoT), Network Virtualization, Software Defined Networking (SDN) and Network Functions Virtualization (NFV).
Network technologies such as operating systems, protocols and devices are also essential for effective management. Popular networking operating systems include Windows and Linux while common protocols used within networks include Simple Network Management Protocol version 3 (SNMPv3) or Internet Control Message Protocol (ICMP). Additionally, there are various network layouts that can be utilized including cabling, topologies or wireless options depending on the needs of the organization. The selection of interconnection devices, servers and workstations should also be based on their compatibility with existing hardware so that all components function properly together. Finally vendor specific hardware may need to be purchased in order for certain applications to run optimally on a given device.