Scenario : You are working as a pre-sales engineer in an IT company, you have been assigned to design, implement a network infrastructure for a client company, The Company HQ in London consist of 5 departments. The distribution of workstation shown in table 1, describe the requirement of each department, the director instructed you to use private IP address of 10.10.0.0/24.

Department

Devices

Finance

11 Computer & Printer

Design

22 Computers & Printer

Sales

10 computers & printer

LAB

19 computers & printer

HR

12 computers & printer

Table 1: workstation and server distribution and requirements

Explain the principles of IP addressing based on IPv4 and discuss the key practical issues in implementing IP addressing, based on which subnet the above network IP address based on given requirements including the future possible expansion both as a number of departments and users in each department.