Question $2(25$ marks$)$

a$.)$ Identify and describe the primary challenges in managing such a network. Propose solutions or strategies to address these challenges, ensuring the network remains reliable, secure$,$ and scalable.

$[10$ marks$]$

b$.)$ Explain how upcoming changes in network infrastructure technology and future networking concepts $($such as $5$G$,$ IoT, and AI$-$driven networks$)$ might transform companies communication methods and overall network efficiency. Provide examples of potential benefits and challenges.