Write a narrative essay (minimum of 1000-1200 words) which addresses the questions and statements below. A minimum of three scholarly sources are required, and all sources should be cited and referenced in APA format.

What are the principal components of telecommunications networks and key networking technologies? How are modern telephone and computer networks different from what firms used in the past?
What are some of the common types of physical transmission media and what differentiates them from one another?
What are the security challenges faced by wireless networks?
How do enterprise systems help businesses achieve operational excellence?
Refer to the case study Clemens Food Group Delivers with New Enterprise Applications. Was SAP S/4HANA a good solution for Clemens Food Group? Explain your answer. The case study can be found on uTube.