Sketch a diagram of a telephone network. Be sure to include key components, such astelephones, telephone lines, switches, and any other relevant elements. Label the components on your diagram ot demonstrate your understanding.$($a$)$ In your diagram, label and describe the function of the following components: i$.$ Telephoneii. Telephone Linei. Switchiv. Central Office $($CO$)$ ~ v$.$ Trunk Line$($b$)$ Explain the purpose of a Central Office $($CO$)$ ni a telephone network. How does it connect calls between different telephones? Scanned with CamScanner $($c$)$Whatsihte roleofatrunkline inatelephonenetwork?Howdoesitdiferfromalocaltelephone line?$($d$)$ Discuss the differencebetween a landline telephone network and a modern cellularnetwork. What advantages and disadvantages do each have?$($e$)$ How has the advancement of digital technology, such as Voice over IP $($VoIP$),$ impacted traditional telephone networks? Provide examples of how VolP has changed communication methods.$(1)$ In the context of network security, explain one potential vulnerability or t