$3.$ Consider the DHCP message below in figure $3,$ and answer the following questions: $($Reference: Cisco Prime Network Registrar $8\mathrm{.}1$ User Guide$)$ a$.$ Draw a schematic that shows all encapsulations to the DHCP message? b$.$ What protocol is running on the top link layer? c$.$ What protocol is running on the top Network layer? d$.$ What is the subnet mask? e$.$ What is the source port number in this DHCP message? f$.$ What is the destination port number in this DHCP message? g$.$ Locate the DHCP MAGIC COOKIE $($decimal value$=99\mathrm{.}130\mathrm{.}83\mathrm{.}99)?$ h$.$ What type of DHCP message in figure $3?$ i$.$ What is the IP address lease time in seconds? j$.$ What is the DHCP server IP address? k$.$ What is the default gateway IP address? l$.$ What is the DNS server IP address? m$.$ What is the domain name? n$.$ What does Option$(255)$ means?