For IP networking do the following a$)$ A router has an IP address of $108\mathrm{.}5\mathrm{.}18\mathrm{.}22$ It sends a direct broadcast packet to all hosts in this network. What are the source and destination IP addresses used in this packet? b$)$ A host with IP address $108\mathrm{.}67\mathrm{.}18\mathrm{.}70$ sends a limited broadcast packet to all hosts in the same network. What are the source and destination IP addresses used in this packet? c$)$ A host with IP address $185\mathrm{.}67\mathrm{.}89\mathrm{.}34$ needs loopback testing. What are the source and destination addresses? d$)$ A host with IP address $123\mathrm{.}27\mathrm{.}19\mathrm{.}24$ sends a message to a host with IP address $123\mathrm{.}67\mathrm{.}89\mathrm{.}56$ using the $$Specific Host on This Network$$ special address. What are the source and destination addresses?