An IP datagram has arrived with the following partial information in the header (in hexadecimal):

45000054 00030000 2006...

a. What is the header size?
b. Are there any options in the packet?
c. What is the size of the data?
d. Is the packet fragmented?
e. How many more routers can the packet travel to?
f. What is the protocol number of the payload being carried by the packet?