Alice Alice@yahoo.com sends a mail to a friend Bob Bob@outlook.com with these three files as separate attachments as below:

a Quarter Yearreports.ppt File size of KB

b Projects.rar

File size of KB

c Pics.tiff

File size KB

i Compute the size of the outgoing mail including mail headers.

ii Compute the size of the outgoing mail if all the three files are archived as one single

rar file and sent out as one single attachments.

iii. Illustrate the MIME based mail structure of the outgoing mail. iv Alice employs SMIME on attachments such that only integrity heck is enabled.

Illustrate the SMIME structure of the outgoing mail.