solve all please

Explain which attack the following is and which security service category can prevent it. Fathima logged into Banner as Sarah. Question 2 3 out of 3 points Craptography cannot give solution to securty problems. What other cases cryptography cannot help? Question 3 3 out of 3 points Explain which attack the following is and which security service category can prevent it. John sent message "transfer $1000 into Bob's account". Fathima changed the message to transfer $10000 into Bob's account" Question 4 2 out of 3 points Explain which attack the following is and which security service category can prevent it. John sent email to Bob. Fathima captured a copy of the email and resent email to Bob. Question 5 3 out of 3 points Explain which attack the following is and which security service category can prevent it. Fathima has access to email server, but could not see the email content. She could observe only the number of emails, source of emails and size of emails. Question 6 2 out of 3 points Explain why active attacks are easy to prevent