BU 460 Electronic Commerce Exam 4 & 5 | Ashworth College

Electronic Commerce – Exam 4 & 5

Question 1 2..5 points

Which of the following statements about public key encryption is true?

Question options:


Public key encryption uses three mathematically related digital keys.


Public key encryption ensures message integrity.


Public key encryption is based on the idea of irreversible mathematical functions.


Public key encryption ensures authentication of the sender.

Question 2 2..5 points

Which of the following is an example of an integrity violation of e-commerce security?

Question options:

An unauthorized person intercepts an online communication and changes its
contents.


A website is not actually operated by the entity the customer believes it to be.


A customer denies that they are the person who placed the order.


A merchant uses customer information in a manner not intended by the customer.

Question 3 2..5 points

Which of the following is a botnet typically used for?

Question options:


Installing PUPs


DDoS attacks


Phishing attacks


Delivering a "payload"

, Question 4 .5 points

Proxy servers are also known as

Question options:


firewalls.


application gateways.


dual home systems.


packet filters.

Question 5 2..5 points

A digital certificate contains all the following, except the

Question options:


digital signature of the certification authority.


subject's public key.


digital certificate serial number.


subject's private key.

Question 6 2..5 points

PayPal is an example of a(n) _______ system.

Question options:


online stored value payment


accumulating balance


digital checking


digital credit card

Question 7 2..5 points

Which of the following is an example of malicious code?