Andy and Betty both use PGP.  They have never communicated in any way.  Andy finds a web page that claims to show Betty’s email address and her PGP public key.  He wants to send an email message to Betty and use PGP for authentication.  Explain how Andy can confident that he has the correct public key for Betty, using the process discussed in this course.  Note: Andy has no way to contact Betty other than email. 

See the previous question.  The IDS raised an alert as a result of the student’s action, but took no other action.  What is the name commonly used for this type of IDS response and explain why the name is appropriate.  

When a user logs in, she must enter her User ID, password associated with that User ID, and her mother’s maiden name.  This is an example of multi‑factor authentication. 

Most SNMP messages follow the typical client‑server paradigm (where the client sends a request and the server sends a response) but one SNMP message type is quite different.  State the name of this different message type, explain how it is used, and provide a real‑life example where it might be used (as discussed in a lecture in this course).   

What is the primary purpose of a honeypot?

Assume that GMU uses Kerberos and participates with VCU in a Kerberosrealm.  Kerry works at GMU.  Kerry wants to utilize an application hosted on a VCU server to which she is allowed to access.   Describe how she will be authenticated by the VCU server and describe what happens with each server.    State any assumption(s) you made in your answer. 

In this course we described a typical configuration for a firewall.  The configuration has 3 subnetworks, commonly called “zones”.  In the lectures, we discussed a configuration using 1 firewall to protectthe 3 zones and another configuration using 2 firewalls to protect the zones.  What is the configuration called when using 2 firewalls?     

1. Yes or No: Will Veronica be able to verify that Sigmund created the message?   Explain your answer.  2. Yes or No: Will Reese be able to verify that Sigmund created the message?  Explain your answer. 

The pineal gland is used as a brain orientation reference landmark for brain X-rays.

Which of the following is most likely to occur in the arteriovenous shunts present in the blood vessels of the finger tips and toes?