a)Which of the following is considered the first line of defense against human behavior? Explain.
C) Physical security
D) Business continuity planning
b) Select from the following the best definition of security risk analysis:
A) Risk analysis looks at the probability that a vulnerability exists in your system.
B) Risk analysis looks at the probability that your security measures won’t stop a hacker breaking in to your system.
C) Risk analysis looks at the probability that a hacker may break in to your system.
D) Risk analysis determines what resources you need to protect and quantifies the costs of not protecting them.
E) Risk analysis looks at the consequences of being connected to the Internet.
c) Which answer governs how a network might be configured and operated as well as how people are expected to behave on it? Explain.
A) Network documentation
d) Which answer is one that contains actions to be taken in a certain situation like how long before users must change passwords, actions to take if an infiltration takes place or a users steals corporate date? Explain.
PROBLEM 2 – Networking Fundamentals (20 points)
(5 pts each)
a) While using which type of networking device would each host ‘see’ all other traffic on the network?
A) Network Switch
B) Network Router
C) Network Hub
D) Token Ring Network
b) Which type of network device divides broadcast domains? Explain.
c) What destination MAC Address would be added to a packet on the route to a remote computer? Explain.
A) MAC Address of the far side of the default gateway
B) MAC Address of your computer
C) Exterior MAC Address of the remote Server
D) Interior MAC address of default gateway
d) You have two network segments separated by a router. A host on one segment does an ARP request for a certain IP Address. Would that request cross the router? Explain.
A) Yes, because routers forward broadcasts
B) Yes, if there is a hub between segments
C) Only if you have a Caching Engine
D) No, routers do not forward broadcasts
PROBLEM 3 – Cryptography Fundamentals (20 points)
(5 pts each)
a) Users in your organization sign their emails with digital signatures. What provides integrity for these certificates? Explain.
D) Private key
b) Bob wants to send a secure email to Alice so he decides to encrypt it. Bob wants to ensure that Alice can verify that he sent it. Which of the following does Alice need to verify the certificate that Bob used in this process is valid? Explain.
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