A deliberate attack from outside
b. A deliberate or accidental attack from inside
c. Misuse by customers
d. Misuse by employees
13. Which two factors have recently in?¬‚uenced the increase in threats from hackers?
(Choose two.)
a. Hacker tools require more technical knowledge to use.
b. Hacker tools have become more sophisticated.
c. The number of reported security threats has remained constant year to year.
d. Hacker tools require less technical knowledge to use.
14. Which of the following four attacks are classi?¬?ed as access attacks? (Choose two.)
a. Password attacks
b. DDoS
c. Trojan horse
d. Love Bug
Review Questions 129
15. Which two statements about the purpose of the OSI model are accurate? (Choose two.)
a. The OSI model de?¬?nes the network functions that occur at each layer.
b. The OSI model facilitates an understanding of how information travels throughout
a network.
c. The OSI model ensures reliable data delivery through its layered approach.
d. The OSI model allows changes in one layer to affect the other layers.
16. Match each OSI layer to its function.
____1. physical
____2. data link
____3. network
____4. transport
____5. session
____6. presentation
____7. application
a.
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