Review Questions 279
Review Questions
- What is the hexadecimal value of a NOP instruction in an Intel system?
A. 0x99
B. 0x90
C. 0x80
D. 99x0- Which pointer in a program stack gets shifted or overwritten during a successful overflow
attack?
A. ESP
B. ECP
C. EIP
D. EBP - Groups and individuals who hack systems based on principle or personal beliefs are known
as.
A. White hats
B. Black hats
C. Script kiddies
D. Hacktivists - Jason is the local network administrator who has been tasked with securing the network
from possible DoS attacks. Within the last few weeks, some traffic logs appear to have
internal clients making requests from outside the internal LAN. Based on the traffic Jason
has been seeing, what action should he take?
A. Throttle network traffic.
B. Update antivirus definitions.
C. Implement egress filtering.
D. Implement ingress filtering. - Which DoS attack sends traffic to the target with a spoofed IP of the target itself?
A. Land
B. Smurf
C. Teardrop
D. SYN flood