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Which cryptographic attack refers to the extraction of cryptographic secrets (e.g. the password to an encrypted file) from a person by coercion or torture?
A. Ciphertext-only Attack
B. Chosen-ciphertext Attack
C. Adaptive Chosen-plaintext Attack
D. Rubber Hose Attack
ANSWER : D
Which one of the following scanning techniques do attackers use to bypass firewall rules, logging mechanism, and also hide themselves as usual network traffic?
A.. Stealth scanning technique
B. TCP connect scanning technique
C. Xmas scanning technique
D. Maintaining Access
E. FIN scanning technique
ANSWER : A
A wireless antenna is an electrical device which converts electric currents into radio waves, and vice versa. Which antenna is used in wireless base stations and provides a 360 degree horizontal radiation pattern?
A. Omnidirectional antenna
B. Parabolic grid antenna
C. Yagi antenna
D. Dipole antenna
ANSWER : A
Which following OSI layer is responsible for encoding and decoding data packets into bits?
A. Application layer
B. Session layer
C. Data link layer
D. Network layer
ANSWER : C
CAM table in switch stores information such as MAC addresses available on physical ports with their associated VLAN parameters. What happens when the CAM table is full?
A. Additional ARP request traffic will not be forwarded to any port on the switch
B. The switch will stop functioning and get disconnected from network
C. Additional ARP request traffic will flood every port on the switch
D. It does not affect the switch functioning
ANSWER : C