Q. Firewalls can be of _______ kinds.
✅ Correct Answer: (C)
3
Information Cyber Security MCQs and Notes
Q. Which layer of the OSI reference model does IPsec work at?
✅ Correct Answer: (C)
layer 3
Q. Which layer of the OSI reference model does PPTP work at?
✅ Correct Answer: (B)
layer 2
Q. L2F was developed by which company?
✅ Correct Answer: (B)
cisco
Q. ESP (Encapsulating Security Protocol) is defined in which of the following standards?
✅ Correct Answer: (A)
ipsec
Q. Which layer 3 protocols can be transmitted over an L2TP VPN?
✅ Correct Answer: (D)
ip and ipx
Q. Traffic in a VPN is NOT ____________
✅ Correct Answer: (C)
accessible from unauthorized public networks
Q. Which of the following statements is NOT true concerning VPNs?
✅ Correct Answer: (D)
is the backbone of the internet
Q. What protocol is NOT used in the operation of a VPN?
✅ Correct Answer: (C)
ymum
Q. When were VPNs introduced into the commercial world?
✅ Correct Answer: (D)
late 90’s