You work as a Chief Security Officer for Tech Perfect Inc. The company has an internal room
without any window and is totally in darkness. For security reasons, you want to place a device in
the room. Which of the following devices is best for that room?

In which of the following Person-to-Person social engineering attacks does an attacker pretend to
be an outside contractor, delivery person, etc., in order to gain physical access to the
organization?

John works as an Ethical Hacker for company Inc. He wants to find out the ports that are open in
company’s server using a port scanner. However, he does not want to establish a full TCP
connection. Which of the following scanning techniques will he use to accomplish this task?

Which of the following layers of the OSI model provides non-repudiation services?

You work as a Network Administrator for McNeil Inc. The company has a TCP/IP-based network.
Performance of the network is slow because of heavy traffic. A hub is used as a central connecting
device in the network. Which of the following devices can be used in place of a hub to control the
network traffic efficiently?

Which of the following categories of access controls is deployed in the organization to prevent all
direct contacts with systems?

Which of the following is an infrastructure system that allows the secure exchange of data over an
unsecured network?

Which of the following algorithms is found to be suitable for both digital signature and encryption?

Which of the following is responsible for maintaining certificates in a public key infrastructure
(PKI)?

Which of the following authentication methods is based on physical appearance of a user?