QUESTION: 33

What is the known plaintext attack used against DES which gives the result that encrypting plaintext with one DES key followed by encrypting it with a second DES key is no more secure than using a single key?

Man-in-the-middle attack
Meet-in-the-middle attack
Replay attack
Traffic analysis attack

Answer(s): B

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QUESTION: 34

Steve, a scientist who works in a governmental security agency, developed a technological solution to identify people based on walking patterns and implemented this approach to a physical control access.
A camera captures people walking and identifies the individuals using Steve’s approach.
After that, people must approximate their RFID badges. Both the identifications are required to open the door. In this case, we can say:

Although the approach has two phases, it actually implements just one authentication factor
The solution implements the two authentication factors: physical object and physical characteristic
The solution will have a high level of false positives
Biological motion cannot be used to identify people

Answer(s): B

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QUESTION: 35

What is not a PCI compliance recommendation?

Use a firewall between the public network and the payment card data.
Use encryption to protect all transmission of card holder data over any public network.
Rotate employees handling credit card transactions on a yearly basis to different departments.
Limit access to card holder data to as few individuals as possible.

Answer(s): C

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QUESTION: 36

What is the minimum number of network connections in a multihomed firewall?

Answer(s): A

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