CISSP-ISSAP Free Practice Test

Which of the following two components does Kerberos Key Distribution Center (KDC) consist of? Each correct answer represents a complete solution. Choose two.

1. A. Data service
2. B. Ticket-granting service
3. C. Account service
4. D. Authentication service

Correct Answer: BD

Kerberos is a computer network authentication protocol that allows individuals communicating over a non-secure network to prove their identity to one another in a secure manner. Which of the following statements are true about the Kerberos authentication scheme? Each correct answer represents a complete solution. Choose all that apply.

1. A. Kerberos requires continuous availability of a central serve
2. B. Dictionary and brute force attacks on the initial TGS response to a client may reveal the subject\'s password
3. C. Kerberos builds on Asymmetric key cryptography and requires a trusted third part
4. D. Kerberos requires the clocks of the involved hosts to be synchronize

Correct Answer: ABD

In which of the following network topologies does the data travel around a loop in a single direction and pass through each device?

1. A. Ring topology
2. B. Tree topology
3. C. Star topology
4. D. Mesh topology

Correct Answer: A

Your customer is concerned about security. He wants to make certain no one in the outside world can see the IP addresses inside his network. What feature of a router would accomplish this?

1. A. Port forwarding
2. B. NAT
3. C. MAC filtering
4. D. Firewall

Correct Answer: B

Which of the following two cryptography methods are used by NTFS Encrypting File System (EFS) to encrypt the data stored on a disk on a file-by-file basis?

1. A. Twofish
2. B. Digital certificates
3. C. Public key
4. D. RSA

Correct Answer: BC