Heather has been tasked with setting up and implementing VPN tunnels to remote offices. She will most likely be implementing IPsec VPN tunnels to connect the offices. At what layer of the OSI model does an IPsec tunnel function on?

1. A. They work on the session layer.
2. B. They function on either the application or the physical layer.
3. C. They function on the data link layer
4. D. They work on the network layer

Correct Answer: D

An attacker uses different types of password cracking techniques to crack the password and gain unauthorized access to a system. An attacker uses a file containing a list of commonly used passwords. They then upload this file into the cracking application that runs against the user accounts. Which of the following password cracking techniques is the attacker trying?

1. A. Bruteforce
2. B. Rainbow table
3. C. Hybrid
4. D. Dictionary

Correct Answer: D

Identify the network topology where each computer acts as a repeater and the data passes from one computer to the other in a single direction until it reaches the destination.

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

Correct Answer: A

Chris is a senior network administrator. Chris wants to measure the Key Risk Indicator (KRI) to assess the organization. Why is Chris calculating the KRI for his organization? It helps Chris to:

1. A. Identifies adverse events
2. B. Facilitates backward
3. C. Facilitates post Incident management
4. D. Notifies when risk has reached threshold levels

Correct Answer: AD

What is the name of the authority that verifies the certificate authority in digital certificates?

1. A. Directory management system
2. B. Certificate authority
3. C. Registration authority
4. D. Certificate Management system

Correct Answer: D