CompTIA Updated CS0-002 Exam Questions and Answers by brooklyn

TAXII stands for Trusted Automated eXchange of Indicator Information, and it is a server component of a threat management system that can facilitate the exchange of threat intelligence data between different sources and consumers, using a standard protocol and format. TAXII can help deploy a threat management system with minimal human interaction, by automating the collection, processing, and dissemination of threat intelligence data.

Logical segmentation is a technique that divides a network into smaller, isolated segments based on logical criteria, such as function, role, or application. Logical segmentation can be implemented using various technologies, such as VLANs, subnets, virtual firewalls, or software-defined networking (SDN). Logical segmentation can enhance the security of a network by reducing the attack surface, limiting the lateral movement of threats, enforcing the principle of least privilege, and facilitating the monitoring and auditing of network traffic12.

Firewall is a device or software that filters and controls the incoming and outgoing network traffic based on predefined rules or policies. Firewall can be deployed at the network perimeter or within the network to create internal zones or segments. Firewall can protect a network from unauthorized access, malicious attacks, or data exfiltration by allowing or blocking traffic based on the source, destination, port, protocol, or application3 .

To best provide the protection that meets the requirements of the security engineer, each product line should be logically segmented and firewalled to control inbound and outbound connectivity. This way, each product line can be secured using a single posture that is consistent and manageable. Each product line can also communicate with the other lines in a least privilege method by allowing only the necessary traffic and blocking the rest. Access to each product line from the rest of the network can be strictly controlled by applying firewall rules that restrict or limit the traffic based on the business needs.

This would limit the FTP server’s access to a specific directory tree and prevent directory traversal attacks that could access files outside of that tree. Implementing file-level encryption, supporting FTPS, or upgrading the FTP server would not prevent directory traversal attacks.

Port triggering is a technique that allows inbound traffic to access certain ports on a device only after an outbound traffic request has been made from those ports. It can enhance the security and performance of a device by opening ports only when needed and closing them when not in use. The output from the network enumeration activities shows that port 21 (FTP) and port 22 (SSH) are open only after port 80 (HTTP) has been accessed, which indicates that port triggering is most likely being used. A web application firewall, an intrusion prevention system, port isolation, or port address translation are other techniques that can affect network traffic, but they do not match the description of the output from the network enumeration activities. Reference: https://www.techopedia.com/definition/3846/port-triggering