PCCET Exam Dumps : Palo Alto Networks Certified Cybersecurity Entry-level Technician

The diagram displays a mesh topology, where each device is connected to every other device in the network. This topology is characterized by the multiple connections each node has, ensuring there is no single point of failure and providing redundant paths for data transmission, enhancing the reliability and resilience of the network. Mesh topology is one of the types of LAN technology that uses ethernet or Wi-Fi to connect devices12. References:

• What Is Local Area Network (LAN)? Definition, Types, Architecture, and Best Practices from Spiceworks
• Types of LAN | Introduction and Classification of LAN from EDUCBA

Web 2.0 applications provide the type of service known as Software as a Service (SaaS). SaaS is a cloud computing model that allows users to access and use web-based applications over the internet, without having to install or maintain any software on their own devices. SaaS applications are hosted and managed by a third-party provider, who is responsible for the security, performance, availability, and updates of the software. SaaS applications are typically accessed through a web browser or a mobile app, and offer features such as user-generated content, social networking, collaboration, and interoperability. Examples of Web 2.0 SaaS applications include Facebook, X, Wikipedia, Gmail, and Salesforce. References:

• What Is Web 2.0? Definition, Impact, and Examples - Investopedia
• Web 2.0 - Wikipedia
• [What is SaaS? Software as a service (SaaS) definition - Salesforce.com]

A “ports first” data security solution is a traditional approach that relies on port numbers to identify and filter network traffic. This approach has several limitations and security weaknesses, such as12:

• Port numbers are not reliable indicators of the type or content of network traffic, as they can be easily spoofed or changed by malicious actors.
• Port numbers do not provide any visibility into the application layer, where most of the attacks occur.
• Port numbers do not account for the dynamic and complex nature of modern applications, which often use multiple ports or protocols to communicate.
• Port numbers do not support granular and flexible policies based on user identity, device context, or application behavior. One of the security weaknesses that is caused by implementing a “ports first” data security solution in a traditional data center is that you may have to open up multiple ports and these ports could also be used to gain unauthorized entry into your datacenter. For example, if you have a web server that runs on port 80, you may have to open up port 80 on your firewall to allow incoming traffic. However, this also means that any other service or application that uses port 80 can also access your datacenter, potentially exposing it to attacks. Moreover, opening up multiple ports increases the attack surface area of your network, as it creates more entry points for attackers to exploit34. References: Common Open Port Vulnerabilities List - Netwrix, Optimize security with Azure Firewall solution for Azure Sentinel | Microsoft Security Blog, Which item accurately describes a security weakness that is caused by …, Which item accurately describes a security weakness … - Exam4Training