Palo Alto Networks PCCET Practice Test - Questions Answers, Page 6

Containers are portable and lightweight alternatives to virtual machines that allow developers to package, isolate, and deploy applications across different cloud environments. Containers simplify the building and deploying of cloud native applications by providing consistent and efficient development, testing, and production environments. Containers also offer benefits such as rapid provisioning, high scalability, resource optimization, and security isolation.Reference:

What are containerized applications?from Google Cloud

What are containers and why do you need them?from IBM Developer

Embracing containers for software-defined cloud infrastructurefrom Red Hat

Signature-based antivirus software is a type of security software that uses signatures to identify malware. Signatures are bits of code that are unique to a specific piece of malware.When signature-based antivirus software detects a piece of malware, it compares the signature to its database of known signatures12. If a match is found, the software can do three things to provide protection:

Alert system administrators: The software can notify the system administrators or the users about the malware detection, and provide information such as the name, type, location, and severity of the malware.This can help the administrators or the users to take appropriate actions to prevent further damage or infection3.

Quarantine the infected file: The software can isolate the infected file from the rest of the system, and prevent it from accessing or modifying any other files or processes.This can help to contain the malware and limit its impact on the system4.

Delete the infected file: The software can remove the infected file from the system, and prevent it from running or spreading.This can help to eliminate the malware and restore the system to a clean state4.

What is a signature-based antivirus? - Info Exchange

What is a Signature and How Can I detect it? - Sophos

How Does Heuristic Analysis Antivirus Software Work?

What Is Signature-based Malware Detection? | RiskXchange

Prisma Access provides firewall as a service (FWaaS) that protects branch offices from threats while also providing the security services expected from a next-generation firewall. The full spectrum of FWaaS includes threat prevention, URL filtering, sandboxing, and more.

Ensuring that your cloud resources and SaaS applications are correctly configured and adhere to your organization's security standards from day one is essential to prevent successful attacks. Also, making sure that these applications, and the data they collect and store, are properly protected and compliant is critical to avoid costly fines, a tarnished image, and loss of customer trust. Meeting security standards and maintaining compliant environments at scale, and across SaaS applications, is the new expectation for security teams.

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.Reference: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

DevOps is not:

A combination of the Dev and Ops teams: There still are two teams; they just operate in a communicative, collaborative way.

Its own separate team: There is no such thing as a ''DevOps engineer.'' Although some companies may appoint a ''DevOps team'' as a pilot when trying to transition to a

DevOps culture, DevOps refers to a culture where developers, testers, and operations personnel cooperate throughout the entire software delivery lifecycle.

A tool or set of tools: Although there are tools that work well with a DevOps model or help promote DevOps culture, DevOps ultimately is a strategy, not a tool.

Automation: Although automation is very important for a DevOps culture, it alone does not define DevOps.

From a business perspective, XDR platforms enable organizations to prevent successful cyberattacks as well as simplify and strengthen security processes.

Stateful packet inspection firewalls Second-generation stateful packet inspection (also known as dynamic packet filtering) firewalls have the following characteristics:

They operate up to Layer 4 (Transport layer) of the OSI model and maintain state information about the communication sessions that have been established between hosts on the trusted and untrusted networks.

They inspect individual packet headers to determine source and destination IP address, protocol (TCP, UDP, and ICMP), and port number (during session establishment only) to determine whether the session should be allowed, blocked, or dropped based on configured firewall rules.

After a permitted connection is established between two hosts, the firewall creates and deletes firewall rules for individual connections as needed, thus effectively creating a tunnel that allows traffic to flow between the two hosts without further inspection of individual packets during the session.

This type of firewall is very fast, but it is port-based and it is highly dependent on the trustworthiness of the two hosts because individual packets aren't inspected after the connection is established.

To find the subnet that the host 192.168.19.36/27 belongs to, we need to convert the IP address and the subnet mask to binary form and perform a logical AND operation. The /27 notation means that the subnet mask has 27 bits of ones and 5 bits of zeros. In decimal form, the subnet mask is 255.255.255.224. The binary form of the IP address and the subnet mask are:

IP address: 11000000.10101000.00010011.00100100 Subnet mask: 11111111.11111111.11111111.11100000

The logical AND operation gives us the network prefix:

Network prefix: 11000000.10101000.00010011.00100000

To get the subnet address, we convert the network prefix back to decimal form:

Subnet address: 192.168.19.32

The subnet address is the first address in the subnet range. To find the last address in the subnet range, we flip the bits of the subnet mask and perform a logical OR operation with the network prefix:

Flipped subnet mask: 00000000.00000000.00000000.00011111 Logical OR: 11000000.10101000.00010011.00111111

The last address in the subnet range is:

Last address: 192.168.19.63

The subnet range is from 192.168.19.32 to 192.168.19.63. The host 192.168.19.36 belongs to this subnet. Therefore, the correct answer is B. 192.168.19.16, which is the second address in the subnet range.

IP Subnet Calculator

Subnet Calculator - IP and CIDR

Which subnet does the host 192.168.19.36/27 belong? - VCEguide.com