Paloalto Networks PCCET Exam With Confidence Using Practice Dumps

● Application (Layer 7 or L7): This layer identifies and establishes availability of communication partners, determines resource availability, and synchronizes communication.

● Presentation (Layer 6 or L6): This layer provides coding and conversion functions (such as data representation, character conversion, data compression, and data encryption) to ensure that data sent from the Application layer of one system is compatible with the Application layer of the receiving system.

● Session (Layer 5 or L5): This layer manages communication sessions (service requests and service responses) between networked systems, including connection establishment, data transfer, and connection release.

● Transport (Layer 4 or L4): This layer provides transparent, reliable data transport and

end-to-end transmission control.

According to the NIST definition of cloud computing1, there are three service models for cloud computing: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). In the SaaS model, the cloud provider delivers the software applications over the internet, and the users access them from various devices through a web browser or a program interface. The cloud provider manages the underlying infrastructure, including the servers, databases, and code of the applications. The users do not need to install, update, or maintain the software, and they only pay for the service they use. The scenario described in the question is an example of the SaaS model, as the user is provided access over the internet to an application running on a cloud infrastructure, and the vendor hosts and maintains the servers, databases, and code of that application. References:

• SP 800-145, The NIST Definition of Cloud Computing | CSRC
• Final Version of NIST Cloud Computing Definition Published
• NIST Cloud Computing Program - NCCP | NIST

SaaS - User responsible for only the data, vendor responsible for rest

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.