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Answer:
Transport layer
establishes, maintains and terminates network connections
Network layer
ensures the reliability of link
Data link layer
provides functions to guarantee reliable network link
Physical layer
controls transmission of the raw bit stream over the medium
Explanation:
see Answer
Answer: c. It does not include marketing in its value chain.
Explanation:
OEMs known in full as Original Equipment Manufacturers procure different components that they assemble to make a final product for their clients. Their clients include re-sellers and distributors who then market the products .In adding value to the products they also have research and development in order to come up with innovative products that are competitive within the market and offer solutions that meet the needs of their target market.
Answer:
1. C
2. A
Explanation:
IaaS which is also known as Infrastructure as a service is an outsourced cloud computing infrastructure service that offers resources such as storage, server, and network connections. Examples of IaaS providers include organizations like Microsoft’s Azure and Amazon Web Service which is also commonly known as AWS. Azure, AWS are among a list of IaaS providers that offer support through monitoring and management of remote datacenters. Instead of physically purchasing hardware and servers, businesses can opt to host all their services and operations on the cloud.
The PaaS falls between IaaS and SaaS. Most developers and programmers working for big cooperates rely on PaaS to help them code and provide cloud components to applications and software. PaaS makes all the phases of program development and deployment easier and cheap. It can manage what IaaS supports like storage, virtualization, servers, and network connections. In addition, PaaS providers can manage operating systems and databases as well. Note that it is the work of the developers to manage the applications and not the PaaS providers
They will spin in the opposite direction because the belts are twisted.
