Which of the following statements is true with respect to distributed computing?
A.
Distributed computing must be chosen regardless of the functional and nonfunctional
requirements of the business.
B.
Distributed computing must be the architecture of choice when the scalability and availability
requirements can be best met by further layering the system.
C.
Distributed computing is best suited for building and running monolithic applications.
D.
The objective of distributed computing is to reduce latency.
Explanation:
Distributed computing provides a scalable runtime platform capable of handling
many concurrent users by allowing related components to be spread out but at the
same time enabling them to work in unison. It allows applications to be broken down
into smaller, modular components and be deployed across a distributed infrastructure
that leverages the power and flexibility of networked servers. Layered architecture
enables separation of concern by defining individual logical layers that can be
deployed independently, taking advantage of the distributed infrastructure.
Distributed architectures allow selective scalability of the layers that require more
capacity to handle the load. This allows efficient use of the hardware and software
resources and optimization of performance by fine-tuning the appropriate layer or
component. In contrast to some of the other models, distributed computing generally
is a CAPEX model where the distributed infrastructure is built in-house for
applications to be deployed.
Note: In distributed computing a program is split up into parts that run simultaneously on
multiple computers communicating over a network. Distributed computing is a form
of parallel computing, but parallel computing is most commonly used to describe
program parts running simultaneously on multiple processors in the same computer.
Both types of processing require dividing a program into parts that can run
simultaneously, but distributed programs often must deal with heterogeneous
environments, network links of varying latencies, and unpredictable failures in the
network or the computers.
Note 2: Distributed computing allows multiple, autonomous computers to work in concert to solve
a problem or provide a business solution. Distributed computing is used in the vast majority of
modern enterprise business solutions.Reference: Oracle Reference Architecture, Application Infrastructure Foundation, Release 3.0
