1. An application server may reside on the same computer as a web server or on its own dedicated computer.
A. True
2. Which of the following refers to a set of self-contained services that communicate with each other to create a working software application?
A. SOA
3. Virtualization has become one of the principal technologies for promoting green computing.
A. True
4. A web server is responsible for locating and managing stored web pages.
A. True
5. A(n) ________ is used to communicate between a user and an organization’s back-end systems.
A. application server
6. Briefly explain why corporations are interested in using Unix or Linux as the operating system for their corporate servers.
Your Answer:
Corporations critically prefer to use Linux or Unix operating systems in their corporate services for increased stability, higher security, and easier scalability of systems. Linux or Unix systems can support design practices with reduced downtime and can be run with continuous effort as organizational environment needs to be up at all time. These operating systems can deliver stronger security attributes like controls for permissions, isolate procedures, and security updates can be implemented with higher frequency.
7. All of the following are cloud computing services except:
A. system integration services.
8. Identify and briefly describe five or more current trends in contemporary software platforms.
Your Answer:
Critical patterns for contemporary software models include cloud-based platforms that enables design scalability and can support remote system access. Mobile-first and cross-platform designs are created that support use on smartphones, computing devices, and web applications. AI/ML (artificial intelligence and machine learning) models are created for optimized design automation and empower decisions. Microservices architectures are created for applications and are built with independent and agile elements. Platforms with low programming or zero programming for rapid application development and designing for non-technical users.
9. ZipRealty, which combines Google Maps with real estate data, is an example of:
A. a web mashup.
10. Which of the following refers to the ability of a computer, product, or system to expand to serve a larger number of users without breaking down?
A. Scalability
11. In N-tier computing, significant parts of website content, logic, and processing are performed by a single web server.
A. False
12. Which of the following is the network standard for connecting desktop computers into local area networks that enabled the widespread adoption of client/server computing and local area networks and further stimulated the adoption of personal computers?
A. Ethernet
13. In a multitiered network:
A. the work of the entire network is balanced over several levels of servers.
14. Which of the following is not an IT infrastructure service component?
A. Operating system software
15. A formal contract between customers and their service providers that outlines the specific responsibilities of the service provider and to the customer is called a(n):
A. SLA.
16. What are the essential characteristics of cloud computing?
Your Answer:
Cloud computing patterns are defined with numerous features. These services include use of on-demand self-service models that can help users to deliver resources, eliminating any human interaction. Broader access to networks can facilitate services for easier access over several devices connected to internet. Resources are pooled to help providers and support several customers accessing shared architecture. Speedier elasticity and system scalability can help resources to work with scale models and demand-based approvals. Measured services can help users with agile and cost-effective models.
17. Hardware and software acquisition costs account for about ________ percent of TCO.
A. 20
18. At what percent of capacity do most servers operate?
A. 15-20%
19. Which of the following is not one of the main six factors to consider when evaluating how much your firm should spend on IT infrastructure?
A. Your firm’s organizational culture
20. Enterprise infrastructure requires software that can link disparate applications and enable data to flow freely among different parts of the business.
A. True