43) What are the advantages of building an internal information system using Web services?
44) Sireus Corp. has availed a cloud-based service. As this service provides hardware and operating systems, Sireus Corp. can easily install its software on this cloud product. Which of the following services has the company availed from its cloud vendor?
A) unified communications as a service (UCaaS)
B) infrastructure as a service (IaaS)
C) platform as a service (PaaS)
D) software as a service (SaaS)
45) If an organization opts for software as a service (SaaS), it will have to ________.
A) install an operating system on the server
B) purchase licenses for software replication
C) transfer data and develop procedures
D) install a database management system
46) A vendor providing software as a service (SaaS) usually makes the software available as a thin-client.
47) If software licensed from others is to be installed on the cloud, licenses that permit replication must be purchased.
48) Database management system (DBMS) products are included in infrastructure as a service (IaaS).
49) A small company is likely to choose infrastructure as a service (IaaS) as it does not require much technical expertise to load operating systems on a server.
50) What is a virtual private network?
A) It is a markup language that fixes several HyperText Markup Language (HTML) deficiencies and is commonly used for program-to-program interaction over the Web.
B) It is an add-on to browsers that was developed by Adobe and is useful for providing animation, movies, and other advanced graphics inside a browser.
C) It is the most common language for defining the structure and layout of Web pages.
D) It is a connection that uses the Internet to create secure point-to-point connections.
51) Which of the following is true of a virtual private network (VPN)?
A) It provides a secure connection for information transmitted over the public Internet.
B) It does not encrypt messages.
C) It is confined to be used within an organization.
D) It can be used to store highly sensitive information of an organization.
52) Which of the following is an advantage of a virtual private network (VPN)?
A) It can be used to physically connect a client and the server.
B) It helps to securely access information over the public Internet.
C) It facilitates easy access to an organization's data without requiring security access.
D) It does not depend on the Internet to function effectively.
53) Which of the following statements is true of private clouds?
A) Private clouds are easy to build and operate.
B) Several organizations pool their resources to form a private cloud.
C) Private clouds provide access from outside an organization that it created without requiring a person to connect to a virtual private network.
D) Idle servers in a private cloud cannot be repurposed for use by other organizations.