Which of the following statements is true of private clouds?1. Private clouds provide access from outside an organization that it created without requiring a person to connect to a virtual private network.2. Several organizations pool their resources to form a private cloud.3. Idle servers in a private cloud cannot be repurposed for use by other organizations.4. Private clouds are easy to build and operate.
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Which of the following is a difference between a virtual private network (VPN) and a virtual private cloud (VPC)? 1. A VPC provides the advantages of cloud storage, but a VPN by itself cannot provide these advantages.2. A VPC does not facilitate data storage, while a VPN allows the storage of a user"s most important data.3. A VPC uses encrypted connections between the users and its server, while a VPN does not use such secure connections.4. A VPC can be accessed over the Internet, while a VPN cannot be accessed over the Internet.
A VPC provides the advantages of cloud storage, but a VPN by itself cannot provide these advantages.
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?1. infrastructure as a service (IaaS)2. platform as a service (PaaS)3. software as a service (SaaS)4. unified communications as a service (UCaaS)
A(n) ________ is an information system (IS) that provides computer-based activity at a distance. 1. transport driver interface2. indexing service system3. content delivery network4. remote action system
Which of the following is a reason for an internal information system that uses Web services to not be considered a cloud? 1. Idle servers are dynamically re-allocated.2. Data transfer is enabled without dependency on the Internet.3. The number of servers is fixed and is not made elastic.4. Web service standards are not followed, as they are confined within the limits of a company.
Which of the following statements is true of content delivery networks (CDNs)? 1. They distribute data on different servers without any data replication.2. They reduce access costs by delivering data faster.3. They use predetermined servers to deliver content to each location irrespective of traffic changes.4. They use geographic proximity as the factor to decide which server should deliver a requested content.
Which of the following factors has contributed to an increase in the popularity of cloud hosting? 1. demand for services that can run without the support of the Internet2. increase in the cost of processors, data communication, and data storage3. development of virtualization technology that allows near-instantaneous creation of new virtual machines4. development of Web services that can be accessed without meeting the service-oriented architecture specifications
development of virtualization technology that allows near-instantaneous creation of new virtual machines
Which of the following is an advantage of a content delivery network? 1. It provides protection from denial-of-service (DOS) attacks.2. It increases the load time of Web pages for the users.3. It increases the reliability by storing the data on a single, large server.4. It increases the load on the original server.
An online service provider provides its users with hosted computers, an operating system, and a database management system (DBMS). This allows customers to add their own applications to the hosted services. Which of the following cloud-based offerings is being provided to the users? 1. platform as a service (PaaS)2. unified communications as a service (UCaaS)3. infrastructure as a service (IaaS)4. software as a service (SaaS)
Which of the following statements is true of cloud-based hosting? 1. It involves the risk of investing in technology that may soon become obsolete.2. It makes scaling up to meet the demands of increased traffic difficult.3. It gives little visibility over the security being used to protect data.4. It gives greater control over physical location of data.
Which of the following is true of a virtual private network (VPN)? 1. It can be used to store highly sensitive information of an organization.2. It is confined to be used within an organization.3. It does not encrypt messages.4. It provides a secure connection for information transmitted over the public Internet.
Organizations can dynamically reuse servers that use Web services internally by ________. 1. creating a private cloud2. replicating the servers3. making the servers elastic4. allocating different servers for different services
Which of the following is an advantage of using a private cloud over a virtual private cloud (VPC)? 1. Unlike a VPC, the infrastructure required for a private cloud can be built and operated easily.2. Unlike a VPC, a private cloud can be built on top of a public cloud infrastructure.3. Unlike a VPC, a private cloud does not require permission from regulating bodies to host sensitive data.4. Unlike a VPC, a private cloud can be created and used without the Internet.
Unlike a VPC, a private cloud does not require permission from regulating bodies to host sensitive data.
An internal information system built using Web services is said to be using the cloud if it ________. 1. allocates specific servers to each task2. provides platform as a service (PaaS)3. offers elasticity in the usage of servers4. uses the Intranet
A remote system designed by Alpha Solutions uses cameras and motion-sensing equipment to issue tickets for traffic violations. This system is an example of ________. 1. teleassessment2. telelaw enforcement3. telediagnosis4. teleinstruction
Which of the following is likely to be a consequence of cloud computing in the future? 1. The demand for employees who know how to use and manage information systems will reduce.2. The cost of obtaining elastic resources will decrease.3. The preference to set up one"s own computing infrastructure will increase among organizations. 4. The number of technology-based startups will stagnate.
Which of the following statements is true of a virtual private cloud (VPC)? 1. A VPC can be built on a public cloud infrastructure.2. A VPC generally stores an organization"s most sensitive data.3. A VPC does not make use of a virtual private network.4. A VPC can be accessed only from within an organization.
Which of the following statements is true of Web services? 1. They are programs that comply with Web service standards and can only run as an independent program.2. They are programs designed using the concept of service-oriented architecture.3. They are programs that comply with IEEE 802.3 protocol standard.4. They are designed in such a way that they cannot be flexibly combined with other programs.
An organization that hires cloud services ________. 1. is allowed to change its computer hardware requirements only once in an hour2. can limit the response time of its Web pages3. is given access only to a single server4. can accommodate an increase in traffic from only one city
Which of the following statements best defines the cloud? 1. The cloud is the elastic leasing of in-house computer hardware.2. The cloud is a peer-to-peer network used to share data between users.3. The cloud is the elastic leasing of pooled computer resources over the Internet.4. The cloud is the network of servers hosted in-house by an organization for its own requirements.
Phobas Inc. offers an online service that stores notes made by customers on the cloud. When a customer enters notes on a device, it gets updated in all the devices he/she owns. Which of the following cloud-based offerings does Phobas Inc. provide to its customers? 1. infrastructure as a service (IaaS)2. platform as a service (PaaS)3. software as a service (SaaS)4. unified communications as a service (UCaaS)
Which of the following is an advantage of a private cloud in an organization? 1. It eliminates the need to use an additional secure network to access this cloud from outside the organization.2. It reduces the complexity involved in using other publicly available cloud services.3. It allows the organization to manage its servers with elastic load balancing.4. It allows the organization to repurpose its idle servers for use to other organizations.
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Which of the following is an advantage of a virtual private network (VPN)? 1. It can be used to physically connect a client and the server.2. It facilitates easy access to an organization"s data without requiring security access.3. It helps to securely access information over the public Internet.4. It does not depend on the Internet to function effectively.
The cloud-based service that provides the hardware and allows customers to load an operating system of their choice is known as ________. 1. application virtualization2. network functions virtualization (NFV)3. platform as a service (PaaS)4. infrastructure as a service (IaaS)
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