Ch.1 - The Internet and the World Wide Web

Which of the following is true of servers? a. A server can be a physical computer or virtual. b. A server must be a physical computer. c. A server cannot be a physical computer. d. A server cannot be virtual.

a. A server can be a physical computer or virtual.

In the Transmission Control Protocol/Internet Protocol (TCP/IP) model, Ethernet operates at what layer? a. Link b. Transport c. Internet d. Application

a. Link

Which of the following is commonly used to build specific programming, testing, or modeling environments? a. Platform as a Service (PaaS) b. Infrastructure as a Service (IaaS) c. Software as a Service (SaaS) d. Network as a Service (NaaS)

a. Platform as a Service (PaaS)

Which of the following is designed to provide a specific application or service to the subscriber, typically through the subscriber's web browser? a. Software as a Service (SaaS) b. Network as a Service (NaaS) c. Platform as a Service (PaaS) d. Infrastructure as a Service (IaaS)

a. Software as a Service (SaaS)

The main purpose of a hypervisor is to support the virtual machines created on the host. This includes acting as a ___________ for all of the virtual resources allocated to each of the virtual machines. a. device driver b. video driver c. parallel bus d. network interface

a. device driver

Many cloud service provider systems front the applications with a(n) ________________ to forward the request to the server that will provide the best response time. a. load balancer b. database c. storage system d. application

a. load balancer

An application running on a virtual machine (VM) experiences its environment as it would on a nonvirtualized machine. What is the only difference? a. The application sees the VM environment as it would any computer's virtual machine manager. b. The application is blind to the interactions of the guest VM operating system with the hypervisor. c. The application interacts with an operating system. d. The application requests hardware services from the operating system.

b. The application is blind to the interactions of the guest VM operating system with the hypervisor.

Which of the following is true of virtualization? a. A virtual machine is a physical implementation. b. A host can run only a single virtual machine at one time. c. You can build physical software versions of systems that behave like their virtual equivalents. d. A virtual machine can simulate a complete system or just one particular process.

d. A virtual machine can simulate a complete system or just one particular process.

Which of the following is the standard set of protocols for connecting and interconnecting computers and networks into the internet? a. File Transfer Protocol (FTP) b. User Datagram Protocol c. Hypertext Transfer Protocol (HTTP) d. Transmission Control Protocol/Internet Protocol (TCP/IP)

d. Transmission Control Protocol/Internet Protocol (TCP/IP)

In virtualization, if you install the hypervisor on top of the native operating system, it is: a. taking the place of the operating system. b. installed on bare metal. c. called a Type 1 installation. d. called a Type 2 installation.

d. called a Type 2 installation.