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Exam 6: The Cloud

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Question 51

Multiple Choice

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A ________ detects the speed that a given device can handle and communicates with it at that speed.

A) codec
B) modem
C) switch
D) port

E) A) and B)
F) C) and D)

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Question 52

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Microsoft CRM OnLine can be classified as a PaaS.

A) True
B) False

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Question 53

Multiple Choice

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A(n) ________ uses the Internet to create the appearance of private, secure connections.

The protocols used on the Internet are arranged according to a structure known as the ________ protocol architecture.

Define SaaS, PaaS, and IaaS. Provide an example of each.

Which of the following is the most basic cloud offering?

________ are programs that run on a server-tier computer and manage traffic by sending and receiving Web pages to and from clients.

Salesforce.com provides hardware and programs for customer and sales tracking. This is an example of a cloud vendor who provides software as a service.

A URL consists of a protocol followed by a domain name or public IP address.

A domain name is a worldwide-unique name that is affiliated with a public IP address.

Identify a characteristic of in-house hosting.

Which of the following refers to the three tiers in the three-tier architecture?

To ensure security, the VPN client software decrypts the original message so that its contents are protected from snooping.

To enable a seamless flow of data across the networks that comprise an internet, an elaborate scheme called a ________ is used.

Which of the following characteristics is a disadvantage of cloud-based hosting?

________ contains much metadata that can be used to validate the format and completeness of the document, but includes considerable overhead.

Oracle On demand is an example of infrastructure as a service.

Bluetooth is a common wired protocol designed to transmit data over long distances.

TCP/IP protocol architecture is a scheme of protocol types arranged in four layers.

Which of the following is defined as the elastic leasing of pooled computer resources over the Internet?