44. A ________ is a set of rules that programs on two communicating devices foll

Question

44. A ________ is a set of rules that programs on two communicating devices follow. a. codec b. cloud c. packet d. protocol

45. Which of the following is NOT true? a. The term "cloud" is used to refer to the elastic leasing of pooled computer resources over the Internet. b. One of the advantages of cloud-based hosting, as long as it is with reputable organizations, is the best-of-breed security and disaster recovery. c. A computer network is a collection of computers that communicate with one another over transmission lines or wirelessly. d. A computer network between Seattle and Philadelphia is made possible through a WAN. e. With a WAN, an organization is allowed to place communications lines wherever it wants, because all lines reside on its premises.

46. A computer that supports 10/100/1000 Ethernet allows for 10, 100, or 1000 ________ per second. a. megabytes b. megabits c. kilobytes d. kilobits

47. Which of the following is NOT true? a. An intranet is a private internet that is used exclusively within an organization. b. Wired LAN connections use a protocol standard called Ethernet to communicate. c. Wired LAN connections use the IEEE 802.3 protocol, whereas wireless LAN connections use the IEEE 802.11 protocol. d. Communication speeds are expressed in bytes, whereas memory sizes are expressed in bits. e. When a person connects to the Internet, he or she is actually connecting to an Internet Service Provider.

Explanation / Answer

44.d. protocol

45.e. With a WAN, an organization is allowed to place communications lines wherever it wants, because all lines reside on its premises.

46. b. megabits

47.d. Communication speeds are expressed in bytes, whereas memory sizes are expressed in bits.

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