50. (1 point) Typically the key item like the CPU and memory, plus other critical components are directly mounted onto a circuit board called a a. adapter board b. motherboard c. circuit plane d. board of directors

51. (2 points) For computer-clusters with shared-disks, discuss some of the advantages that have made these configurations as popular as they have become, aside from the obvious data sharing and load balancing advantages.

52. (1 point) Metropolitan Area Networks (MANs) typically are larger in geographic scope that LANs but within a range of about 30 miles or less, and commonly include network lines that must cross over someones property. Such network lines sometime require permission involving a concept called: a. Edge-Router b. Domain-Name-Service c. Right-of-Way Access d. Ethernet-Star-Topology

53. (1 point) The Internet connectivity is primarily made up of connections between a. National, Regional, and Local ISPs b. The US Government c. National and International CSPs d. International WANs

54. (1 point) Which entity creates the standards for the Internet? a. ISO b. IETF c. ISPs d. IEEE

55. (1 point) Packets in the Data Link Layer of TCP/IP are called a. Packets b. Series datagrams c. TCP datagrams d. Frames