IT101 Information Technology - Cumulative Final Exam Q&A 100% Guaranteed Pass Graded A+.

c - correct answers Which of the following refers to volatile system memory? Select one: a. RCM b. RDM c. RAM d. ROM b - correct answers Information is pulled up in a database program and displayed on the monitor. Which of the following operations best defines this scenario? Select one: a. input b. output c. storage d. processing c - correct answers What is hardware? Select one: a. databases containing information in computer systems b. programs attached to computer systems c. physical components of computer systems d. programming instructions installed in computer systems d - correct answers Linda is an IT professional in charge of file protection, password management, and providing documentation and training to computer users. Which of the following job titles most accurately fits Linda's job? Select one: a. network administrator b. database administrator c. personnel administrator d. system administrator c - correct answers What does CPU stand for? Select one: a. central presentation unit b. core processing unit c. central processing unit d. central producing unit b - correct answers Storage media are often considered to fill a secondary role in addition to their namesake. What is this secondary role? Select one: a. security device b. output device c. processing device d. input device b - correct answers Where are programs and data stored while the system is powered off? Select one: a. cache b. hard drive c. registry d. RAM b - correct answers Which of the following best describes the function of the bus component? Select one: a. The bus component transfers information from input to output. b. The bus component transfers information between computer components. c. The bus component controls all of the components in a system. d. The bus component includes devices such as the printer, keyboard, and monitor. c - correct answers What critical innovation allowed for the development of smaller desktop computers, otherwise known as microcomputers? Select one: a. micro-form motherboards b. modular power supplies c. microprocessors d. hard-disk storage b - correct answers You should choose to setup a WLAN when the connection distance is Select one: a. 800-1050 feet. b. 150-400 feet. c. feet. d. 500-750 feet. c - correct answers Choose the following sentence that uses the correct terminology. Select one: a. Our node contains eight segments (3 PCs, 3 Macs, 1 printer, and 1 router), and these segments are divided into two networks that are each bounded by a hub (a router). b. Our network contains eight hubs (3 PCs, 3 Macs, 1 printer, and 1 router), and these hubs are divided into two nodes that are each bounded by a segment (a router). c. Our network contains eight nodes (3 PCs, 3 Macs, 1 printer, and 1 router), and these nodes are divided into two segments that are each bounded by a hub (a router). d. Our node contains eight networks (3 PCs, 3 Macs, 1 printer, and 1 router), and these networks are divided into two segments that are each bounded by a hub (a router). b - correct answers Why are MAC addresses expressed in hexadecimal? Select one: a. Once the World Wide Web went global, a metric-based architecture was desired. b. Since there are 48 bits used for a MAC address, there would be impossibly long binary-based addresses if not converted. c. Since there are only 16 bits used for a MAC address, it must be scaled up in order to accommodate the current size of the Web. d. This was how the original architecture was written, so it is a tradition. a - correct answers What is the essential job of a DNS lookup? Select one: a. It converts the URL into the number that the protocol actually uses. b. It converts the protocol number into the URL the user uses. c. It formulates a request header by the client software. d. It formulates a response header sent by the server. a - correct answers What is the purpose of a subnet mask? Select one: a. It determines whether the packet is destined for a host on the subnet or a host in the outside world. b. It allows an increase in overall network traffic since packets can be sent to multiple hosts. c. It determines whether the circuit is destined for an open host in the outside world or a closed host on the subnet. d. It allows an expansion of network addresses within a smaller network or subnet. a - correct answers Due to protocols prevalent at the time of its development, which one of the following protocols could be substituted for HTTP in a standard URL? Select one: a. gopher b. hound c. UL1991 d. NT7320 b - correct answers What is the concern you need to be aware of regarding common gateway interface scripts? Select one: a. Administrators will need to regenerate new SSL keys due to the server performing concurrent services. b. They are server scripts that can be accessed by, and accept parameters from, a URL submitted by a browser. c. They are server scripts that can be accessed by, and accept parameters from, a Web server submitted by a VPN. d. Administrators will need to code access to a superuser via root privilege accounts. c - correct answers Which of the following is accurate regarding rootkits? Select one: a. Kernel-level rootkits modifies a Windows DLL file associated with the OS. b. Hypervisor rootkits modifies the Windows DLL file at the user level. c. Kernel-level rootkits embed themselves in the OS itself, instead of being run by it. d. Hypervisor rootkits modifies the VM manager at the user level. c - correct answers On a Windows-based machine, which command would you use in order to scan for unusual port activity? Select one: a. netscan-por b. c. netstat-ano d. d - correct answers What does API stand for? Select one: a. Affordance Program Interface b. Affordance Program Interaction c. Application Program Interaction d. Application Program Interface b - correct answers What is an example of system software? Select one: a. SPSS b. firmware c. Internet Explorer d. Microsoft Word b - correct answers What are the two types of software? Select one: