Quiz8 Studying Sheet for IT learners quiz description document very understandable PDF

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Studying Sheet for IT learners quiz description document very understandable MyLab IT course it is useful for learners especially beginners...

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1. A computer network is two or more computers connected using software and hardware so that they can communicate with each other. 2. A node is a device connected to a network such as a printer or a game console 3. Throughput is the actual speed of data transfer that is achieved and is always less than or equal to the data transfer rate. 4. Some of the responsibilities of network administrators are installing new hardware and software on the network and monitoring performance. 5. Which of the following is NOT a common network architecture type? Intraoffice area network (IAN) 6. You can find out which network adapters are installed in your system by using the Windows Device Manager utility. 7. When setting up a home network, make sure each node has ________. a network adapter 8. The network architecture that spans the largest physical distance is called a ________. WAN 9. A large network designed to provide access to a specific geographic area, such as a large city, is a MAN 10. Which transmission medium transmits data the fastest? Fiber-optic cable 11. What transmission media is used for normal telephone service? Twisted-pair cable 12. A client/server network is an example of ________ administration. central 13. A peer-to-peer (P2P) network is an example of ________ administration. local 14. Which of the following is NOT a standard for wireless Ethernet networks? 802.11ab 15. Which of the following is NOT a type of cable used in wired networks? Unshielded coaxial 16. Which of the following is NOT a type of UTP cable you would use in a wired Ethernet network? Cat 7B 17. If you are going to attach more than 15 devices to your wireless network, you should make sure your router supports which standard? 802.11ac 18. Wireless network devices use ________ to communicate with each other. radio waves 19. For the nodes on a network to communicate with each other and access the network, each node needs a ________. network adapter 20. On a network, a(n) ________ helps prevent data packets from colliding with each other. switch 21. Which hardware device connects your network to the Internet? modem 22. To transfer data packets between two or more networks, a ________ is used. router 23. Data are sent through a network in bundles called ________. packets 24. Which of the following is NOT a home operating system that supports P2P networking? Unix 25. Client/server networks are controlled by a central server that runs specialized software called a(n) network operating system (NOS) 26. Which of the following is NOT a wired broadband Internet connection option? dial-up 27. A(n) ________ device facilitates file sharing and data backup. NAS 28. Using a wireless network without the network owner's permission is known as piggybacking 29. All of the following are extra precautions you can take to secure a wireless network EXCEPT enable SSID broadcast 30. The unique number assigned to a network adapter by the manufacturer is referred to as the ________ address. MAC 31. The term network architecture is the same as the network design. 32. A(n) peer-to-peer network is one in which each computer can communicate directly with the others. 33. A computer lab is an example of a(n) LAN type of network. 34. A network used to communicate among devices close to one person is called a(n) PAN. 35. Many cities in the United States now provide a(n) MAN type of network to allow Internet access to residents and tourists. 36. Unshielded twisted-pair cable is composed of four pairs of wires that are wrapped around each other with no external casing.

37. Coaxial cable consists of a single copper wire surrounded by layers of plastic and is used to connect cable TV. 38. The capability of current devices to use earlier standards, in addition to the current standard, is known as backward compatibility. 39. Routers are devices that transfer packets of data between two or more networks. 40. A(n) switch is a device that receives data packets and sends them to their intended nodes on the same network while preventing data collisions. 41. The server on a client/server network has specialized NOS software installed. 42. Broadband is often referred to as "high-speed Internet." 43. DSL broadband service uses twisted-pair cable. 44. A(n) wireless network uses radio waves as its transmission medium. 45. A(n)switch acts like a traffic signal on a network. 46. In terms of networking, NOS stands for network operating system. 47. 4G has faster cellular data transfer rates than 3G. 48. Public places where you can wirelessly connect to the Internet are known as hotspots 49. A(n) hacker is someone who attempts to access your network without your knowledge. 50. When using a wireless connection, the process of encryption translates data into code so that it is protected. 51. SSID stands for service set identifier. 52. All wireless networks have their own name, referred to as the SSID, which is used to identify the network. 53. A wireless range extender is a wireless network device that repeats your wireless signal. 54. WPA is a much stronger protocol than WEP for wireless security. 55. A printer connected to a wireless network is considered to be a node on that network TRUE 56. Sharing files is a benefit of a network. TRUE 57. When powering up a home network, make sure all computers and peripherals are turned on before turning on the modem/router. FALSE 58. P2P networks are most commonly used in home networks TRUE 59. The Internet is a WAN. TRUE 60. Current wired Ethernet networks in the United States are based on the IEEE 802.11ac standard. FALSE 61. Wireless network connections are slower than wired broadband connections. TRUE 62. An access point connects to the main router wirelessly. FALSE 63. Most computers today come with network adapters already installed. TRUE 64. A switch acts like a traffic signal on a network. TRUE 65. A P2P network needs specialized network operating system software installed on every node. FALSE 66. Wireless networks are more vulnerable to attack than wired networks TRUE 67. WEP is a stronger form of security than WPA FALSE 68. Limiting your signal range does not help increase wireless network security. FALSE 69. I. HAN services a residence II. MAN covers a city III. LAN confined to a small geographic location beyond the home IV. PAN used to communicate among devices near an individual V. WAN a network that covers a great distance 70. I. fiber-optic made up of plastic or glass and transmits data at extremely fast speeds II. twisted pair made up of copper wires III. coaxial cable single copper wire surrounded by layers of plastic IV. peer-to-peer each node can communicate directly with every other node on the network V. client/server central computer provides information and resources to other computers

71. server provides information and resources to other computers on a network client computer on which users accomplish specific tasks and make specific requests network two or more computers connected together via software and hardware so they can communicate piggyback unauthorized connection to a wireless network node a computer, peripheral, or communication device on a network 72. I. throughput the actual speed of data transfer that is achieved on a network II. packet the format in which data is sent over transmission media III. firmware instructions in read-only memory IV. firewall hardware or software for protecting computers from hackers V. bandwidth maximum speed at which data can be transmitted 73. I. NOS software used to set up and manage a network II. broadband high-speed Internet connection III. router directs data traffic between networks IV. switch handles data traffic between nodes on the same network V. NIC connects a node to a network 74. What is not one of the tabs in Excel? Mailings 75. What can you not do within the worksheet tabs shortcut menu? Format the worksheet 76. What is the best way to make sure your worksheet prints on only one page? Use the Fit to option 77. Which is not a valid range? A1:A3, B1:B3 78. In Excel, columns are identified by numbers and rows by letters. FALSE 79. It is relatively easy to copy Excel cells into other Office programs. TRUE 80. The test in an IF function must evaluate to either a True or False. TRUE...