Download ITE 100 Exam 4: Computer Networks and Database Systems Questions and more Exams Computer Science in PDF only on Docsity!
ITE 100 EXAM 4 QUESTIONS WITH ACCURATE SOLUTIONS
- Which group developed the WiMAX standard? a. W3C b. IEEE c. ANSI d. IBM -- Answer ✔✔ IEEE
- You are a technology expert and you have been asked to predict which technology will become the Internet standard for data transmission, replacing T3 lines. Which of the following are you most likely to predict? a. ISDN b. DSL c. ATM d. FTTP -- Answer ✔✔ ATM
- Infrared (IR) is a wireless transmission medium that sends signals using infrared light waves. True or False -- Answer ✔✔ True
- Which of the following technologies is the new tollbooth on the local highway most likely to use?
a. Bluetooth b. RFID c. TCP/IP d. IrDA -- Answer ✔✔ RFID
- What term describes the process in which two or more computers or devices transfer data, instructions, and information? a. digital connecting b. digital communication c. digital cybering d. digital channeling -- Answer ✔✔ digital communication
- How many wired and/or wireless computers and mobile devices might a router be able to connect? a. more than 200 b. more than 450 c. more than 500 d. There is no limit. -- Answer ✔✔ more than 200
- The fifth generation of cellular transmissions is expected to provide artificial intelligence capabilities on wearable devices. True or False -- Answer ✔✔ True
- Which of the following is true of the installation of a network like the one shown in the accompanying figure? a. It must have built-in wireless capability or the appropriate wireless network card, USB adapter, or other wireless device
a. bus b. node c. link d. core -- Answer ✔✔ node
- Which of the following is a transmission media on which data, instructions, or information travel? a. communications flow b. communications route c. communications path d. communications channel -- Answer ✔✔ communications channel
- In a fiber-optic cable, each strand, called an optical fiber, is as thin as a human hair. True or False -- Answer ✔✔ True
- On a network such as the one illustrated in the accompanying figure, some servers perform a specific task and can be placed with other servers to perform multiple tasks. What are these kind of servers call? a. unique b. dedicated c. multitasking d. baseband -- Answer ✔✔ dedicated
- A MAN usually is managed by a consortium of users or by a single network provider that sells the service to the users. True or False -- Answer ✔✔ True
- As data moves through a network from one program to another, it can use at most one kind of network standard. True or False -- Answer ✔✔ False
- Which of the following defines guidelines that specify the way computers access the medium to which they are attached, the type(s) of medium used, the speeds used on different types of networks, and the type(s) of physical cable and/or the wireless technology used? a. network index b. network standard c. network metric d. network matrix -- Answer ✔✔ network standard
- The star topology is primarily used for LANs but it is also used in WANs. True or False -- Answer ✔✔ False; Only used for LANS
- Which of the following statements is not true of peer-to-peer networks? a. Each computer stores files on its own storage device. b. The network operating system is stored on a network server. c. They are simple, inexpensive networks that typically connect fewer than 10 computers. d. Each computer has equal responsibilities and capabilities. -- Answer ✔✔ The network operating system is stored on a network server.
- Bus networks are unpopular on LANs because they are expensive and difficult to install. True or False -- Answer ✔✔ False
- Which of the following is the least likely technology PANs would use? a. Wi-Fi b. special USB cables c. Bluetooth d. peer-to-peer -- Answer ✔✔ peer-to-peer
- Which of the following is a simple, inexpensive network that typically connects fewer than 10 computers? a. MAN b. hard network c. interpolated network d. peer-to-peer network -- Answer ✔✔ peer-to-peer network
- _____ is provided by applications such as email, FTP, browser, discussion boards, chat rooms, Internet messaging, videoconferencing, and VoIP. a. Network configuration b. Communications software c. Internet research
d. File sharing -- Answer ✔✔ Communications software
- Contactless payment is a popular use of UWB technology. True or False -- Answer ✔✔ False
- Which of the following kinds of cable consists of a single copper wire surrounded by at least three layers: an insulating material, a woven or braided metal, and a plastic outer coating? a. integrated b. twisted-pair c. coaxial d. fiber-optic -- Answer ✔✔ coaxial
- What is a more user-friendly interface some users use instead of interacting directly with a DBMS? a. data file b. home page c. front end d. user environment -- Answer ✔✔ front end
- Which of the following, with regard to the entire database, should be made on a regular basis? a. after image b. retread c. backup d. baseline -- Answer ✔✔ backup
b. DBE c. NoSQL d. QBE -- Answer ✔✔ QBE
- A data model defines how users view the organization of data. True or False -- Answer ✔✔ True
- In what kind of recovery does the DBMS use the log to reenter changes made to a database since the last save or backup? a. baseline b. integrated c. instant d. forward -- Answer ✔✔ forward
- Data integrity is important because computers and people use information to make decisions and take actions. True or False -- Answer ✔✔ True
- What database term is used to describe a request for specific data from the database? a. retrieval b. information c. analysis d. query -- Answer ✔✔ query
- What is the smallest unit of data the computer can process?
a. reg b. bit c. log d. byte -- Answer ✔✔ bit
- What is the process of presenting data graphically as charts, maps, or other pictorial formats in order to understand the resulting information easily? a. data velocity b. data integrity c. data visualization d. data relationships -- Answer ✔✔ data visualization
- Which of the following is a window on the screen that provides areas for entering or modifying data in a database? a. recovery screen b. change screen c. form d. report -- Answer ✔✔ form
- Which of the following is an advantage of a multidimensional database? a. It can store data in two dimensions. b. All multidimensional databases have a dimension of time. c. The content of all dimensions is the same regardless of the subject. d. There is a common query language. -- Answer ✔✔ It can store data in two dimensions.
- What is the term for a collection of data organized in a manner that allows access, retrieval, and use of that data? a. a database b. information c. access d. a DBMS -- Answer ✔✔ database
- Query by example uses a graphical user interface that assists users with retrieving data. True or False -- Answer ✔✔ True
- Which of the following privileges for data involve establishing who can enter new data, change existing data, delete unwanted data, and view data? a. writing b. viewing c. access d. reading -- Answer ✔✔ access
- In which of the following databases is the physical location of the server on which it is stored is transparent and often unknown, to the user? a. market b. relational c. OODB d. distributed -- Answer ✔✔ distributed
- A user of a database such as that pictured in the accompanying figure refers to a field as what?
a. row b. table c. column d. relationship -- Answer ✔✔ column
- Which of the following is a number(s) or character(s) that is appended to or inserted into a primary key field? a. index b. integer c. check digit d. insertion ordinal -- Answer ✔✔ check digit
- More than 30 years ago, the first macro viruses wreaked havoc with personal computers. True or False -- Answer ✔✔ False; 20 years
- Whereas a relational database can store more than two dimensions, a multidimensional database is a two-dimensional table. True or False -- Answer ✔✔ False
- Data in a database is less vulnerable than data in file processing systems. True or False -- Answer ✔✔ False
- A web database usually resides on a database server.
c. jailbreaking d. EULA -- Answer ✔✔ rooting
- Project Management Professional (PMP) tests knowledge of tasks required during system development. True or False -- Answer ✔✔ True
- A native app is written for mobile devices running a particular mobile phone operating system. True or False -- Answer ✔✔ True
- You are an HRIS specialist. What is your job description? a. manage one or more administrative human resources functions, such as maintaining and managing employee benefits, schedules, and payroll b. manage information about customers, past purchases, interests, and more c. control production equipment, such as drills, lathes, and milling machines d. aid in the development and testing of product designs, and often includes CAD -- Answer ✔✔ manage one or more administrative human resources functions, such as maintaining and managing employee benefits, schedules, and payroll
- A help desk technician answers technology-related questions in person, on the phone, or via email or an online chat room.
True or False -- Answer ✔✔ True
- The unauthorized modification violates the end-user license agreement (EULA), so the device will still be covered by the manufacturer's warranty. True or False -- Answer ✔✔ False
- You are a game designer, what is your job description? a. designs games and translates designs into a program or app using an appropriate application development language b. develops and directs an organization's mobile strategy, including marketing and app development c. develops and maintains programs and tools designed to provide security to a network d. integrates and expands the company's initiatives for mobile users -- Answer ✔✔ designs games and translates designs into a program or app using an appropriate application development language
- Monster is the only career planning website worth using. True or False -- Answer ✔✔ False
- Which of the following is NOT a technology operations job? a. help desk specialist b. network administrator
b. forensics strategist c. desktop expert d. application programmer -- Answer ✔✔ application programmer
- What does Microsoft produce and sell with computers and mobile devices? a. software b. code c. BIOS d. firmware -- Answer ✔✔ software
- A popular specific security certification includes Certified Information Systems Solutions Professional (CISSP). True or False -- Answer ✔✔ True
- Who was a technology inventor and futurist? a. Thomas Gould b. Richard Thomson c. Meg Swan d. Ray Kurzweil -- Answer ✔✔ Ray Kurzweil
- Only if you are currently employed, may you find a career planning website useful. True or False -- Answer ✔✔ False
- Apps developed for a specific mobile platform or device generally will work on another without significant modification.
True or False -- Answer ✔✔ False
- You are applying for a job as a system analyst. What will your job entail? a. reviewing existing systems and selecting one to use for your organization b. providing technical support to users and system programmers c. designing and developing an information system d. converting the system design into a programming language -- Answer ✔✔ designing and developing an information system
- A data scientist creates and maintains the data dictionary and monitors database performance. True or False -- Answer ✔✔ False
- Who installs, configures, and maintains LANs and WANs? a. help desk technician b. network engineer c. technical project manager d. computer technician -- Answer ✔✔ network engineer
- Who answers technology-related questions in person, on the phone, or via email? a. help desk specialist b. network administrator c. technical project manager
