Computers and Technology Quiz & Practice Tests - Test Your Skills

Answer the following questions:Question 4 ............ in the data link layer separates a message from one source to a destination, or from other messages to other destinations, by adding a sender address and a destination address.Group of answer choicesTransformingFramingSeparatingMessagingQuestion 5 Functions of data link control includesGroup of answer choicesframingflow and error controladdressingAll of aboveQuestion 6 In which of the following modes of the CLI could you configure the duplex setting for interface Fast Ethernet 0/5?Group of answer choicesUser modeEnable modeGlobal configuration modeVLAN modeInterface configuration modeQuestion 7 It is how the receiver detects the start and end of a frame.Group of answer choicesError controlFlow controlFramingNone of the aboveQuestion 8 Which of the following describes a way to disable IEEE standard autonegotiation on a 0/00 port on a Cisco switch?Group of answer choicesConfigure the negotiate disable interface subcommandConfigure the no negotiate interface subcommandConfigure the speed 00 interface subcommandConfigure the duplex half interface subcommandConfigure the duplex full interface subcommandConfigure the speed 00 and duplex full interface subcommandsQuestion 9 ______ substitutes eight consecutive zeros with 000VB0VB.Group of answer choicesB4B8HDB3B8ZSnone of the aboveQuestion 0 In _________ transmission, we send bits one after another without start or stop bits or gaps. It is the responsibility of the receiver to group the bits.Group of answer choicessynchronousasynchronousisochronousnone of the aboveQuestion In _______ transmission, bits are transmitted over a single wire, one at a time.Group of answer choicesasynchronous serialsynchronous serialparallel(a) and (b)Question 2 Digital data refers to information that isGroup of answer choicesContinuousDiscreteBitsBytesQuestion 3 Two common scrambling techniques are ________.Group of answer choicesNRZ and RZAMI and NRZB8ZS and HDB3Manchester and differential ManchesterQuestion 4 ________ is the process of converting digital data to a digital signal.Group of answer choicesBlock codingLine codingScramblingNone of the aboveQuestion 5 A switch receives a frame with a destination MAC address that is currently not in the MAC table. What action does the switch perform?Group of answer choicesIt drops the frame. . It floods the frame out of all active ports, except the origination port. It sends out an ARP request looking for the MAC address. It returns the frame to the senderQuestion 6 The _______ layer changes bits into electromagnetic signals.Group of answer choicesPhysicalData linkTransportNone of the aboveQuestion 7 Serial transmission occurs inGroup of answer choices way2 ways3 ways4 waysQuestion 8 What type of switch memory is used to store the configuration used by the switch when it is up and working?Group of answer choicesRAM ROMFlashNVRAMQuestion 9 In what modes can you type the command show mac address-table and expect to get a response with MAC table entries? (Select Two)Group of answer choicesUser modeEnable mode Global configuration modeInterface configuration modeQuestion 20 Which of the following are true when comparing TCP/IP to the OSI Reference Model? (Select Two)Group of answer choicesThe TCP/IP model has seven layers while the OSI model has only four layers.The TCP/IP model has four or five layers while the OSI model has seven layers.The TCP/IP Application layer maps to the Application, Session, and Presentation layers of the OSI Reference Model.he TCP/IP Application layer is virtually identical to the OSI Application layer.
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If a program has no syntax errors, can we assume that it is secure? Why or why not?
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What are two design elements that help MRAP trucks resist mines?
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(3 marks)flag questionA group of pupils scored an average of 92 marks for a test. The boys scored an average of 90 marks while the girlsscored an average of 95 marks. What is the ratio of the number of boys to the number of girls in the group?
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What do you think color theoryin web design is?
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What are to be considered before software installation? Why?
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Match the following. a. Temperature - Barometer b. Atmospheric pressure - Anemometer c. Wind direction - Hygrometer d. Wind speed - Wind wane e. Humidity -Thermometer
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Help meeee pleasee brainleist
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from the pictures below select 5 words that best describes quality and briefly discuss it in not more than 3 sentences
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Which factor is NOT used to determine who can be let go during a downsizing?a. Seniorityb. Level of IncomeC. Genderd. Department
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PLZ HELP HELP HELP ME I NEED ANSWER MATH
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what do you mean by an ISP? why do we need a modem to access the internet? name any two Internet browsers
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When was the year America got its independence
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inspect tools and equipment regularly to identify defective ones for repair, replacement or condemnation. true or false?
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explain the difference between undecidable problems and unreasonable time algorithms.
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A return statement is used to pass a value from a function back to the main program. True False
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You are running a bingo game where you want to tweet the winner of each round of the game. You want to announce the name of who won, and how much they won in dollars. Make a function that takes those two words in as input, and then announces the win. For now, just print the statement that you will want to tweet later. (Hint: Remember that you are taking a number as input, which has to be converted to a string to concatenate it.)
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what is the HCF of smallest prime number and the smallest composite number?
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which of these is an example of subliminal advertising A. An image of an ice cube embedded in a cola ad B. A scene of people drinking a certain brand of cola at a party C. An ad of a popular celebrity drinking a certain brand of cola and smiling D. A claim that more people drink a certain brand of cola that others
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which example of IT lifelong learning is most likely to lead a promotion
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What do you think about the future of Moores Law? Will it continue to hold true? Will other technologies help us keep on track? Is it a self-fulfilling prophecy? Write one paragraph.
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Directions: Arrange the jumbled letters to make/form a new word. Then give ashort description of those words that can be related to the topic which is Cleaningand Lubricating Machines. Write your answers in your journal. wens inName of materialsWordsDescription1. HEINCMA ILO-MACHINE OIL2. CHOLT MADP-CLOTH DAMP3. NIEMHAC WINSEG-MACHINE SEWING4. SONAPLER- PERSONAL PROTECTIVE EQUIPMENTVETICETPORTQUIPTEMPEN5. EEENDL ISEZ- NAEEDLE SIZE6. MALLS NIB- SMALL BIN7. BINNOB DREWIN-?????8. NILT BURSH- LINT BRUSH9. BONBIB KOHO- BOBBIN HOOK10. DELENE LLAPTE - NEEDLE PLATE
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Question 6 (1 point)SavedA wi-fi router in your house creates a ___so that everyone in the house can share the internet connection. ExtranetLANWANIntranet
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How are procedural and object-oriented programming approaches similar? Both approaches focus on calling attributes and behaviors to write programs.Both approaches focus on functions, modules, and processes to write programs.Both approaches are used when writing programs.Both approaches require little planning in order to write completed programs.What is one benefit of using object-oriented programming? Inherited traitsMinimal planningDistinct proceduresTop-down designHow are procedural and object-oriented programming approaches similar?Both approaches focus on calling attributes and behaviors to write programs.Both approaches focus on functions, modules, and processes to write programs.Both approaches are used when writing programs.Both approaches require little planning in order to write completed programs.
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