What does the port number in a TCP connection specify?


Options: It specifies the communication process on the two end systems B. It specifies the quality of the data & connection C. It specify the size of data D. All of the above

Ans:– A ,


Description: mcqquestions






More Computer Networks Related questions:


14. While working with MS-DOS, which command is used to rename a file named file1.doc to file2.doc from a different directory called dir1?
Options: a. Ren2.doc dirfile1.doc b. Ren file1.doc file2.doc c. Ren .docdir.doc d. Ren dir1file1.doc file2.doc

Ans:Correct Answer: d,Correct Answer: d


. Ctrl + F
Options: a. Open Find and Replace Dialog box with activating Find Tab b. Open Page Setup Dialog box with activating Layout Tab c. Open Font Dialog Box with activating Font tab d. Open File Save as Dialog box

Ans:–  A,–  A


What is route poisoning?
Options: It sends back the protocol received from a router as a poison pill, which stops the regular updates.,    It is information received from a router that can't be sent back to the originating router.,    It prevents regular update messages from reinstating a route that has just come up.,    It describes when a router sets the metric for a downed link to infinity.

Ans:D ,D


The File that contains a set of instructions which are performed when a user logs in, is
Options: .exrc,    .profile,    .autoexec,    autoexec.bat

Ans:B ,B


What command is used with vi editor to search a pattern in the forward direction?
Options: ??,    //,    ?,    /

Ans:D ,D


You get a call from a network administrator who tells you that he typed the following into his router: Router(config)#router ospf 1 Router(config-router)#network 10.0.0.0 255.0.0.0 area 0 He tells you he still can't see any routes in the routing table. What configuration error did the administrator make?
Options: The wildcard mask is incorrect.,    The OSPF area is wrong.,    The OSPF Process ID is incorrect.,    The AS configuration is wrong.

Ans:A ,A


Features of XML include which of the following?
Options: The tags are used to describe the appearance of the content.,    Addresses the structuring and manipulation of the data involved.,    Governs the display of information in a Web browser.,    All of the above.

Ans:B ,B


Who is called the "grand father" of the computer?
Options: Blaise Pascal,    Charles Babbage,    Joseph Jacquard,    Dr. Herman Hollerith

Ans:B ,B


Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current?
Options: 0.3 A,    0.2 A,    0.4 A,    0.6 A

Ans:B ,B


Storage capacity of magnetic disk depends on
Options: A) tracks per inch of surface B) bits per inch of tracks C) disk pack in disk surface D) All of above

Ans:D,D


. Formulas in Excel start with
Options: a. % b. = c. + d. –

Ans:– b,– b


Which particular generation of computers is associated with artificial intelligence?
Options: Second,    Fourth,    Fifth,    Third

Ans:C ,C


Which one of the following is termed a combination input-output device?
Options: VDT,    Keyboard,    Printer,    Laser Jet

Ans:A ,A


. Which of the following in not Outer join?
Options: Left outer join B. Right outer join C. Full outer join D. All of the above

Ans: – D ,


A medium for transferring data between two locations is called
Options: Network,    Communication channel,    Modem,    Bus

Ans:B ,B


Which of the following operating system reads and reacts in actual time?
Options: Quick Response System B. Real Time System C. Time Sharing System D. Batch Processing System

Ans:– B ,


The unit of a computer system that executes program, communicates with and often controls the operation of other subsystems of the computer is known as
Options: CPU,    Control Unit,    I/O unit,    Peripheral unit

Ans:A ,A


All the instructions and procedures needed to start up a computer, to the point it can load an operating system, are stored in ROM chips. In IBM compatible PCs this is called the _____
Options: RAM BIOS,    ROM BIOS,    EPROM,    POST

Ans:B,B


. Which number system is usually followed in a typical 32-bit computer?
Options: A) Binary B) Decimal C) Hexadecimal D) Octal

Ans:A,A


If you want to execute more than one program at a time, the systems software you are using must be capable of:
Options: word processing,    virtual memory,    compiling,    multitasking

Ans:D ,D


. To display a shortcut menu for an object you use
Options: a. Click the object b. Right click the object c. Point the object and press Ctrl+P d. Touch the object on the screen with your finger

Ans:8 – b ,8 – b


Which one of the following phrasers best describes flux density?
Options: The concentration of lines of magnetic force,    The rate of change of the number of lines of magnetic force,    The opposition to a build-up of magnetic fields,    The force that maintains lines of force

Ans:A ,A


Lower-level managers make day-to¬day ______ decisions to schedule and control specific tasks.
Options: operational,    decision,    success,    simulation

Ans:A ,A


. CAD software is most likely to be used by
Options: a. Web designer b. Engineers c. Project Manager d. Magazine Editor

Ans:0 – b ,0 – b


The CPU of a computer transfers print output to a temporary disk memory at high speed and then gets back to processing another job without waiting for the output to got to the printer. In this way, the CPU does not remain idle due to its own high speed as compared to the low speed of the printer. What is the name of this memory?
Options: External memory,    I/O memory,    ROM,    Buffer memory

Ans:D,D


The area of AI that investigates methods of facilitating communication between people and computers is:
Options: natural language processing,    symbolic processing,    decision support,    robotics

Ans:A ,A


Which of the following device is used to connect two systems, especially if the systems use different protocols?
Options: hub,    bridge,    gateway,    repeater

Ans:C ,C


How can you create a uniform appearance by adding a background image to all slides?
Options: a. Create a template b. Edit the slide master c. Use the autocorrect wizard d. All of the above

Ans: – B , – B


To copy cell contents using drag and drop press the
Options: a. End key b. Shift key c. Ctrl key d. Esc key

Ans:#8211; a,#8211; a


In computer terminology a compiler means
Options: a person who computes source programs,    the same thing as a programmer,    key punch operator,    a program which translates source program into object program

Ans:D ,D


Give me an example of a cell address.
Options: 11 25 B. 911 C. 41A D. A21

Ans:– D ,


You were installing an application in Windows 95, and the computer crashes, what do you do?
Options: press alt + Ctrl + delete, twice,    press alt + Ctrl + delete, and end task,    press the reset button on the computer,    turn off computer and boot from a floppy disk

Ans:D ,D


PCM stands for _____
Options: plug-compatible manufacturer,    personal computer media,    PC-manufacturer,    PC-modem

Ans:A ,A


The fact that the same operation may apply to two or more classes is called what?
Options: Inheritance,    Polymorphism,    Encapsulation,    Multiple classification

Ans:B ,B


  To draw the Square box in the slide by selecting rectangle tool A.  Holding CTRL & Draw B.  Holding ALT & Draw C.  Holding SHIFT & Draw D.  All of the above
Options:

Ans:– C ,


Which of the following is a valid format for mounting a CD-ROM drive?
Options: mount -t iso9660 /dev/cdrom / mnt/cdrom,    mount /dev/cdrom,    mount /mnt/cdrom,    All of the above

Ans:D ,D


The computer code for the interchange of information between terminals is
Options: ASCII,    BCD,    EBCDIC,    All of the above

Ans:A ,A


What is the main advantage of magnetic core memory over semiconductor RAM memory?
Options: more compact and smaller,    more economical,    a bit does not have to write after reading,    non volatile

Ans:D ,D


. ______ allows you to resize controls, adjust column widths, move columns, and change labels while viewing the actual data in the report.
Options: a. Design View b. Layout View c. Print Preview d. Report View

Ans:4 – b ,4 – b


A master document contains_________, each of which contains a pointer to a file on a
Options: A. Placeholders B. subdocuments C. bookmarks D. references

Ans:B ,subdocuments


The register which holds the address of the location to or from which data are to be transferred is known as
Options: index register,    instruction register,    memory address register,    memory data register

Ans:C ,C


How many layers does OSI Reference Model has?
Options:  4 B.  5 C.  6 D.  7

Ans:– D ,


To reconstruct a system, which of the following key element(s) must be considered :
Options: feedback and environment,    control and processors.,    outputs and inputs,    All of the above

Ans:D ,D


One approach to standardizing storing of data
Options: MIS,    structured programming,    CODASYL specifications,    All of the above

Ans:C ,C


Which three commands can be used to check LAN connectivity problems on a router? show interfaces show ip route tracert ping dns lookups
Options: 1 ,2 and 4,    2 and 5,    3 and 5,    None of the above

Ans:A ,A


. If you want all of the white cats grouped together in the database, you need to sort by ________.
Options: a. Color, then Gender b. Pet Type, then Color c. Pet Type, then Gender d. Color, then Pet Name

Ans:– b,– b


Alice is setting up a small network in her home so that she can study for her MCSE exams. She doesn't have a lot of money to spend on hardware, so she wants to use a network topology that requires the least amount of hardware possible. Which topology should she select?
Options: Star,    Right,    Token-Ring,    Ethernet

Ans:E ,E


29. What is a Document Outline View?
Options: a. A preview in a full screen b. A preview with margins c. A View with a margins and gutter d. A view with a structure of heading at various levels

Ans:–  D ,–  D


The primary interactive method of communication used by humans is:
Options: reading,    writing,    speaking,    All of the above

Ans:C ,C


The acronym HDI stands for:
Options: Half duplex interface,    Hard disk interface,    Head to disk interference,    Help desk interference

Ans:D ,D

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