What is the purpose of the PSH flag in the TCP header?


Options: Typically used to indicate end of message B. Typically used to indicate beginning of message C. Typically used to push the message D. Typically used to indicate stop the message

Ans:– A ,


Description: mcqquestions






More Computer Networks Related questions:


A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is
Options: Touch panel,    Mouse,    Wand,    Writing tablet

Ans:D,(Danswer


What is one important thing transistors do?
Options: Emit light,    Amplify weak signals,    Regulate voltage,    Rectify line voltage

Ans:B ,B


When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):
Options: transitive dependency.,    insertion anomaly.,    referential integrity constraint.,    normal form.

Ans:C ,C


. Which type of command requires additional files to perform specific operations?
Options: a. Internal commands b. External commands c. Valuable commands d. Primary commands

Ans: b, b


When inserting Page number in footer it appeared 1 but you wish to show a. How can you do that?
Options:  A) From format menu choose bullets and Numbering and configure necessary setting, B) From Insert menu choose Page Number and specify necessary setting, C) Click on Page Number Format tool and specify required setting, D) All of above,

Ans:-C,-C


What project is currently developing X server support?
Options: XFree86 Project, Inc.,    RHAD Labs,    GNOME Project,    All of the above

Ans:A ,A


. How to insert Tables in Slide?
Options: a. Insert Table from Insert menu b. Click on Insert Table in content pane of blank slide c. Option A & B d. Tables cannot be inserted in slides

Ans:4 – C ,4 – C


A model in which one physical property is used to represent another physical property is known as:
Options: analog model,    deterministic model,    iconic model,    decision theory model

Ans:A ,A


Which of the following is the correct usage of conditional operators used in C?
Options: a>b ? c=30 : c=40;,    a>b ? c=30;,    max = a>b ? a>c?a:c:b>c?b:c,    return (a>b)?(a:b)

Ans:C ,C


How do you wrap the text in a cell?
Options: Format, cells, font B. Format, cells, protection C. format, cells, number D. Format, cells, alignment

Ans:– D ,


A _____ means that one record in a particular record type is related to only one record of another record type.
Options: One-to-one relationship,    One-to-many relationship,    Many-to-one relationship,    Many-to-many relationship

Ans:A ,A


A notation used to express clearly on algorithm is known as
Options: Algorithmic language,    Assembly language,    Machine language,    High level language

Ans:A ,A


Operational budgeting require how many data files that would not otherwise be needed?
Options: 3,    2,    1,    0

Ans:D ,D


. The essential difference between an operating system like Linux and one like Windows is that
Options: a. Windows can run with an Intel processor, whereas Linux cannot b. Linux is a proprietary whereas Windows is not c. There are multiple versions of Linux, but only one version of Windows d. Any programmer can modify Linux code which is not permitted with Windows

Ans: d, d


Which of the following scheduling objectives should be applied to the following: the system should admit jobs to create a mix that will keep most devices busy
Options: to be fair,    to balance resource utilization,    to obey priorities,    to be predictable

Ans:B ,B


In an absolute loading scheme, which loader function is accomplished by assembler.
Options: Reallocation,    Allocation,    Linking,    Loading

Ans:A ,A


Who was the father of Punched Card Processing?
Options: J Presper Eckert,    Charles Babbage,    Dr. Herman Hollerith,    Blaise Pascal

Ans:C,C


A memory in which the information is stored last is on top & is retrieved first is known as
Options: PROM,    Buffer,    Stack,    RAM

Ans:C ,C


. Using windows explorer, a plus (+) sign in front of a folder indicates
Options: a. An open folder b. The folder contains subfolder c. A text file d. A graphic file

Ans:7 – b ,7 – b


. What happens when a user selects a record in a form and presses [Delete]?
Options: a. The record is deleted in the form and from its source table. b. The record is deleted in the form, but not from its source table. c. The record is neither deleted in the form, nor from its source table. d. The record is not deleted in the form, but is deleted from its source table.

Ans:8 – a ,8 – a


. In MS Access “Lookup Wizard” is used to
Options: a. to select from previous values b. to select values from Excel Sheet c. to select value from another table d. Not a valid Data Type

Ans:– c,– c


.    Which command displays the directory list including files in tree structure?
Options: a.    Dir/s/f b.    Tree/f c.    Tree/s/f d.    Dir/f

Ans:. b,Correct Answer: b. Tree/f


IRQ6 is typically reserved for:
Options: The floppy,    The keyboard controller,    LPT2,    The modem

Ans:A ,A


An identifying label on the first record of magnetic tape is
Options: Punched paper tape,    Optical mark reader,    Tape label,    Joystick

Ans:C ,C


Virtual Memory is A)  Extremely Large Main memory B)  Extremely Large Secondary memory C)  An illusion of extremely large main memory D)  An illusion of extremely large secondary memory
Options:

Ans:– C ,


A problem is first connected to its proposed solution during the _____ stage.
Options: conceptualization,    identification,    formalization,    implementation.

Ans:C ,C


The SQL statement to create a view is:
Options: CREATE VIEW.,    MAKE VIEW.,    SELECT VIEW.,    INSERT VIEW.

Ans:A ,A


. Ctrl + O
Options: Save Document B. Print Document C. Close Document D. Open Document

Ans:– D ,


A communications medium that uses pulses of laser light in glass fibers. Select the best fit for answer:
Options: Fiber optic cables,    Cellular phone systems,    Telecommunications processors,    Telecommunications software

Ans:A ,A


A feasibility document should contain all of the following except:
Options: project name,    problem descriptions,    feasible alternative,    data-flow diagrams

Ans:B ,B


What will be the output of the program? #include<stdio.h> int main() { float d=2.25; printf("%e,", d); printf("%f,", d); printf("%g,", d); printf("%lf", d); return 0; }
Options: 2.2, 2.50, 2.50, 2.5,    2.2e, 2.25f, 2.00, 2.25,    2.250000e+000, 2.250000, 2.25, 2.250000,    Error

Ans:C ,C


To add a Header/Footer in Handout
Options: View -> Page Setup B. View -> Header/Footer C. View -> Handout Master D. None of Above

Ans:– C ,


The last address of IP address represents
Options: Unicast address B. Network address C. Broadcast address D. None of above

Ans:– C ,


What is the term which represents the use of links between information of all sorts whether text, graphics, video oi audio-based?
Options: Hypertext,    Hypermedia,    HyperCard,    Wildcard

Ans:B ,B


Feed back queue
Options: are very easy to implement,    dispatch tasks according to execution characteristics,    are used to favor real-time tasks,    require manual intervention to implement properly

Ans:B ,B


A systems programming language for microcomputers in the Intel family is
Options: PL/C,    PL/CT,    PL/M,    PLA

Ans:C ,C


. Which of the following CANNOT be done to data using a Form?
Options: a. Store b. Sort c. Edit d. Print

Ans:9 – a ,9 – a


A _____ decision is routine one that's made following the completion of a preplanned series of steps.
Options: strategic,    structured,    simulation,    tactical

Ans:B ,B


In a _____ topology, if there are n devices in a network, each device has n - 1 ports for cables.
Options: ring,    bus,    star,    mesh

Ans:D ,D


Which of the following best describes a computer-based information system?
Options: A system in which a computer is used to turn data into information,    Inputting data,    Processing data,    Performing complex mathematical calculations

Ans:A,A


The heart of any computer is the
Options: CPU,    Memory,    I/O Unit,    Disks

Ans:A,A


. In a query’s Design View, right-clicking the sloping portion of the join line between two tables and selecting Delete will delete what?
Options: a. The join line but not the relationship between the two tables b. The relationship between the two tables locally c. The relationship between the two tables globally d. The primary key of the first table

Ans:3 – b ,3 – b


To enable RIPng, which of the following would you use?
Options: Router1(config-if)# ipv6 ospf 10 area 0.0.0.0,    Router1(config-if)# ipv6 router rip 1,    Router1(config)# ipv6 router eigrp 10,    Router1(config-rtr)# no shutdown

Ans:B ,B


In latest generation computers, the instructions are executed
Options: Parallely only,    Sequentially only,    Both sequentially an parallely,    All of the above

Ans:C ,C


Which of the following commands is used to view your file 24 lines at a time?
Options: pg,    cat,    lp,    /p

Ans:A ,A


Which is used for manufacturing chips?
Options: A) Bus B) Control unit C) Semiconductors D) A and b only

Ans:-C,-C


An automatic machine that performs routine seemingly human tasks is
Options: KIPS,    AI,    PL,    Robot

Ans:D ,D


The time for which a piece of equipment operates is called
Options: Seek time,    Effective time,    Access time,    Real time

Ans:B ,B


. Which of the following have the fastest access time?
Options: Semiconductor Memories B. Magnetic Disks C. Magnetic Tapes D. Compact Disks

Ans: – A ,


Missing slot covers on a computer can cause?
Options: over heat,    power surges,    EMI.,    incomplete path for ESD

Ans:A ,A

www.000webhost.com