What is the minimum header size of an IP packet?


Options: 16 bytes B. 10 bytes             C. 20 bytes D. 32 bytes

Ans:– C ,






More Computer Networks Related questions:


Who designed the first general purpose electronic digital computer "ENIAC" ?
Options: Van-Neumann,    Joseph M Juoquard,    J. Presper Ecket and John W Mauchly,    All of the above

Ans:C ,C


. Following is not a database model
Options: a. Network database model b. Relational database model c. Object oriented database model d. None

Ans:4 – d ,4 – d


Which of the following statements correct about the below code? maruti.engine.bolts=25;
Options: Structure bolts is nested within structure engine.,    Structure engine is nested within structure maruti.,    Structure maruti is nested within structure engine.,    Structure maruti is nested within structure bolts.

Ans:B ,B


. Which of the following field properties is an expression that specifies criteria or requirements for entering data?
Options: a. Field Size b. Format c. Input Mask d. Validation Rule

Ans:1 – d ,1 – d


What is the name given to the database management system which is able to handle full text data, image data, audio and video?
Options: Full media,    Graphics media,    Multimedia,    Hypertext

Ans:C ,C


Which of the following symbols is (are) not the Data Flow Diagram (DFD):
Options: a square,    an open rectangle,    a circle,    a triangle

Ans:D ,D


which of the following is not an Aggregate function?
Options: Min B. Max C. Select D. Avg

Ans:– C ,


For a type 0 system, the steady-state:
Options: error for a step input is always zero,    error for a velocity input is always zero,    input for acceleration input is always non-zero,    (a) and (c)

Ans:C ,C


Which key do you press to force a page break?
Options: CTRL+ALT B. CTRL+ break C. CTRL+ Enter D. none of the above

Ans:– C ,


.   Which of the following is/are true about rulers and guides?
Options: a. Rulers and guides can be turned on or off b. Rulers and guides print on the slide c. Rulers and guides help place objects on the slide d. A and c

Ans:8 – D ,8 – D


Which of the following statements is true about symmetric multiprocessing?
Options: A single copy of the operating system resides in each processor.,    Useful for situations where data must remain in memory to process.,    Bottlenecks increase with uniprocessor systems because tasks are not shared.,    The problems of memory contention are unlikely.

Ans:B ,B


A primary key should be defined as:
Options: NULL.,    NOT NULL.,    Either of the above can be used.,    None of the above are correct.

Ans:B ,B


In comparison with static RAM memory, the dynamic RAM memory has
Options: lower bit density and higher power consumption,    higher bit density and higher power consumption,    lower bit density and lower power consumption,    higher bit density and lower power consumption

Ans:D,D


. A program in execution is called
Options: a. A Paging b. A Process c. A virtual memory d. A Demand Page

Ans:6 – b ,6 – b


. Microsoft Windows7 is not possible to installed on FAT32 Disk Format.
Options: True B. False

Ans:– A ,


. Which one of the following key is used to refresh the active window?
Options: a. F7 b. F8 c. F9 d. F5

Ans:6 – d ,6 – d


Which of the following is a component of an expert system?
Options: explanation module,    knowledge base,    natural language interface for the user,    inference machine

Ans:E ,E


Computer Network is
Options:  Collection of hardware components and computers B.  Interconnected by communication channels C.  Sharing of resources and information D.  All of the Above

Ans:– D ,


What will be the output of the program? #include<stdio.h> #define CUBE(x) (x*x*x) int main() { int a, b=3; a = CUBE(b++); printf("%d, %d\n", a, b); return 0; }
Options: 9, 4,    27, 4,    27, 6,    Error

Ans:C ,C


Which of the following fields in a student file can be used as a primary key?
Options: a. class b. Social Security Number c. GPA d. Major

Ans:.b,.b


What is the keyboard shortcut for creating a chart from the selected cell range?
Options: A. F2 B. F4 C. F8 D. F11

Ans:– D ,F11


The DROP TABLE statement:
Options: deletes the table structure only.,    deletes the table structure along with the table data.,    works whether or not referential integrity constraints would be violated.,    is not an SQL statement.

Ans:B ,B


First-in-First-Out (FIFO) scheduling is
Options:  Non Preemptive Scheduling B.  Preemptive Scheduling C.  Fair Share Scheduling D.  Deadline Scheduling

Ans:– A ,


Regarding a VDU, Which statement is more correct?
Options: A) It is an output device B) It is an input device C) It is a peripheral device D) It is hardware item

Ans:-C,-C


The personnel who deals with the computer & its management put together are called
Options: Software,    Humanware,    Firmware,    Hardware

Ans:B,(Banswer


Which file transfer protocol uses UDP?
Options: NFS,    TELNET,    TFTP,    FTP

Ans:C ,C


Which of the following is not Unary operation?
Options: Select B. Project C. Rename D. Union

Ans:– D ,


Which option is not available in Insert Table Autofit behavior?
Options:  A) Fixed Column Width, B) AutoFit to Contents, C) Autofit to Window, D) Autofit to Column,

Ans:-D,-D


How many non-overlapping channels are available with 802.11b?
Options: 3,    12,    23,    40

Ans:A ,A


A file organization component of a VSAM file is:
Options: relative record data set,    keyed sequential data set,    entry sequential data set,    all of the above

Ans:D ,D


Which of the following is not a field type in Access
Options: a. Memo b. Hyperlink c. OLE Object d. Lookup Wizard

Ans:ndash; d,ndash; d


. The first Macintosh computer was from
Options: A) First generation B) Second generation C) Third generation D) Fourth generation

Ans:D,D


67. Which of the following is not a type of page margin?
Options: a. Left b. Right c. Center d. Top

Ans:– C ,– C


For a pure capacitor:
Options: ac current and voltage are exactly in phase,    ac current leads the voltage by 90 degree,    ac current is converted to dc voltage,    ac current lags the voltage by 90 degree

Ans:B ,B


Which of the following is true concerning a procedure?
Options: You do not create them with SQL.,    They do not need to have a unique name.,    They include procedural and SQL statements.,    They are the same thing as a function.

Ans:C ,C


Which of the following is true for a relational database?
Options: Data is represented by tables.,    It is difficult to access data.,    Complex programs have to be written for simple queries.,    All of the above.

Ans:A ,A


. Magnetic tape can serve as
Options: A) Secondary storage media B) Output media C) Input media D) All of the above

Ans:A,A


Which of the following are the two main components of the CPU?
Options: control unit and registers,    registers and main memory,    control unit and ALU,    ALU and bus

Ans:C ,C


Using the following illustration, what would be the IP address of E0 if you were using the eighth subnet? The network ID is 192.168.10.0/28 and you need to use the last available IP address in the range. The zero subnet should not be considered valid for this question.
Options: 192.168.10.142,    192.168.10.66,    192.168.100.254,    192.168.10.143

Ans:A ,A


A subquery in an SQL SELECT statement:
Options: can only be used with two tables.,    can always be duplicated by a join.,    has a distinct form that cannot be duplicated by a join.,    cannot have its results sorted using ORDER BY.

Ans:C ,C


. Which of the following class of computers can not support multiple users simultaneously?

Options: A) Mainframe Computer B) Mini Computers C) Micro Computers D) All of them can support

Ans:C,C


Which of the following protocols support VLSM, summarization, and discontiguous networking? RIPv1 IGRP EIGRP OSPF BGP RIPv2
Options: 1 and 4,    2 and 5,    3, 4 and 6,    All of the above

Ans:C ,C


. What is the full form of SQL?
Options: a. Sophisticated Question List b. Structured Question List c. Structured Query Language d. Small Query Length

Ans:– c,– c


What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding?
Options: 1/4,    1/3,    2,    3

Ans:D ,D


When mapping a binary many-to-many relationship into a relation which of the following is true?
Options: One relation is created.,    Two relations are created.,    Three relations are created.,    Four relations are created.

Ans:C ,C


Layer one of the OSI model is
Options: network layer,    transport layer,    link layer,    physical layer

Ans:D ,D


. Which of the following is not an underline option in the format cells dialog box?
Options: a. Double b. Single Accounting c. Double Accounting d. Single Engineering

Ans:– d,– d


. Multiprogramming systems:
Options: a. Are easier to develop than single programming systems b. Execute each job faster c. Execute more jobs in the same time period d. Are used only one large mainframe computers.

Ans:5 – c ,5 – c


. Which of the following statement about directories is false?
Options: a. Directories can exist inside directories b. The root directory is always at the highest level c. Directories cannot be renamed d. Directories can be deleted

Ans:6 – c ,6 – c


How many times the program will print "IndiaBIX" ? #include<stdio.h> int main() { printf("IndiaBIX"); main(); return 0; }
Options: Infinite times,    32767 times,    65535 times,    Till stack overflows

Ans:D ,D

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