DotNet Questions 1

7/27/2019 DotNet Questions 1

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1) SOAP is a light weight protocol which operates on top of HTTP.

2) The common Language Specification is a subset of the Common Tpe Sstem !

True") The #ot$et %ramewor& Class Librar is accessible onl to C' applications !

%alse

() *L support is integrate+ in the #ot$et platform, True-) hich of the following statement is false/ ! 0 is false

a. One can buil+ +otnet applications without haing S.$et installe+3

proi+e+ the compiler an+ the runtime is aailable on the machineb. To buil+ a #ot$et application it is man+ator to hae S.$et installe+

4) The concept of single signon is part of the #Otnet Serices.

5) hich of the foll is true w.r.t. a in+ows forms base+ client serer application/ !0 is true

a. 6t is man+ator for the client process an+ the serer process to e7ecute on

+ifferent machines

b. The client process an+ serer process can e7ecute on the same machinec. 6t is man+ator to e7ecute both processes on same machine

8) 0.$et is bac&war+ compatible with 0/ !True9) The #ot$et class librar is store+ in the form of ! A :6L)

a. 6L

b. *eta+atac. *achine co+e

1;) hich of the fol is true w.r.t a meta+ata for a #otnet application/ ,A is true

a. *eta+ata is man+ator for the e7ecution of +otnet application

b. *eta+ata is optionalc. *eta+ata for +otnet is generate+ from 6L ! C is true

11) The function on ilasm.e7e is toa. Conert machine co+e to 6L co+eb. Conert High leel co+e to 6L co+e

c. Conert 6L co+e to machine co+e

12) CL< intreprets the P= co+e generate+ b a +otnet compiler/ !%alse

1") ebforms3 informs an+ ebserices are three tpes of applications that can be

+eelope+ in a .net enironment.

1() 6n .net ,,,,,,,,, i+ use+ to conert a alue tpe into an ob>ect ! 0 :0o7ing)a. Seriali?ation

b. 0o7ing

c.


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14) The root of the +otnet baseclass namespace is Sstem.

15) A webserice client tal&s to a webserice proi+er using , 0

a. %TPb. SOAP

c. HTTP

18) Can a 0.$et application compile+ un+er .$et for in+ows3 be e7ecute+ un+er a

0 runtime installe+ on another in+ows base+ machine , $o

19) hich of the foll is true w.r.t. natie image ! A is truea. $atie images are properitar to the OS an+ the shu+ be create+ onl in

the +eploment si+e

b. $6 are properitar to the OS but still the can be create+ at the +e si+e

an+ once create+ the can be copie+ to the +eploment si+ec. $6 are not properitar to the OS an+ the can be create+ at the

+eelopment si+e an+ once create+ can be copie+ to the +epl si+e.

2;) hich of the foll is true w.r.t compiling an 6L co+e in .net to natie co+e/ , #

a. One can use stan+ar+ >itting to generate optimi?e+ natie co+e from 6Lb. One can use =conom @itting to conert the 6L to natie co+e

c. One can +o install time natie co+e generation from 6L which re+uces the

runtime+. All are true

21) which of these is not e7tension in .net asp73asa73asl73asc7 :ans. .asl7)

22) ect3+ataset3connection.... :ans. #ataSet)

2") A+o.net is +erie+ from com true or false///////////2() application state is preserer across webgar+en or web farm or both//////////

2-) which is a &ewor+ in .net as3foreach3chec&e+3all of aboe :ans. all of the aboe)

24) which ob>ect is use+ for sharing +ata amongst all users of an applicationapplication3session3comman+3.. :ans. Application)

25) eents in C' are base+ on which mo+el +elegate mo+el3eent mo+el etc... :ans.

#elegate mo+el)28) when u want to re+irect to a new page an+ also be able to access the +ata of the

preious page3 use Serer.Transfer:)

29) to mo+if a string without creating a new string ob>ect use String0uil+er:) class

";) 0o7ing an+ Bnbo7ing are conerting from alue tpe to reference tpe an+ iceersa3 strong tpe casting3 ob>ect conersion :ans. all)

"1) chec&e+ an+ unchec&e+ &ewor+s are use+ in C' for boun+s chec&ing//////////

"2) which of the following is +issconnecte+ in nature +ataset3+atarea+er3Comman+:ans. #ataSet)

"") to +ispla +ate in nnn,nn,nnnn3 Bse ;,9DE"F3;,9DE2F3;,9DE(F

"() Cases cannot fall through. use goto or brea&. empt cases can fall through"-) to e7tract a alue from .asp7 in G.asp73 Bse


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"8) #ataA+apter internall ma&es use of KKKKK to retreie +ata :ans. Comman+

ob>ect)

"9) SelectComman+ propert of #ataA+apter is initialse+ on e7ecution of whichstatement :ans. +a.%ill:))

(;) Sstem.#ata contains all #ataSet3#ataTable3#ata


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42) The #atatables that ma&e up the +ata in a +ataset

a. Can inclu+e man heterogeneous +atabases sources

b. Can be from multiple +atabases bases which are homogeneousc. Shoul+ be from Single +atabase source

+. $one of the aboe

4") 6f we are not returning an recor+s from the +atabase which metho+ is use+ , Aa. =7ecute$onIuer:)

b. =7ecute


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following co+e bloc&s shoul+ ou choose to call the #isplaPro+uct$ames:)

metho+/

a. Rscript languageJC'J runatJsererJ


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a. *oe the co+e to the Pre


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Rerror statusCo+eJ(;"J re+irectJ%orbi++en.asp7J N

Rerror statusCo+eJallJ re+irectJMeneral=rror.asp7J N

RNcustom=rrors

54) Gou hae written a isual C' .$=T metho+ that opens a +atabase connectionusing a SlConnection ob>ect3 which retriees some information from the

+atabase an+ then closes the connection. The information is retriee+ using a

store+ proce+ure that might not alwas be aailable because of the maintenancesche+ules. Gou hae wrappe+ the co+e to call the store+ proce+ure in a tr,catch,

finall bloc&. Gou use two catch bloc&sVone to catch the e7ceptions of tpe

Sl=7ception an+ the secon+ to catch the e7ceptions of tpe =7ception. hich of

the following places shoul+ ou choose for closing the SlConnection ob>ect/a. 6nsi+e the tr bloc&3 before the first catch bloc&

b. 6nsi+e the catch bloc& that catches Sl=7ception ob>ects

c. 6nsi+e the catch bloc& that catches =7ception ob>ects

+. 6nsi+e the finall bloc&55) sGour ASP.$=T application inclu+es a eb page name+ =rrors.htm that is

+isplae+ in response to an error. This page is configure+ using the followingco+e in the web.config file

Rcustom=rrors mo+eJOffJ +efault


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reports ia the application3 the focus moes to the first control on the reporting

form. This ma&es it +ifficult for users to e+it their e7pense reports.

hat is the easiest wa to maintain focus across postbac& operations in this

application/

a. Store the name of the current control in session state when the page isposte+ bac&3 an+ use this name to set the focus when the page is re,

create+.

b. Store the name of the current control in iew state when the page is poste+bac&3 an+ use this name to set the focus when the page is re,create+.

c. rite client,si+e co+e that stores the focus control in a hi++en fiel+ an+

retriees this information when the page is re,create+.

+. Set the Smart$aigation attribute of the Page +irectie to true.8;) Gour ASP.$=T eb application uses session state to trac& usernames an+ other

user,specific +etails. Gour eb application contains a eb page that +isplas a

greeting to the userVJelcome RBser$ameJVan+ the pro+uct catalog from a

SIL Serer +atabase. The pro+uct catalog is +isplae+ in a #ataMri+ control thatis populate+ at eer page loa+. hich of the following options shoul+ ou use in

this application to ma7imi?e performance/ :Select two.)1. #isable iew state for the page.

2. #isable session state for the page.

". *a&e the session state rea+,onl for the page.

(. Store the session state in SIL Serer.a. 1 an+ 2

b. 1 an+ "

c. 1 an+ (+. 2 an+ "

81) Gour ASP.$=T application stores sensitie +ata in the session state. Gou nee+ to

maintain the session state een if the eb serer crashes an+ nee+s to berestarte+. hich mo+e attribute shoul+ ou use to configure the RsessionState

element for this application/

a. mo+eJ6nprocJ

b. mo+eJStateSererJc. mo+eJSlSererJ

+. mo+eJOffJ

82) Gou are +eeloping an online boo&store application in isual C' .$=T. Gourapplication nee+s to store the most recent boo& iewe+ b the user an+ show the

recentl iewe+ boo&Us +etails in the lower part of the eb pages wheneer the

user accesses the eb site. Gou +o not want to use serer,si+e resources to storethe boo& 6S0$. hich of the following state,management techniues will help

ou accomplish this/ , C

a. Application state

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b. Session state

c. iew state

+. Cache ob>ect8") How +o 6 get an+ set =nironment ariables using C'/ , A

a. Bse the Sstem.=nironment class.

Specificall the Met=nironmentariable an+ Set=nironmentariablemetho+s.

b. Bse =nironmentariableTarget enumeration &ewor+c. Bse =nironment &ewor+ followe+ b the ariable name in Iuotes

+. 6t is not possible using C'

8() 6 hae written the following co+e

priate oi+ emploeeTerminate : string =mp6+)

E

NN... search for emploee

if : +ata


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E

NN... search for emploee

if : +ata


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b. in+ows

c. %orms

+. passport94) How to configure the *a7 reuest length for an HTTP reuest in ASP.$et/

a. Rhttp


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+. Create an instance of the class Sstem.$et.ebClient. Set the hea+er

properties an+ use the metho+ Post#ata:) to post a reuest.

1;;) How to create controls in ertical or hori?ontal or all on one line3 or in an

format ou specifa. Bse ect from the chil+ win+ow to access an control in theperent win+ow

b. Bse Parent ob>ect from the chil+ win+ow to access an control in the

perent win+ow

c. Bse Chil+ ob>ect from the chil+ win+ow to access an control in the perentwin+ow

+. Bse Mran+Parent ob>ect from the chil+ win+ow to access an control inthe perent win+ow

1;2) hich win+ow +oes not allow user to iew the HTTP source co+e of a

ren+ere+ page/a. +ispla the page using win+ow.show*o+al#ialog:) function.

b. +ispla the page using win+ow.Open:) function.

c. +ispla the page using win+ow.show*o+alin+ow:) function.

+. +ispla the page using win+ow.open*o+al#ialog:) function.1;") hich of the following is $OT true for *aster Pages in .$et 2.; /

a. At least one of the pages in the ASP.$et application must inherit from the

*aster Pageb. *asterPages hae the +efault e7tension of .master

c. An ASP.$et application can hae an number of *asterPages

+. A *asterPage can hae multiple content placehol+ers1;() How +o ou turn off coo&ies for one page in our site / , A

a. Coo&ie.#iscar+

b. Session.Aban+on

c. Session.Clear+. 6t is not possible

1;-) Gou are clic&ing an up+ate button to mo+if +ata from a #atagri+.

Howeer3 the +ata +oes not get up+ate+ een though the Co+e 0ehin+ an+ Store+Proce+ure are correct. The #ata is reloa+e+ from the #atabase +uring Page Loa+

eent an+ boun+ to the #atagri+. THere are no error messages being +isplae+

either. hat can be the most probable reason behin+ this /a. There is no co+e gien for 6sPostbac& eent.

b. The iewstate is not enable+ for the #atagri+

c. The iewstate is not enable+ for the Page

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+. The account un+er which the ASP.$et is running +oes not hae proper

priileges on the #atabase to run the #atabase.

1;4) hat ASP.$=T ob>ect is use+ to get information about the web serers /a. Serer

b. Application

c. ect to ensure thatonl one process accesses a ariable at a time/

a. Loc&:) an+ BnLoc&:)

b. Snchroni?e:)

c. Loc&:)+. Asnchroi?e:)

111) hen an ASP.$=T serer control is a++e+ to a eb %orm3 isual

Stu+io .$=T a++s one item to the class for the form. hat item is a++e+/a. A +efault class that inherits from the controlWs base class

b. A +efault eent han+ler for the clic& eent

c. A protecte+ class member for the control+. The eent registration

112) After capturing the Selecte+6n+e7Change+ eent for a List0o7 control3

ou fin+ that the eent han+ler +oesnWt e7ecute. hat coul+ the problem be/

a. The AutomaticPost0ac& attribute is set to %alse

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b. The Auto=entireup attribute is set to %alse

c. The co+ebehin+ mo+ule is not properl compile+

+. The List0o7 must be +efine+ ith=ents11") After buil+ing a custom control3 ou test it b a++ing an ASP.$=T web

application to the solution. Gou a++ a correct R


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") Pt Sstem Total Processor Time

()


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a. Supports CO* interop

b. Proi+es platform ino&e serices

c. Proi+es marshalling serices+. All

125) Setting the StartProgram propert to JComSpecJ for

*s


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c. Create a custom application for ma&ing the registr entries while installing

the application.

+. =7ecute the registr file from the comman+ prompt.1"() ill 6 be able to pass the custom parameters to the msie7ec comman+.

a. T


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a. *L,


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a. *L uses a #T# to +escribe the +ata

b. *L uses a +escription no+e to +escribe +ata

c. *L uses SL to +escribe +ata+. All of the aboe

1-;) hat is the correct name for a resource file with images for the =nglish

culture3in the Bnite+ States subculture/a. images.BS,en.resources

b. images.en,BS.resources

c. resources.images.en,BS+. images.en,BS.+ll

1-1) hich comman+ woul+ ou use to list the e7isting files in the natie

image cache/

a. $gen.e7e Nshowb. $gen.e7e Nlist

c. $gen.e7e Ncache

+. $gen.e7e Ncache

1-2) Gour application is calle+ AccountingOne.e7e. hat must the name of thesatellite assemblies be/

a. AccountingOne.resources.+llb. Accountingone.resources.+ll

c. Accounting.


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a. public static oi+ *etho+A:)

b. priate static *etho+A:)

c. public oi+ *etho+A:)+. public static *etho+A:)

1-8) %rom which base class all other classes are +erie+ ! Sstem.Ob>ect

1-9) rea+7ml is use+ b,,,,,,,,,,,,,,,,,,,,,#ataset

14;) ith the help of which propert is it possible to chec& whether an .ASP

page is poste+ bac& to the serer/a. Autopostbac&

b. 6s$ewSession

c. 6sAbstract

+. 6sPostbac&141) hich of these can be use+ in forms/ 1 [ 2

a. #atalist

b. #atagri+

c. #atatable

142) ThrowCatch:e7ception)

Catch:ioe7ception)

hat is wrong in this ! An e7ception cannot be there as an argumentMeneral e7ception will be calle+ first

14") hen is %i7e+ use+/

14() what is multi casting

14-) which is use+ for file relate+ operation ! Sstem.6O

144) which of the foll will be use+ to bin+ the te7t propert of a te7tbo7

\t7t0o7W to \empi+W col of the emploee table in +atabase !t7t0o7.#ata0in+ings.A++:]Te7t^3 m#ataset1.tables;D3 ]empi+^)Q

145) which e7ception is raise+ when u tr to up+ate the +b with the alues of

+ataset/ ! +b concurrenc e7ception148) ASP.$et is faourable because

a. Co+e behin+

b. Compile+

c. =as to+. All

149) hich one will be use+ when u nee+ to share +ata across all the users/a. Application

b. Session

c.15;) what is +efault scope of metho+ insi+e an interface , public

151) +atasets can be merge+ onl if the

a. hae same table names

b. same columns

2;


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c. same primar &e

+. all

152) when will u use select comman+ ! %ill :#oubt)15") To +ispla +ate in nnn,nn,nnnn

a. Bse ;,9DE"F3;,9DE2F3 ;,9DE(F

b. Bse ;,9DE"F3;,9D:2)3;,9DE(Fc. Bse ;,9D:")3;,9D:2)3;,9D:()

15() #ataa+apter ma&es use of ,,,,,,,,, to retriee +ata

a. Comman+ ob>b. +ataset

15-) #ataa+apter is use+ in

a. Connecte+ arci

b. #isconnecte+ archic. 0oth

154) Currenc *anager ob> is +e+icate+ to a single

a. %ormb. control177) to fill a combo box with EmpName from Emp table for readonly purpose,178) Exception raised when DataAdapter updates and dere is a change from the

original data17) difference between read only and const18!) code on class and interfacedim c as new system"arraylist

#onsole"writeline$c"arraylist"tostring)

%hat is the o&p

181)18') there was a (uestion something li*e u want to change address without the

user seeing changeuser"asmx which 1 will u usea" ser+er"executeb" ser+er"tranferc" response"redirect

18")

18()

18-)184)

185)

188)

189)19;)

191)

192)19")

19() +f

21


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DotNet Questions 1