CoreSpring4.2CertificationMockExam

Question

ContainerQuestion1

GiventhefollowingSpringconfigurationfile,whatisthecorrectanswer: <bean class="com.spring.service.MyServiceImpl"> <property name="repository" ref="jpaDao"/> </bean> <bean class="com.spring.repository.JpaDao"/>

1. ThefirstdeclaredbeanMyServiceImplismissinganidmustbenamedmyService

2. TheseconddeclaredbeanJpaDaoismissinganidmustbenamedjpaDao

3. Answers1and2arebothrights

4. Answers1and2arebothwrong

Question2

GiventheSpringconfigurationfile,whicharethecorrectstatements?

<bean class="com.spring.service.BankServiceImpl" p:bankName="NationalBank"> </bean>

1. Thepnamespacehastobedeclared

2. BeanidisbankServiceImpl

3. TheBankServiceImplreferencesaNationalBankbean

4. NationalBankisascalarvalue

Question3

Whatthenameofthebeandefinedinthefollowingconfigurationclass?Selectasingleanswer.

@Configuration public class ApplicationConfig { @Autowired private DataSource dataSource; @Bean ClientRepository clientRepository() { ClientRepository accountRepository = new JpaClientRepository(); accountRepository.setDataSource(dataSource); return accountRepository;

}

}

1. JpaClientRepository

2. jpaClientRepository

3. clientRepository

4. Twobeansaredefined:adatasouceandarepository

Question4

HowcouldyouexternalizeconstantsfromaSpringconfigurationfileoraSpringannotationintoa

.propertiesfile?Selectoneormoreanswers

1. Byusingthe<util:constant/>tag

2. BydeclaringtheConstantPlaceholderConfigurerbeanpostprocessor

3. Byusingthe<context:property-placeholder/>tag

4. Byusingthec:namespace

Question5

Whatstatementisnotcorrectinliveenvironment?Selectauniqueanswer.

1. Constuctorandpropertiesautowiringinthesamebeanarenotcompatible

2. Abeanshouldhaveadefaultorano-argsconstructor

3. The<constructor-arg>tagcouldtaketype,nameandindextoreduceambiguity

4. Noneoftheabove

5. Alloftheabove

Question6

Whataretherightaffirmationsaboutthe@PostConstruct,@Resourceandthe@PreDestroy

annotations?

1. ThoseannotationsarespecifiedintheJSR-250

2. TheSpringFrameworkembeddedthoseannotations

3. The<context:component-scan>tagenablethem

4. The<context:annotation-config>tagenablethem

5. DeclaringtheCommonAnnotationBeanPostProcessorenablethem

Question7

Whatis/aretypicallycase(s)whereyouusuallyneedtomanuallyinstantiatedanApplicationContext?

1. Inawebapplication

2. InanintegrationtestrunningwiththeSpringJUnit4ClassRunner

3. Inastandaloneapplicationstartedwithamainmethod

4. Noneoftheabove

Question8

SelecttherightstatementaboutreferringaSpringconfigurationfileinsidethepackagecom.example.myappinthebelowexample?ApplicationContext context = new ClassPathXmlApplicationContext("classpath:/com.example.myapp.config.xml");

1. Theclasspath:prefixcouldbeomitted

2. Packagenameusingthedotcharacterisnotwellformatted

3. Theslashcharacterprecedingcom.examplecouldbeomit

4. Alloftheabove

5. Noneoftheabove

Question9

Howtoauto-injectintoafieldaSpringbeanbyitsname?Selectoneormoreanswerchoices.

1. Withthenameattributeofthe@Autowiredannotation

2. Byusingthesingle@Qualifierannotation

3. Byusingboththe@Autowiredandthe@QualifierSpringannotations

4. Byusingthe@Autowiredannotationandnamingthefieldwiththebeanname

Question10

Whatarethemainadvantagesofusinginterfaceswhendesigningbusinessservices?Selectoneor

moreanswerchoices.

1. Mockingorstubbingtheservice

2. BeabletousetheSpringauto-injection

3. Candodependencychecking

4. Looselycoupledcode

Question11

SelectoneormanycorrectanswersaboutSpringbeanlifecycle.

1. Themethodannotatedwith@PostConstructiscalledafterbeaninstantiationandbefore

propertiessettingofthebean

2. Themethod@PreDestroyofaprototypebeaniscalledwhenthebeanisgarbagecollected

3. Theinit()methoddeclaredintheinit-methodattributeofabeaniscalledbeforethe

afterPropertiesSetcallbackmethodoftheInitializingBeaninterface

4. Themethodannotatedwith@PostConstructiscalledbeforetheafterPropertiesSetcallback

methodoftheInitializingBeaninterface

Question12

Giventhefollowingconfigurationclass,whatarethecorrectaffirmations?Selectoneormore

answers.

public class ApplicationConfig { private DataSource dataSource; @Autowired public ApplicationConfig(DataSource dataSource) { this.dataSource = dataSource; } @Bean(name="clientRepository") ClientRepository jpaClientRepository() { return new JpaClientRepository(); } }

1. @Configurationannotationismissing

2. Defaultorno-argconstructorismissing

3. @Beannameisambiguous

4. @Beanscopeisprototype

Question13

WhatarethefeaturesoftheXML<context:namespace?Selectoneormanyanswers.

1. @Transactionalannotationscanning

2. @Aspectannotationdetectionenabling

3. @Autowiredannotationenabling

4. @Componentannotationscanning

Test

Question14

SelectoneormorecorrectstatementsaboutdevelopingintegrationtestwithSpringsupport.

1. AnewSpringcontextiscreatedforeachtestclass

2. Togetareferenceonthebeanyouwanttotest,youhavetocallthegetBean()methodof

theSpringcontext

3. Springcontextconfigurationcouldbeinheritedfromthesuperclass

4. TheSpringcontextconfigurationfilehastobeprovidedtothe@ContextConfiguration

annotation

Question15

Whatarethemainadvantage(s)forusingSpringwhenwritingintegrationtests?

1. ReuseSpringconfigurationfilesoftheapplication

2. Createmockorstub

3. Beabletousetherollbackafterthetestpattern

4. Usedependencyinjection

Question16

Whatarethemainadvantage(s)forusingSpringwhenwritingunittests?

1. ReuseSpringconfigurationfilesoftheapplication

2. Usedependencyinjection

3. Providesomemocksforservletclasses

4. Alloftheabove

5. Noneoftheabove

Question17

WhatisrightabouttheSpringtestmodule?

1. Itprovidesanabstractionlayerforthemainopensourcemockframeworks

2. Providesthe@Mockannotation

3. Itdynamicallygeneratesmockobjects

4. Alloftheabove

5. Noneoftheabove

Question18

Selectcorrectstatement(s)abouttransactionalsupportoftheSpringtestmodule.

1. Transactionmanagercouldbesetwithinthe@TransactionConfigurationannotation

2. Methodannotatedwith@Beforeisexecutedoutsideofthetest’stransaction

3. SpringtestmayrollbackthetransactionofaserviceconfiguredwiththeREQUIRES_NEW

propagation

4. Thetransactionofamethodannotatedwiththe@Rollbackannotationwithitsdefault

valuesisrolledbackafterthemethodhascompleted

AOPQuestion19

Considering2classesAccountServiceImplandClientServiceImpl.Anyofthese2classesinheritsfrom

eachother.Whatistheresultofthefollowingpointcutexpression?

execution(**..AccountServiceImpl.update(..))

&&execution(**..ClientServiceImpl.update(..))

1. Matchespublicupdatemethodsofthe2classes,whateverthearguments

2. Matchesanyupdatemethodsofthe2classes,whatevertheargumentsandmethodvisibility

3. Matchesanyupdatemethodsofthe2classes,withonemoreargumentsandwhatever

methodvisibility

4. Nojointpointisdefined

Question20

UsingtheSpringAOPframework,whatisthevisibilityofthemethodmatchesbythefollowingjoin

point?

@Pointcut("execution(* *(..))") private void anyOperation() {};

1. Allmethods,whereastheirvisibility

2. Allmethods,exceptprivatemethod

3. Protectedandpublicmethods

4. Publicmethods

Question21

Whatarethe2correctstatementsaboutAOPproxy?

1. AOPproxiesarecreatedbySpringinordertoimplementtheaspectcontracts

2. AOPproxiesarealwayscreatedwithaJDKdynamicproxy

3. Onlyclassesthatimplementsaleastoneinterfacecouldbeproxied

4. Allmethodscouldbeproxied

5. ProxiesarecreatedbyaBeanPostProcessor

Question22

Whatisanafterthrowingadvice?Selectauniqueanswer.

1. Advicethatcouldthrowanexception

2. Advicetobeexecutedifamethodexitsbythrowinganexception

3. Advicethatexecutesbeforeajoinpoint

4. Springdoesnotprovidethistypeofadvice

Question23

Whatisanafterreturningadvice?Selectauniqueanswer.

1. Advicetobeexecutedregardlessofthemeansbywhichajoinpointexits

2. Advicethatsurroundsamethodinvocationandcanperformcustombehaviorbeforeand

afterthemethodinvocation

3. Advicetobeexecutedbeforemethodinvocation

4. Advicetobeexecutedafterajoinpointcompleteswithoutthrowinganexception

Question24

Whatisanadvice?Selectauniqueanswer.

1. Anactiontakenbyanaspectataparticularjoinpoint

2. Apointduringtheexecutionofaprogram

3. Anaspectandapointcut

4. Apredicatethatmatchesjoinpoints

Question25

Whatisapointcut?Selectthesingleanswer.

1. Codetoexecuteatajoinpoint

2. Anexpressiontoidentifyjoinpoints

3. Anadviceandajointpoint

4. Noneoftheabove

Question26

Selectmethod’ssignaturesthatmatchwiththefollowingpointcut:

execution(*com.test.service..*.*(*))

1. voidcom.test.service.MyServiceImpl#transfert(Moneyamount)

2. voidcom.test.service.MyServiceImpl#transfert(Accountaccount,Moneyamount)

3. voidcom.test.service.account.MyServiceImpl#transfert(Moneyamount)

4. voidcom.test.service.account.MyServiceImpl#transfert(Accountaccount,Moneyamount)

5. Noneoftheabove

Question27

WhataretheuniquerightansweraboutSpringAOPsupport?

1. Anadvicecouldproxiedaconstructor’sclass2. Apointcutcouldselectmethodsthathaveacustomannotation3. Staticinitializationcodecouldbetargetedbyapointcut4. Combinationofpointcutsby&&,||andthe!operatorsisnotsupported

Question28

UsingtheSpringAOPframework,whatarethejoinpointmethodsofthefollowingpointcut

expressions?

execution(public**(..))

1. Theexecutionofallpublicmethod

2. Theexecutionofallpublicmethodreturningavalue

3. Theexecutionofallpublicmethodhavingatleastoneparameter

4. Theexecutionofallpublicmethodinclassbelongingtothedefaultjavapackage

DataAccess

Question29

Whyisitabestpracticetomarktransactionasread-onlywhencodedoesnotwriteanythingtothe

database?Selectoneormoreanswers.

1. ItismandatoryforusingSpringexceptiontranslationmechanism

2. MaybeimproveperformancewhenusingHibernate

3. Springoptimizesitstransactioninterceptor

4. ProvidessafeguardswithOracleandsomeotherdatabases

Question30

WhatdataaccesstechnologyissupportedbytheSpringframework?Selectoneormoreanswers.

1. JDBC

2. NoSQL

3. Hibernate

4. JPA

Question31

WhatisnotprovidedbytheJdbcTemplate?Selectauniqueanswer.

1. Datasourceaccess

2. Open/closedatasourceconnection

3. JDBCexceptionwrappingintoDataAccessException

4. JDBCstatementexecution

Question32

UsingJdbcTemplate,whatistheSpringprovidedclassyouwilluseforresultsetparsingandmerging

rowsintoasingleobject?Selectauniqueanswer.

1. RowMapper

2. RowCallbackHandler

3. ResultSetExtractor

4. ResultSetMapper

Question33

WhatconfigurationissupportedbytheLocalSessionFactoryBeanwhichsupportsHibernate4or

higher?Selectauniqueanswer.

1. Listingentityclassesannotatedwith@Entity

2. Scanningapackagetodetectannotatedentityclasses(with@Entity)

3. ListinghibernateXMLmappingconfigurationfile(.hbm.xml)

4. Allabove

TransactionQuestion34

Whatis/areincorrectstatementsaboutXMLdeclarationofthetransactionmanagerbean?Select

oneormoreanswers.

1. ThetxnamespaceprovidesJTAtransactionmanagerdeclarationshortcutsyntax

2. IdofthebeanhastobetransactionManager3. Dependingtheapplicationpersistencetechnology,theHibernateTransactionManagerorthe

DataSourceTransactionManagercouldbeusedasbeanclass

4. Defaulttransactiontimeoutcouldbegiven

Question35

Assuming@TransactionalannotationsupportisenabledandthetransferMoneymethodiscalled

throughaSpringAOPproxy,whatisthebehaviorofthefollowingcodesample?

@Transactional(propagation=Propagation.REQUIRED) public void transferMoney(Account src, Account target, double amount) { add(src, -amount); add(src, amount); } @Transactional(propagation=Propagation.REQUIRES_NEW) public void add(Account account, Double amount) { // IMPLEMENTATION }

1. Theadd()methodexecutescodeinanewtransaction

2. Theadd()methodusesthetransactionofthetransferMoney()method

3. Whencallingtheadd()method,anexceptionisthrown

4. Otherbehavior

Question36

DoesSpringprovideprogrammatictransactionmanagement?Selectauniqueanswer.

1. YeswiththeTransactionTemplateclass

2. YeswiththeTransactionServiceclass

3. Yesusingthe@Transactionalbeanpostprocessor

4. No

Question37

WhatisthetransactionbehaviorofthePROPAGATION_REQUIRES_NEWmode?Selectaunique

answer.

1. Ifatransactionexists,thecurrentmethodshouldrunwithinthistransaction.Otherwise,it

shouldstartanewtransactionandrunwithinitsowntransaction.

2. Ifatransactionisinprogress,thecurrentmethodshouldrunwithinthenestedtransaction

oftheexistingtransaction.Otherwise,anewtransactionhastobestartedandrunwithinits

owntransaction.

3. Thecurrentmethodmuststartanewtransactionandrunwithinitsowntransaction.Ifthere

isanexistingtransactioninprogress,itissuspended.

4. Noneoftheabove

Question38

Whatisthedefaultrollbackpolicyintransactionmanagement?

1. RollbackforanyException

2. RollbackforRuntimeException

3. Rollbackforcheckedexceptions

4. Alwayscommit

Sping@MVC

Question39

WhatcouldnotreturnaSpringMVCcontroller?Selectasingleanswer.

1. Anabsolutepathtotheview

2. Alogicalviewname

3. AnewJstlView

4. void

5. nullvalue

Question40

WheredoyoucannotdeclareSpringMVCcontroller?Selectoneormoreanswers.

1. InaSpringapplicationcontextXMLconfigurationfile

2. Intotheweb.xmlfileofthewebapplication

3. Intothejavacodebyusingannotations

4. IntotheJSPpages

Question41Whatistheeasiestmethodtowriteaunittest?

1. void displayAccount(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException

2. void displayAccount(HttpServletRequest req, HttpSession Session) throws ServletException, IOException

3. @RequestMapping("/displayAccount") String displayAccount(@RequestParam("accountId") int id, Model model)

4. @RequestMapping("/displayAccount") String displayAccount(@PathVariable("accountId") int id, Model model)

SpringSecurity

Question42

HowcouldyousecureMVCcontrollerwithSpringSecurity?Selectauniqueanswer.

1. Withthe@Securedannotation

2. Withthe@RolesAllowedannotation

3. InaXMLsecurityconfigurationfile

4. Alloftheabove

5. Noneoftheabove

Question43

WhatarethepossiblemechanismsprovidedbySpringSecuritytostoreuserdetails?Selectoneor

morecorrectanswers.

1. Database

2. JAAS

3. LDAP

4. Propertiesfile

Question44

WhatisrightaboutSpringSecurityconfigurationandthesecuritynamespace?Selectoneormore

correctanswers.

1. Theaccessattributeoftheintercept-urltagsupportbothELandconstantstogether.

2. Thepatternsdeclaredintotheintercept-urltagareanalyzedfromuptobottom.Winningis

thefirstthatmatches.

3. Thepatternsdeclaredintotheintercept-urltagusebydefaultthejavaregexsyntax.

4. Securityrulesmayapplydependingrequestparameter

RESTQuestion45WhichofthefollowingistrueregardingthebelowSpringcontroller?

@RestController public class OwnerController { @RequestMapping(value = "/owner/{ownerId}", method = RequestMethod.POST) @ResponseBody public Owner findOwner(@PathVariable("ownerId") int ownerId) { return new Owner(); } }

1. RequestMethod.GETmethodismoreaccuratethanPOST2. @PathVariableshouldbereplacedwiththe@PathParamannotation3. Returningthe201HTTPstatuscodeisbetter4. @ResponseBodycouldberemoved

Question46

Whichofthefollowingstatementsistrueregardingthe@ResponseStatusannotation?

1. @ResponseStatusisdetectedonnestedexceptions2. TheExceptionHandlerExceptionResolverusesthe@ResponseStatusannotationtomap

exceptiontoHTTPstatuscode3. Acontrollerhandlerisannotatedwiththe@ResponseStatus,theresponsestatussetby

RedirectViewtakesprecedenceovertheannotationvalue.4. The@ResponseStatusannotationcangoona@RequestMappingmethodora@RestController

classorabusinessexceptionclass.

MicroserviceQuestion47

Comparedtomonolithicapplication,whataretheadvantage(s)ofmicroservices?

1. Thebasecodeiseasytounderstand2. Implyasimpledistributedsystem3. Easierdeployment

4. Fine-grainedscaling

Question48

WhatSpringCloudprovidesinamicroservicesarchitecture?

1. AServiceDiscoveryimplementation2. Aserverforexternalizedconfiguration3. ADockerfilebuildinganimagethatrunsanySpringBootapplication4. NetflixOSSintegrationforSpringBoot

SpringBootQuestion49

WhatprovidesSpringBoot?

1. SupportforJettyandUndertowasembeddedcontainers2. Javacodegeneration3. Auto-configurationoftheSpringFrameworkandthirdlibraries4. Convenientdependencydescriptorstoloadtransitivedependencies5. SupportbothJava-basedandYAMLforSpringapplicationcontextconfiguration

Question50

WhatisthenameofthedefaultenvironmentconfigurationfileofSpringBoot?

1. configuration.spring2. configuration.yml3. configuration.xml4. application.properties5. application.json

Response

ContainerQuestion1

Answer2iscorrect.Thosebeansareanonymousbecausenoidissuppliedexplicitly.ThusSpring

containergeneratesauniqueidforthatbean.Itusesthefullyqualifiedclassnameandappendsa

numbertothem.However,ifyouwanttorefertothatbeanbyname,throughtheuseoftheref

elementyoumustprovideaname(seeNamingBeanssectionoftheSpringreferencemanual).Tobe

correct,the2ndbeanhastodeclareajpaDaoidattributeinordertobereferencebythe

repositorypropertyofthefirstbean.

Question2

Answers1and4arecorrect.

1. Tosetbean’spropertywiththep:propertyNameshortcut,youhavetodeclarethe

http://www.springframework.org/schema/pinyourxmlconfigurationfile.Noxsdis

required.

2. Thebeanisanonymous.Springgeneratesauniqueid:com.spring.service.BankServiceImpl#0

3. Toreferenceanotherbeanwiththepnamespace,youhavetousethep:propertyName-ref

syntax

4. Duetotheaboveexplanation,NationalBankisnotabeanreference,soitisasimpleString

andthusascalarvalue.

Question3

Correctansweris3.

The@BeanannotationdefinesaStringbeanwiththeid"clientRepository".JpaClientRepositoryis

theimplementationclassofthebean.Thedatasourceisinjectedandisnotdeclaredinthisclass.

Question4

Theonlypossibleansweristhenumber3.

1. The<util:constantstatic-field="constantname"/>tagenablestoreferenceaJavaconstantor

enumerationintoaspringconfigurationfile

2. ConstantPlaceholderConfigurerdoesnotexist.Youmaythinkaboutthe

PropertyPlaceholderConfigurer,whichisaBeanFactorypostprocessor.

3. The<context:property-placeholderlocation="file:/myApp.properties"/>tagactivatesthe

replacementof${...}placeholders,resolvedagainstthespecifiedpropertiesfile.

4. Thec:namespaceisforsimplifyingconstructorsyntax(sinceSpring3.1)anddon’tprovide

suchfeature.

Question5

Thestatementsnumber5isright.

1. Youmayauto-wiringpropertiesbyconstructor,setterorpropertiesinthesamebean

2. The<constructor-arg>taghelpstoinstanciatedabeanwithoutdefaultorno-args

constructor

3. The<constructor-arg>tagcouldtaketypeandindextoreduceambiguity,butnotname

whichrequiresdebugsymbols.

Question6Answers1,3,4and5arerights.

1. The@PostConstruct,@PreDestroyand@ResourceannotationsaredefinedintheJSR-250

"CommonAnnotations"

2. Theybelongtothejavax.annotationpackage.Youshouldaddanexternaljartousethemin

Java5.Java6andaboveintegratesthem.

3. The<context:component-scan>automaticallydetectsstereotypedclassesandturnsonthe

<context:annotation-config>

4. The<context:annotation-config>activatestheSpringinfrastructureforvariousannotations

tobedetectedinbeanclasses,includingtheJSR-250annotations

5. TheCommonAnnotationBeanPostProcessorsupportscommonJavaannotationsoutofthe

box,inparticulartheJSR-250annotations.

Question7

Correctanswerinthenumber3.

1. Inawebapplication,theContextLoaderListenerisinchargetocreatean

WebApplicationContext.

2. InanintegrationtestbasedonSpring,theSpringJUnit4ClassRunnercreatestheapplication

contextforyou.The@ContextConfigurationannotationallowstospecifiedapplication

contextconfigurationfiles.

3. Inamainmethod,youhavetoinstantiateaclassimplementingtheApplicationContext

interface(examples:ClassPathXmlApplicationContextorFileSystemXmlApplicationContext)

Question8

Answernumber4isright.

1. When using the ClassPathXmlApplicationContext, theclasspath:prefixisdefaultone

soyoucouldomitit

2. InaSpringlocationresource,packageseparatorisaslashandnotadot.Thusthe

com/example/myapp/config.xmlsyntaxhastobeused.

3. ClassPathXmlApplicationContextstartslookingfromrootoftheclasspathregardlessof

whetherspecify"/"

Question9

Answersnumber3and4arevalid.

1. The@Autowiredannotationhasnonameproperty,justarequiredone.

2. Forautowiring,the@Injectorthe@Autowiredorthe@Resourceannotationsare

mandatory.

3. The@Qualifier("name")annotationcompletestheuseofthe@Autowiredannotationby

specifyingthenameofthebeantoinject

4. When2beansareeligibletoauto-injection,Springusesthefieldnametoselectthe

appropriateone.

Question10

Answersnumber1and4arevalid.

1. WithmodernmockAPIlikeMockitoorEasyMock,interfacesarenotmandatoryformocking

orstubbingtheservice.Butusinginterfaceremainseasierwhenyouhavetomanuallymock

theserviceinunittest.

2. Auto-injectionispossiblewithclass.SpringusesCGLIB.

3. Dependencycheckingisanadvantageofdependenciesinjection.

4. TheInversionofControlpatternrequiresaninterfacetoseparate2classes.Thispattern

providescodemoreflexible,unittestable,looselycoupledandmaintainable.

Question11

Correctanswers:4

1. Inthebeanlifecycle,methodannotatedwith@PostConstructiscalledaftertheproperties

setstepandtheBeanPostProcessors#postProcessBeforeInitializationstep

2. Destroymethodsofprototypebeansarenevercalled

3. Inthebeanlifecycle,theafterPropertiesSetcallbackmethodoftheInitializingBeaniscalled

afterthemethodannotatedwiththe@PostConstructannotationandbeforetheinit-method

declaredintheXMLconfigurationfile.

4. Inthebeanlifecycle,themethodannotatedwiththe@PreDestroyannotationiscalled

beforethedestroycallbackoftheDisposableBeaninterfaceandbeforethedestroy-method

declaredintheXMLconfigurationfile.

Question12

Correctanswersare1and2.

1. InordertobetakenintoaccountbySpring,theApplicationConfigclasshastobeannotated

withthe@Configurationannotation

2. Defaultorno-argconstructorismandatory.Here,theprovidedconstructorwitha

dataSourceparameterisnottakenintoaccount

3. ThebeannameisclientRepository.Thenamepropertyofthe@Beanannotationisspecified

thusthemethodnamejpaClientRepositoryisignored.

4. SingletonisthescopeofthejpaClientRepositorybean.

Question13

Correctanswersare3and4

1. Use<tx:annotation-driven/>toenable@Transactionalannotationscanning

2. Use<aop:aspectj-autoproxy/>toenabledetectionof@Aspectbean

3. Turnson<context:annotation-config/>or<context:component-scan/>toenable

@Autowiringannotation

4. Turnson<context:component-scan/>toenable@Componentannotationscanning

Test

Question14

Theonlycorrectanswerisnumber3.

1. TheSpringcontextiscachedacrosstestsunlessyouusethe@DirtiesContextannotation

2. WiththeSpringtestmodule,dependencyinjectionisavailableintestcase.Soyoumayauto-

wiredthebeanyouaretesting.

3. Bydefault,a@ContextConfigurationannotatedclassinheritstheSpringcontext

configurationfilelocationsdefinedbyanannotatedsuperclass.TheinheritLocationsofthis

attributeallowstochangethisdefaultbehavior.

4. Ifnocontextconfigurationfileisprovidedtothe@ContextConfigurationannotation,Spring

usesafileconventionnaming.Ittriestoloadafilenamedwiththetestclassnameand

sufficesby"-context.xml"(i.e.MyDaoTest-context.xml)

Question15

Correctanswersare1,3and4.

Whatarethemainadvantage(s)forusingSpringwhenwritingintegrationtests?

1. Morethantestingmultipleclassestogether,integrationtestmayallowtotestyourspring

configurationfileand/ortoreuseit.

2. Mockingorstubbingismorefrequentinunitteststhaninintegrationtests.AndSpringdoes

notprovideanyimplementationorabstractionofmockframework.

3. Theframeworkmaycreateandrollbackatransactionforeachtestmethod.Defaultrollback

policycouldbechangedbyusingthe@TransactionConfigurationannotation.Anddefault

modecouldbeoverriddenbythe@Rollbackannotation.

4. DependencyInjectionTestExecutionListenerprovidessupportfordependencyinjectionand

initializationoftestinstances.

Question16

Thecorrectansweristhenumber3.

Whatarethemainadvantage(s)forusingSpringwhenwritingunittests?

1. Youdon’tneedSpringcontainertowriteunittest

2. Refertotheanswernumber1.

3. Theorg.springframework.mockpackageprovidesmockclasseslikeMockHttpSessionor

MockHttpContext.Theycouldbehelpfulforunittestinthepresentationlayerandwhenyou

don’tuseanymockframeworksuchasMockityorEasyMock.

Question17

Answer5iscorrect.

Whatisrightaboutthespringtestmodule?

1. Thespringtestmoduledoesnotprovideanabstractionlayerforopensourcemock

frameworkslikeEasyMock,JMockorMockito

2. The@MockannotationscomesfromtheMockitoframework

3. Thespringtestmoduledoesnotprovidemechanismtogeneratemockobjectsatruntime

Question18

Correctstatementsarenumber1and4.

1. ThetransactionManagerpropertyofthe@TransactionConfigurationannotationenablesto

setthebeannameofthePlatformTransactionManagerthatistobeusedtodrive

transactions.

2. Methodannotatedwith@Beforeisexecutedinsidethetest’stransaction.Youhavetouse

the@BeforeTransactiontoexecutecodeoutsidethetest’stransaction.

3. TheREQUIRES_NEWpropagationsuspendsthecurrenttest’stransactionthencreatesanew

transactionthatwillbeusedtoexecutetheservice.Acommitattheservicelevelcouldnot

bechangedbythetest.

4. Thetransactionfortheannotatedmethodshouldberolledbackafterthemethodhas

completed.

AOPQuestion19

Thecorrectansweristhenumber4.

Considering2classesAccountServiceImplandClientServiceImpl.Anyofthese2classesinheritsfrom

eachother.Whatistheresultofthepointcutexpressions?

execution(**..AccountServiceImpl.update(..))

&&execution(**..ClientServiceImpl.update(..))

Poincutexpressioncouldnotsatisfiedbothfirstandsecondexecutionpoint.Donotconfusethe&&

operatorand||operator.

Question20

Correctansweristhenumber4.

Duetotheproxy-basednatureofSpring'sAOPframework,protectedmethodsarebydefinitionnot

intercepted,neitherforJDKproxienorforCGLIBproxies.Asaconsequence,anygivenpointcutwill

bematchedagainstpublicmethodsonly!

Tointerceptprivateandprotectedmethods,AspecJweavingshouldbeusedinsteadoftheSpring’s

proxy-basesAOPframework.

Question21

The2correctstatementsare1and5.

Whatarethe2correctstatementsaboutAOPproxy.

1. AnobjectcreatedbytheAOPframeworkinordertoimplementtheaspectcontracts

2. Ifthetargetobjectdoesnotimplementanyinterfaces,thenaCGLIBproxywillbecreated.

YoucouldalsouseCGLIBproxyinsteadofJDKdynamicproxy

3. Ifthetargetobjectdoesnotimplementanyinterfaces,thenaCGLIBproxywillbecreated.

4. WhenCGLIBproxyisused,finalmethodscannotbeadvised,astheycannotbeoverridden.

5. AOPProxiesarecreatedbytheAbstractAutoProxyCreator#postProcessAfterInitialization

method.

Question22

Theanswernumber2iscorrect.

1. Abeforeadvicecouldthrowanexception

2. Anafterthrowingadviceisexecutedifamethodexitsbythrowinganexception

3. Anadvicethatexecutesbeforeajoinpointisnamedabeforeadvice

4. Springsupportsafterthrowingadvices

Question23

Correctanswer:4

1. Thisisanafter(finally)advice

2. Thisisanaroundadvice

3. Thisisabeforeadvice

4. True

Question24

Correctanswer:1

1. Definitionofanadvice

2. Definitionofajointpoint

3. Representsnothing

4. Definitionofapointcut

Question25

Correctanswer:2

1. Definitionofanadvice

2. Definitionofapointcut

3. Representsnothing

Question26

Correctanswers:1,3

Selectmethodsthatmatchwiththefollowingpointcut:

execution(*com.test.service..*.*(*))

1. True

2. Thepattern(*)matchesamethodtakingoneparameterofanytype

3. Thecom.test.service.accountsub-packagematchesthepointcut

4. Falseforthesamereasonasanswernumber2.

Question27

Correctanswers:2

1. InterceptionofconstructorsrequirestheuseofSpring-drivennativeAspectJweavinginstead

ofSpring'sproxy-basedAOPframework

2. The@annotationdesignatorenablestoselectmethodsthatareannotatedbyagiven

annotation

3. ThestaticinitializationAspectJdesignatorisnotsupportedbySpringAOP

4. Pointcutexpressionscanbecombinedusing&&,||and!

Question28

Correctanswers:1

1. Theexecutionofallpublicmethod

2. The*returntypepatternindicatesanyreturnvalueorvoid

3. The(..)parampatternindicates0,1ormanyparameters

4. Nopackagenameisspecified.Soclassesofanypackagecouldmatch.

DataAccess

Question29

Correctanswers:2,4

1. Springexceptiontranslationmechanismhasnothingtodowithread-onlytransaction

2. Read-onlytransactionpreventsHibernatefromflushingitssession.Hibernatedoesnotapply

dirtycheckingthusitincreasesitsperformance.

3. No

4. WhenJSBCtransactionismarkedasread-only,OracleonlyacceptsSELECTSQLstatements.

Question30

Correctanswers:1,3,4

1. JDBCissupported:JdbcTemplate,JDBCExceptionwrapper…

2. SomeNoSQLdatabasesaresupportsthroughtheSpringDataproject

3. Hibernateissupported:HibernateTemplate,AnnotationSessionFactoryBean…

4. JPAissupported:LocalEntityManagerFactoryBean,@PersistenceContextannotationsupport

Question31

Correctanswer:1

1. AJdbcTemplaterequiresaDataSourceasinputparameters

2. JdbcTemplateusestheprovideddatasourcetoopenthencloseaJDBCconnection

3. CallbackmethodsoftheJdbcTemplatethrowsandSQLExceptionthanSpringconvertsintoa

DataAccessException

4. Forexample,thequeryForIntmethodexecutesanSQLstatement

Question32

Correctanswer:3

1. RowMapper:resultsetparsingwhenneededtomapeachrowintoacustomobject

2. RowCallbackHandler:resultsetparsingwithoutreturningaresulttotheJdbcTemplatecaller

3. ResultSetExtractor:forresultsetparsingandmergingrowsintoasingleobject

4. ResultSetMapper:thisclassdoesnotexist

Question33

Correctanswer:4

1. TrueusingtheannotedClassesproperty.ForHibernate3.x,thispropertyisavailablefromthe

AnnotationSessionFactoryBeanchildclass.

2. TrueusingthepackagesToScanproperty.ForHibernate3.x,thispropertyisavailablefrom

theAnnotationSessionFactoryBeanchildclass.

3. TrueusingthemappingLocationsproperty.

4. True

TransactionQuestion34

Correctanswer:2

1. <tx:jta-transaction-manager/>

2. Idofthetransactionmanagerbeancouldbecustomized(ie.txManager)3. DataSourceTransactionManagerisatransactionmanagerforaJDBCdatasource.

HibernateTransactionManagermaybeusedtomanagetransactionwithHibernate.

4. TheAbstractPlatformTransactionManagerhasadefaultTimeoutpropertythatcouldbe

customized

Question35

Correctanswer:2

Inproxymode,onlyexternalmethodcallscominginthroughtheproxyareintercepted.Inthecode

snippet,theadd()methodisself-invocated.Thismeansthat,the@Transactionalannotationofthe

add()methodisnotinterpreted.TheREQUIRES_NEWpropagationlevelisnottakenintoaccount.

Tosummary,whenthetransferMoney()methodscallsadd()methoddirectly,thetransaction

attributesofadd()methodarenotused

Question36

Correctanswer:1

1. TheTransactionTemplateclassprovidesanexecute(TransactionCallback)method

2. TheTransactionServiceclassdoesnotexists

3. The@Transactionalannotationisfordeclarativetransactionmanagement

Question37

Correctanswer:3

1. PROPAGATION_REQUIRED

2. PROPAGATION_NESTED

3. PROPAGATION_REQUIRES_NEW

Question38

Correctanswer:2

1. False.

2. True

3. False

4. False

Sping@MVC

Question39

Correctanswer:1

1. Springdoesnotallowtoreturnanabsolutepathtotheview

2. ControllercouldreturnaStringthatmatcheswithalogicalviewname

3. AJstlViewwiththe.jsppath(i.e./WEB-INF/accountList.jsp)

4. voidforwardtothedefaultview

5. nullforwardtothedefaultview

Question40

Correctanswer:2,4

1. SpringMVCcontrollersarebeans.SoyoucandeclarethemintoaSpringapplicationcontext

XMLconfigurationfilethatcouldbeloadedbytheDispatcherServlet.

2. Intheweb.xml,youmaydeclarerandaContextLoaderListenerandaDispatcherServletthat

areinchargetoloadXMLSpringconfigurationfiles.Butyoucannotdeclarecontrollers

directlyinthosefiles.

3. The@ControllerannotationmaybeusedtoannotatedSpringMVCControllerbeansthat

handleHTTPrequests.

4. JSPistheViewoftheMVCPattern.Thusthisisnottherightplacetodeclareanycontroller.

Question41Correctanswer:3

1. HttpServletRequestandHttpServletResponsehavetobemocked.Idoftheaccounttodisplaycouldbesetintothehttprequestparameters.

2. HttpServletRequestandHttpSessionhavetobemocked.Idoftheaccounttodisplaycouldbesetintothehttprequestparameters.

3. ThismethodisnotdependentoftheservletAPI.Idoftheaccounttodisplaymaybedirectlypassedthroughthecallstack.Thustestmethodsaresimplified.

4. The@PathVariableannotationhastobeboundtoaURItemplatevariable.Thisisnotthecase.

SpingSecurity

Question42

Correctanswer:4

1. @SecuredannotationisaSpringSecurityannotation

2. @RolesAllowedisaJSR-250annotationthatissupportedbySpringSecurity

3. SpringSecuritycouldbeconfiguredinaXMLwaytointerceptparticularURLs

Question43

Correctanswer:1,2,3and4

Question44

Correctanswer:2

1. YoucannotmixELandconstantinthesameconfigurationfile

2. Ifmorethanoneintercept-urlmatches,thetoponeisused

3. Antpatternisusedbydefault.Butyoucanchangetouseregularexpression.

4. SecurityrulesmayapplytorequestURL,requestmethod(GET,POST…)butnottorequest

parameters.

REST

Question45

Correctanswers:1,4

1. Right:theHTTPGETmethodisusedread(orretrieve)arepresentationofaresource.ThisistheaimofthethefindOwermethod.ComparedtothePOSTverbthatismost-oftenusedtocreatenewresources.

2. Wrong:the@PathParamannotationhasthesamepurposethanthe@PathVariableannotation.ButitbelongstoJAX-RS.YoucannotuseitinSpringMVCbutforinstanceinApacheCXForJersey.

3. Wrong:the201HTTPstatuscodemeans"Resourcecreated”.ItfollowsaPOSTcommandthisindicatessuccess.

4. Right:the@RestControllerannotationmarkstheOwnerControllerclassasacontrollerwhereeverymethodreturnsadomainobjectinsteadofaview.It’sshorthandfor@Controllerand@ResponseBodyrolledtogether.Byannotatingthecontrollerclasswith@RestControllerannotation,younolongerneedtoadd@ResponseBodytoalltherequestmappingmethods.

Question46Correctanswers:1

1. Right:startingfromSpringFramework4.2,the@ResponseStatusannotationisdetectedonnestedexceptions.

2. Wrong:thisisthejoboftheResponseStatusExceptionResolverclass3. Wrong:thisistheopposite.4. Wrong:@ResponseStatusannotationona@RestControllerclassisnotsupported

MicroservicesQuestion47

Correctanswers:1,3,4

1. Pro:amicro-serviceisresponsibleonlyforonething.Itrequireslesscodethanamonolithapplicationandhaslessriskofchanges.Anewdeveloperbecomesproductivequickly.

2. Con:distributedsystemarehardertoprogram.Developershavetoconsiderawholehostofconcernsthattheydidn'twithmonolith:backwardscompatibility,faulttolerance,latency,asynchronicity,severalmessageformats…

3. Pro:simpleservicesareeasiertodeploy,andsincetheyareautonomous,arelesslikelytocausesystemfailureswhentheygowrong.Startsthewebcontainermorequickly,sothedeploymentisalsofaster.

4. Pro:ifonemicroservicegetsalotofloadyoucanscalejustit,ratherthantheentireapplication.

Question48

Correctanswers:2,4

1. Wrong:SpringCloudsupportsServiceDiscoverysolutionasEurekaandConsul.ButitdoesnotimplementtheServiceDiscoverypattern.

2. Right:theSpringCloudConfigprojectprovidesbothaserverandaclient-sidesupportforexternalizedconfigurationinadistributedsystem.

3. Wrong:SpringClouddoesnotsupportDockeroutofthebox4. Right:SpringCloudsupportsNetfliximplementationofcommonmicroservicespatterns:

ServiceDiscovery(Eureka),CircuitBreaker(Hystrix),IntelligentRouting(Zuul)andClientSideLoadBalancing(Ribbon).

SpringBootQuestion49

Correctanswers:1,3,4

1. Right:usingUndertowinsteadofTomcatisverysimilartousingJettyinsteadofTomcat.2. Wrong:unlikeSpringRoo,oneofthemaingoalofSpringBootistoavoidcodegeneration3. Right:Theauto-configurationpartofSpringBootcanbeachievedthankstotheconditionals

annotations.Theseannotationswillactivatedifferentconfigurationsdependingontheclasses,beans,propertiesorresourcesthataredetectedintheclasspath.

4. Right:thisisStarterPOMs5. Wrong:Java-basedandXMLaresupported.SpringBootfavorsJava-basedconfiguration.

AlthoughitispossibletocallSpringApplication.run()withanXMLsourceandusethe@ImportResourceannotationtoimportSpringXMLconfigurationfile.Insteadofproperties,YAMLissupportedtoexternalizeenvironmentvariables.

Question50

Correctanswer:4

Bydefault,SpringApplicationwillloadpropertiesfromapplication.propertiesfiles.TosupportYAML,

theSnakeYAMLlibraryhastobeaddtotheclasspath.