CREST CPSA 4, CPSA 5.

100 i- iCorrect iAnswer i- iContinue

101 i- iCorrect iAnswer i- iSwitching iProtocols

102 i- iCorrect iAnswer i- iProcessing

Internet iProtocol iSecurity i(IPsec) i- iCorrect iAnswer i- ia isecure inetwork iprotocol isuite ithat
iauthenticates iand iencrypts ithe ipackets iof idata isent iover ian iInternet iProtocol inetwork




Internet iProtocol iSecurity i(IPsec) i- iCorrect iAnswer i- iused iin ivirtual iprivate inetworks
i(VPNs)




number iof ipossible iTCP iports i- iCorrect iAnswer i- i65535

number iof ipossible iUDP iports i- iCorrect iAnswer i- i65535

RFC1918 i24-bit iblock i- iCorrect iAnswer i- i10.0.0.0/8

RFC1918 i20-bit iblock i- iCorrect iAnswer i- i172.16.0.0/12

RFC1918 i16-bit iblock i- iCorrect iAnswer i- i192.168.0.0/16

Common iVulnerabilities iand iExposures i(CVE) i- iCorrect iAnswer i- iprovides ia ireference-
method ifor ipublicly iknown iinformation-security ivulnerabilities iand iexposures

Common iVulnerability iScoring iSystem i(CVSS) i- iCorrect iAnswer i- ian iopen iindustry
istandard ifor iassessing ithe iseverity iof icomputer isystem isecurity ivulnerabilities




DREAD i- iCorrect iAnswer i- ipart iof ia isystem ifor irisk-assessing icomputer isecurity ithreats

Common iWeakness iEnumeration i(CWE) i- iCorrect iAnswer i- ia icategory isystem ifor
isoftware iweaknesses iand ivulnerabilities




National iVulnerability iDatabase i(NVD) i- iCorrect iAnswer i- ithe iU.S. igovernment irepository
iof istandards-based ivulnerability imanagement idata irepresented iusing ithe iSecurity

iContent iAutomation iProtocol i(SCAP)




500 i- iCorrect iAnswer i- iInternal iServer iError

501 i- iCorrect iAnswer i- iNot iImplemented

502 i- iCorrect iAnswer i- iBad iGateway

503 i- iCorrect iAnswer i- iService iUnavailable

504 i- iCorrect iAnswer i- iGateway iTimeout

,505 i- iCorrect iAnswer i- iHTTP iVersion iNot iSupported

511 i- iCorrect iAnswer i- iNetwork iAuthentication iRequired

CHANGE_ON_INSTALL i- iCorrect iAnswer i- iSYS

MANAGER i- iCorrect iAnswer i- iSYSTEM

TIGER i- iCorrect iAnswer i- iSCOTT

WOOD i- iCorrect iAnswer i- iADAMS

STEEL i- iCorrect iAnswer i- iJONES

CLOTH i- iCorrect iAnswer i- iCLARK

PAPER i- iCorrect iAnswer i- iBLAKE

TRACE i- iCorrect iAnswer i- iTRACESVR

MANAGER i- iCorrect iAnswer i- iOLAPSYS

CHANGE_ON_INSTALL i- iCorrect iAnswer i- iXDB

400 i- iCorrect iAnswer i- iBad iRequest

401 i- iCorrect iAnswer i- iUnauthorized

402 i- iCorrect iAnswer i- iPayment iRequired

403 i- iCorrect iAnswer i- iForbidden

404 i- iCorrect iAnswer i- iNot iFound

405 i- iCorrect iAnswer i- iMethod iNot iAllowed

406 i- iCorrect iAnswer i- iNot iAcceptable

407 i- iCorrect iAnswer i- iProxy iAuthentication iRequired

408 i- iCorrect iAnswer i- iRequest iTimeout

409 i- iCorrect iAnswer i- iConflict

410 i- iCorrect iAnswer i- iGone

, CREST CPSA 4, CPSA 5 QUESTIONS
AND ANSWERS

411 i- iCorrect iAnswer i- iLength iRequired

413 i- iCorrect iAnswer i- iPayload iToo iLarge

426 i- iCorrect iAnswer i- iUpgrade iRequired

429 i- iCorrect iAnswer i- iToo iMany iRequests

threat i- iCorrect iAnswer i- ia isource iof ipotential idisruption, iwhich ihas ithe ipotential ito icause
ia irisk




risk i- iCorrect iAnswer i- ithe icombination iof iconsequences iof ia ithreat ioccurring iand ithe
ilikelihood iof iit idoing iso




inherent irisk i- iCorrect iAnswer i- ithe irisk ithat ian ievent iwill ioccur iwhich imay inegatively
iaffect ithe iachievement iof iorganisation's iobjectives, iassuming ithere iare ino icontrols iin

iplace




residual irisk i- iCorrect iAnswer i- ithe irisk iwhich iremains iafter itaking icontrols iin ito iaccount

Session iInitiation iProtocol i(SIP) i- iCorrect iAnswer i- ia isignaling iprotocol iused ifor iinitiating,
imaintaining, iand iterminating ireal-time isessions ithat iinclude ivoice, ivideo iand imessaging

iapplications




SIP irequests i- iCorrect iAnswer i- iREGISTER; iINVITE; iACK; iBYE; iCANCEL; iUPDATE;
iREFER; iPRACK; iSUBSCRIBE; iNOTIFY; iPUBLISH; iMESSAGE; iINFO; iOPTIONS




IPsec isecurity iarchitecture i- iCorrect iAnswer i- iAuthentication iHeaders i(AH)
Encapsulating iSecurity iPayloads i(ESP)
Security iAssociations i(SA) i- iInternet iSecurity iAssociation iand iKey iManagement iProtocol
i(ISAKMP); iInternet iKey iExchange i(IKE iand iIKEv2)




LM i- iCorrect iAnswer i- iall ipasswords iare iconverted iinto iuppercase ibefore igenerating ithe
ihash ivalue




LM i- iCorrect iAnswer i- ipassword ilength iis ilimited ito imaximum iof i14 icharacters