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  1. Ama z on DBS-C0 1 Ex am Ama zon AWS Ce rtifie d Da ta ba se – Spe c ia lty Ex am

  2. Pa g e2 Ve rs ion: 4 .0 Q uesti on:1 A com pa ny ha s de pl oye d an e -com m e rce we b appl i ca ti on in a ne w AW S account. An Am azon R DS for M y SQL Mu l ti -AZDB i nsta nce is pa rt of th is de pl oy me ntwi th a database -1. xxxxxxxxxxxx. us- e ast1. rds. am azonaws. com endpoi nt li ste ni ng on port 3306. The com pany ’s Database Spe ci al i st is abl e to l og in to My SQ L and run que ri es from the basti on host usi ng the se de tai l s. W he n use rs try to uti li ze the appl i cati on hoste d in the AW S account, the y are pre se nte d wi th a ge ne ric e rror m es sa g e. The appl i ca ti on se rv e rs are l og gi ng a “coul d not conne ct to se rv er: C onne cti on tim es out” e rror m es sa g e to A m azon C l oudWa tch Log s. W ha t is the ca us e of thi s e rror? A . The user nam e and passw ord the appl i cati on is usi ng are i ncorre ct. B. The se curi ty g roup as si g ne d to the appl i ca ti on se rv e rs doe s not hav e the ne ce ss ary rul es to al l ow i nbound conne cti ons from the DB i nstance. C . The se curi ty g roup assi g ne d to the DB i nstance doe s not hav e the ne ce ssary rul es to al l ow i nbound conne cti ons from the appl i ca ti on se rv e rs. D. The us er na m e and pa ss w ord a re corre ct, but the us er is not authori ze d to us e the DB i nsta nce. Answer :C E x pl an ati on: Re fe re nce: htt ps :/ / for um s. aw s. am a zon. com / th re ad . js pa ?th re ad I D= 129700 Q uesti on:2 A n AW S Cl oudForm ati on stack that i ncl ude d an Am azon R DS DB i nstance was acci de ntal ly de le te d and re ce nt data was l ost. A Database Spe ci al i st ne e ds to add R DS se tting s to the Cl oudForm ati on te m pl ate to re duce the chance of a cci de ntal i nstance data l oss in the future. W hi ch se tting s wi ll m ee t thi s re qui re m ent? (C hoose thre e.) A . Set Deleti onP rotecti on to True B . Se t Mul ti A Z to True C . Set Term i nati onP rotecti on to True D. Se t De le te A utom ate dB ackups to Fal se E . Set Deleti onPol i cy to Delete F. Se t De le ti onPol i cy to Re ta in Answer : ACF

  3. Pa g e3 E x pl an ati on: Re fe re nce: htt ps :/ / docs . aw s. am a zon. com /AW SC l ou dFor m ati on / l a te st/ U se rG ui de /a w s -a ttr i bu te de l e ti on pol i cy. html htt ps :/ /a w s. am a zon. com / pre m i um s up por t/ k now l e dg e -ce nte r /cl ou dfor m ati on -a cci de nta l -u pd a te s/ Q uesti on:3 A Database Spe ci al i st is troubl eshooti ng an appl i cati on conne cti on fai l ure on an Am azon A urora DB cl uste r wi th m ul ti pl e A urora Re pl i ca s that ha d be en runni ng wi th no i ss ue s for the pa st 2 m onths. conne cti on fai l ure l aste d for 5 mi nute s and corre cte d i tsel f afte r that. The Database Spe ci al i st re vi ew ed the Am azon R DS ev e nts and de te rm i ne d a fa i l ov er ev e nt occurre d at that tim e. The fa i l ov er proce ss took around 15 se conds to com pl e te. W hat is the MOST li ke ly cause of the 5-m i nute conne cti on outag e? The A . A fte r a database crash, A urora ne e de d to re pl ay the re do l og from the l ast database che ck poi nt B. The cl ie nt-si de appl i ca ti on is ca chi ng the DN S da ta and i ts T TL is se t too hi gh C . A fte r fai l ov e r, the A urora DB cl uste r ne e ds tim e to warm up be fore acce pti ng cl ie nt conne cti ons D. The re we re no acti ve A urora Re pl i cas in the A urora DB cl uster Answer :C Q uesti on:4 A com pa ny is de pl oy i ng a sol uti on in Am azon A urora by mi g ra ti ng from an on-pre mi se s sy ste m. The IT de partm ent has e stabl i shed an AW S Di re ct C onne ct li nk from the com pany ’s data ce nte r. The com pany ’s Database Spe ci al i st has se le cte d the opti on to re qui re SSL/ TLS for conne cti vi ty to pre ve nt pl ai ntex t data from be i ng se t ov er the ne tw ork. The mi g ra ti on appe ars to be w orki ng succe ss ful l y, and the da ta ca n be qu e ri e d from a de s k top m a ch i ne. Tw o Data A nal y sts hav e be en aske d to que ry and val i date the data in the ne w A urora DB cl uste r. B oth A nal y sts are unabl e to conne ct to A uror a. The ir user nam es and passw ords hav e be en ve ri fie d as val id and the Database Spe ci al i st can conne ct to the DB cl uste r usi ng the ir accounts. The Da ta ba se Spe ci al i st al so ve ri fie d that the se curi ty g roup config urati on al l ow s ne tw ork from al l corporate IP addre sses. W hat shoul d the Database Spe ci al i st do to corre ct the Data A nal y sts’ i nabi li ty to conne ct? A . Re start the DB cl uste r to appl y the SSL chang e. B. I n str u ct th e Da ta A na l y sts to dow nl oa d th e rootce rti ficate and use the SSL ce rti ficate on the conne cti on stri ng to conne ct. C . A dd ex pl i ci t m appi ng s be tw ee n the Data A nal y sts’ IP addre sses and the i nstance in the se curi ty g roup assi g ne d to the DB cl uste r. D. Modi fy the Data A nal y sts’ l ocal cl ie nt fire wal l to al l ow ne tw ork traffic to AW S. Answer :D Q uesti on:5

  4. Pa g e4 A co m p a ny is conce rne d about th e cost of a l arg e -scal e,transa cti onala ppl i ca ti on us i ng A m a zon Dy na m oDB that onl y ne e ds to store da ta for 2 day s be fore it is de le te d.I n l ook i ng at the ta bl e s, a Da ta ba se Spe ci al i st noti ce s that m uch of the da ta is m onths ol d, and g oe s ba ck to w he n the appl i ca ti on was first de pl oye d. W hat can the Database Spe ci al i st do to re duce the ov e ral l cost? A. C re ate a ne w attri bute in each tabl e to track the ex pi rati on tim e and cre ate an AW S Gl ue tra ns form ati on to de le te entri es m ore than 2 day s ol d. B. C re ate a ne w attri bute in each tabl e to track the ex pi rati on tim e and enabl e Dy nam oDB Stre am s on e ach tabl e. C . C re ate a ne w attri bute in each tabl e to track the expi rati on tim e and enabl e tim e to li ve (T TL) on each ta bl e. D. C re ate an Am azon Cl oudWatch Ev e nts ev e nt to ex port the data to Am azon S3 dai ly usi ng AW S Data P i pe li ne and the n trunca te the Am azon Dy na m oDB ta bl e. Answer :A Q uesti on:6 A com pa ny ha s an on-pre m i se s sy ste m that tra ck s va ri ous da ta ba se ope ra ti ons that occur ov er the l i fe ti me of a database , i ncl udi ng database shutdow n, de le ti on, cre ati on, and backup. The com pany re ce ntl y m ov ed tw o database s to Am azon RDS and is l ook i ng at a sol uti on that w ould sa ti sfy thes e re qui re m ents . The da ta coul d be us ed by other sy ste m s wi thi n the com pa ny. W hi ch sol uti on wi ll me et these re qui re me nts wi th mi ni m al e ffort? A . C re ate an Am azon Cl oudwatch Ev e nts rul e wi th the ope rati ons that ne ed to be tracke d on Am azon R DS. C re ate an AW S Lam bda functi on to act on these rul es and w ri te the output to the tracki ng sy ste m s. B. C re ate an AW S Lam bda functi on to tri gg er on AW S Cl oudTrai l AP I cal l s. Fi l te r on spe ci fic R DS AP I cal ls and w ri te the output to the track i ng sy ste m s. C . C re ate RDS ev ent subscri pti ons. H av e the tracki ng sy ste ms subscri be to spe ci fic RDS ev ent sy stem noti fica ti ons. D. Wri te RDS l og s to Am azon Ki ne si s Data Fi re hose . C re ate an AW S Lam bda functi on to act on these rul es and w ri te the output to the track i ng sy ste m s. Answer :C Q uesti on:7 A cl othi ng com pany uses a custom e com m e rce appl i cati on and a Postg re SQ L database to se ll cl othes to thousa nds of us e rs from m ul ti pl e countr i es . The com pa ny is mi g ra ti ng i ts appl i ca ti on and da ta ba se from i ts onpre m i se s data ce nte r to the AW S Cl oud. The com pany has se le cte d Am azon EC 2 for the appl i cati on

  5. Pa g e5 a nd Am a zon R DS for Postg re SQ L for the da ta ba se. The com pa ny re qui re s da ta ba se pa ss w ords to be chang ed ev e ry 60 day s.A Database Spe ci al i st ne e ds to e nsure that the cre de nti al s used by the web appl i ca ti on to conne ct to the da ta ba se are m anag ed se cure l y. W hi ch approach shoul d the Database Spe ci al i st take to se cure ly m anag e the database cre de nti al s? A . Store the cre de nti al s in a tex t fil e in an Am azon S3 bucke t. Re stri ct pe rm i ssi ons on the bucke t to the I AM rol e associ ate d wi th the i nstance profil e onl y. Modi fy the appl i cati on to dow nl oad the tex t fil e and re tri ev e the cre de nti al s on start up. U pdate the tex t fil e ev ery 60 day s. B. C onfig ure IA M da ta ba se authe nti ca ti on for the appl i ca ti on to conne ct to the da ta ba se . C re ate an IAM us er and m ap it to a se pa ra te da ta ba se us er for ea ch e com m e rce us e r. Re qui re us e rs to upda te the ir pa ss w ords ev e ry 60 day s. C . Store the cre de nti al s in AW S Se cre ts Manag e r. Re stri ct pe rm i ssi ons on the se cre t to onl y the IA M role a ssoci a te d wi th the i nstance profil e. Modi fy the appl i ca ti on to re tri ev e the cre de nti al s from Se cre ts Manag er on start up. C onfig ure the rotati on i nte rval to 60 day s. D. Store the cre de nti al s in an encry pte d tex t fil e in the appl i cati on A MI . U se AW S KMS to store the key for de crypti ng the tex t fil e. Modi fy the appl i cati on to de crypt the tex t fil e and re tri ev e the cre de nti al s on sta rt up. U pdate the text fil e and publ i sh a new A MI ev e ry 60 days. Answer :B Q uesti on:8 A financi al se rv i ce s com pany is de ve l opi ng a share d data se rv i ce that supports di ffe re nt appl i cati ons from throug hout the com pa ny. A Da ta ba se Spe ci al i st de si g ne d a sol uti on to le ve ra g e Am azon El asti C ache for Re di s wi th cl uste r m ode e nabl ed to e nhance pe rform ance and scal abi li ty. The cl uste r is config ure d to l i sten on port 6379. W hi ch com bi nati on of ste ps shoul d the Database Spe ci al i st take to se cure the cache data and prote ct it from unauthori ze d acce ss ? (C hoos e thre e.) A . E nabl e i n-transi t and at-re st encry pti on on the El asti C ache cl uste r. B. E nsure that Am azon Cl oudWatch m e tri cs are config ure d in the El asti C ache cl uste r. C . E nsure the se curi ty g roup for the El asti C ache cl uste r al l ow s al l i nbound traffic from i tsel f and i nbound tra ffic on TC P port 6379 from truste d cl i e nts onl y. D. C re ate an IA M pol i cy to al l ow the appl i cati on se rv i ce rol es to acce ss al l El asti C ache AP I acti ons. E. E nsure the se curi ty g roup for the E l asti C ache cl ie nts authori ze i nbound TC P port 6379 and port 22 trafficfrom the truste d El asti C ache cl uste r’ s se curi ty g roup. F. E nsure the cl uste r is cre ate d wi th the auth-toke n param e te r and that the param e te r is used in all s ubs e que nt com m a nds. Answer: ABE E x pl an ati on: Re fe re nce:

  6. Pa g e6 htt ps :/ /a w s. am a zon. com /g e tting -sta r te d/ tutor i al s /s e tting -up-a -re di s -cl uste r-w i th-a m a zone l a sti ca che/ Q uesti on:9 A com pa ny is runni ng an Am azon R DS for Postg e SQ L DB i nsta nce and wa nts to mi g ra te it to an Am azon A urora Postg re SQ L DB cl uste r. The curre nt database is 1 TB in si ze . The mi g rati on ne e ds to hav e mi ni m al d ow nti m e. W hat is the FA STE ST way to accom pl ish thi s? A . C re ate an A urora Postg re SQ L DB cl uste r. Se t up re pl i cati on from the source RDS for Postg re SQ L DB i nstance usi ng AW S DMS to the targ et DB cl uster. B. U se the pg _dum p and pg _ re store uti li ti es to ex tra ct and re store the R DS for Postg re SQ L DB i nsta nce to the A urora Postg re SQ L DB cl uste r. C . C re a te a database snapshot of the R DS for Postg re SQ L DB i nstance and use thi s snapshot to cre a te the A urora Postg reSQ L DB cl uster. D. Mi g rate data from the R DS for Postg re SQ L DB i nstance to an A urora Postg re SQ L DB cl uste r usi ng an A urora Re pl i ca . P rom ote the re pl i ca duri ng the cutov e r. Answer :C Q uestion: 10 A Database Spe ci al i st is mi g rati ng a 2 TB Am azon R DS for Oracl e DB i nstance to an R DS for Postg re SQ L DB i nstance usi ng AW S DMS. The s ource R DS Oracl e DB i nstance is in a VP C in the us-e a st-1 Re g i on. The targ et R DS for Postg re SQ L DB i nstance is in a VP C in the use -w e st-2 Re gi on. W he re shoul d the AW S DMS re pl i cati on i nstance be pl ace d for the MOST opti m al pe rform ance? A . In the sam e Re g i on and VP C of the source DB i nstance B . In the sam e Re g i on and VP C as the targ et DB i nstance C . In the sam e VP C and Avai l abi li ty Zone as the targ et DB i nstance D. In the sa m e VP C and Ava i l abi li ty Zone as the s ource DB i nsta nce Answer :D

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