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1. A CA - D e ve l op e r Fre e Q u e st ions G ood D e m o For A l ibaba Cl ou d A CA - D e ve l op e r Exam 1 / 5

2. 1. A de ve l op e r acce sse s l og s in a Log S e rvice Log st ore via t he A PI . The e rror code re t u rne d by t he se rve r is 40 4. W hich of t he se cou l d be t he cau se ? A . The l og p roj e ct ( Proj e ct ) doe s not e xist B. The re q u e st e d dig it al sig nat u re doe s not m at ch C. S e rve r int e rnal e rror D . S e rve r is bu sy: p l e ase t ry l at e r A nsw e r: A 2 . W hat are t he be ne f it s of cre at ing inde xe s on Pol arD B? ( Nu m be r of corre ct answ e rs: 2 ) A . I m p rove t he q u e ry e f f icie ncy S ELECT st at e m e nt s. B. I m p rove t he e f f icie ncy of D M L op e rat ions su ch as U PD A TE. C. I m p rove t he e f f icie ncy of D D L op e rat ions. D . Re du ce inval id dat a scanning . A nsw e r: A , D Get Great ACA-Developer Exam Questions To Pass Alibaba Cloud Developer ACA-Developer Exam Successfully g rou p s, and cu st om iz e p ol icie s f or m ore f ine - g raine d cont rol A nsw e r: A 3. A ce rt ain p roj e ct of Ent e rp rise A ( cal l e d Proj e ct - X) m ove s t o t he cl ou d and w il l ne e d t o u se a varie t y of s A l ibaba Cl ou d re sou rce s, su ch as ECS inst ance s, RD S inst ance s, S LB inst ance s, and O S S st orag e sp ace . The re are m u l t ip l e e m p l oye e s on t he p roj e ct w ho ne e d t o op e rat e t he se cl ou d re sou rce s. Be cau se e ach e m p l oye e has dif f e re nt j ob re sp onsibil it ie s and re q u ire s dif f e re nt p e rm issions, w hat is t he W RO NG ap p roach t o re sou rce m anag e m e nt ? A . Cre at e RA M u se rs e ach e m p l oye e , and se t l og in p assw ords or cre at e A cce ssK e y cre de nt ial s as ne e de d B. W he n cre at ing RA M f or u se rs, g ive e ach u se r bot h w e b consol e A ND A cce ssK e y cre de nt ial s: t he re is no ne e d t o ke e p t he se se p arat e C. W he n t he re are m u l t ip l e RA M u se rs u nde r a cl ou d accou nt , cre at e u se r g rou p s t o cl assif y and au t horiz e RA M u se rs w it h t he sam e re sp onsibil it ie s D . U se syst e m p ol icie s t o bind re asonabl e p e rm issions p ol icie s t o u se rs or u se r 4. O n w hich op e rat ing syst e m s can you inst al l A l ibaba Cl ou d com m and l ine t ool s? ( Nu m be r of corre ct answ e rs: 3) A . W indow s B. Linu x C. m acO S D . A ndroid A nsw e r: A , B, C 2 / 5

3. Exp l anat ion: ht t p s: / / w w w . al ibabacl ou d. com / bl og / how - t o- m anag e - you r- al ibaba- cl ou d- l inu x- se rve r- f rom - t he - com m and- l ine - int e rf ace - %2 8 cl i%2 9_5938 78 5. A j ob hu nt ing w e bsit e st ore s u se r' s re su m e s in O bj e ct S t orag e S e rvice ( O S S ) The cu rre nt re su m e u p l oad p roce ss is as f ol l ow s: 6. 1 he se rve r u p l oads t he re su m e t o O S S W hich of t he f ol l ow ing m e t hods can be u se d t o u p l oad obj e ct s t o O S S w it hou t re q u iring S t e p 3? A . S im p l e U p l oad B. Form U p l oad C. M u l t ip art U p l oad D . A p p e nd U p l oad A nsw e r: D Get Great ACA-Developer Exam Questions To Pass Alibaba Cloud Developer ACA-Developer Exam Successfully 7. W hich of t he f ol l ow ing p rog ram m ing l ang u ag e s are su p p ort e d by t he A l ibaba Cl ou d S D K ? ( Nu m be r of corre ct answ e rs: 3) A . J ava B. S w if t C. PHP D . Pyt hon E. Bash she l l A nsw e r: A , C, D Exp l anat ion: ht t p s: / / w w w . al ibabacl ou d. com / he l p / doc- de t ail / 74712 . ht m 8 . 1. I n orde r t o have you r ap p l icat ions int e ract w it h A l ibaba Cl ou d Rabbit M Q , you ne e d t o cre at e re l at e d M Q re sou rce s f irst . W hich of t he f ol l ow ing re sou rce s m u st be cre at e d? ( Nu m be r of corre ct answ e rs: 3) A . Vhost B. Exchang e C. Q u e u e D . Broke r E. Top ic A nsw e r: B, C, E 9. W hich of t he se are su it abl e u se case s f or A l ibaba Cl ou d' s M ong oD B se rvice ? ( Nu m be r of corre ct answ e rs: 3) A . A p p l icat ions re q u iring hig h O PS , su ch as l og g ing ap p s 3 / 5

4. B. S ce narios w he re com p l e x t ransact ion su p p ort is re q u ire d C. A p p l icat ions w he re J S O N is a g ood choice of st orag e f orm at D . A p p l icat ions re q u iring g e o- l ocat ion q u e rie s, su ch as l og ist ics or orde r st at u s ap p s A nsw e r: A , B, D 10 . W he n a de ve l op e r cal l s t he A l ibaba Cl ou d S D K t o acce ss El ast ic Com p u t e S e rvice ( ECS ) , t he f ol l ow ing e rror is re t u rne d; Re al Nam e A u t he nt icat ionError W hat is t he p ossibl e cau se ? A . The ECS inst ance nam e viol at e s t he ECS se rvice ' s nam ing conve nt ions. B. The ECS inst ance nam e conf l ict s w it h ot he r inst ance nam e s. C. The u se r' s A l ibaba Cl ou d accou nt has not p asse d re al nam e au t he nt icat ion D . The A PI cal l e rs accou nt and p assw ord are not au t horiz e d f or ECS acce ss. A nsw e r: D Get Great ACA-Developer Exam Questions To Pass Alibaba Cloud Developer ACA-Developer Exam Successfully A . I m p l e m e nt A p saraD B f or Re dis in Cl u st e r M ode B. I nst al l Re dis on an ECS inst ance C. I m p l e m e nt A p saraD B f or Re dis in S t andard M ode D . M ig rat e t he RO S dat abase t o HBase t o save t he cache l aye r A nsw e r: D 11. W hich of t he f ol l ow ing op e rat ions can be p e rf orm e d t hrou g h Log S e rvice sA PI ? ( Nu m be r of corre ct answ e rs: 3) A . Col l e ct l og s base d on Log t ail conf ig u rat ion and Log t ail m achine g rou p inf orm at ion B. Cre at e a Log st ore , w rit e and re ad l og s t o t he Log st ore C. A cce ss cont rol f or dif f e re nt u se rs D . D e l ive r l og s t o O S S f or st orag e and anal ysis A nsw e r: A , B, C 12 . A D e ve l op e r is aske d t o im p l e m e nt a caching l aye r in f ront of RD S . Cache d cont e nt is e xp e nsive t o re g e ne rat e in case of se rvice f ail u re . W hich im p l e m e nt at ion be l ow w ou l d w ork w hil e m aint aining m axim u m u p t im e ? 13. Com p any A has a l arg e nu m be r of f il e s st ore in A l ibaba Cl ou d O S S t hat ne e d t o be de l e t e d ( nu m be ring in t he t e ns of t hou sands) . W hat is t he f ast e st , e asie st w ay t o de l e t e t he se f il e s? A . M anu al l y de l e t e t he m one by one 4 / 5

5. B. Conf ig u re a l if e cycl e ru l e t hat m at che s t he e nt ire bu cke t , and de l e t e al l f il e s af t e r one day C. Cal l t he A PI f rom a scrip t , de l e t ing f il e s in bat che s D . D ire ct l y de l e t e t he bu cke t A nsw e r: A G o To A CA - D e ve l op e r Exam Q u e st ions Fu l l Ve rsion 5 / 5