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  1. 1) Diferenta conceptuala distribuit/paralel - Nodurile in calcul paralel pot partaja memoria
  2.  
  3. 2) Care protocoale folosesc TCP si UDP - DNS
  4.  
  5. 3) Care servicii folosesc protocolul TCP: SMTP, HTTP, FTP
  6.  
  7. 4) Un sistem trebuie sa reflecte imediat orice schimbare consistenta: ACID
  8.  
  9. 5) Scalabilitatea sistemului distribuit este capacitatea - toate cele mentionate
  10.  
  11. 6) Descfirare XML: eXtensible ML
  12.  
  13. 7) Obiectivele de proiectare a sistemelor distribuite: partajarea resurselor si concurenta
  14.  
  15. 8) Avantajele REST: toate mentionate
  16.  
  17. 9) Organizarea fundamentala a sistemelor : Client-Server, Publish-Subscribe, Peer to peer,
  18.  
  19. 10) Situatia in care firele de executie se blocheaza: Deadlock
  20.  
  21. 11)ACID: Atomicity, Consistency, Isolation, Durability
  22.  
  23. 12) Modele SQL (Coloane - Casandra, Value-key: Redis, Graph: Neo4J, docs: mongo
  24.  
  25. 13) Care metode sunt idempotente: DELETE
  26.  
  27. 14) XML Tove, Jani - Corect
  28.  
  29. 15) Organizarea fundamendala a sistemelor este determinata de arhitecturi
  30. {
  31. sistemul prevede... : 'SECVENTE de LOTURI'
  32. in sistem exista o componenta:  'REPOZITORIU PARTAJAT'
  33. sistemul este structurat pe componente vertical : "LAYERS'
  34. }
  35.  
  36. m) Intr-un sistem aplicatiile nu pot sa asigure raspunsuri imediate...
  37. Servicii de mesaje
  38.  
  39. x) Nu este caracteristic REST: Analogice invocarilor de la distanta RPC
  40.  
  41. y) Toate elemente XML nevide trebuie sa aiba un tag de inchidere
  42.  
  43.  
  44. n) Caracteristicile protocoalelor TCP si UDP:
  45. {
  46. Transmission Control Protrocol _______ User DataGram Protocol
  47. Fiabil ____ nefiabil
  48. Orientat pe conexiune  _____ fara conexiune
  49. orientat pe octeti____ orientat pe mesaje
  50. exista _______ nu exista
  51. exista ______ nu exista
  52. ordonat _______ neordonat
  53. }
  54.  
  55. 16) {
  56. Setul de protocoale: stiva de protocoale
  57. Setul de functii: interfata
  58. Setul de reguli: protocol
  59. }
  60.  
  61. 17) {
  62. Flux de octeti - orientat pe conex.
  63. Datagrama confirmata - fara conex.
  64. conexiune nesigura - orientat pe conex.
  65. cerere-raspuns - fara conex.
  66. datagrama nesigura - fara conexiune
  67. flux de mesaje sigur - orientat pe conex.
  68. }
  69.  
  70.  
  71. 18) {
  72. Nivelul descrie functii: 'APLICATIE'
  73. Nivelul defineste sintaxa: 'PREZENTARE'
  74. Nivelul furnizeaza servicii imbunatatite: 'SESIUNE'
  75. Defineste modul de dirijare: 'RETEA'
  76. Printre protocolae (TCP, UDP, SPX, TP04): 'TRANSPORT'
  77. Un obiectiv important al acestui nivel: 'Legatura de date?'
  78. Defineste modul de transmitere a bitilor: 'FIZIC'
  79. }
  80.  
  81. 19) {
  82. Retea OSI: Internet TCP/IP
  83. Transport: TRansport TCP/IP
  84. Sesiune: Aplicatie TCP
  85. Aplicatie: Aplicatie TCP/IP
  86. Fizic: Host to network
  87. Prezentare: Aplicatie TCP/IP
  88. Legatura de date: Host to network
  89. }
  90.  
  91. 20) Tipul de date antentul content type: MIME
  92.  
  93. 21) Threadul este o cale independeta de executie
  94.  
  95. 22) Standardele ISO pentru unitatile de schimb... Protocol Data UNIT
  96.  
  97. 23) Semaforul dirijeaza executia proceselor
  98.  
  99. 24) Metoda POST are scop:
  100. Transmita mesaje date incorporate,
  101. transmita mesaje pentru crearea de resurse
  102.  
  103. 25) fiecare specificare de protocol trebuie sa cuprinda ... check all of them
  104.  
  105. 26)diferenta dintre Thread si Process:
  106. doua procese ruleaza pe spatii de memorii
  107. firul este un subset de proces
  108.  
  109. 27) exista protocoale de retea in stiva OSI ce asigura... TRUE
  110.  
  111. 28)Serviciile si protocoalele sunt termeni ce determina... FALSE
  112.  
  113.  
  114. More:
  115. 20) NOT correct name for an XML element <first name>
  116. 21) XML bine formatat:  <customer id="3456"><address/><zip code="3456"/></customer>
  117. 22)Descrierea XML DATA: XML uses a DTD to describe the data
  118. 23) For the XML parser to ignore a certain section of your XML document <![CDATA[ Text to be ignored ]]>
  119. 24)Task list:
  120. <tasklist>
  121.   <task name="eat"/>
  122.   <task name="drink"/>
  123.   <task name="play"/>
  124. </tasklist>
  125.  
  126. 25) <!DOCTYPE meal [
  127.     <!ELEMENT meal (person*,food*,eats*)>
  128.     <!ELEMENT person EMPTY>
  129.     <!ELEMENT food EMPTY>
  130.     <!ELEMENT eats EMPTY>
  131.     <!ATTLIST person name ID #REQUIRED>
  132.     <!ATTLIST food name ID #REQUIRED>
  133.     <!ATTLIST eats diner IDREF #REQUIRED dish IDREF #REQUIRED>
  134. ]>
  135.  
  136. Care se combina cu DTD?
  137. <meal>
  138.   <person name="Alice"/>
  139.   <person name="Bob"/>
  140.   <person name="Carol"/>
  141.   <person name="Dave"/>
  142.   <food name="salad"/>
  143.   <food name="turkey"/>
  144.   <food name="sandwich"/>
  145.   <eats diner="Alice" dish="turkey"/>
  146.   <eats diner="Bob" dish="salad"/>
  147.   <eats diner="turkey" dish="Dave"/>
  148. </meal>
  149.  
  150.  
  151.  
  152. 26) Here is a DTD:
  153. <!DOCTYPE A [
  154.     <!ELEMENT A (B+, C)>
  155.     <!ELEMENT B (#PCDATA)>
  156.     <!ELEMENT C (B?, D)>
  157.     <!ELEMENT D (#PCDATA)>
  158. ]>
  159. The correct answer is: A B /B B /B C D /D /C /A
  160.  
  161. 27) Which of the following is NOT a valid JSON array?
  162. [ {1}, {2}, {"dog"}, {"cat"}, {true}, {false},
  163.   [1, "dog", null], {"pet":"dog", "fun":true} ]
  164.  
  165. 28) What does XSL stand for? eXtensible Stylesheet Language
  166.  
  167. 29) Incorrect xml:  <1dollar>
  168.  
  169. 30) XML preserves white spaces TRUE
  170.  
  171. 31)What does DTD stand for? Document Type Definition
  172.  
  173. 32) An XML document contains the following portion:
  174. <EMP name = "Kermit">
  175.     <ADDR>123 Sesame St.</ADDR>
  176.     <PHONE type = "cell">555-1212</PHONE>
  177. </EMP>
  178.  
  179. <!ATTLIST PHONE owner IDREF #REQUIRED>
  180.  
  181. 33)  <INFO>
  182.          <ADDR>101 Maple St.</ADDR>
  183.          <PHONE>555-1212</PHONE>
  184.          <PHONE>555-4567</PHONE>
  185.      </INFO>
  186. answer:
  187.  <!ELEMENT INFO (ADDR*,PHONE+)>
  188.  
  189.  
  190. 34) <person>
  191.     <fname>John</fname>
  192.     <lname>Public</lname>
  193.     <address>123 Public Avenue, Seattle, WA 98001</address>
  194.     <major>Computer Science</major>
  195.   </person>
  196.  
  197. 35) Not a Valid JSON:
  198. { "name": "Smiley",
  199.   "age": 20,
  200.   "phone": { "888-123-4567", "888-765-4321" },
  201.   "email": "smiley@xyz.com",
  202.   "happy": true }
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