[{"id":165587,"question":"Which of the following represents the entities?","choices":[{"text":"Teacher","value":"A"},{"text":"Student","value":"B"},{"text":"Aero plane","value":"C"},{"text":"All","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":165585,"question":"Which of the following activities are involved in data analysis?","choices":[{"text":"Data flow diagram","value":"A"},{"text":"Decision Tables","value":"B"},{"text":"Decision Trees","value":"C"},{"text":"All","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":165583,"question":"All of the following are components of physical database design EXCEPT:","choices":[{"text":"Data volume and usage anylisis","value":"A"},{"text":"Data distribution strategy","value":"B"},{"text":"File organization","value":"C"},{"text":"Normalize the relations","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":165581,"question":"Which component of physical database design refers to the consistency of data?","choices":[{"text":"Indexes","value":"A"},{"text":"Integrity constaint","value":"B"},{"text":"File organization","value":"C"},{"text":"Data distribution strategy","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":165578,"question":"An index may be created on:","choices":[{"text":"Primary key","value":"A"},{"text":"Secondary key","value":"B"},{"text":"Foreign key","value":"C"},{"text":"All","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":165576,"question":"_______________ refers to a method of database distribution in which one database contains data that are included in another database.","choices":[{"text":"Splitting","value":"A"},{"text":"Partitioning","value":"B"},{"text":"Replication","value":"C"},{"text":"Dividing","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":165557,"question":"_______________ refers to a method of database distribution in which different portions of database reside at different nodes in the network.","choices":[{"text":"Spliting","value":"A"},{"text":"Partitioning","value":"B"},{"text":"Replication","value":"C"},{"text":"Dividing","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":165555,"question":" Which of the following is basic data distribution strategy?","choices":[{"text":"Centralized","value":"A"},{"text":"Partitioned","value":"B"},{"text":"Replication","value":"C"},{"text":"All","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":165553,"question":"Which of the following is basic data distribution strategy?","choices":[{"text":"Centralized","value":"A"},{"text":"Partitioned","value":"B"},{"text":"Replication","value":"C"},{"text":"All","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":165551,"question":"Organizing the database in computer disk storage is done in:","choices":[{"text":"Logical design","value":"A"},{"text":"Physical design","value":"B"},{"text":"Analysis","value":"C"},{"text":"Implimentation","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":165548,"question":"An disadvantage of partitioning is:","choices":[{"text":"Complexity","value":"A"},{"text":"Extra space and update time","value":"B"},{"text":"Inconsistent access speed","value":"C"},{"text":"All","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":165546,"question":"An advantage of partitioning is:","choices":[{"text":"Efficiency","value":"A"},{"text":"Extra space","value":"B"},{"text":"Reliabilty","value":"C"},{"text":"Accuracy","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":165544,"question":"The relationship can be:","choices":[{"text":"One-to-one","value":"A"},{"text":"One-to-many","value":"B"},{"text":"Many-to-many","value":"C"},{"text":"All","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":165542,"question":"Which of the following are ingredients of data modeling?","choices":[{"text":"Entities","value":"A"},{"text":"Attributes","value":"B"},{"text":"Relationship","value":"C"},{"text":"All","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":165296,"question":"A factor to consider when choosing a file organization is:","choices":[{"text":"Fast retrieval","value":"A"},{"text":"Security","value":"B"},{"text":"Efficient storage","value":"C"},{"text":"All","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":165295,"question":"A technique for physically arranging the records of a file on secondary storage devices is called:","choices":[{"text":"Physical pointer","value":"A"},{"text":"Retrieval program","value":"B"},{"text":"File organization","value":"C"},{"text":"Update program","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":165294,"question":"A person's name, birthday and social security number are examples of:","choices":[{"text":"Attributes","value":"A"},{"text":"Entities","value":"B"},{"text":"Relationships","value":"C"},{"text":"Descriptors","value":"D"},{"value":"E"}],"correctAnswer":1}]