MIDTERM EXAM - Deadline_ 5 PM March 2nd

M a rk 1 0 0 o u t o f 1 0 0 selec t one que s tion fl

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: mpt= 34486&showall= 1 7/20 3/2/2014 M IDTERM EXAM - Deadline: 5 PM M ar ch 2nd Que s tion 27 In co rre ct M a rk 0 .0 0 o u t o f 1 .0 0 Fl a g q u e sti o n In a data model there is an Order entity and an Item entity . An Order c an be plac ed for one or more items . An Item may have been ordered z ero to many times . This is an ex ample of a ________ relations hip. Selec t one: a. N:M (many -to-many ) b. illegal (dis allowed) c . 1:N (one-to-many ) d. c irc ular e. 1:1 (one-to-one) Que s tion 28 In co rre ct M a rk 0 .0 0 o u t o f 1 .0 0 Fl a g q u e sti o n In y our tex t there is an ex ample of a many -tomany relations hip between Advis ors and Students . Spec ific ally , one Advis or may have many Student advis ees , and one Student advis ee may have many Advis ors . W hile s uc h a relations hip is fine in a high-level data model, it c annot be implemented in a databas e as diagrammed without ___________. Selec t one: a. mas s ive duplic ation of data in one of the tables b. c onfus ing the organiz ation for whic h the model was c reated c . us ing an ex pens ive noSQL databas e s olution. d. s pec ial databas e management s oftware, s uc h as SQL 29 Co rre ct A modem c onverts digital data into analog s ignals and vic e vers a. M a rk 1 .0 0 o u t o f 1 .0 0 Selec t one: Que s tion Fl a g q u e sti o n True Fals e Que s tion 30 Co rre ct https://nuoodle.nor wich.edu/mod/q uiz/r eview.php?attempt= 34486&showall= 1 Main memory c ontains a bloc k of data and ins truc tions for the ________, whic h c ontrols the 8/20 3/2/2014 M IDTERM EXAM - Deadline: 5 PM M ar ch 2nd M a rk 1 .0 0 o u t o f 1 .0 0 Fl a g q u e sti o n c omputer's res ourc es . Selec t one: a. RAM b. c ac he c . CPU d. operating s y s tem e. data bus 31 Co rre ct W hic h of the following is true of N:M relations hips ? M a rk 1 .0 0 o u t o f 1 .0 0 Selec t one: Que s tion Fl a g q u e sti o n a. The number of entities on eac h s ide of the relations hip MUST be the s ame b. The N and the M repres ent the minimum c ardinalities in the relations hip c . None of thes e c hoic es is c orrec t d. They are als o c alled one-to-many relations hips . e. More than one entity ins tanc e is allowed on eac h s ide of the relations hip. 32 Co rre ct ________ is a piec e of a mes s age that is handled by programs that implement IP. M a rk 1 .0 0 o u t o f 1 .0 0 Selec t one: Que s tion Fl a g q u e sti o n a. A pac k et b. AN attribute c . A router d. A s witc h Que s tion 33 In co rre ct M a rk 0 .0 0 o u t o f 1 .0 0 Fl a g q u e sti o n Although they are as s umed to c ontribute to the margin of a proc es s , the s pec ific value added by s upporting ac tivities is diffic ult to k now. Selec t one: True Fals e https://nuoodle.nor wich.edu/mod/q uiz/r eview.php?attempt= 34486&showall= 1 9/20 3/2/2014 M IDTERM EXAM - Deadline: 5 PM M ar ch 2nd 34 Co rre ct A word proc es s ing program lik e W ord 2007 is an ex ample of a(n) ________. M a rk 1 .0 0 o u t o f 1 .0 0 Selec t one: Que s tion Fl a g q u e sti o n a. horiz ontal-mark et s oftware b. Tupperware c . operating s y s tem s oftware d. firmware e. vertic al-mark et s...
View Full Document

Ask a homework question - tutors are online