subject

Which statement is correct? Statement A: The middle layer of the three-layer architecture consists of both the conceptual data model and the logical data model. The logical data model is physically implemented in the internal layer.
Statement B: The top level of the three-layer architecture is the external layer. Views for one or more applications always offer a window on the complete logical model.
A. Only sentence A is right
B. Only sentence B is right
C. Sentences A and B are right
D. Neither A nor B is right

ansver
Answers: 3

Another question on Computers and Technology

question
Computers and Technology, 22.06.2019 22:20
Avariable of the data type arrays is storing 10 quantities. what is true about these quantities? a. the quantities all have different characteristics. b. the quantities all have the same characteristics. c. five quantities have the same and five have different characteristics. d. it is necessary for all quantities to be integers. e. it is necessary for all quantities to be characters.
Answers: 2
question
Computers and Technology, 23.06.2019 10:00
Install and use wireshark program ( send back screen shots and other vital information) case project 3-2: decode a tcp segment in a wireshark capture in this chapter, you walked through tcp segment to interpret the data included in its header. in this project, you use wireshark to capture your own http messafes, examine the tcp headers, and practice interpreting the data you'll find there. 1. open wireshark and snap the window to one side of your screen. open a browser and snap that window to the other side of your screen so you can see both windows.
Answers: 2
question
Computers and Technology, 24.06.2019 04:30
Write and test a python program to find and print the largest number in a set of real (floating point) numbers. the program should first read a single positive integer number from the user, which will be how many numbers to read and search through. after reading in all of the numbers, the largest of the numbers input (not considering the count input) should be printed.
Answers: 1
question
Computers and Technology, 24.06.2019 09:30
Atype of researcher who uses computers to make sense of complex digital data
Answers: 1
You know the right answer?
Which statement is correct? Statement A: The middle layer of the three-layer architecture consists...
Questions
question
German, 01.04.2021 14:00
question
Mathematics, 01.04.2021 14:00
question
English, 01.04.2021 14:00
Questions on the website: 13722363