#151 GPS __________ segment facilities that track the GPS satellites monitor their transmissions perform analysis and send commands and data to the constellation.
A) User B) Control C) space
D) Air
Answer: B
#152 GPS __________ segment facilities that track the GPS satellites monitor their transmissions perform analysis and send commands and data to the constellation.
A) User B) Control C) space
D) Air
Answer: B
#153 __________ is the first markup language standard for wireless devices.
A) HTML B) WAP C) HTTP
D) WML
Answer: D
#154 Is a database model in which information is represented in the form of objects.
A) Network Database model B) Relational Database Model C) Object-oriented Database model
D) Hierarchical Database model
Answer: C
#155 In a relational terminology, an attribute is also called ___________.
A) Record B) Entity C) Field
D) Table
Answer: C
#156 _________ is a set of rules or specifications which states that hoe data can be stored, organized and manipulated in a database system.
A) Database Model B) Database design C) Database Architecture
D) Database Structure
Answer: A
#157 ______________ is a database language that defines the structure in which data are stored.
A) DNL B) DCL C) DDL
D) DML
Answer: C
#158 A field, or a combination of fields used to identify particular row in a relation is called ___________.
A) Secondary key B) Foreign key C) Primary key
D) Alternate key
Answer: C