Practice IT Networking Questions and Answers

• The weakening of signal in long-term transmission is called?
• Generation of noise when one signal has higher strength than other while signal propagates in a medium
• Accessing top element of stack without deleting it ?
• How many layers are there in a data warehouse?
• Which of the following are the layers of a data warehouse?
• ‘/a’ is used for what in C++
• Which of the following function is used in every hashing technique
• 5,1,4,2,8 how many more pass are needed to finish sorting by bubble sorting technique?
• Accessing the data value or message value which may even cause a function invocation, is called? 
• In red-black tree, if the parent node is red, colour of child nodes will be?
• Index of first element of linked list default value?
• a snowflake schema  is a logical arrangement of tables in a multidimensional database such that the entity relationship diagram resembles a ...
• If a tree is of 4 level how many elements are present in it?
• keyword is used to skip this iteration and move to next iteration ?
• the star schema is the simplest style of data mart schema and is the approach most widely used to develop data warehouses and dimensional data marts.
• Attributes are made of more than one simple attribute.
• Ternary relationship has how many participating entities?
• Defines the number of entities in one entity set, which can be associated with the number of entities of other set via relationship set.
• Consider below arithmetic operation in python and predict the output X=7.5 Y=2 print(X//Y)
• Predict the output for below code in python X=true Y=false Z=false if not X or Y :   print(“first case”) elif not X or Y or not Y and X &n...
• Predict the output for below code in python Count =10 Def function1() :   Global Count   for i in(1,2,3) :      Count=Count+1...
• What will be printed from the below code? List1 =[‘Ixambee’,’provides’,’best’,’mock’,’tests’] P...
• What does below UNIX command do? cp file1 file2
• What does below UNIX command do? rm file1 file2
• What does below UNIX command do? cat filename
• A device that provides a central connection point for cable?
• A device that connects network with different protocols?
• A device that helps to prevent congestion and data collision?
• Which of the following are TCL commands
• DCL provides commands to perform which operations?
• The result of SQL select statement is?
• What will be the output of the code int main(){ int x= 10; int y=10; int s=-(-x-y) cout< return 0; }
• What will be the output of the code int main(){ int array[] = {100,200,300}; cout< }
• What will be the output of the code int main(){ int i; for(i=0;i int i; i=20; print(“%d”, i); } return 0; }
• Which of the following correctly describes polymorphism?
• __________ primarily provides insight into how effective network control and practices are, i.e. its compliance to internal and external network policies a...
• Which of the following is/are Network Audit Tools/Software
• _________ is an agile development process focused primarily on ways to manage tasks in team-based development conditions
• Physical address called as MAC address is associated with which layer?
• Which of these signifies Not a value?