Practice IT Networking Questions and Answers

• Identify the highest normal form for the  given set of dependencies on relation R R(ABCDE)= {AB → C, C → D, D → E, E → A,D → B} ...
• 3NF is best suitable for designing of the database?
• The search key used in Index file is also used to physically order the database and search key is the primary key  or candidate key of the database. This...
• Efficiency of the token ring is high if-
• _________ is token ring.
• What type of acknowledgement system is used in 802.5?
• What Are The Functions Of A Switch?
• State true or false In Hub there is one collision domain and one broadcast domain. In Switch there is multiple collision domain and one broadcast domain....
• If the destination MAC address is not found in the MAC address table, the switch forwards the frame out all of its ports except the port on which the frame...
• Which Technology is used for collision detect in Local Area Network
• Unique Logical address is assigned to each host in which layer
• Default value of boolean variable in an array
• Concatenate two strings by using which function?
• Default value of float variable in an array
• Boolean occupies how much space in a 32 bit system
• Physical limitation of a signal is called?
• Function to copy one memory location to other in C++
• Join in which result is generated when variable matches from any one of table
• Which of the following is not true about OLTP?
• Join in which result is generated only when variable matches from both tables.
• 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...