Practice IT Networking Questions and Answers

• Specific class of computer software that provides the low-level control for adevices specific hardware
• The below mentioned code is in which programming language type array-identifier = array[index-type] of element-type;
• Suppose we have a printer shared between various machines in a network, and any machine or computer in a network can send a print request to the printer. B...
• If we want to represent the graph as an______ , then it can be implemented as_______. 
• The dynamic memory allocation is the memory allocation done at the _________.
• What this code line say? int (*p )(char *a)         
• Which are types of system design
• WI-FI uses
• How many bits are there in Ethernet address
• Which device operates at physical layer
•  FAT stands for?
•  Which is the first process launched by the LINUX?
• Relational Algebra is
• Which of the following table does not exists physically?
• Join of two table R and S where each has “m” and “n” tuples will be of size?
• The major drawback of RAD model is __________.
•  Which of following is /are for strict evaluation?
• An ‘agent’ is anything that, 
•    Below code will give what result for f(3) f(int x) { If(x Return; f(x-1); printf(“%d”, x); f(n-1); }
•  calculate the complexity of the below recursive code   Int f(int n) { If(n return 1; return f(n/2)+f(n/2); }
• Which of the following represents the relationship between object and classes?
• Cardinality related to ————–
• How many labeled binary tress can be made with n nodes?
• "Parity bits" are used for which of the following purposes?
• A proxy server is used as the computer?
• Which of the following will occur when we broadcast two packets on the medium at a time?
• SELECTGETDATE(); This query will give
• __________ is capable of taking decisions on its own.
• Which is not a datatype of COBOL language
• COBOL is used in
• SELECT E.EmpFname, E.EmpLname, P.EmpPosition FROM EmployeeInfo E INNER JOIN EmployeePosition P ON E.EmpID = P.EmpID AND P.EmpPosition IN ('Manager'); This...
• Write a query to fetch department-wise count of employees sorted by department’s count in ascending order. EmployeeInfo is the table name. ...
• Which is not true for B-Tree?
• Consider a B+-tree in which the maximum number of keys in a node is 5. What is the minimum number of keys in any non-root node? 
• A B-tree of order 4 is built from scratch by 10 successive insertions. What is the maximum number of node splitting operations that may take place?
• A is the only candidate key. Then how many superkey possible with R(A,S,C,D)
• AB`->` CD AF`->` D DE`->` F C`->` G F`->` E G`->` A Then which of the following is false?
• Relation R(A,B,C,D,E) has {AB`->` C, C`->` D,B`->` EA} FUNCTIONAL DEPENDENCY Find the candidate key of the relation.
• F={PR`` ST, PSU`` QR} which of the following is trivial functional dependency in F closure?
• relation R(ABCD) has these dependencies {A → B, B → C,C → D} and it is decomposed into three relations R1(AB) , R2(BC), AND R3(CD). State true or fal...