Practice IT Networking Questions and Answers

• A trigger is ?
• The time required to delete a node x from a doubly linked list having n nodes is
• Which of the following is not the required condition for binary search algorithm?
• A goal of data mining includes which of the following?
• The attributes that do not exist in the physical database
• Binary relationship has how many participating entities?
• Which of the following is not a limitation of binary search algorithm?
• Which is not in relation to the database.
• Firewall is a type of
• Transit time and response time measures the ______of network?
• Unauthorised access to network  is?
• State true/false Once the email is compromised, all other sites and services online associated with this email can be compromised.
• PGP is abbreviated as _______________
• The full form of Malware is ________
• Which of the following is a type of virus?
• Which of the following is/are ideal of ways of spreading virus
• State true/false Trojan works in background and steal data which is sensitive
• State true/false Trojans can sometimes acts in favour of ransomware and ask for ransom.
• Which of the following  shows the count  of arguments passed to the script?
• Which of the following is not shell?
• Which command will help you to find the time of how long the system is being running?
• Which of the following shows the process id which went to background recently.
• How can we set default rwx permission to all users on every file which is created on the current shell?
• Which of the following is not a stable sort algorithm?
• Consider the following sorting algorithms.   I. Quicksort II. Heapsort III. Mergesort Which of them perform in least time in the worst case?
• State true/false Merge sort  uses Divide and Conquer approach to sort the elements.
• __________ is a subject-oriented, integrated, time-variant, nonvolatile collection of data in support of management decisions.
• State true/false A SQL query will not work if there are no indexes on the relations
• Major type of computer chip
• Which of these signifies Not a value?
• Storage capacity of  magnetic disk depends on
• In reverse polish notation , expression A*B+C*D is written as
• Which of the following is lowest in memory hierarchy?
• Write through technique is used in which memory for data updating
• Microinstructions are stored in control memory groups, with each group specify a
• Performance of cache memory is frequently measured in terms of
• Which is the level of implementation of data structure
• In the _____ traversal we process all of the vertex descendant before we move to an adjacent vertex.
• Sending a packet to all destination simultaneously is called
• Count to infinity problem occur in