List of practice Questions

Consider the following statement(s) and choose the correct one.
1. PoP3 does not allow the user to organize his mail on the server.
2. In IMAP4, the user can search the contents of the email for a specific string of characters prior to downloading.
3. MIME is a supplementary protocol that allows ASCII data to be sent through email.
Choose the correct answer from the options given below:

Consider a scenario in which DHCP clients and servers are on the same subnet. Here the communication between DHCP clients and servers will take place via:

In an HTTP request message, the first line is called:

Ten signals, each requiring 4000 Hz, are multiplexed onto a single channel using FDM. How much minimum bandwidth is required for the multiplexed channel? Assume that the guard bands are 400 Hz wide.

Match List I with List II;

LIST I	LIST II
(A) Bucket sort	(I) O(n²)
(B) Matrix chain multiplication	(II) O(n³)
(C) Huffman codes	(III) O(n log n)
(D) Dijkstra’s Algorithm	(IV) O(n)

Choose the correct answer from the options given below:

Rank the following functions by order of growth (Highest running time to lowest running time):
1. $n \times 3^n$
2. $2^{\log(n)}$
3. $n^{2/3}$
4. $4^n$
5. $4^{\log(n)}$
Choose the correct answer from the options given below: 

Match List I with List II

LIST I	LIST II
(A) Circular Linked List	(I) Recursive Function Calls
(B) Doubly Linked List	(II) Round Robin Queue in CPU
(C) Stack	(III) Hash Tables
(D) Singly Linked List	(IV) Undo and Redo Functionality

Choose the correct answer from the options given below:

Consider the given two statements:
S1: Kruskal’s Algorithm might produce a non-minimal spanning tree.
S2: Kruskal’s Algorithm can be efficiently implemented using the disjoint set data structure.
Choose the correct answer from the options given below:

Let A be the problem of finding a Hamiltonian cycle in a graph G = (V, E) with |V| divisible by 3, and B be the problem of determining if a Hamiltonian cycle exists in such graphs. Which one of the following is true?

Consider the quicksort algorithm. Suppose there is a procedure for finding a pivot element which splits the list into two sub-lists, one of which contains one-fifth of the elements and the remaining elements are contained in the other sub-list. Let T(n) be the number of comparisons required to sort n elements. Then:

Which of the following statement(s) is/are not true?
1. Optimal binary search tree construction can be performed efficiently using dynamic programming.
2. BFS cannot be used to find connected components of a graph.
3. Given the prefix and postfix walks over the binary tree, the binary tree cannot be uniquely constructed.
4. DFS can be used to find connected components of a graph.
Choose the correct answer from the options given below:

A list of n strings, each of length n, is sorted into lexicographic order using the merge-sort algorithm. The worst-case running time of this computation is:

The worst-case time complexity of inserting a node in a doubly linked list is:

A hash function f defined as f(key) = key mod 7, with linear probing, is used to insert the keys 37, 38, 72, 48, 98, 11, 56 into a table indexed from 0 to 6. What will be the location of key 11?

Match List I with List II

LIST I	LIST II
(A) Floyd-Warshall algorithm for all pair shortest paths	(I) Divide and Conquer
(B) Prim’s algorithm	(II) Greedy Paradigm
(C) Hamiltonian Circuit	(III) Backtracking
(D) Merge Sort	(IV) Dynamic Programming paradigm

Choose the correct answer from the options given below:

In which theorem \(a^{p−1} = 1 \) mod p where p is prime and a is a positive integer not divisible by p

Computation of the discrete logarithm is the basis of the cryptographic system:

Packet filtering firewalls are deployed on:

The best-known multiple-letter encryption cipher is:

In the DES algorithm, the round input is 32 bits, which is expanded to 48 bits via:

Rail fence technique is an example of:

Which is not a requirement of digital signatures:

The number of wait states required to interface 8279 to 8086 with an 8MHz clock are:

Choose the software interrupt from the following list:

The contents of register BL and register AL of 8085 microprocessor are 49H and 3AH, respectively. The contents of AL, the status of carry flag (CF), and sign flag (SF) after executing the instruction SUB AL, BL are: