1
GATE CSE 2019
Numerical
+1
-0
The value of 351 mod 5 is_________.
Your input ____
2
GATE CSE 2017 Set 1
MCQ (Single Correct Answer)
+1
-0.3
A sender S sends a message m to receiver R, which is digitally signed by S with its
private key. In this scenario, one or more of the following security violations can take
place.
I. S can launch a birthday attack to replace m with a fraudulent message.
II. A third party attacker can launch a birthday attack to replace m with a fraudulent
message.
III. R can launch a birthday attack to replace m with a fraudulent message.
3
GATE CSE 2016 Set 2
MCQ (Single Correct Answer)
+1
-0.3
Anarkali digitally signs a message and sends it to Salim. Verification of the signature by Salim requires
4
GATE CSE 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Suppose that everyone in a group of N people wants to communicate secretly with the N - 1 others using symmetric key cryptographic system. The communication between any two persons should not be decodable by the others in the group. The number of keys required in the system as a whole to satisfy the confidentiality requirement is
Questions Asked from Network Security (Marks 1)
Number in Brackets after Paper Indicates No. of Questions
GATE CSE Subjects
Theory of Computation
Operating Systems
Algorithms
Database Management System
Data Structures
Computer Networks
Software Engineering
Compiler Design
Web Technologies
General Aptitude
Discrete Mathematics
Programming Languages