1
GATE CSE 2019
MCQ (Single Correct Answer)
+1
-0.33
Which of the following protocol pairs can be used to send and retrieve e-mails (in that order)?
A
IMAP, SMTP
B
SMTP, POP3
C
IMAP, POP3
D
SMTP, MIME
2
GATE CSE 2019
Numerical
+1
-0.33
The value of 351 mod 5 is_________.
Your input ____
3
GATE CSE 2019
Numerical
+2
-0.67
In an RSA cryptosystem, the value of the public modulus parameter n is 3007. If it is also known that $$\varphi $$(n) = 2880, where $$\varphi $$() denotes Euler's Totient Function, then the prime factor of n which is greater than 50 is ______.
Your input ____
4
GATE CSE 2019
Numerical
+2
-0.67
Consider that 15 machines need to be connected in a LAN using 8-port Ethernet switches. Assume that these switches do not have any separate uplink ports. The minimum number of switches needed is _____.
Your input ____
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