1
GATE CSE 2007
MCQ (Single Correct Answer)
+2
-0.6
The address of a class B host is to be split into subnets with a 6-bit subnet number. What is the maximum number of subnets and the maximum number of hosts in each subnet?
A
62 subnets and 262142 hosts.
B
64 subnets and 262142 hosts.
C
62 subnets and 1022 hosts.
D
64 subnets and 1024 hosts.
2
GATE CSE 2007
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following uses UDP as the transport protocol?
A
HTTP
B
Telnet
C
DNS
D
SMTP
3
GATE CSE 2007
MCQ (Single Correct Answer)
+2
-0.6
Match the following:

List - I

(P) SMTP
(Q) BGP
(R) TCP
(S) PPP

List - II

(1) Application layer
(2) Transport layer
(3) Data link layer
(4) Network layer
(5) Physical layer
A
P - 2 Q - 1 R - 3 S - 5
B
P - 1 Q - 4 R - 2 S - 3
C
P - 1 Q - 4 R - 2 S - 5
D
P - 2 Q - 4 R - 1 S - 3
4
GATE CSE 2007
MCQ (Single Correct Answer)
+1
-0.3
Consider the following two statements:

i. A hash function (these are often used for computing digital signatures) is an injective function.
ii. encryption technique such as DES performs a permutation on the elements of its input alphabet.

Which one of the following options is valid for the above two statements?
A
Both are false
B
Statement (i) is true and the other is false
C
Statement (ii) is true and the other is false
D
Both are true
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