1
GATE CSE 2012
MCQ (Single Correct Answer)
+1
-0.3
In the IPv4 addressing format, the number of networks allowed under Class C addresses is
A
214
B
27
C
221
D
224
2
GATE CSE 2010
MCQ (Single Correct Answer)
+1
-0.3
One of the header fields in an IP datagram is the Time to Live (TTL) field. Which of the following statements best explains the need for this field?
A
It can be used to prioritize packets
B
It can be used to reduce delays
C
It can be used to optimize throughput
D
It can be used to prevent packet looping
3
GATE CSE 2006
MCQ (Single Correct Answer)
+1
-0.3
For which one of the following reasons does Internet Protocol (IP) use the time-to-live (TTL) field in the IP datagram header?
A
Ensure packets reach destination within that time
B
Discard packets that reach later than that time
C
Prevent packets from looping indefinitely
D
Limit the time for which a packet gets queued in intermediate routers.
4
GATE CSE 2005
MCQ (Single Correct Answer)
+1
-0.3
The address resolution protocol (ARP) is used for
A
Finding the IP address from the DNS
B
Finding the IP address of the default gateway
C
Finding the IP address that corresponds to a MAC address
D
Finding the MAC address that corresponds to an IP address
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