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Q. 236
Full Duplex Ethernet can operate between which of the following devices? (Choose two.)
A. Switch to host.
B. Switch to switch.
C. Hub to hub.
D. Switch to hub.
E. Hub to host.
Answer: A, B
Q. 237
What is the bit pattern for the first octet of a class A network address?
A. 0xxxxxxx
B. 10xxxxxx
C. 110xxxxx
D. 1110xxxx
E. 11110xxx
Answer: A
Explanation: Class A networks use a default subnet mask of 255.0.0.0 and have 0-126 as their first octet.
126 binary is 01111111.
Q. 238
What is the network address for a host with the IP address 201.100.5.68/28?
A. 201.100.5.0
B. 2001.100.5.32
C. 201.100.5.64
D. 201.100.5.65
E. 201.100.5.31