1	Which one is a Class C subnet mask
	(1) 255.0.0.0
	(2) 255.255.0.0
	(3) 255.255.255.0
	(4) None of the Above
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2	IPv6 uses _________ bit address
	(1) 32
	(2) 64
	(3) 128
	(4) 132
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3	In which layer of the OSI model, NetBIOS services functions
	(1) Session layer
	(2) Application layer
	(3) Transport layer
	(4) Physical layer
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4	Which one is a connection-oriented protocol
	(1) User Datagram Protocol (UDP)
	(2) Transmission Control Protocol (TCP)
	(3) Internet Control Message Protocol (ICMP)
	(4) Internetwork Packet Exchange (IPX)
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5	Which protocol is used by the Ping command to send echo request packets between hosts in a network
	(1) Internet Protocol (IP)
	(2) Internet Group Management Protocol (IGMP)
	(3) Internet Control Message Protocol (ICMP)
	(4) Explicit Congestion Notification (ECN)
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6	What is the abbreviation of IGP
	(1) Internet Gateway Protocol
	(2) Interior Gateway Protocol
	(3) Intranet Gateway Protocol
	(4) International Gateway Protocol
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7	What is the maximum length of the header in the TCP segment and IP datagram
	(1) 20 bytes
	(2) 36 bytes
	(3) 60 bytes
	(4) 64 bytes
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8	In which layer of the OSI model framing of data packets takes   place
	(1) Presentation layer
	(2) Data link layer
	(3) Network layer
	(4) Transport layer
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9	What is the abbreviation of TDM
	(1) Table Division Multiplexing
	(2) Time Divider Multiplyer
	(3) Time Division Multiplexing
	(4) None of the above
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10	Which of the following device is used for controlling network security and access rules
	(1) Modem
	(2) Switch
	(3) Routers
	(4) Firewalls
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Answer:

1	3	6	2
2	3	7	3
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3	1	8	2
4	2	9	3
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5	3	10	4