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1:	.The application layer of the OSI model covers which three layers ? network, transport, session application, session, presentation application, presentation, transport application, session, transport
2:	What is the starting bit pattern of a class C IP address? 01 011 10 110
3:	The maximum number of hosts in a class C network are: 128 256 254 1024
4:	A host on an IP network has an IP address 192.168.3.65 with a netmask 255.255.255.224. What is the broadcast address? 192.168.3.255 192.168.3.128 192.168.3.96 192.168.3.64
5:	Given a netmask of 255.255.255.240, how many hosts can be placed in the network? 14 16 240 256
6:	In an IP network, 18 bits are used in the network address. What is the value of the netmask? 255.255.192.0 255.255.252.0 255.255.0.0 255.255.255.192
7:	Address resolution protocol is used to: map IP addresses to MAC addresses map MAC addresses to IP addresses resolve host addresses resolve address conflicts
8:	Which statement is true with reference to an IP address and a socket address? The IP address is longer than the socket address. The socket address is longer than the IP address. The IP address is used in the transport layer. The socket address is used in the network layer.
9:	Which file on HP-UX contains standard port numbers assigned to different applications? /etc/ports /etc/services /etc/protocols /etc/inetd.conf

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