1) Which of the following is an example of a Class A subnet mask? a) 255.0.0.0 b) 255.255.0.0 c) 255.255.255. d) 255.255.255.255 2) In which of the following IP address classes does 192.168.1.105 belong to? a) Class A b) Class B c) Class C d) Class D 3) Which of the following is a number used to identify a device on a network? a) Default gateway b) DNS Server c) IP address d) Subnet mask 4) What command is used to test the ability of the source computer to reach a specified destination computer? a) Ipconfig b) Msconfig c) Regedit d) Ping 5) Which of the following the node in a computer network using the internet protocol suite that serves as the forwarding host (router) to other networks? a) Default gateway b) DNS Server c) IP address d) Subnet mask 6) Which two components are configured via software in order for a PC to participate in a network environment? a) MAC address and IP address b) shell and subnet mask c) IP address and kernel d) IP address and subnet mask 7) Which of the following IP addresses is public? a) 10.1.1.1 b) 128.107.0.7 c) 172.16.4.4 d) 192.168.5.5 8) Which of the following class of IP provides a maximum of only 254 host addresses per network ID? a) Class A b) Class B c) Class C d) Class D 9) There is _____ Classes of IP address version 4 a) 5 b) 4 c) 3 d) 2 10) What range of addresses can be used in the first octet of a Class C address? a) 129-192 b) 192-223 c) 1-127 d) 204-223 11) Which of the following is the INCORRECT IP address? a) 213.231.56.4 b) 176.9.59.4 c) 253.251.256.0 d) 188.40.139.40 12) The IP 123.213.321.1 belongs to what class? a) a. Class A b) Class B c) Class C d) None of these 13) To which IP Class does 236.128.192.142 belong? a) Class A b) Class B c) Class C d) Class D 14) Which option shows the proper notation for an IPv6 address? a) 2001,0db8,3c55,0015,abcd,ff13 b) 2001-0db8-3c55-0015-abcd-ff13 c) 2001.0db8.3c55.0015.abcd.ff13 d) 2001:0db8:3c55:0015::abcd:ff13 15) Which device should be used for enabling a host to communicate with another host on a different network? a) switch b) hub c) router d) host

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