2. What is the maximum value of each octet in an IP address? A. 28 B. 255 C. 256 D. None of the above

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1 CCNA1 V3.0 Mod 10 (Ch 8) 1. How many bits are in an IP C What is the maximum value of each octet in an IP A C The network number plays what part in an IP A. It specifies the network to which the host belongs. B. It specifies the identity of the computer on the network. C. It specifies which node on the subnetwork is being addressed. D. It specifies which networks the device can communicate with. 4. The host number plays what part in an IP A. It designates the identity of the computer on the network. B. It designates which node on the subnetwork is being addressed. C. It designates the network to which the host belongs. D. It designates which hosts the device can communicate with. 5. What is the decimal equivalent of the binary number ? A. 32 B. 35 C. 45 D Convert the decimal number to its binary form. A B C D Convert the binary IP address to its decimal form. A B C What portion of the Class B address is the network A. 154 B C D

2 9. What portion of the IP address represents the network? A B. 129 C D Which of the following addresses is an example of a broadcast address on the network with a subnet mask of ? A B C D How many host addresses can be used in a Class C network? A C. 255 D How many subnets can a Class B network have? 56 C What is the minimum number of bits that can be borrowed to form a subnet? A. 1 C What is the primary reason for using subnets? A. To reduce the size of the collision domain B. To increase the number of host addresses C. To reduce the size of the broadcast domain 15. How many bits are in a subnet mask? C Performing the Boolean function as a router would on the IP addresses and , what is the network/subnetwork A B C

3 17. How many bits can be borrowed to create a subnet for a Class C network? A. 2 B. 4 C With a Class C address of and a subnet mask of , how many bits have been borrowed to create a subnet? A. 1 C Performing the Boolean function as a router would on the IP addresses and , what is the subnet A B C Which of the following best describes one function of Layer 3, the network layer, in the OSI model? A. It is responsible for reliable network communication between nodes. B. It is concerned with physical addressing and network topology. C. It determines which is the best path for traffic to take through the network. D. It manages data exchange between presentation layer entities. 21. What function allows routers to evaluate available routes to a destination and to establish the preferred handling of a packet? A. Data linkage B. Path determination C. SDLC interface protocol D. Frame Relay 22. How does the network layer forward packets from the source to the destination? A. By using an IP routing table B. By using ARP responses C. By referring to a name server D. By referring to the bridge 23. What are the two parts of a network layer address that routers use to forward traffic through a network? A. Network address and host address B. Network address and MAC address C. Host address and MAC address D. MAC address and subnet mask 3

4 Answers 1. How many bits are in an IP 2. What is the maximum value of each octet in an IP The network number plays what part in an IP A. It specifies the network to which the host belongs. 4. The host number plays what part in an IP B. It designates which node on the subnetwork is being addressed. 5. What is the decimal equivalent of the binary number ? C Convert the decimal number to its binary form. A Convert the binary IP address to its decimal form. 8. What portion of the Class B address is the network B What portion of the IP address represents the network? A Which of the following addresses is an example of a broadcast address on the network with a subnet mask of ? B How many host addresses can be used in a Class C network? How many subnets can a Class B network have? 13. What is the minimum number of bits that can be borrowed to form a subnet? 14. What is the primary reason for using subnets? C. To reduce the size of the broadcast domain 15. How many bits are in a subnet mask? 16. Performing the Boolean function as a router would on the IP addresses and , what is the network/subnetwork 4

5 17. How many bits can be borrowed to create a subnet for a Class C network? C With a Class C address of and a subnet mask of , how many bits have been borrowed to create a subnet? C Performing the Boolean function as a router would on the IP addresses and , what is the subnet C Which of the following best describes one function of Layer 3, the network layer, in the OSI model? C. It determines which is the best path for traffic to take through the network. 21. What function allows routers to evaluate available routes to a destination and to establish the preferred handling of a packet? B. Path determination 22. How does the network layer forward packets from the source to the destination? A. By using an IP routing table 23. What are the two parts of a network layer address that routers use to forward traffic through a network? A. Network address and host address 5

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