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Questions and Answers
What is the main purpose of dividing IP addresses into classes?
What is the difference between Classful IP addressing and Classless IP addressing?
What is the binary representation of the IP address 10.32.10.1?
What is the difference between IP addresses and MAC addresses?
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In the binary representation of an IP address, how can you determine the network portion and the host portion?
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What is the purpose of using a subnet mask with an IP address?
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What is the purpose of a subnet mask?
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How many bits are in a subnet mask?
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What is the default subnet mask for a Class C network?
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How can you express a subnet mask in binary form?
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What is the purpose of subnetting?
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If a network has a subnet mask of 255.255.255.192, how many subnets and hosts are available?
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What is the purpose of the subnet mask in IPv4 addressing?
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In classful IPv4 addressing, how many network addresses are available for Class A?
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If a network has the IP address 192.168.10.0/24, how many subnets and hosts are available?
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What is the binary representation of the subnet mask 255.255.255.0?
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If a network has the IP address 10.0.0.0/8, what is the maximum number of subnets that can be created?
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In a subnet with the IP address 192.168.20.64/26, what is the range of valid host IP addresses?
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Study Notes
Classful IPv4 Addressing
- IP addresses are divided into classes to distinguish between the network and host portions.
- This leads to "Classful IP addressing", which is different from "Classless IP addressing".
IP Address Assignment
- An IP address in binary is divided into network and host portions, e.g., 00001010. 00100000. 00001001. 00000001.
- The same IP address in binary dotted decimal is 10. 32. 10. 1.
IP vs. MAC Addresses
- IP addresses define end devices, are used for end-to-end communication, and are 32-bit addresses divided into network and host portions.
- IP addresses are logical addresses that can be assigned and changed by administrators.
- MAC addresses define local devices, are used for node-to-node communication, and are 48-bit addresses divided into OUI and hardware serial number portions.
Subnetting
- The subnet mask determines the network and host fields of an IP address.
- A subnet mask is 32 bits long and has 4 octets, just like an IP address.
- Subnet masks can be assigned manually or automatically.
- Default subnet masks for Class A, B, and C addresses are: [no specific values provided]
Network Address Translation (NAT)
- NAT is a technology that provides mapping between private and universal addresses.
- NAT can be used by hosts that do not connect to the Internet.
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Description
Test your knowledge on Network Address Translation (NAT), a technology that provides mapping between private and universal addresses. This quiz covers the concepts and applications of NAT in computer networks.
