Questions and Answers
What is the valid range used for a Class C private IP address?
192.168.0.0 through 192.168.255.255
Name some benefits of IPv6 over IPv4.
More available addresses, simpler header, options for authentication, and other security.
What is the term for the autoconfiguration technology responsible for addresses that start with 169.254?
Automatic Private IP Addressing (APIPA)
What defines a unicast address?
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What defines a multicast address?
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What is the name for a 48-bit (6-byte) numerical address physically assigned to a network interface?
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What gives IPv6 the ability to reference more addresses than IPv4?
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What is the private address range for Class B networks?
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What is the Class C range of values for the first octet in decimal and in binary?
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What is the 127.0.0.1 address used for?
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Which type of packet is addressed and delivered to only a single interface regarding IPv6?
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Which type of address is used just like a regular public routable address in IPv4?
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Which type of address is not meant to be routed in IPv6?
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Which type of address is not meant to be routed to the internet but is still globally unique in IPv6?
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Which type of address is meant to be delivered to multiple interfaces in IPv6?
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Which type of address identifies multiple interfaces, but packets are delivered only to the first address it finds in IPv6?
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Which addressing type is also referred to as one-to-nearest?
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Study Notes
Class C Private IP Address
- The valid range for Class C private IP addresses is from 192.168.0.0 to 192.168.255.255.
Advantages of IPv6
- IPv6 offers more available addresses compared to IPv4.
- Features a simpler header structure.
- Includes options for authentication and improved security mechanisms.
Automatic Private IP Addressing (APIPA)
- APIPA assigns addresses starting with 169.254 when a DHCP server is unavailable.
- Enables communication between dynamic clients on the same network ID.
- No default gateway is issued, restricting internet access and limiting communication to clients connected after the DHCP server failure.
Unicast Address
- Defined as an IP address assigned exclusively to a single interface.
Multicast Address
- Involves packets delivered to all interfaces identified by the multicast address, operating on a one-to-many principle.
MAC Address
- Refers to a 48-bit physical address assigned to network interfaces, often called the hardware or burned-in address.
IPv6 Addressing Capability
- Utilizes 128-bit addresses, significantly exceeding IPv4's 32-bit addresses.
Class B Private IP Range
- The private address range for Class B networks is from 172.16.0.0 to 172.31.255.255.
Class C First Octet Range
- The Class C range of values is 192.0.0.0 to 223.255.255.255, represented in binary as 11000000.00000000.00000000.00000000 to 11011111.11111111.11111111.11111111.
Loopback Address
- The address 127.0.0.1 is used for loopback or diagnostic purposes.
IPv6 Unicast
- Refers to packets addressed and delivered to a single interface.
Global Unicast Address (GUA)
- Used similarly to a regular public routable address in IPv4, it allows global communication.
Link-Local Address
- Must be assigned to every interface in IPv6; used for communication within a subnetwork and not forwarded by routers. The prefix for these addresses is FE80::/10.
Unique Local Address (ULA)
- IPv6 addresses that are globally unique but not meant for routing on the Internet, analogous to the private IPv4 space.
IPv6 Multicast Address
- Specifically intended for delivery to multiple interfaces.
Anycast Address
- Identifies multiple interfaces but only delivers packets to the first address found, emphasizing delivery to the nearest interface.
Anycast Definition
- Known as one-to-nearest, it delivers messages to one out of a group of nodes, typically the closest one, using routing algorithms to determine the optimal recipient based on distance or cost metrics.
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Description
Review the essential concepts of IP addressing with these flashcards focused on Class C private IP addresses and the advantages of IPv6 over IPv4. These flashcards are designed to help you strengthen your understanding of networking fundamentals.
