LPIC-1 (102) IPv6 Address Types
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Questions and Answers

What determines the number of bits that make up the network portion in an IPv4 or IPv6 address?

  • The number of hosts on the network
  • The type of connectivity device used
  • The version of the IP protocol used
  • The prefix length (correct)

    • What is a characteristic of routable protocols such as IPv4 and IPv6?

  • They are not designed to control traffic flow
  • They are only used for Ethernet connections
  • They allow network designers to segment networks and manage traffic (correct)
  • They are not designed to provide redundancy

    • What is the purpose of the netmask in IPv4 and IPv6 addressing?

  • To determine the type of connectivity device used
  • To determine the network portion of an IP address (correct)
  • To determine the version of the IP protocol used
  • To determine the number of hosts on a network

    • What is a difference between IPv4/IPv6 and Ethernet?

    <p>IPv4/IPv6 are routable, while Ethernet is not</p> Signup and view all the answers

    What are the two sections of an IPv4 or IPv6 address?

    <p>Network and host portions</p> Signup and view all the answers

    Study Notes

    IPv6 Address Types

    • Three types of IPv6 addresses: Unicast, Multicast, and Anycast
    • Unicast: identifies a single network interface, divided into 64 bits for network and 64 bits for interface
    • Multicast: identifies a set of network interfaces, similar to broadcast but doesn't exist in IPv6
    • Anycast: identifies a set of interfaces, but packet is delivered to only one address in that set

    IPv6 vs IPv4

    • Same service ports and protocols (TCP, UDP), but different IP and port representation
    • IPv6: [IP address]:port, e.g., [2001:0db8:85a3:08d3:1319:8a2e:0370:7344]:443
    • IPv4: IP address:port, e.g., 200.216.10.15:443
    • No broadcast feature in IPv6, but similar result can be achieved with ff02::1
    • SLAAC (Stateless Address Autoconfiguration) allows IPv6 hosts to self-configure
    • TTL (Time to Live) field replaced with "Hop Limit" in IPv6 header
    • All IPv6 interfaces have a local link-local address, fe80::/10

    Internet Control Message Protocol (ICMP)

    • Network layer protocol in TCP/IP stack
    • Analyzes and controls network elements
    • Functions: traffic volume control, unreachable destination detection, route redirection, remote host status checking
    • Used by ping command

    IPv6 Characteristics

    • 128-bit address, divided into 8 groups of 16 bits, represented by hexadecimal values
    • Address representation: 2001:0db8:85a3:08d3:1319:8a2e:0370:7344
    • Address abbreviation rules:
      • Reducing strings from 0000 to 0
      • Omitting group strings with value 0, but only once in the address

    Routed Protocols

    • IPv4 and IPv6 are routed or routable protocols
    • Allow network designers to control traffic flow
    • Ethernet is not a routed protocol
    • Routable protocols enable network segmentation, redundancy, and traffic management

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    Related Documents

    LPI-Learning-Material-102-500-en-3.pdf

    Description

    Learn about the three types of IPv6 addresses: Unicast, Multicast, and Anycast. Understand how they identify network interfaces and are used in internet protocols.

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