Chapter 10: IPv6

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What protocol does IPv4 use to resolve the IPv4 address to the MAC address?

ARP

What was the original reason for developing IPv6?

running out of IPv4 addresses was imminent

How many bits does an IPv6 address contain?

128 bits

How many bits does an IPv4 address contain?

32 bits

This mechanism provides a means of communication across the IPv4 Internet and preserves the original IPv6 address of the device.

6to4

How are the 128 bits divided?

8 sets of 16 bits

The 24-bit manufacturer's ID and the 40-bit unique ID make up the last 64 bits of an IPv6 address. What is this known as?

EUI-64 Identifier

What protocol is designed to exchange messages between neighboring nodes on the same link?

ICMPv6

What protocol does IPv6 utilize that helps provide better security than IPv4?

IPSec

What are the two types of IP addressing schemes called?

IPv4 and IPv6

Which type of IP address allows for faster delivery of information?

IPv6

What does ICMPv6 stand for?

Internet Control Message Protocol Version 6

What are the two flags set on the computer to determine what that computer will get from the DHCP server?

M Flag and the O flag

Which flag determines if the address will be static or dynamic?

M flag

THe EUI-64 identifier serves the same function as the IPv4 ___ ____.

MAC address

Which flag determines if a computer will get other data from the DHCP server?

O flag

What addressing is used for topology discovery, gateway discovery, and group discovery?

Multicast address

What protocol does IPv6 use to resolve the IPv6 address to the MAC address?

Neighbor Discovery

What commands displays current TCP/IP and port statistics?

Netstat

What allows for automatic configuration of network devices and the discovery of router devices attached to the local area network?

Network discovery

Which lifetime is typically a day?

Preferred lifetime

What is defined as a protocol's ability to deliver certain packets in a timely fashion?

Quality of service

What IDs are used for local-use address to indicate which zone on a local area network a site-local address is used?

Zone IDs

What classification of address delivers packets to the nearest interface and is used mainly for supporting router functions?

anycast address

Name two of the advantages of IPv6.

better network traffic and better security

What type of address sends packets to all network addresses?

broadcast address

What is another name for IPv6?

classless IP addressing scheme

What layer of the OSI model does ND protocol reside?

data link layer

What is the public address used to identify the local network?

global address

What type of address can broadcast to all IPv6 addresses in the IPv6 portion of the local area network as well as to other global IPv6 addresses in the entire network as well as the LAN?

global unicast address

What are the three terms used to describe the scope of the network?

global, link local, and unique local

Why is IPv6 known as that?

it is not broken into classes (A, B, and C) like IPv4 is

What is a portion of the organization's network called that is broken into subnetworks?

link-local

What type of addresses are automatically assigned by the operating system and are required for the network discovery feature?

link-local unicast address

What type of addresses are used to communicate on the local area network and will not be forwarded by the router?

link-local unicast address

What type of address is the reserved IP address of the network interface card?

loopback address

What classification of address delivers packets to multiple addresses?

multicast address

What type of address sends packets to a specific set of addresses?

multicast address

Which command is used to send a packet from one host to another on a network and then echo a return reply?

ping

What is the portion of the address with a fixed value that informs network devices of what action to take?

prefix

What is the purpose of the ND protocol?

to discover neighboring devices automatically

What is IPSEC used for?

to encrypt and authenticate every packet sent

What are the three types of classifications for IPv6?

unicast ,multicast, and anycast

What classification of address delivers packets to a single network address?

unicast address

What type of address serves the same function as a site-local address and can represent an entire LAN or just a portion?

unicast address

In what type of network can a router forward packets to any portion of the organization's network but not outside the organization's network?

unique-local

What is the entire organization's network or a portion of it called?

unique-local

What type of address is used when the interface is checking for its own duplicate address during the initial connection to the network?

unspecified address

Which lifetime is typically a week?

valid lifetime

IPv6 has two lifetime values, what are they called?

valid lifetime and preferred lifetime


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