IST 201 IPv6

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Examine the following IPv6 address: 2000:1111:aaaa:0:50a5:8a35:a5bb:66e1 /64 What is the subnet ID (also called subnet prefix)?

0000

Examine the following IPv6 address: 2000:1111:aaaa:0:50a5:8a35:a5bb:66e1 /64 What is the Regional Internet Registry (RIR) Prefix ?

0:11

Examine the following IPv6 address: 2000:1111:aaaa:0:50a5:8a35:a5bb:66e1 /64 What is the Internet service provider (ISP) Prefix ?

11

IPv6 addresses are ___________ bytes in length and written as a string of hexadecimal values.

16

Examine the following IPv6 address: 2000:1111:aaaa:0:50a5:8a35:a5bb:66e1 /64 What is the interface ID?

50a5:8a35:a5bb:66e1

Deployment of IPv4 and IPv6 on the same router is known as:

Dual stack model

Which IPv6 address is most compressed for the full FE80:0:0:0:2AA:FF:FE9A:4CA3 address?

FE80::2AA:FF:FE9A:4CA3

Expand the following IPv6 address to it's longest PROPER format: FF00::

FF00:0000:0000:0000:0000:0000:0000:0000

If a link-local address is not configured manually on an interface, the device will need to communicate with a DHCP server.

False

Match the following IPv6 addresses to their corresponding address type. 2001:0DB8:1:ACAD::FE55:6789:B210

Global unicast address

IPv6 does not have a broadcast address.

true

__________________ is a method of transporting an IPv6 packet over an IPv4 network

Tunneling

Match the following IPv6 addresses to their corresponding address type. FC00:22:A:2::CD4:23E4:76FA

Unique-local address

In IPv6, a ___________ is a term used to refer to a segment of 16 bits or four hexadecimal values.

hextet

Traceroute makes use of a function of the TTL field in IPv4 and the __________ field in IPv6 in the Layer 3 headers, along with the ICMP time exceeded message.

hop limit

An router becomes a member the All-routers multicast group when it is enabled as an IPv6 router with the ______________ global configuration command.

ipv6 unicast-routing

IPv6 global unicast address can be subnetted.

true

IPv6-enabled hosts create an IPv6 link-local address even if the device has not been assigned a global unicast IPv6 address.

true

Packets with a source or destination link-local address cannot be routed beyond the link from which the packet originated.

true

When a host needs to find the MAC address of a destination host, the IPv6 host device will send a neighbor solicitation (NS) message to the solicited node multicast address.

true

With IPv6 bits can be borrowed from the interface ID to create additional IPv6 subnets.

true

Examine the following IPv6 address: 2000:1111:aaaa:0:50a5:8a35:a5bb:66e1 /64 What is the IANA Global Routing Number ?

200

Examine the following IPv6 address: 2000:1111:aaaa:0:50a5:8a35:a5bb:66e1 /64 What is the global prefix ? (remember the global prefix does include the first 32 bits)

2000:1111

Compress the following IPv6 address to it's shortest PROPER format: 2001:0030:0001:ACAD:0000:330E:10C2:32BF

2001:30:1:acad::330e:10c2:32bf

Compress the following IPv6 address to it's shortest PROPER format: 2002:0EC0:0200:0001:0000:04EB:44CE:08A2

2002:EC0:200:1::4EB:44CE:8A2

What is the decimal equivalent of the hex number 0xF3? (enter number)

243

Which IPv6 address is most compressed for the full 2E21:0000:0000:0000:0011:0002:00C3:00A4 address?

2E21::11:2:C3:A4

Preferred format means the IPv6 address is written using all _______ hexadecimal digits.

32

What must your computer have to access the IPv6 Internet?

A global unicast address

List and describe the three parts of an IPv6 global unicast address:

Global Routing Prefix The global routing prefix is the prefix, or network, portion of the address that is assigned by the provider, such as an ISP, to a customer or site. Typically, RIRs assign a /48 global routing prefix to customers. This can include everyone from enterprise business networks to individual households. Subnet ID The Subnet ID is used by an organization to identify subnets within its site. The larger the subnet ID, the more subnets available. Interface ID The IPv6 Interface ID is equivalent to the host portion of an IPv4 address. The term Interface ID is used because a single host may have multiple interfaces, each having one or more IPv6 addresses. It is highly recommended that in most cases /64 subnets should be used.

Match the following IPv6 addresses to their corresponding address type. 2033:DB8:1:1:22:A33D:259A:21FE

Global unicast address

Match the following IPv6 addresses to their corresponding address type. FE80::3201:CC01:65B1

Link-local address

Match the following IPv6 addresses to their corresponding address type. ::1

Loopback address

Match the following IPv6 addresses to their corresponding address type. FF00::DB7:4322:A231:67C

Multicast address

Match the following IPv6 addresses to their corresponding address type. FF02::2

Multicast address

_______________________________________ allows IPv6-enabled devices to communicate with IPv4-enabled devices using a translation technique similar to NAT for IPv4.

Network Address Translation 64

In base ten, there are ten digits. How many are there in hexadecimal?

Sixteen

List the two ways in which a device can obtain an IPv6 global unicast address automatically?

Stateless Address Autoconfiguration (SLAAC) Stateful DHCPv6

An IPv6 link-local address is never subnetted because it exists only on the local link.

True

Examine the following IPv6 address: 2000:1111:aaaa:0:50a5:8a35:a5bb:66e1 /64 What is the Site Prefix or Site Level Aggregator (SLA) ?

aaaa

Most IPv6 configuration and verification commands in the Cisco IOS are similar to their IPv4 counterparts. In many cases, the only difference is the use of ipv6 in place of ip within the commands.

false

Ping is a testing utility that uses DNS echo request and echo reply messages to test connectivity between hosts. Ping works with both IPv4 and IPv6 hosts

false

Compress the following IPv6 address to it's shortest PROPER format: FE80:0000:0000:0001:0000:60BB:008E:7402

fe80::1:0:60bb:8e:7402

Typically, it is the ________________ IPv6 address of the router that is used as the default gateway for other devices on the link

link-local

FF02::1 is the all-__________ multicast group within the scope of the local link.

nodes

The ___________ length is used to indicate the network portion of an IPv6 address.

prefix

The __________ ID section of the IPv6 global unicast address can be used by an organization to create internal subnets.

subnet

In IPv6, _______ address uniquely identifies an interface on an IPv6-enabled device.

unicast


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