Cnt 125 ch 8

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in a subnet mask indicates the network and subnet portion of the address

"1" Bits

Class B network that has no subnetting would have a default CIDR notation of _____.

/16

A Class C network that has no subnetting would have a default CIDR notation of _____.

/24

A Class A network that has no subnetting would have a default CIDR notation of _____.

/8

in a subnet mask indicates the host portion of the address

0" Bits

Select the correct Network Number or Network ID of the following IPv4 Address: 105.15.32.12 /8

105.0.0.0

An IPv6 address is a___bit number that is usually written as a hexadecimal number (32 hexadecimal digits

128

Select the correct Network Number or Network ID of the following IPv4 Address: 132.16.25.92 /16

132.16.0.0

If you were viewing the following IP Address and Subnet Mask: 205.55.92.72 / 28 How many Usable Hosts per Subnet are being created in this network.

14

150.50.32.12 / 20 How many Subnets are being created in this network.

16

If you were viewing the following IP Address and Subnet Mask: 205.55.92.72 / 28 How many Subnets are being created in this network

16

Select from the options shown below the number of bits that are available for the Host Portion of a Class B Address.

16

Select from the options shown below the number of bits used to represent the Network Portion of a Class B Address

16

If you were viewing the following IP Address and Subnet Mask: 150.50.32.12 / 18 How many Usable Hosts per Subnet are being created in this network.

16,382

Select the correct Network Number or Network ID of the following IPv4 Address: 195.168.32.12 /24

195.168.32.0

As you have learned, a subnet groups IP addresses so that clients on a large network can be logically organized into smaller networks. This is often accomplished with adding routers (or layer 3 switches) to the network or by using multiple ports on a single router (or layer 3 switch). By contrast, a VLAN groups ports on a layer ____ switch so that some of the local traffic on the switch is forced to go through a router. Therefore, VLANs are considered a Layer ____ solution for segmenting a network

2

2000:FE10:1:A:002:50FF:FE2B:E708 site prefix ... or ... global routing prefix

2000:FE10:1:A:

Select from the options shown below the number of bits that are available for the Host Portion of a Class A Address.

24

Select from the options shown below the number of bits used to represent the Network Portion of a Class C Address.

24

If you were viewing the following IP Address and Subnet Mask: 205.55.92.72 / 27 How many Usable Hosts per Subnet are being created in this network.

30

An IPv4 address is a___bit number that is usually written as a dotted decimal number.

32

If you were viewing the following IP Address and Subnet Mask: 205.55.92.72 / 29 How many Subnets are being created in this network.

32

If you were viewing the following IP Address and Subnet Mask: 150.50.32.12 / 18 How many Subnets are being created in this network.

4

If you were viewing the following IP Address and Subnet Mask: 150.50.32.12 / 20 How many Usable Hosts per Subnet are being created in this network.

4094

If you were viewing the following IP Address and Subnet Mask: 205.55.92.72 / 26 How many Usable Hosts per Subnet are being created in this network.

62

If you were viewing the following IP Address and Subnet Mask: 150.50.32.12 / 19 How many Subnets are being created in this network.

8

If you were viewing the following IP Address and Subnet Mask: 205.55.92.72 / 27 How many Subnets are being created in this network.

8

Select from the options shown below the number of bits that are available for the Host Portion of a Class C Address.

8

Select from the options shown below the number of bits used to represent the Network Portion of a Class A Address.

8

If you were viewing the following IP Address and Subnet Mask: 150.50.32.12 / 19 How many Usable Hosts per Subnet are being created in this network.

8190

2000:FE10:1:A:002:50FF:FE2B:E708 interface ID

:002:50FF:FE2B:E708

To calculate a host's network ID given its IPv4 Addresses and subnet mask, you follow a logical process of combining bits known as _________. "1" and "1" = "1" "1" and "0" = "0" "0" and "0" = "0"

ANDing

169.254.100.100

Automatic Private IP Addressing (APIPA)

management VLAN

Can be used to provide administrative access to a switch.

data VLAN

Carries user-generated traffic, such as email, web browsing, or database updates.

113.52.172.98

Class A

132.152.12.8

Class B

201.15.182.62

Class C

224.0.0.1

Class D

trunk port

Connects the switch to a router or another switch. This interface manages traffic from multiple VLANs.

access port

Connects the switch to an endpoint, such as a workstation

IPv6 Addresses use the same Class designations (Class A, B, C) that IPv4 Addresses use.

False

2000:: /3

Global unicast

The VLAN identifier is specified in the ________ standard, which is the IEEE standard that defines how VLAN information appears in frames and how switches interpret that information. This is also referred to as VLAN Tagging or Frame Tagging.

IEEE 802.1Q

Recall that an IPv4 Address has 32 bits and is divided into 2 parts. Using the graphic shown below, identify the 2 portions of an IPv4 Address and match those to the correct name for that portion of the IPv4 address. Network Portion Host Portion

Left Portion Right Portion

FE80:: /64

Link Local unicast

127.0.0.1

Loopback Address

FF00:: /8

Multicast

10.80.90.1

Private or Reserved IP Address

172.16.54.1

Private or Reserved IP Address

native VLAN

Receives all untagged frames from untagged ports

A device uses a _______________ to determine which subnet or network it belongs to.

Subnet mask

is a smaller network within a larger network. A _______ is a logically visible subdivision of an IP network that is usually created for performance or security reasons and is usually implemented by a router (or other Layer 3 device).

Subnet/subnetwork

voice VLAN

Supports VoIP traffic, which requires high bandwidths, priority over other traffic, flexible routing, and minimized latency.

Each VLAN and subnet combination acts as a single broadcast domain. Although it is possible to do otherwise, network administrators find life much easier when they adhere to the following rule: 1 Broadcast Domain = 1 VLAN = 1 Subnet

True

In most situations, each VLAN is assigned its own subnet of IP addresses. This means that the subnet, working at Layer 3, includes the same group of hosts as the VLAN, working at Layer 2.

True

default VLAN

Typically preconfigured on a switch and initially includes all the switch's ports cannot be renamed or deleted

FC00:: /7

Unique local unicast

A __________ groups ports on a layer 2 switch so that some of the local traffic on the switch is forced to go through a router.

VLAN

________________ allows subnets to be further divided into smaller and smaller groupings until each subnet is about the same size as the necessary IP address space. This is often referred to as "Subnetting a Subnet".

VLSM

______ allows changes to a VLAN database on one switch, called the stack master, to be communicated to all other switches in the network. This provides network administrators with the ability to centrally manage all VLANs by making changes to a single switch.

VTP

Traditional subnetting reduces the waste of IP addresses, but results in multiple subnets that are ________________.

all the same size

Routers ________ broadcast traffic.

don't pass

A network administrator might segment a network into smaller networks for specific reasons. Select all of the following reasons a network administrator might segment a network into smaller networks.

enhance security improve performance simplify troubleshooting

Traffic between hosts on VLAN 1 and VLAN 2 must go through the router, which is called __________________ to be able to communicate. This simple VLAN configuration, where one router connects to a switch that supports multiple VLANs, is sometimes called an ROAS ("router-on-a-stick").

inter-VLAN routing

physical devices

layer 1

VLANs

layer 2

subnetting

layer 3

____________ switches, on the other hand, can be configured via a command-line interface or a web-based management GUI, and sometimes can be configured in groups. Usually, they are also assigned IP addresses for the purpose of continued management. VLANs can only be implemented through ___________ switches, whose ports can be partitioned into groups.

managed

The ______________ command is used to list the current VLANs recognized by a switch.

show vlan

2000:FE10:1:A:002:50FF:FE2B:E708 /64 ... what is the correct name for the " /64 " portion of the address?

site prefix -or- prefix mask

To identify the transmissions that belong to each VLAN, the switch adds a ______ to Ethernet frames that identifies the port through which they arrive at the switch.

tag (frame tag or VLAN tag)

A single switch can support traffic belonging to several VLANs across the network, thanks to the technique known as__________.

trunking

An _______________ switch provides plug-and-play simplicity with minimal configuration options and has no IP address assigned to it. ___________ switches are not very expensive, but their capabilities are limited and they cannot support VLANs.

unmanaged


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