Ch. 9 Implementing Virtual LANs

Question 0

From one perspective a ____ includes all the user devices servers switches routers cables and wireless access points in one location

Answer 0

LAN

Question 1

_____ is a method to support multiple VLAMs allowing traffic from those VLAMs to cross a single link, either using the Cisco ISL protocol with IEEE 802.1 Q protocol

Answer 1

Trunking

Question 2

A _____ includes all devices in the same broadcast domain

Answer 2

LAN

Question 3

A _____ _____ includes a set of all LAN connected devices so that when any of the devices send a broadcast frame, all the other devices get a copy of the frame

Answer 3

Broadcast domain

Question 4

Without _____ a switch considers all it’s interfaces to be in the same broadcast them

Answer 4

VLAN

Question 5

With _____ a switch can configure some interfaces into one broadcast a main summits another creating multiple broadcast domains

Answer 5

VLANs

Question 6

Creating smaller ____ has a number benefits including reduce CPU overhead reduced security risks improve security for hosts more flexible design quicker problem-solving and reducing the workload for spamming tree protocol

Answer 6

VLANs

Question 7

When using VLANs in networks that have multiple interconnected switches, the switches need to use VLAN _______ on the links between the switches

Answer 7

Trunking

Question 8

VLAN trunking causes the switches to use a process called VLAN ______ by which the sending switch adds another Header to the frame before sending it over the trunk

Answer 8

Tagging

Question 9

VLAN ID

Answer 9

VLAN identifier

Question 10

The use of _____ allows switches to pass frames from multiple VLANs over a single physical connection by adding a small header to the ethernet frame

Answer 10

Trunking

Question 11

Cisco supported two different trunking protocols over the years ______ and ______

Answer 11

ISL (inter-switch link) and 802.1Q

Question 12

ISL

Answer 12

Inter-switch link

Question 13

Today the more popular trucking protocol is _____

Answer 13

802.1Q

Question 14

VTP

Answer 14

VLAN trunking protocol

Question 15

The rules for which switches can use extended range VLANs depends on the configuration of the ______

Answer 15

VTP (VLAN trunking protocol

Question 16

802.1Q defines one special VLAN ID on each trunk as the _______ which is defaulted When A side sees a frame with no header

Answer 16

Native

Question 17

The 802.1Q native VLAN provide some interesting functions, mainly to support connections to devices that do not understand

Answer 17

Trunking

Question 18

Some LAN switches forward data based on layer two logic, which go by the name _____ __ _____

Answer 18

Layer 2 switch

Question 19

Some switches can do functions like a router using additional logic defined by layer 3 protocols, these switches go by the name _____ _____ or layer 3 switch

Answer 19

Multilayer switch

Question 20

When including VLANs and I campus LAN design, the devices in a VLAN need to be in the same _____

Answer 20

Subnet

Question 21

layer 2 switches will not forward data between two

Answer 21

VLANs

Question 22

The job forwarding data into and out of a VLAN fall to a ______

Answer 22

Router

Question 23

Instead of switching layer 2 ethernet frames between two VLANs, the network must route layer ____ packets between two subnetwork

Answer 23

3

Question 24

PPS

Answer 24

Packets per second

Question 25

When the router has a single physical link connected to the LAN switch, this design is sometimes called ____-___-___-____

Answer 25

Router on a stick

Question 26

VTP

Answer 26

VLAN Trunking Protocol

Question 27

Each switch can use one of three ____ modes: server client or Transparent

Answer 27

VTP

Question 28

DTP

Answer 28

Dynamic trunking protocol

Question 29

Trunking administrative mode options _____ always act as an access (non-trunk) port

Answer 29

Access

Question 30

Trunking administrative mode options | ______ always act as a trunk port

Answer 30

Trunk

Question 31

Trunking administrative mode options ____ ____ initiates negotiation messages and responds to negotiation messages to dynamically choose whether to start using trunking

Answer 31

Dynamic desirable

Question 32

Trunking administrative mode option _____ ______ passively wait to receive trunk negotiation messages, At which point the switch will respond to negotiate whether to use trunking

Answer 32

Dynamic auto

Question 33

The _______ VLAN list feature provides a mechanism for engineers administratively disable a VLAN from a trunk

Answer 33

Allowed

Question 34

If a _____ does not know that a VLAN exists the switch will not forward frames in that VLAN over any interface

Answer 34

Switch

Question 35

A VLAN can exist in a ______ configuration, but also be administratively shut down

Answer 35

Switch's

Question 36

A _____ includes all devices in the same broadcast domain

Answer 36

LAN

Question 37

Without ______ a switch considers all it's interfaces to be in the same broadcast on

Answer 37

VLANs

Question 38

With _____ switch can configure some interfaces into one broadcast domain some into another creating multiple broadcast domains. These individual broadcast domains created by the switch are called_____

Answer 38

VLAN | VLAN

Question 39

Configuring ____ on a single switch requires very little effort: you simply configure each port to tell it the VLAN number to which the port belongs

Answer 39

VLAN

Question 40

When using VLANs in networks that have multiple interconnected switches, the switches must use VLAN _____ on the links between switch

Answer 40

Trunking

Question 41

VLAN trunking causes the switches to use a process called VLAN _____ by which the sending switch adds another header to the frame before sending it over the trunk

Answer 41

Tagging

Question 42

The extra trunk header includes a VLAN ____ field so that the sending switch can associate the frame with a particular VLAN and the receiving switch can then know what VLAN each frame belongs to

Answer 42

ID

Question 43

802.1Q defines one special VLAN ID on each trunk as the_____ VLAN (defaulting to VLAN1)

Answer 43

Native

Question 44

A switch that also does routing combines layer 2 and layer 3 protocols these switches are also known as _____

Answer 44

Multilayer switches

Question 45

To configure a new VLAN first use the____ vlan-id global configuration command to create the VLAN and move the user into VLAN configuration mode

Answer 45

Vlan

Question 46

Use the ____ Name VLAN subcommands to list a name for the VLAN

Answer 46

Name

Question 47

For each access interface follow these steps first use the _____ command to move into interface configuration mode for each desired interface

Answer 47

Interface

Question 48

Use the ____ _____ _____ ID number interface subcommand to specify the VLAN number associated with that interface

Answer 48

Switch port access vlan

Question 49

To disable trunking on that same interface, ensuring that the interface is an access interface use the ____ ____ ____ interface subcommand

Answer 49

Switchport mode access

Question 50

____ Is a Cisco proprietary tool on Cisco switches that advertises each VLAN configured in one switch so that all the other switches in the campus learn about the VLAN

Answer 50

VTP (VLAN trunking protocol)

Question 51

``` In a LAN to the following terms best equates to the term VLAN Collision domain Broadcast domain Subnet Single switch Trunk ```

Answer 51

Broadcast domain

Question 52

Imagine a switch with three configured VLANs, how many IP subnets are required assuming that all hosts and all VLANs want to use TCP/IP? 0 1 2 3 You can't tell from the information provided

Answer 52

3

Question 53

Switch SW1 send a frame to switch SW2 using 802.1Q trunking. Which of the answers describes how SW1 changes are adds to the ethernet frame before forwarding the frame to SW2 Insert a 4-byte header and does change the Mac address Inserts a 4-byte header and does not change the Mac address Encapsulates the original frame behind an entirely new ethernet Header None of the answers are correct

Answer 53

Inserts a 4-byte header is not change the Mac address

Question 54

For an 802.1Q trunk between two ethernet switches, which answer most accurately defines which frames do not include an 802.1Q header? Frames the native VLAN (only one) Frames in the extended VLANs Frames in VLAN 1 (not configurable) Frames and all native VLANs (multiple allowed)

Answer 54

Frames in the native VLAN (only one)

Question 55

``` Imagine that you are told that switch 1 is configured with the dynamic auto parameter for trucking on it's Fa0/5 interface, which is connected to switch 2. You have to configure switch 2. Which of the following settings for trunking could allow trunking to work (choose two) Trunking turned on Dynamic Auto Dynamic desirable Access None of the other answers are correct ```

Answer 55

Trucking turned on | Dynamic desirable

Question 56

A Switch has just arrived from Cisco. The switch has never been configured with any VLANs but VCP has been disabled. An Engineer gets into configuration mode and issues the vlan 22 command, followed the name Hannah's-VLAN command. Which of the following are true (choose two answers) VLAN is listed in the output of the show vlan brief command VLAN is listed in the output of the show running – config command VLAN 22 is not created by this process VLAN does not exist in that switch until at least one interface is assigned to that VLAN

Answer 56

VLAN 22 is listed in the output of the show vlan brief command VLAN 22 is listed in the output of the show running – config command

Question 57

``` Which of the following commands identify switch interfaces as being trunking interfaces: interfaces that currently operate as VLAN trunks? (Choose two answers) Show interfaces Show interfaces switchport Show interfaces trunk Show trunks ```

Answer 57

Show interfaces switchport | Show interfaces trunk