Day 16 Flashcards - VLANs

Question 1

A […] domain is the group of devices which will receive a frame with the destination MAC address FFFF.FFFF.FFFF.

Answer 1

broadcast

Question 2

An […] port is a switchport which belongs to a single VLAN, and usually connects to end hosts like PCs.

Answer 2

access

Question 3

Configure a switch interface to be an access port:
SW1(config-if)# […]

Answer 3

switchport mode access

Question 4

Configure the name of a VLAN:
SW1(config-vlan)# […]

Answer 4

name name

Question 5

Configure the VLAN of a switch access port:
SW1(config-if)# […]

Answer 5

switchport access vlan vlan-number

Question 6

Create a VLAN:
SW1(config)# […]

Answer 6

vlan vlan-number

Question 7

Switchports which carry multiple VLANs are called ‘[…] ports’.

Answer 7

trunk

Question 8

VLANs are used to split up […] domains.

Answer 8

broadcast

Question 9

VLANs operate at Layer […] of the OSI model.

Answer 9

2

Question 10

What are the 5 VLANs that exist by default on a Cisco switch?

Answer 10

1, 1002, 1003, 1004, 1005

Question 11

What VLAN are Cisco switch interfaces in by default?

Answer 11

VLAN1

Question 12

Will a Layer 2 switch forward traffic between VLANs? (inter-VLAN routing)

Answer 12

no

Question 13

802.1Q tag: The […] field identifies the VLAN the frame belongs to.

Answer 13

VID

Question 14

802.1Q tag: The […] field indicates that a frame can be dropped if the network is congested.

Answer 14

DEI

Question 15

802.1Q tag: The […] field is use for Class of Service.

Answer 15

PCP

Question 16

802.1Q tag: The DEI field is […] in length.

Answer 16

1 bit

Question 17

802.1Q tag: The PCP field is […] bits in length.

Answer 17

3

Question 18

802.1Q tag: The TPID field is […] bits in length.

Answer 18

16

Question 19

802.1Q tag: The TPID field is alway set to a value of […]

Answer 19

0x8100

Question 20

802.1Q tag: What does DEI stand for?

Answer 20

Drop Eligible Indicator

Question 21

802.1Q tag: What does PCP stand for?

Answer 21

Priority Code Point

Question 22

802.1Q tag: What does TPID stand for?

Answer 22

Tag Protocol Identifier

Question 23

802.1Q tag: What does VID stand for?

Answer 23

VLAN ID

Question 24

Configure the allowed VLANs on a trunk port:
SW1(config-if)# […]

Answer 24

switchport trunk allowed vlan allowed-vlans

Question 25

Configure the encapsulation type on a trunk port: SW1(config-if)# [...]

Answer 25

switchport trunk encapsulation encapsulation-type

Question 26

Configure the interface as a trunk port: SW1(config-if)# [...]

Answer 26

switchport mode trunk

Question 27

Configure the native VLAN on a trunk port: SW1(config-if)# [...]

Answer 27

switchport trunk native vlan vlan-number

Question 28

Configure the VLAN number on a router subinterface: R1(config-subif)# [...]

Answer 28

encapsulation dot1q vlan-number

Question 29

Display all trunk ports on the switch: SW1# [...]

Answer 29

show interfaces trunk

Question 30

For security purposes, it is best to change the native VLAN to an [...] VLAN.

Answer 30

unused

Question 31

ROAS involves configuring VLAN tags and IP addresses on router [...].

Answer 31

subinterfaces

Question 32

The 802.1Q tag is [...] bytes in length.

Answer 32

4

Question 33

The 802.1Q tag is inserted after the [...] field of the Ethernet header.

Answer 33

Source MAC Address

Question 34

The default native VLAN is VLAN [...] on all trunk ports.

Answer 34

1

Question 35

The Extended VLAN range is [...] to [...]

Answer 35

1006 to 4094

Question 36

The Normal VLAN range is [...] to [...]

Answer 36

1 to 1005

Question 37

The range of usable VLANs is [...] to [...]

Answer 37

1 to 4094

Question 38

The switch does not add an 802.1Q tag to frames in the [...] VLAN over a trunk link.

Answer 38

native

Question 39

VLANs [...] and [...] are reserved and cannot be used.

Answer 39

0 / 4095

Question 40

VLANs: [...] ports are known as 'tagged' ports.

Answer 40

Trunk

Question 41

VLANs: [...] ports are known as 'untagged' ports.

Answer 41

Access

Question 42

VLANs: Switches will tag frames sent out of [...] ports with a VLAN number.

Answer 42

trunk

Question 43

What is a Cisco proprietary VLAN trunking protocol?

Answer 43

ISL (Inter-Switch Link)

Question 44

What is an industry standard VLAN trunking protocol?

Answer 44

IEEE 802.1Q (dot1q)

Question 45

When a switch receives an untagged frame on a trunk port, it assumes the frame belongs to the [...] VLAN.

Answer 45

native

Question 46

An [...] is a virtual interface you can assign an IP address to on a multilayer switch.

Answer 46

SVI

Question 47

Configure a switch interface as a routed port: SW1(config-if)# [...]

Answer 47

no switchport

Question 48

Configure the native VLAN on a router subinterface: R1(config-subif)# [...]

Answer 48

encapsulation dot1q vlan-id native

Question 49

Enable Layer 3 routing on a multilayer switch: SW1(config)# [...]

Answer 49

ip routing

Question 50

Reset an interface to its default configuration: R1(config)# [...]

Answer 50

default interface interface

Question 51

SVIs are [shutdown/no shutdown] by default.

Answer 51

shutdown

Question 52

What does SVI stand for?

Answer 52

Switch Virtual Interface

Question 53

What is another name for a 'Layer 3 switch'?

Answer 53

multilayer switch

Question 54

What is another name for a 'multilayer switch'?

Answer 54

Layer 3