IT CertificationsAnswer Key

Jeremy'S It Lab Ccna 200 301 Course

33 community-sourced questions and answers. Free — no login.

Community-sourced. Answers may be wrong or out of date. Always verify with your official training portal before submitting. Not affiliated with any branch, agency, or vendor. Details.
QUESTION 1

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

ANSWER

VID

QUESTION 2

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

ANSWER

DEI

QUESTION 3

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

ANSWER

PCP

QUESTION 4

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

ANSWER

1 bit

QUESTION 5

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

ANSWER

3

QUESTION 6

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

ANSWER

16

QUESTION 7

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

ANSWER

0x8100

QUESTION 8

802.1Q tag: What does DEI stand for?

ANSWER

Drop Eligible Indicator

QUESTION 9

802.1Q tag: What does PCP stand for?

ANSWER

Priority Code Point

QUESTION 10

802.1Q tag: What does TPID stand for?

ANSWER

Tag Protocol Identifier

QUESTION 11

802.1Q tag: What does VID stand for?

ANSWER

VLAN ID

QUESTION 12

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

ANSWER

switchport trunk allowed vlan allowed-vlans

QUESTION 13

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

ANSWER

switchport trunk encapsulation encapsulation-type

QUESTION 14

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

ANSWER

switchport mode trunk

QUESTION 15

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

ANSWER

switchport trunk native vlan vlan-number

QUESTION 16

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

ANSWER

encapsulation dot1q vlan-number

QUESTION 17

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

ANSWER

show interfaces trunk

QUESTION 18

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

ANSWER

unused

QUESTION 19

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

ANSWER

subinterfaces

QUESTION 20

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

ANSWER

4

QUESTION 21

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

ANSWER

Source MAC Address

QUESTION 22

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

ANSWER

1

QUESTION 23

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

ANSWER

1006 to 4094

QUESTION 24

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

ANSWER

1 to 1005

QUESTION 25

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

ANSWER

1 to 4094

QUESTION 26

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

ANSWER

native

QUESTION 27

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

ANSWER

0 / 4095

QUESTION 28

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

ANSWER

Trunk

QUESTION 29

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

ANSWER

Access

QUESTION 30

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

ANSWER

trunk

QUESTION 31

What is a Cisco proprietary VLAN trunking protocol?

ANSWER

ISL (Inter-Switch Link)

QUESTION 32

What is an industry standard VLAN trunking protocol?

ANSWER

IEEE 802.1Q (dot1q)

QUESTION 33

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

ANSWER

native

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