802.1Q Protocol Quiz (Online) - Networkwalks Academy

IEEE 802.1Q (sometimes referred to as 1Q or DOT1Q) is an industry standard based implementation of carrying traffic for multiple VLANs on a single trunking interface between two Ethernet switches like Cisco or Huawei switches

Which type of VLAN is used to designate which traffic is untagged when crossing a trunk port?

Management

Native

Data

Default

A high school uses VLAN15 for the laboratory network and VLAN30 for the faculty network. What is required to enable communication between these two VLANs while using the RoaS (Router-on-a-Stick) approach?

A router with at least two LAN interfaces is needed

A switch with a port that is configured as a trunk is needed when connecting to the router

Two groups of switches are needed, each with ports that are configured for one VLAN

A multilayer switch is needed

On a Cisco Switch, what must the network administrator do to remove a Fast Ethernet port from VLAN 2 and assign it to VLAN 3?

Enter the no shutdown command in interface configuration mode to return it to the default configuration and then configure the port for VLAN 3

Enter the no vlan 2 and vlan 3 commands in global configuration mode

Enter the switchport trunk native vlan 3 command in interface configuration mode

Enter the switchport access vlan 3 command in interface configuration mode

When a Cisco switch receives untagged frames on a 802.1Q trunk port, which VLAN ID is the traffic switched to by default?

Data VLAN ID

Management VLAN ID

Unused VLAN ID

Native VLAN ID

A network administrator is determining the best placement of VLAN trunk links. Which two types of point-to-point connections utilize VLAN trunking?

Between two switches that utilize multiple VLANs which do not have any common vlan

Between a switch and a server that has an 802.1Q NIC

Between a switch and a client PC

Between a switch and a network printer

What is a characteristic of legacy inter-VLAN routing

The user VLAN must be the same ID number as the management VLAN

Only one VLAN can be used in the topology

The Router requires one Ethernet link for each VLAN

Inter-VLAN routing must be performed on a switch instead of a router

Which characteristic matches extended range VLANs?

VLAN IDs exist between 1006 to 4094 & they are saved in the running-config file by default

VLANs are initialized from flash memory & they are commonly used in small networks

CDP can be used to learn and store these VLANs

VLANs are initialized from flash memory & they are commonly used in small networks

What is a disadvantage of using RoaS (Router-on-a-Stick) inter-VLAN Routing?

Does not support VLAN-tagged packets

Requires the use of multiple router interfaces configured to operate as access links

Does not scale well beyond 50 VLANs

Requires the use of more physical interfaces than legacy inter-VLAN routing

10.

Which command is used to remove only VLAN 20 from a Cisco Switch?

Delete vlan.dat

No vlan 20

Delete flash:vlan.dat

No switchport access vlan 20

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