A switch receives an untagged frame on an access port in VLAN 10. The destination MAC is associated with a port on a trunk link. How will the switch forward the frame?

Drop the frame because it is untagged.

Add a VLAN 10 tag and forward the frame out the trunk port.

Forward the frame out the trunk port without adding a tag.

Flood the frame out all trunk ports.

A switch receives a frame on port ge-0/0/2 with source MAC 00:11:22:33:44:55. The MAC address table already has an entry for 00:11:22:33:44:55 associated with port ge-0/0/1. What action does the switch take regarding the MAC address table?

It drops the frame because the MAC is already known.

It keeps the existing entry for ge-0/0/1.

It updates the entry to associate the MAC with ge-0/0/2.

It deletes the entry and re-learns it on ge-0/0/2.

A switch receives a frame on an access port in VLAN 10. The destination MAC address is associated with a port in VLAN 20. What will the switch do with the frame?

Forward the frame out all ports in VLAN 20.

Drop the frame because the destination is in a different VLAN.

Flood the frame out all ports in VLAN 10.

Forward the frame to the port in VLAN 20.

A switch receives a tagged frame on a trunk port with VLAN ID 10. The destination MAC is associated with an access port in VLAN 10. How will the switch forward the frame?

Drop the frame because the destination is on an access port.

Forward the frame out the access port with the VLAN tag intact.

Remove the VLAN tag and forward the frame out the access port.

Flood the frame out all trunk ports in VLAN 10.

A network administrator is designing a network with multiple VLANs. The administrator wants to ensure that broadcast traffic from one VLAN does not reach hosts in another VLAN. What is the most effective way to achieve this?

Configure the switch as a router.

Use VLANs to segment broadcast domains.

Juniper NetworksCertified Specialist, Enterprise Routing and Switching (JNCIS-ENT)

Domain 1Objective 2

Frame Processing JN0-352 Practice Questions (Page 3)

Part of the Layer 2 Switching and VLANs domain, which makes up ~15% of our current practice bank. Juniper Networks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~5–9 in this domain), expect 1–1 from this objective — we provide 22 practice questions to prepare you well beyond it. (estimate)

22questions here

5free pages

7concepts

Questions 11–15

11application · medium
A switch receives an untagged frame on an access port in VLAN 10. The destination MAC is associated with a port on a trunk link. How will the switch forward the frame?
Select an answer first
12application · medium
A switch receives a frame on port ge-0/0/2 with source MAC 00:11:22:33:44:55. The MAC address table already has an entry for 00:11:22:33:44:55 associated with port ge-0/0/1. What action does the switch take regarding the MAC address table?
Select an answer first
13application · medium
A switch receives a frame on an access port in VLAN 10. The destination MAC address is associated with a port in VLAN 20. What will the switch do with the frame?
Select an answer first
14application · medium
A switch receives a tagged frame on a trunk port with VLAN ID 10. The destination MAC is associated with an access port in VLAN 10. How will the switch forward the frame?
Select an answer first
15expert · medium
A network administrator is designing a network with multiple VLANs. The administrator wants to ensure that broadcast traffic from one VLAN does not reach hosts in another VLAN. What is the most effective way to achieve this?
Select an answer first

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