Two switches are connected via a trunk link, but hosts in VLAN 10 on switch A cannot communicate with hosts in VLAN 10 on switch B. Which configuration mismatch is the most likely cause?

VLAN 10 is not allowed on the trunk interface on one switch

The access ports are in different VLANs on each switch

The switches have different hostnames

The trunk interface has an IP address configured

An administrator has configured inter-VLAN routing on a Juniper switch using IRB interfaces. Users report that they can ping devices in their own VLAN but not in other VLANs. The administrator checks the routing table and sees the IRB interfaces are up. What should the administrator verify next?

That the IRB interfaces are assigned to the correct VLANs.

That the switch has a default route to the internet.

That the VLANs are in the same subnet.

That the users have static IP addresses.

A host connected to an access port cannot communicate with other hosts in the same VLAN. The port is up. Which command would you use to verify the VLAN assigned to the access port?

show interfaces ge-0/0/1 extensive

An administrator is verifying VLAN configuration on a Juniper switch. The switch has VLAN 10 configured with interface ge-0/0/1 assigned to it. The administrator runs the command 'show vlans' and sees VLAN 10 listed, but the interface is not shown as a member. What is the most likely reason for this?

The VLAN ID is not within the allowed range.

The VLAN is not active on the switch.

The interface is configured as a trunk port.

The interface is operationally down.

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

Domain 1Objective 8

Configure, Monitor, or Troubleshoot VLANs and inter-VLAN Routing JN0-352 Practice Questions (Page 1)

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 19 practice questions to prepare you well beyond it. (estimate)

19questions here

4free pages

6concepts

Questions 1–5

1foundation · easy
You need to verify which interfaces are members of a specific VLAN on a Juniper switch. Which operational command displays this information?
Select an answer first
2foundation · easy
Two switches are connected via a trunk link, but hosts in VLAN 10 on switch A cannot communicate with hosts in VLAN 10 on switch B. Which configuration mismatch is the most likely cause?
Select an answer first
3application · medium
An administrator has configured inter-VLAN routing on a Juniper switch using IRB interfaces. Users report that they can ping devices in their own VLAN but not in other VLANs. The administrator checks the routing table and sees the IRB interfaces are up. What should the administrator verify next?
Select an answer first
4foundation · easy
A host connected to an access port cannot communicate with other hosts in the same VLAN. The port is up. Which command would you use to verify the VLAN assigned to the access port?
Select an answer first
5application · medium
An administrator is verifying VLAN configuration on a Juniper switch. The switch has VLAN 10 configured with interface ge-0/0/1 assigned to it. The administrator runs the command 'show vlans' and sees VLAN 10 listed, but the interface is not shown as a member. What is the most likely reason for this?
Select an answer first

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Configure, Monitor, or Troubleshoot VLANs and inter-VLAN Routing JN0-352 Practice Questions (Page 1)

Questions 1–5

You need to verify which interfaces are members of a specific VLAN on a Juniper switch. Which operational command displays this information?

Two switches are connected via a trunk link, but hosts in VLAN 10 on switch A cannot communicate with hosts in VLAN 10 on switch B. Which configuration mismatch is the most likely cause?

An administrator has configured inter-VLAN routing on a Juniper switch using IRB interfaces. Users report that they can ping devices in their own VLAN but not in other VLANs. The administrator checks the routing table and sees the IRB interfaces are up. What should the administrator verify next?

A host connected to an access port cannot communicate with other hosts in the same VLAN. The port is up. Which command would you use to verify the VLAN assigned to the access port?

Keep studying — Layer 2 Switching and VLANs