A switch port is configured as a trunk port with 'vlan members [10 20]'. A device connected to this port is sending untagged traffic. Which VLAN will the traffic be associated with?

The native VLAN (default VLAN 1).

Which issue is indicated by an interface showing 'up' but with a high number of input errors?

A duplex mismatch or faulty cable

The interface speed is set too low

The interface is not assigned to a VLAN

What is the default duplex mode for a Junos interface when auto-negotiation is enabled?

Auto-negotiation does not affect duplex

Which command is used to monitor interface status and traffic statistics in real time on a Junos device?

show interface statistics ge-0/0/1

traceoptions interface ge-0/0/1

A switch port connecting to a conference room is experiencing broadcast storms that affect the entire network. The administrator wants to limit the impact without disabling the port. Which configuration should be applied?

Configure the port as an access port in a separate VLAN.

Disable the port using 'disable'.

Enable storm control on the interface with a threshold.

Set the port to 'trunk' with no allowed VLANs.

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

Domain 1Objective 7

Configure, Monitor, or Troubleshoot Layer 2 Interfaces and Ports 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 22 practice questions to prepare you well beyond it. (estimate)

22questions here

5free pages

8concepts

Questions 1–5

1application · medium
A switch port is configured as a trunk port with 'vlan members [10 20]'. A device connected to this port is sending untagged traffic. Which VLAN will the traffic be associated with?
Select an answer first
2foundation · easy
Which issue is indicated by an interface showing 'up' but with a high number of input errors?
Select an answer first
3foundation · easy
What is the default duplex mode for a Junos interface when auto-negotiation is enabled?
Select an answer first
4foundation · easy
Which command is used to monitor interface status and traffic statistics in real time on a Junos device?
Select an answer first
5application · medium
A switch port connecting to a conference room is experiencing broadcast storms that affect the entire network. The administrator wants to limit the impact without disabling the port. Which configuration should be applied?
Select an answer first

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