Which Junos command is used to display detailed information about a specific interface, including errors and statistics?

show interfaces ge-0/0/1 extensive

show configuration interfaces ge-0/0/1

An administrator is troubleshooting a switch port that is up but not passing traffic. The 'show interfaces' output shows 'input errors' and 'output errors' increasing. The port is configured as an access port in VLAN 10. What is the most likely cause?

The connected device is sending tagged frames.

The VLAN 10 is not created on the switch.

The port is in STP blocking state.

What is the primary purpose of Spanning Tree Protocol (STP) on switch interfaces?

To prioritize traffic based on QoS

To prevent loops in a network with redundant paths

To increase bandwidth by combining links

To provide security by filtering traffic

A network engineer is troubleshooting a link between two switches. The link is up, but 'show interfaces' displays a high number of CRC errors on one side. The other side shows no errors. The cable is known to be good. What is the most likely cause?

STP is blocking the port on one side.

VLAN mismatch between the two switches.

Speed mismatch between the two switches.

Duplex mismatch between the two switches.

A switch port is configured with storm control to limit broadcast traffic to 10% of the link speed. The port is experiencing high broadcast traffic, and the storm control is dropping packets. However, the network is still experiencing performance issues. What is the most likely reason?

Storm control is only applied to broadcast traffic, not multicast or unknown unicast.

Storm control is not supported on this switch model.

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 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

8concepts

Questions 11–15

11foundation · easy
Which Junos command is used to display detailed information about a specific interface, including errors and statistics?
Select an answer first
12expert · hard
An administrator is troubleshooting a switch port that is up but not passing traffic. The 'show interfaces' output shows 'input errors' and 'output errors' increasing. The port is configured as an access port in VLAN 10. What is the most likely cause?
Select an answer first
13foundation · easy
What is the primary purpose of Spanning Tree Protocol (STP) on switch interfaces?
Select an answer first
14expert · hard
A network engineer is troubleshooting a link between two switches. The link is up, but 'show interfaces' displays a high number of CRC errors on one side. The other side shows no errors. The cable is known to be good. What is the most likely cause?
Select an answer first
15expert · hard
A switch port is configured with storm control to limit broadcast traffic to 10% of the link speed. The port is experiencing high broadcast traffic, and the storm control is dropping packets. However, the network is still experiencing performance issues. What is the most likely reason?
Select an answer first

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