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Individuals who pass the RUCKUS Certified Networking Implementer certification exam demonstrate to their employers and clients that they have the knowledge and skills necessary to succeed in the industry. ITPassLeader is aware that preparing with outdated RCNI Study Material results in a loss of time and money.
NEW QUESTION # 30
By default, how often are VRRP-E hello messages sent from the master?
Answer: A
Explanation:
In Virtual Router Redundancy Protocol Extended (VRRP-E) configurations on RUCKUS ICX switches, the master router sends hello messages at regular intervals to indicate its active status. By default, these hello messages are sent every 1 second.
Key Points:
* Hello Interval: The frequency at which the master router sends hello messages to backup routers.
* Default Value: 1 second.
* Purpose: To inform backup routers of the master's presence and operational status. If backup routers do not receive hello messages within a specified dead interval, they assume the master is down and initiate a failover.
Configuration:
* Viewing Current Settings:
* To display the current VRRP-E configuration, including hello intervals:
sql
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show vrrp
* Modifying the Hello Interval:
* To change the hello interval, enter VRRP-E configuration mode for the specific virtual router instance and use the following command:
php
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vrrp <vrid> advertisement-interval <seconds>
* <vrid>: Virtual Router ID.
* <seconds>: Desired interval in seconds.
Example:
To set the hello interval to 2 seconds for VRID 1:
bash
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enable
configure terminal
interface ethernet 1/1/1
vrrp 1
advertisement-interval 2
exit
write memory
Considerations:
* Network Stability: Setting the hello interval too low can lead to unnecessary failovers due to transient network issues. Conversely, setting it too high can delay failover detection.
* Consistency: Ensure that all routers in the VRRP-E group have consistent hello and dead interval settings to prevent configuration mismatches.
References:
* Ruckus FastIron Layer 3 Routing Configuration Guide, 08.0.91
* Ruckus FastIron Command Reference Guide, 08.0.70
NEW QUESTION # 31
Which device will become the root in the Spanning Tree election process?
Answer: D
Explanation:
In the Spanning Tree Protocol (STP), the root bridge is the central reference point for all spanning tree calculations. The election of the root bridge is determined by the bridge ID (BID), which comprises two components:
* Bridge Priority:
* A configurable value ranging from 0 to 65,535, in increments of 4,096. The default priority is typically 32,768.
* MAC Address:
* The unique hardware address of the switch.
Root Bridge Election Process:
* Lowest Bridge ID Selection:
* STP elects the switch with the lowest bridge ID as the root bridge. The bridge ID is determined by combining the bridge priority and the MAC address.
* Priority Comparison:
* Switches first compare the bridge priority values. The switch with the lowest priority value is favored.
* MAC Address Comparison:
* If multiple switches share the same priority value, the switch with the lowest MAC address becomes the root bridge.
Example:
* Switch A:
* Priority: 32,768
* MAC Address: 00:1A:2B:3C:4D:5E
* Switch B:
* Priority: 32,768
* MAC Address: 00:1A:2B:3C:4D:5F
In this scenario, both switches have the same priority. Therefore, STP compares the MAC addresses, and Switch A, with the lower MAC address, is elected as the root bridge.
Key Points:
* Enabling root guard on a device does not influence its election as the root bridge; instead, it prevents designated ports from becoming root ports.
* The device with the lowest bridge ID (combination of priority and MAC address) is elected as the root bridge.
* A lower bridge priority value increases the likelihood of a switch becoming the root bridge.
References:
* Root Bridge Election in Spanning Tree Protocol
* Spanning Tree Protocol - Part 3: Bridge ID, Priority, System ID
Sources
NEW QUESTION # 32
In a core/edge network topology, which ports should have Root Guard enabled?
Answer: C
Explanation:
In a core/edge network topology, Root Guard is a Spanning Tree Protocol (STP) feature that prevents designated ports from becoming root ports. This ensures that the core switch remains the root bridge, maintaining a stable and predictable network topology.
Configuration Steps:
* Identify Core Ports Facing the Edge:
* Determine which ports on the core switch connect to edge switches.
* Enable Root Guard on These Ports:
* Access the core switch's configuration mode.
* For each identified port, apply the Root Guard configuration:
interface ethernet 1/1/1
spanning-tree root-guard
* Replace 1/1/1 with the actual port identifier.
Example Configuration:
arduinoICX(config)# interface ethernet 1/1/1
ICX(config-if-e1000-1/1/1)# spanning-tree root-guard
This configuration ensures that port 1/1/1 on the core switch will not accept superior BPDUs, preventing edge switches from becoming the root bridge.
NEW QUESTION # 33
When using zero-touch stacking, which two prerequisites must be in place to ensure all devices join the stack? (Choose two.)
Answer: A,E
NEW QUESTION # 34
Which method is required to install a feature license on an ICX running FastIron 08.0.95?
Answer: C
Explanation:
To install a feature license on a RUCKUS ICX switch running FastIron 08.0.95, follow these steps using the Command Line Interface (CLI):
* Obtain the License Key:
* Purchase the desired feature license from RUCKUS.
* Receive the license key, typically provided as a string of characters.
* Access the Switch CLI:
* Connect to the switch via console, SSH, or Telnet.
* Enter privileged EXEC mode:
enable
* Enter Global Configuration Mode:
* Access global configuration mode:
configure terminal
* Install the License Key:
* Enter the license key using the following command:
NEW QUESTION # 35
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