WHY DO YOU NEED TO GET HELP FORM PREPPDF RUCKUS RCNI EXAM QUESTIONS?

Why do you need to get help form PrepPDF RUCKUS RCNI Exam Questions?

Why do you need to get help form PrepPDF RUCKUS RCNI Exam Questions?

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RUCKUS Certified Networking Implementer Sample Questions (Q14-Q19):

NEW QUESTION # 14
In a core/edge network topology, which ports should have Root Guard enabled?

  • A. route-only ports facing the WAN
  • B. edge ports facing the core
  • C. management ports at the core
  • D. core ports facing the edge

Answer: D

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 # 15
Which function is performed by ARP protocol?

  • A. discover directly connected neighbors
  • B. resolve IP address to MAC address
  • C. build and maintain switch MAC tables
  • D. resolve host name

Answer: B

Explanation:
The Address Resolution Protocol (ARP) is a fundamental protocol used in IP networking to map a device's IP address to its corresponding Media Access Control (MAC) address. This mapping is essential for enabling communication within a local network segment.
How ARP Works:
* ARP Request:
* When a device (Host A) needs to communicate with another device (Host B) on the same local network, it checks its ARP cache to see if it already has Host B's MAC address corresponding to its IP address.
* If the MAC address is not in the cache, Host A broadcasts an ARP request packet to all devices on the local network. This packet includes Host B's IP address and requests the MAC address associated with that IP.
* ARP Reply:
* Upon receiving the ARP request, the device with the matching IP address (Host B) responds with an ARP reply. This reply is sent directly to Host A and contains Host B's MAC address.
* Updating ARP Cache:
* Host A receives the ARP reply and updates its ARP cache with the new IP-to-MAC address mapping. This cached information allows for efficient communication without the need for repeated ARP requests.
Key Functions of ARP:
* IP to MAC Address Resolution:
* ARP's primary function is to resolve IP addresses to MAC addresses, enabling devices to locate each other on the same local network segment.
* Facilitating Data Link Layer Communication:
* By providing the necessary MAC address, ARP allows data packets to be correctly addressed and transmitted over the network's data link layer.
Clarifications on Other Options:
* Option B: Discover directly connected neighbors
* This function is typically performed by protocols like the Neighbor Discovery Protocol (NDP) in IPv6 or by network discovery tools, not by ARP.
* Option C: Build and maintain switch MAC tables
* Switches build and maintain MAC address tables by observing the source MAC addresses of incoming frames, a process independent of ARP.
* Option D: Resolve host name
* Resolving hostnames to IP addresses is the function of the Domain Name System (DNS), not ARP.
References:
* Understanding ARP (Address Resolution Protocol)
* How ARP Works


NEW QUESTION # 16
Which command enables Open Shortest Path First (OSPF) globally?

  • A. router ospf
  • B. ip ospf area 0
  • C. area 0
  • D. ip ospf cost 100

Answer: A

Explanation:
To enable Open Shortest Path First (OSPF) globally on a RUCKUS ICX switch, the router ospf command is used. This command initiates OSPF routing processes, allowing the switch to participate in OSPF-based dynamic routing.
Steps to Enable OSPF Globally:
* Access Global Configuration Mode:
* Enter privileged EXEC mode and then global configuration mode:
enable
configure terminal
* Enable OSPF Routing:
* Activate the OSPF routing process:
router ospf
* Assign OSPF Parameters:
* Set the router ID (optional but recommended):
router-id <A.B.C.D>
* Specify OSPF areas and associate interfaces:
network <network-address> <wildcard-mask> area <area-id>
* Configure OSPF on Interfaces:
* Enter interface configuration mode for each interface participating in OSPF:
interface <interface-type> <interface-number>
ip ospf area <area-id>
* Save Configuration:
* Ensure the configuration persists after a reboot:
write memory
Example Configuration:
To configure OSPF with a router ID of 1.1.1.1 and include the network 192.168.1.0/24 in area 0:
configure terminal
router ospf
router-id 1.1.1.1
network 192.168.1.0 0.0.0.255 area 0
exit
interface ethernet 1/1/1
ip ospf area 0
exit
write memory
Considerations:
* Licensing: Ensure the switch has the appropriate Layer 3 license to support OSPF.
* Compatibility: Verify that the FastIron software version supports OSPF.
* Network Planning: Properly design OSPF areas and hierarchies to optimize routing efficiency.
References:
* Ruckus FastIron Layer 3 Routing Configuration Guide, 08.0.91
* Ruckus FastIron Command Reference Guide, 08.0.70


NEW QUESTION # 17
As an IP packet is routed across subnets, which value gets updated at each hop?

  • A. destination IP address
  • B. subnet mask
  • C. destination MAC address
  • D. source IP address

Answer: C


NEW QUESTION # 18
What is one advantage of the supportsave command versus the show tech-support command?

  • A. Uploads directly to RUCKUS support.
  • B. Allows the transfer of collected data to TFTP.
  • C. Uses fewer CPU cycles during execution.
  • D. Generates automatically after a system crash.

Answer: A


NEW QUESTION # 19
......

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