H12-811_V1.0 · Question #903
Which of the following advantages is/are provided by inter-VLAN routing in one-arm routing mode?
The correct answer is B. Reduced number of links. In one-arm routing (or router-on-a-stick) mode, a single physical link (with sub-interfaces) can carry traffic between multiple VLANs, reducing the number of physical links required. This approach minimizes cabling and port usage while still enabling inter-VLAN communication…
Question
Which of the following advantages is/are provided by inter-VLAN routing in one-arm routing mode?
Options
- AReduced use of IP addresses
- BReduced number of links
- CReduced number of entries in the routing table
- DReduced number of devices
How the community answered
(22 responses)- A5% (1)
- B73% (16)
- C18% (4)
- D5% (1)
Explanation
In one-arm routing (or router-on-a-stick) mode, a single physical link (with sub-interfaces) can carry traffic between multiple VLANs, reducing the number of physical links required. This approach minimizes cabling and port usage while still enabling inter-VLAN communication. However, it does not inherently reduce IP address usage, routing table entries, or the number of devices required.
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