200-301 Question #773: Real Exam Question with Answer & Explanation

The correct answer is A: inter-VLAN routing using a Layer 3 switch. Inter-VLAN routing, typically performed by a Layer 3 switch or a router, enables communication between devices on different Virtual Local Area Networks (VLANs).

Submitted by chiamaka_o· Mar 5, 2026IP Connectivity

Question

Which technology can enable multiple VLANs to communicate with one another?

Options

Ainter-VLAN routing using a Layer 3 switch
Binter-VLAN routing using a Layer 2 switch
Cintra-VLAN routing using router on a stick
Dintra-VLAN routing using a Layer 3 switch

Explanation

Inter-VLAN routing, typically performed by a Layer 3 switch or a router, enables communication between devices on different Virtual Local Area Networks (VLANs).

Common mistakes.

B. A Layer 2 switch operates at the data link layer and cannot perform routing between different IP subnets (VLANs).
C. "Intra-VLAN routing" is a misnomer; routing happens between VLANs (inter-VLAN). "Router on a stick" is a method of inter-VLAN routing using a router, but the term "intra-VLAN" is incorrect.
D. "Intra-VLAN routing" is a misnomer; routing happens between VLANs (inter-VLAN).

Concept tested. Inter-VLAN routing methods

Reference. https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750/software/release/12_2_25_se/configuration/guide/scg/swvlan.html

Topics

#VLANs#Inter-VLAN routing#Layer 3 switch

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