Implementing and Operating Cisco Enterprise Network Core Technologies (ENCOR) — Question 458

In a Cisco SD-Access solution, which protocol is used by an extended node to connect to a single edge node?

Answer options

• A. VXLAN
• B. IS-IS
• C. 802.1Q
• D. CTS

Correct answer: C

Explanation

The correct answer is C, 802.1Q, which is a networking standard for VLAN tagging that allows extended nodes to connect to edge nodes in a Cisco SD-Access framework. Options A, B, and D serve different purposes; VXLAN is for overlay networking, IS-IS is a routing protocol, and CTS is related to security mechanisms, none of which are used specifically for this connection type.