Refer to the exhibit. Clients in VLAN 10 complain that they cannot access network resources and the Internet. When you try to ping the default gateway from one of the affected clients, you get ping timeouts. What is the most likely cause of this issue?

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B. VLAN 10 is not created in the switch database. On a Cisco switch, a VLAN must be explicitly created in the VLAN database (or learned via VTP) before its SVI becomes operational. Without VLAN 10 in the database, the SVI for that VLAN stays down, making the default gateway unreachable and causing ping timeouts for all VLAN 10 clients.

Answer

A. VLAN 10 is only enabled on trunk interfaces. A VLAN being present only on trunk ports does not by itself remove the SVI or prevent gateway reachability from access ports.

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C. STP is not running on the switch. STP controls loop prevention; its absence would not cause the default gateway to be unreachable via ping.

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D. IP routing is disabled on the switch. IP routing being disabled would affect inter-VLAN routing, but ping to the local SVI (default gateway) would still succeed if the VLAN existed.

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E. The switch CAM table is corrupted. A corrupted CAM table might cause flooding but would not completely block pings to the directly connected default gateway.

Refer to the exhibit. Clients in VLAN 10 complain that they cannot access network resources and the Internet. When you try to ping the default gateway from one of the affected clients, you get ping…

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