300-135的case题第一题，求解释

gbcbooks

Case 题目部分:
Case1
A customer network engineer has made configuration changes that have
resulted in some loss of connectivity. You have been called in to evaluate a
switch network and suggest resolutions to the problems.

QUESTION 1

PC2 in VLAN 200 is unable to ping the gateway address 172.16.200.1; identify
the issue.
A. VTP domain name mismatch on SW4
B. VLAN 200 not configured on SW1
C. VLAN 200 not configured on SW2
D. VLAN 200 not configured on SW4
Correct Answer: C
Section: Case
Explanation
Explanation/Reference:
By looking at the configuration for SW2, we see that it is missing VLAN 200,
and the "switchport access vlan 200" command is missing under interface eth
0/0:


这题的答案是不是D的？从答案的截图看来，查看的是SW4的配置，也就是接PC2的那台交换机。满分的同学来看看？