单项选择题 Refer to the exhibit. Analyze the two traceroutes that are displayed. Which of these statements is correct in describing what most likely caused the traceroute differences?（）

多项选择题 Referring to the partial Cisco Catalyst switch configuration shown, which two of these statements are correct? （）(Choose two.)

多项选择题 Refer to the exhibit. You have a non-Cisco switch that is not communicating properly while connected to the distribution-layer Cisco switching fabric. Which two best-practice actions can you take to overcome this problem? （）(Choose two.)