单项选择题
A. Do not fragment has been configured on PE11.
B. MPLS has been disabled on routers P11 and P12.
C. An access list has been created on P11 to block traceroutes from PE11.
D. The no mpls ip propgate-ttl local command has been configured on PE11
E. ICMP has been disabled on the intermediary routers between PE11 and PE12.
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.)
多项选择题 Refer to the exhibit. Which two of these statements are correct? (Choose two.)（）
