多项选择题
A. Each end of the trunk line must be set to IEEE 802.1E encapsulation.
B. The VTP management domain name of both switches must be set the same.
C. All ports on both the switches must be set as access port.
D. One of the two switches must be configured as a VTP server.
E. A rollover cable is required to connect the two switches together.
F. A router must be used to forward VTP traffic between VLANs.
多项选择题 Which router IOS commands can be used to troubleshoot LAN connectivity problems?（）
多项选择题 You are attempting to troubleshoot some problems within your local network.Which of the following are router IOS commands that can be used to troubleshoot LAN connectivity problems?（）
单项选择题 What command verifies connectivity between two hosts by sending and receiving ICMP echo messages?（）