单项选择题
which command allows you to verify the encapsulation type CISCO OR IETF for a frame relay link?（）
A. show frame-relay map B. show frame-relay lmi C. show inter serial D. show frame-relay pvc
单项选择题 What is the alternative notation for the IPV6 address B514:82C3:0000:0000:0029:EC7A:0000:EC72?（）
单项选择题 DNS servers provide what service?（）
单项选择题 Which protocol provides a method of sharing VLAN configuration information between two Cisco switch?（）
