单项选择题
A. show clns neighbor
B. show isis neighbor
C. show clns interface
D. show isis interface
单项选择题 Which CLI command shows if the router has formed any IS-IS adjacencies?（）
单项选择题 You would like to operate IS-IS on interface atm 6/0.33 with an IP address of 192.168.1.1/24. Which set of commands accomplishes this?（）
单项选择题 What is the default value of the IS-IS lsp-refresh-interval command?（）