单项选择题

How often are IS-IS Hello packets transmitted?（）

A. 3 seconds for DIS; 9 seconds for non-DIS
B. 9 seconds for DIS; 3 seconds for non-DIS
C. 10 seconds for DIS; 3 seconds for non-DIS
D. 10 seconds for all routers

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热门试题

多项选择题What are the three components of the ISO NET address?（）

A. Area ID
B. N-selector
C. System ID
D. AS number
E. ISO number
F. MAC address

单项选择题Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?（）

A. the router with the lowest priority
B. the router with the highest priority
C. the router with the highest System ID
D. the router with the highest IP address