单项选择题

A. An Adjacency forms.B. An Adjacency does not form.C. ……

Two Level 2 routers are exchanging Hello packets with different Area IDs. What occurs between these routers?（）

A. An Adjacency forms.
B. An Adjacency does not form.
C. An Adjacency forms but traffic is not forwarded.
D. No IS-IS PDUs are sent.

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热门试题

单项选择题What command would you use to view an IS-IS adjacency?（）

A. show iso neighbor
B. show isis neighbor
C. show iso adjacency
D. show isis adjacency

单项选择题How do you enable interface fe-0 0 0 under the [edit protocols isis] level to form both a Level 1 and Level 2 adjacency?（）

A. set interface fe-0/0/0.0
B. set interface fe-0/0/0.0 all level
C. set interface fe-0/0/0.0 level 3 enable
D. set interface fe-0/0/0.0 level 1 level 2

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

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