Level 1 internal routes
Level 1 external routes
Level 2 internal routes
Level 2 external routes
第1题：
A. OSPF internal
B. OSPF external
C. IS-IS Level 1
D. IS-IS Level 2
第2题：
Which source of routing information is preferred by default?（）
第3题：
An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show isis interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level(s) is enabled on these interfaces?（）
A. Level 1 only
B. Level 2 only
C. Level 1 and Level 2
D. Level 3 only
第4题：
Which type of backup must be performed first with an incremental backup？（）
第5题：
Which two are default preference values for both internal and external IS-IS Level 2 routes on a Juniper Networks router?（）
第6题：
A. Level 1 internal routes
B. Level 1 external routes
C. Level 2 internal routes
D. Level 2 external routes
第7题：
How do routers in an IS-IS Level-1 domain exit to reach other Level-1 （L1） domains？（）
第8题：
A. only summarized routes
B. all routes in the network
C. all routes in the backbone
D. No routes are advertised.
第9题：
An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show isis interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level(s) is enabled on these interfaces?（）
第10题：
Which two are default preference values for both internal and external IS-IS Level 2 routes on a Juniper Networks router？（）