单选题What is the default protocol preference for OSPF external routes?（）A 10B 15C 150D 160

第1题：

第2题：

When an OSPF design is planned, which implementation can help a router not have memory resource issues?（）

• A、Have a backbone area (area 0) with 40 routers and use default routes to reach external destinations
• B、Have a backbo ne area (area 0) with 4 routers and 30,000 external routes injected into OSPF
• C、Have less OSPF areas to reduce the need for interarea route summarizations
• D、Have multiple OSPF processes on each OSPF router. Example, router ospf 1, router ospf 2

第3题：

第4题：

What is the default protocol preference for OSPF internal routes?（）

• A、10
• B、15
• C、150
• D、160

第5题：

Which two are default preference values for both internal and external IS-IS Level 2 routes on a Juniper Networks router?（）

• A、15
• B、18
• C、150
• D、165

第6题：

第7题：

Which two statements are correct regarding default protocol preference values?（）

• A、RIP is preferred over OSPF external routes.
• B、Direct, local, and static routes have the same preference value.
• C、OSPF's preference value is lower than BGP.
• D、OSPF has a single preference value for both internal and external routes.

第8题：

第9题：

Which two are default preference values for both internal and external IS-IS Level 2 routes on a Juniper Networks router？（）

• A、10
• B、15
• C、18
• D、150
• E、160
• F、165

第10题：

Which two statements are correct regarding the default protocol preference values? （）

• A、RIP is preferred over OSPF external routes
• B、Direct, local and static routes have the same preference value
• C、OSPF's preference value is lower than BGP
• D、OSPF has a single preference value for both internal and external routes