下面哪个是正确的默认路由（default route）？（）。

A user is unable to determine the default system texteditor.
How can the local administrator assist the user by identifying the default text editor for the system?（）

In speaking activities, a speaker often tries to avoid using a difficult word or structure and chooses to use a simpler one. What learning strategy does the speaker use?

In speaking activities,a speaker often tries to avoid using a difficult word or structure and chooses to use a simpler one. What learning strategy does the speaker use?

Which of the following commands would you use, to configure a default route to any destination NOT found in the routing table?（）

A router leams about a remote network from EIGRP.OSPF. and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network?（）

A router learns about a remote network from EIGRP, OSPF, and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network（）。

How long must GMDSS Radio Logs be retained by the licensee when they relate to a distress situation or disaster? （）

By default, which IS-IS metric types does JUNOS software support?（）

How often does the CSQ stat screen automatically refresh?（）

By default, to which peers will a BGP router advertise routes learned from IBGP peers?（）

For which routes does LDP advertise a label binding？（）