单项选择题Which statement is true about accessing a Juniper enterprise router using a Web browser?()
A. J-series routers are accessible by default.
B. M7i and M10i routers are accessible by default.
C. You need to install a license before accessing a J-series router.
D. You need to enable the HTTP service on M7i, M10i, and J-series routers before accessing them.