A.The user lab will not be able to login.B.The user lab……

单项选择题A router has been configured with the settings shown below: [edit] user@host# show system authentication-order authentication-order [ radius tacplus ]; The router also has a local database that contains the user lab with password lab123. What would happen if both the RADIUS and the TACACS servers are not accessible?（）

A.The user lab will not be able to login.
B.The user lab will be authenticated against the local database and will be able to login.
C.The user lab will receive an error message indicating the router is unable to authenticate due to the authentication servers not responding.
D.The user will be able to login only if tries to login as the root user.

单项选择题Which user authentication methods are available in JUNOS?（）

A.MD5 and SHA
B.RADIUS and TACACS only
C.Local User Database
D.Local user Database, RADIUS, and TACACS+

多项选择题Which two media types support asynchronous transfer mode?（）

A.T3
B.SONET
C.Gigabit-Ethernet
D.EIA/TIA-232 serial

单项选择题Which statement is true about configuring a back-to-back connection frame-relay on Juniper Routers?（）

A.Both DTE and DCE will send keep-alives by default so no special configuration is required.
B.The circuit is negotiated automatically so no special configuration is required.
C.All equipment is by default DTE, one side should be set to DCE
D.All equipment is by default DCE, one side should be set to DTE

单项选择题Which logical unit number must be configured on an interface using PPP encapsulation?（）

A.unit 0
B.unit 1
C.unit 100
D.unit 255