Which three protocols use UDP as a transport protocol by default?（）

多项选择题Which two statements are true about the forwarding table?（）

A. The forwarding table lists each source protocol and preference for each destination
B. The forwarding table constains only active routes
C. The forwarding table is used to process transit packets
D. The forwarding table is stored in compact flash

单项选择题You issue the ping interface t1-1 1 0 1.1.1.1 bypass-routing count 1000 rapid command.Which statement is correct?（）

A. The bypass-routing parameter is used to test the density on the T1 line
B. The bypass-routing parameter cannot be used on a T1 interface
C. The bypass-routing parameter allows you to ping a host through an interface that has no route through it
D. The bypass-routing parameter allows you to ping a local WAN interface without generating any outbound traffic

单项选择题You need to control SSH, HTTP, and Telnet access to an MX240 router through any interface. You have decided to use a firewall filter. How should you apply the firewall filter?（）

A. as an outbound filter on interface fxp0
B. as an outbound filter on interface lo0
C. as an inbound filter on interface fxp0
D. as an inbound filter on interface lo0

单项选择题Which account is used to access a Junos device in a factory-default configuration?（）

A. root
B. admin
C. juniper
D. user

单项选择题What must be configured prior to the first commit after factory defaults are loaded?（）

A. root authentication
B. default gateway
C. hostname
D. management services