单选题 Which command would you type to see a concise display of which interfaces are up and which are down?（）
show interfaces brief
show interfaces status
show ip interface brief
show interfaces terse
单选题 Given the IP address range 192.168.100.0 through 192.168.100.255, which network mask segments these addresses into 16 subnets?（）
The likelihood of collisions occurring increases when a switch is used.
The likelihood of collisions occurring increases when a hub is used.
If a hub is used, the collision domain is limited to each device and the hub.
If a switch is used, the collision domain is limited to each device and the switch.
router’s version and serial number to help open a case with JTAC
software documentation describing features and configuration tasks within JUNOS
a brief description of commands and their default values
a verification of the current configuration on the router
单选题 If the PFE does not have a route to the destination address of a packet， which action will be taken？（）
The PFE floods the packet out of all interfaces.
The PFE drops the packet and sends a destination unreachable notification back to source device.
The PFE forwards the packet to the routing engine for further processing.
The PFE queues the packet and sends a request for a layer 3 lookup to the routing engine.
monitor start test
show log test
view log test
show test realtime
By default, RIP automatically sends static routes.
Configure the static route with a next hop of the RIP neighbor.
Configure redistribute static under [edit protocols rip].
Apply an export policy within RIP that matches on the routes, and accepts it.