公司预售商品住宅，在申请《预售许可证》时，除了提交土地使用权证、营业执照以及资质证书外，还需要提供()文件。

A．undo

B． remove

C． delete

D． unset

ter R1 does not receive a default route to router R2 as in tended. Which configuration change would ensure that R1 would receive a default route from R2？ （）

A. Add the area 1 stub command on routers R1.

B. Add the always keyword to the default - information originate configuration command on router R2.

C. Remov e the default information originate configuration command from router R2 and place it on router R1.

D. Add the ip route 5.0.0.0 255.255.255.0 0.0.0.0 command to router R2.

A．put

B． set

C． show

D． get

A．A

B．B

C．C

D．D

A．ip route 192.168.10.1 255.255.255.255 atm 6/2.1

B． ip route 192.168.10.1 255.255.255.252 atm 6/2.1

C． add route 192.168.10.1 255.255.255.252 atm 6/2.1

D． add route 192.168.10.1 255.255.255.255 atm 6/2.1

A. user@router> show configuration

B. user@router# show

C. user@router> show system configuration

D. user@router> show system commit

A. show command

B. debug command

C. configuration command

D. rommon command

A. wireless connectivity

B. call routing configuration

C. device discovery

D. call forwarding

E. command line configuration

A. user@router# save rescue

B. user@router> request system configuration rescue save

C. user@router# save rescue configuration

D. user@router> file save rescue-configuration

A．snmp-client

B．snmp-server

C．snmp-clientenable

D．snmp-serverenable