A、OPEN
B、SHUTDOWN
C、NOMOUNT
D、MOUNT
答案:D
A、OPEN
B、SHUTDOWN
C、NOMOUNT
D、MOUNT
答案:D
A. 对
B. 错
A. ECS
B. ODPS
C. RDS
D. OSS
A. halt
B. shutdown -h 5
C. init 0
D. exit
A. SELECTa FROMA ORDER BY a LIMIT 100
B. SELECT a+b, count(a)FROM A group by a+b ORDER BY a
C. SELECT a,b FROM A ORDER BY a+b LIMIT 100
D. SELECT a, count(a)FROM A group by a ORDER BY a
A. 对
B. 错
A. 对
B. 错
A. 对
B. 错
A. 在 ospf 协议视图下输入命令“display this”
B. Display current-configuration
C. Display ospf peer
D. Dis ip routing-table
A. 站内低压电缆接头
B. 抵压母线
C. 柱上变压器
D. 低压导线
A. 骨干区域编号不能为 2
B. 区域编号从 0.0.0.0-255.255.255.255
C. 所有网络都应在区域 0 中宣告
D. 配置 ospf 区域前必须为路由器的 loopback 口配置 IP 地址