Which node type will use only NetBIOS broadcast requests using UDP broadcast？（）
A、 b-node （type 0x01）
B、 p-node （type 0x02）
C、 m-node （type 0x04）
D、 h-node （type 0x08）
Which of the following is a secure method of remote access via command line?（）
A、RCP
B、Telnet
C、RSH
D、SSH
You execute the following Recovery Manager （RMAN） commands in he following order： BACKUP VALIDATE DATABAE RECOVER CORRUPTION LIST； Which two tasks are performed by these commands？（）
ARepair the corrupted blocks. If any. In the backup created
BPopulate VSCOPV_CORRUPTION with names of files that have corrupted blocks
CBack up the database after checking whether array of the files have corrupted blocks
DDiscover any corrupt blocks that are viewable with the VSDATABASE_BI-OCK_CORBUPTION view
ERepair all corrupted blocks that have been logged in the VSDATABASE_BLOCK_ CORRUPTION
行腹膜透析患者蛋白质摄入量是（）
A、0.5g/（kg·D.，并适量补充必需氨基酸
B、0.5～0.8g/（kg·D.，其中60%以上为优质蛋白
C、0.8～1.0g/（kg·D.，其中60%以上为优质蛋白
D、1.1～1.2g／（kg·D.，其中50%以上为优质蛋白
E、E.1.2～1.5g/（kg·，其中50%以上为优质蛋白
Which of the following devices transmits timed broadcasts onto an active network?（）
A、Bridge
B、Unmanaged switch
C、DHCP client
D、Firewal
