To control the execution of a server process when it is receiving bad packets from a potentially malicious client, you set the SEC_PROTOCOL_ERROR_FURTHER_ACTION initialization parameter as follows:SQL> ALTER SYSTEM SET SEC_PROTOCOL_ERROR_FURTHER_ACTION = Drop,10;What is the significance of this setting?()
A. It terminates the client connection after 10 bad packets and the client cannot reconnect to the same instance.
B. It terminates the client connection after 10 bad packets but the client can still reconnect, and attempt the same operation again.
C. It terminates the client connection 10 seconds after receiving a bad packet and the client cannot reconnect to the same instance.
D. It terminates the client connection after receiving a bad packet and the client can reconnect to the same instance after 10 minutes.
第1题:
A.Control控制端
B.Server服务端
C.Robot机器人代理端
D.以上三部分都是
第2题:
A transport layer protocol has several responsibilities. One is to create a process-to-process (program-to-program) communication; TCP uses port (71) to accomplish this. Another responsibility of a transport layer protocol is to create a (72) and error-control mechanism at the transport level. TCP uses a sliding (73) protocol to achieve flow control. It uses the acknowledgment packet, time-out, and retransmission to achieve (74) control. The transport layer is also responsible for providing a connection mechanism for the application program. The application program sends (75) of data to the transport layer. It is the responsibility of the transport layer at the sending station to make a connection with the receiver.
(71)
A.numbers
B.connections
C.diagrams
D.resources
第3题:
A.DatA.segments-packets-frames-bits
B.DatA.packets-segments-frames-bits
C.DatA.frames-segments-packets-bits
D.DatA.segments-frames-packets-bits
第4题:
检索“投中3分球”小于等于5个的运动员中“得分”最高的运动员的“得分”,正确的SQL语句是( )。
A.SELECT MAX(得分)FROM运动员WHERE投中3分球<=5
B.SELECT MAX(得分)FROM运动员WHEN投中3分球<=5
C.SELECT得分MAX(得分)FROM运动员WHERE投中3分球<=5
D.SELECT得分MAX(得分)FROM运动员WHEN投中3分球<=5
第5题:
检索“投中3分球”小于等于5个的运动员中“得分”最高的运动员的“得分”,正确的SQL语句是( )。
A)SELECT MAX(得分)FROM运动员WHERE投中3分球<=5
B)SELECT MAX(得分)FROM运动员WHEN投中3分球<=5
C)SELECT得分MAX(得分)FROM运动员WHERE投中3分球<=5
D)SELECT得分MAX(得分)FROM运动员WHEN投中3分球<=5
第6题: