packet segmentation
serialized checking
packet sequencing
parallel checking
第1题:
A.Host 1 addresses the frames to the MAC address of router R1
B.Host 1 looks in its ARP cache for the MAC address of router R1
C.Host 1 addresses the frames to the MAC address of web server 2
D.Host 1 sends the packets to router R1 to be forwarded to web server 2
E.Host 1 sends a broadcast ARP request to obtain the MAC address of webserver2
第2题:
第3题:
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4题:
第5题:
第6题:
第7题:
第8题:
A user opens a webpage that requires the transmission of packets from the Web server to the client‘s browser. The packets transmitted from the Web server to the client exceed the smallest MTU value on the communications path.Which two protocol functions allow this type of communication?()
A. packet segmentation
B. serialized checking
C. packet sequencing
D. parallel checking
第9题:
第10题:
What are two things that an access point (AP) does when it receives an 802.11 frame from a Wi-Fi Multimedia (WMM) client? ()