TCP functions at the Open System Interconnection(OSI)(61)layer, or Layer 4. Its chief responsibility is to ensure(62)end-to-end connectivity. IP, located one layer down, at the OSI network layer, or Layer 3, communicates the addresses of each(63)sender and receiver to the routers along the way. Routers and Layer 3 switches can read IP and other Layer 3(64). This information, combined with routing tables and other network intelligence, is all it takes to get(65)the room or around the world via TCP/IP.
A.transpose
B.translate
C.transmit
D.transport
第1题:
A.Layer5
B.Layer4
C.Layer3
D.Layer2
E.Layer1
第2题:
A. Layer 2
B. Layer 3
C. Layer 4
D. Layer 5
E. Layer 6
F. Layer 7
第3题:
A.Layer2
B.Layer3
C.Layer4
D.Layer5
E.Layer6
F.Layer7
第4题:
A.Lay er 5
B.Lay er 4
C.Lay er 3
D.Lay er 2
E.Lay er 1
第5题:
A.Layer3
B.Layer4
C.Layer2
D.Layer5
第6题:
A.Layer2
B.Layer3
C.Layer4
D.Layer5
E.Layer6
F.Layer7