Which layer of the DoD TCP/IP model controls the communication flow between hosts?

A.
Internet layer

B.
Host-to-host transport layer

C.
Application layer

D.
Network access layer

Explanation:
The Host-to-host transport layer provides end-to-end data transport services and establishes the logical
connection between two communicating hosts.
Incorrect Answers:
A: The internet layer has the responsibility of sending packets across potentially multiple networks. This
process is called routing.
C: The application layer includes the protocols used by most applications for providing user services or
exchanging application data over the network connections established by the lower level protocols.
D: The link layer (network access layer) is used to move packets between the Internet layer interfaces of two
different hosts on the same link.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 525