Provides routing of data from the source to a destination by de?¬?ning the
packet and addressing scheme, moving data between the data link and transport
layers, routing packets of data to remote hosts, and performing fragmentation and
reassembly of data packets
____5. Provides communication services directly to the application processes
running on different network hosts
a. physical layer
b. data link layer
c. Internet layer
d. transport layer
e. application layer
22. Which area of the OSI model and the TCP/IP stack is most diverse?
a. network layer
b. transport layer
132 Chapter 1: Building a Simple Network
c. application layer
d. data link layer
23. How many bits are in an IPv4 address?
a. 16
b. 32
c. 48
d. 64
e. 128
24. In a Class B address, which of the octets are the host address portion and are assigned
locally?
a. The ?¬?rst octet is assigned locally.
b. The ?¬?rst and second octets are assigned locally.
c. The second and third octets are assigned locally.
d. The third and fourth octets are assigned locally.
25. The address 172.16.128.17 is of which class?
a. Class A
b. Class B
c. Class C
d. Class D
26. Which of the following statements is true of a directed broadcast address?
a.
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