Which of the following BEST allows Pete, a security administrator, to determine the type, source,
and flags of the packet traversing a network for troubleshooting purposes?

A.
Switches

B.
Protocol analyzers

C.
Routers

D.
Web security gateways

Explanation:
A Protocol Analyzer is a hardware device or more commonly a software program used to capture
network data communications sent between devices on a network. By capturing and analyzing the
packets, Pete will be able to determine the type, source, and flags of the packets traversing a
network for troubleshooting purposes.
Well known software protocol analyzers include Message Analyzer (formerly Network Monitor)
from Microsoft and Wireshark (formerly Ethereal).