Packet filter firewalls operate at which of the following layers of the OSI model?
a. Application
b. Network
c. Session
d. Transport
ANS: B
Computer Science & Information Technology
You might also like to view...
A(n) ________ is the smallest unit of digital data
Fill in the blank(s) with correct word
Computer Science & Information Technology
Which of the following is a type of LAN?
A) Peer-to-peer B) Star network C) Switched network D) Tree-and-branch E) None of the above
Computer Science & Information Technology