CNIT 342 PACKET FILTERING QUIZ QUESTIONS WITH
VERIFIED ANSWERS
A packet filter is a software solution limiting network connectivity based on packet
characteristics - Answers - True
A Packet filter operates on all levels of the OSI model - Answers - False (Only layers 2
and 3)
All modern operating systems have some kind of packet filter - Answers - True
A firewall is a purely hardware solution - Answers - False (Hardware and software)
Software firewalls are much more effective than hardware firewalls. - Answers - False
(No such thing as a software firewall)
The context of a packet is considered during static filtering - Answers - False
Static filtering performs scanning the fastest - Answers - True
Dynamic Packet Filtering is also known as - Answers - Stateful Packet Inspection
Dynamic packet filtering considers the content of a packet before filtering. - Answers -
True
"In" an external interface is from what side of the firewall? - Answers - External network
"Out" an external interface is to what side of the firewall? - Answers - Internal network
"In" an internal interface is from what side of the firewall? - Answers - Internal network
"Out" an internal interface is from what side of the firewall? - Answers - Anywhere
Filtering rules consist of what 3 parts? - Answers - Source match, Destination match,
Action
Rules to execute are determined by a longest match algorithm - Answers - False (first
match algorithm)
Filtering rules allow filtering by protocol matching - Answers - True
In a ruleset, the source protocol does not have to match the destination protocol -
Answers - False
VERIFIED ANSWERS
A packet filter is a software solution limiting network connectivity based on packet
characteristics - Answers - True
A Packet filter operates on all levels of the OSI model - Answers - False (Only layers 2
and 3)
All modern operating systems have some kind of packet filter - Answers - True
A firewall is a purely hardware solution - Answers - False (Hardware and software)
Software firewalls are much more effective than hardware firewalls. - Answers - False
(No such thing as a software firewall)
The context of a packet is considered during static filtering - Answers - False
Static filtering performs scanning the fastest - Answers - True
Dynamic Packet Filtering is also known as - Answers - Stateful Packet Inspection
Dynamic packet filtering considers the content of a packet before filtering. - Answers -
True
"In" an external interface is from what side of the firewall? - Answers - External network
"Out" an external interface is to what side of the firewall? - Answers - Internal network
"In" an internal interface is from what side of the firewall? - Answers - Internal network
"Out" an internal interface is from what side of the firewall? - Answers - Anywhere
Filtering rules consist of what 3 parts? - Answers - Source match, Destination match,
Action
Rules to execute are determined by a longest match algorithm - Answers - False (first
match algorithm)
Filtering rules allow filtering by protocol matching - Answers - True
In a ruleset, the source protocol does not have to match the destination protocol -
Answers - False
