WGU C172 - Network and Security Foundations –
Firewalls questions with verified answers
Access Control Lists (ACLs) Ans✓✓✓-allow or disallow traffic based on tuples
(groups of variables like Source IP, Dest IP, Port Number, time, etc)
Application Level Firewall Ans✓✓✓-Another name for a Host-based Firewall
Application Level Firewall Ans✓✓✓-Blocks program-level traffic. Analyzes packet
content.
Application Level Firewall Ans✓✓✓-Called application layer gateway, stateful
multilayer inspection, deep packet inspection or next-gen.
Application Level Firewall Ans✓✓✓-Included in many OSs
Application Level Firewall Ans✓✓✓-Is application aware and can be used to
disallow/disallow subsets of an application.
Application Level Firewall Ans✓✓✓-Personal firewalls, often software-based.
Application Level Firewall Ans✓✓✓-Requires decode of the packets. Looks at
actual data inside packets.
Application Level Firewall Ans✓✓✓-Sometimes known as a proxy firewall.
, Application Level Firewall Ans✓✓✓-The ________________________________
Firewall operates at OSI Level 7 and below.
Application Level Firewall Ans✓✓✓-Which type of firewall is considered most
secure?
Application Level Firewall Ans✓✓✓-You might be able to view Twitter but not
post to Twitter because the _____________________________ knows exactly
what you should be allowed to do.
Firewall Ans✓✓✓-________________ rules are called Access Control Lists (ACLs).
Firewall Ans✓✓✓-A part of a computer system or network designed to block
unauthorized access while permitting outward communication.
Firewall Ans✓✓✓-Which network device is usually placed in-line between a
trusted network and an untrusted network?
Layer 3 devices Ans✓✓✓-Most firewalls can be __________________, which
provide routing functionality between the inside and outside of the network.
Layer 3 devices Ans✓✓✓-What is a good way to have a central device that sits
between you and the internet that provide routing, NAT, and security?
Packet Filtering Firewall Ans✓✓✓-A _____________________________ type of
Firewall operates at Layer 3 (the IP Layer) and Layer 4 ( the TCP and UDP port
numbers)
Firewalls questions with verified answers
Access Control Lists (ACLs) Ans✓✓✓-allow or disallow traffic based on tuples
(groups of variables like Source IP, Dest IP, Port Number, time, etc)
Application Level Firewall Ans✓✓✓-Another name for a Host-based Firewall
Application Level Firewall Ans✓✓✓-Blocks program-level traffic. Analyzes packet
content.
Application Level Firewall Ans✓✓✓-Called application layer gateway, stateful
multilayer inspection, deep packet inspection or next-gen.
Application Level Firewall Ans✓✓✓-Included in many OSs
Application Level Firewall Ans✓✓✓-Is application aware and can be used to
disallow/disallow subsets of an application.
Application Level Firewall Ans✓✓✓-Personal firewalls, often software-based.
Application Level Firewall Ans✓✓✓-Requires decode of the packets. Looks at
actual data inside packets.
Application Level Firewall Ans✓✓✓-Sometimes known as a proxy firewall.
, Application Level Firewall Ans✓✓✓-The ________________________________
Firewall operates at OSI Level 7 and below.
Application Level Firewall Ans✓✓✓-Which type of firewall is considered most
secure?
Application Level Firewall Ans✓✓✓-You might be able to view Twitter but not
post to Twitter because the _____________________________ knows exactly
what you should be allowed to do.
Firewall Ans✓✓✓-________________ rules are called Access Control Lists (ACLs).
Firewall Ans✓✓✓-A part of a computer system or network designed to block
unauthorized access while permitting outward communication.
Firewall Ans✓✓✓-Which network device is usually placed in-line between a
trusted network and an untrusted network?
Layer 3 devices Ans✓✓✓-Most firewalls can be __________________, which
provide routing functionality between the inside and outside of the network.
Layer 3 devices Ans✓✓✓-What is a good way to have a central device that sits
between you and the internet that provide routing, NAT, and security?
Packet Filtering Firewall Ans✓✓✓-A _____________________________ type of
Firewall operates at Layer 3 (the IP Layer) and Layer 4 ( the TCP and UDP port
numbers)
