Cloud Storage Flashcards
What is a firewall?
A firewall is a network security device that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
True or False: Firewalls can only be hardware-based.
False
Fill in the blank: A ___ firewall filters traffic based on IP addresses and ports.
packet-filtering
What are the two main types of firewalls?
Network firewalls and host-based firewalls.
Multiple Choice: Which of the following is NOT a function of a firewall? A) Packet filtering B) VPN support C) Web hosting
C) Web hosting
What does a stateful firewall do?
A stateful firewall keeps track of the state of active connections and makes decisions based on the context of the traffic.
True or False: Firewalls can only block unwanted traffic.
False
Fill in the blank: A ___ firewall can inspect and filter traffic at the application layer.
next-generation
What is the primary purpose of a firewall?
To protect networks from unauthorized access and threats.
Multiple Choice: Which protocol is commonly used for remote access through firewalls? A) FTP B) SSH C) HTTP
B) SSH
What is a DMZ in the context of firewalls?
A DMZ (Demilitarized Zone) is a physical or logical subnetwork that contains and exposes external-facing services to an untrusted network, usually the internet.
True or False: Firewalls can prevent all types of cyber attacks.
False
Fill in the blank: Firewalls use ___ rules to determine whether to allow or block traffic.
access control
What is the difference between a hardware firewall and a software firewall?
A hardware firewall is a physical device placed between a network and its gateway, while a software firewall is installed on individual devices or computers.
Multiple Choice: Which type of firewall is typically easier to manage on a single device? A) Hardware firewall B) Software firewall
B) Software firewall
What is a proxy firewall?
A proxy firewall acts as an intermediary between a user’s device and the internet, filtering requests and responses.
True or False: All firewalls are capable of deep packet inspection.
False
Fill in the blank: A firewall can log traffic data to aid in ___ and compliance.
monitoring
What is a firewall rule set?
A firewall rule set is a collection of rules that define how the firewall should handle network traffic.
Multiple Choice: Which of the following is a common firewall configuration mistake? A) Allowing all inbound traffic B) Blocking all outbound traffic C) Regularly updating rules
A) Allowing all inbound traffic
What does NAT stand for, and how is it related to firewalls?
NAT stands for Network Address Translation, and it is often used in conjunction with firewalls to hide internal IP addresses from external networks.
True or False: A firewall can protect against internal threats.
True
Fill in the blank: Firewalls can be used to implement ___ policies to control access to resources.
security
What is an intrusion detection system (IDS), and how does it relate to firewalls?
An IDS monitors network traffic for suspicious activity and can work alongside firewalls to enhance security.
Multiple Choice: Which type of firewall typically requires more resources to operate? A) Packet-filtering firewall B) Stateful firewall C) Proxy firewall
C) Proxy firewall
