What are two possible limitations of using a firewall in a network? (Choose two.)
- It provides accessibility of applications and sensitive resources to external untrusted users.
- It increases security management complexity by requiring off-loading network access control to the device.
- A misconfigured firewall can create a single point of failure.
- Network performance can slow down.
- It cannot sanitize protocol flows.
Explanation: Firewalls have some limitations:
- A misconfigured firewall can have serious consequences for the network, such as becoming a single point of failure.
- The data from many applications cannot be passed over firewalls securely.
- Users might proactively search for ways around the firewall to receive blocked material, which exposes the network to potential attack.
- Network performance can slow down.
- Unauthorized traffic can be tunneled or hidden as legitimate traffic through the firewall.
Exam with this question: Modules 8 - 10: ACLs and Firewalls Group Exam Answers
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