5 Questions
Which protocol is commonly blocked at firewalls?
ICMP
Which protocol resolves MAC addresses for IPv4?
ARP
Which protocol is used for transferring files over a network and is commonly blocked at firewalls?
FTP
Which protocol is used for email and web usage, and also for secure communication over the web?
SMTP
Which protocol is used for remote access and commonly operates on port 22?
SSH
Test your knowledge of basic networking concepts, protocols, and network devices with this CompTIA Security+ introduction quiz. Explore network technologies and tools, routing and switching use cases, and basic connectivity protocols such as TCP and UDP. This quiz is designed to help you review and understand fundamental networking principles.
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