Which two protocols are service discovery protocols? (Choose two.)
TCP
SSH
DNS
DHCP
The service discovery protocols among the ones mentioned in the question are DNS and DHCP.
DNS Service Discovery is a way of using standard DNS programming interfaces, servers, and packet formats to browse the network for services.
Dynamic Host Configuration Protocol (DHCP) is a client/server protocol that automatically provides an Internet Protocol (IP) host with its IP address and other related configuration information such as the subnet mask and default gateway.
Therefore, correct options are DNS and DHCP.
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