A team recently deployed new hosts in a private network that fail to connect with a backend service running in a separate network segment. Network access lists are configured, and name resolution works. Which action would most likely restore connectivity?
Change the DNS server so the hosts redirect requests
Assign different addresses on the hosts that match the backend network
Add a new entry so that the hosts know how to reach the backend network
Adjust the firewall to allow all traffic from the new hosts
A missing or incorrect entry in the route table means traffic never reaches its intended destination. Adding a new path to forward messages from the hosts' network to the backend service segment resolves the issue. Changing DNS relates to name resolution, firewall settings manage allowed ports, and modifying IP addresses can break the existing design unless the route table is correct.
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What is a route table?
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Why doesn't changing DNS resolve connectivity issues in this case?
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What happens if the firewall allows all traffic but the route table is incorrect?