Final test: Networking

Several correct answers

From lab-node1 a request to the site on lab-node2 waits and gives up on a timeout, and the lab-node1 table is clean. Where can the cause be?

• A The route back to the client on lab-node2.
• B A filter on lab-node2.
• C The server name in the client's /etc/hosts.
• D No listener on lab-node2.