Câu 29: XK0-005: CompTIA Linux+

A systems administrator is troubleshooting a connectivity issue pertaining to access to a system named db.example.com. The system IP address should be 192.168.20.88. The administrator issues the dig command and receives the following output: The administrator runs grep db.example.com /etc/hosts and receives the following output: Given this scenario, which of the following should the administrator do to address this issue?

1. A. Modify the /etc/hosts file and change the db.example.com entry to 192.168.20.89.
2. B. Modify the /etc/network file and change the db.example.com entry to 192.168.20.88.
3. C. Modify the /etc/network file and change the db.example.com entry to 192.168.20.89.
4. D. Modify the /etc/hosts file and change the db.example.com entry to 192.168.20.88. — đáp án hiện tại