A server administrator is bringing a new host online. After the initial OS installation and configuration, the administrator is unable to reach hosts on another subnet. The administrator is able to ping and access other hosts on the same subnet. Which of the following should the administrator check FIRST?
A. Default gateway
B. Netmask
C. DNS A (AAAA) record
D. DNS reverse lookup entry
Answer: A. Default gateway
Computer Science & Information Technology
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