Explain why it is the answer

QUESTION 1 A technician is troubleshooting an issue with a new server, which is unable to download OS patches from the Internet. The technician reviews the following configuration: Ethernet Adapter Local Area Connection: Connection-specific DNS Suffix. : comptia.org Link-local IPv6 Address....: fe80::c95:3f59:1a01:0050%11 IPv4 Address ..........: 192.168.10.20 Subnet Mask ..........: 255.255.255.128 Default Gateway ........: 192.168.10.129 What is the reason that the server is unable to connect to the Internet? How do you fix it? ANSWER: QUESTION 2 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? Choose one and explain why? A. Default gateway B. Netmask C. DNS A (AAAA) record D. DNS reverse lookup entry