Which of the following is the reason that the server is unable to connect to the Internet?

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:c050%11

IPv4 Address . . . . . . . . . . : 192.168.10.20

Subnet Mask . . . . . . . . . . : 255.255.255.128

Default Gateway . . . . . . . . : 192.168.10.129

Which of the following is the reason that the server is unable to connect to the Internet?
A . Incorrect default gateway
B . Invalid IPv6 address
C . Wrong subnet mask
D . Misconfigured DNS suffix