单选题A customer reports they are unable to connect to any computers outside of the office and they are unable to connect to the Internet. When the technician runs ipconfig, the customer gets the following output: IP address169.254.2.4 Subnet Mask.255.255.0.0 Default Gateway. Which of the following could be causing the issue?（）AThe subnet mask is not correctly configured.BThe DNS client has not been configured on the computer.CThe DHCP client is unable to obtain an IP address from the DHCP server.DThe default gateway is not specified
单选题
A customer reports they are unable to connect to any computers outside of the office and they are unable to connect to the Internet. When the technician runs ipconfig, the customer gets the following output: IP address169.254.2.4 Subnet Mask.255.255.0.0 Default Gateway. Which of the following could be causing the issue?（）
A
The subnet mask is not correctly configured.
B
The DNS client has not been configured on the computer.
C
The DHCP client is unable to obtain an IP address from the DHCP server.
D
The default gateway is not specified
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