Your company uses DHCP to lease IPv4 addresses to computers at the main office.A WAN link connects the main office to a branch office. All computers in the branch office are configured with static IP addresses. The branch office does not use DHCP and uses a different subnet. You need to ensure that the portable computers can connect to network resources at the main office and the branch office.How should you configure each portable computer？（）

• A、Use as tatic IPv4 address in the range used at the branch  office.
• B、Use an alternate configuration that contains a staticI Paddress in the range used at the main office.
• C、Use the address that was assigned by the DHCP server as astatic IP address.
• D、Use an alternate configuration that contains a staticI Paddress in the range used at the branch office.