ネットワーク管理者が、ピア デバイスがイニシエータとして機能するサイト間 VPN トンネルを構成した ピア アドレスがどれも不明 VPN 接続を確立するために、管理者は何を構成できますか?
正解：B
Explanation
When the peer device will act as the initiator and none of the peer addresses are known, the administrator can enable Passive Mode to establish the VPN connection. Passive Mode tells the firewall to wait for the peer device to initiate the VPN connection. The other options are incorrect. Option A, setting up certificate authentication, would require the administrator to know the peer device's certificate. Option C, using the Dynamic IP address type, would require the administrator to know the peer device's dynamic IP address.
Option D, configuring the peer address as an FQDN, would require the administrator to know the peer device's fully qualified domain name.
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