In PIM-DM, the router will start a pruning timer for the pruned downstream interface, and the interface will resume forwarding after the timer expires.
How many seconds is this timer by default?
By default, some security zones are created when Huawei firewalls are enabled. Which of the following security zones is created by users?
The output of a certain router is shown in the figure.
According to the information analysis in the figure, which one of the following descriptions is correct?
As shown in the figure, if the user wants to use SSH to access the Headquarter S_Site server through the public network, and for security reasons, the destination port number accessed from the external network cannot be the same as SSH, then which of the following NAT can be used? Is the technology capable of meeting this need?
The ACL configuration on a certain router is shown in the figure, so which of the following items are the addresses that satisfy this condition? (Multiple choice)
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