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Share some HCNP-R&S H12-222-ENU exam questions and answers below.
LDF is a protocol specifically formulated for label distribution. There are many types of its messages. The messages used to advertise and maintain an LSR existence in the network is( ).
A. Discovery message
B. Session message
C. Advertisement message
D. Notification message
Which of the following description about the configuration is wrong £¿
A. Configure GigabitEthernet 0/0/1 interface as the trusted interface.
B. If the DHCP request message received from GigabitEthernet 0/0/1 has no SubOption1 information of Option 82, the device will generate Option 82 and insert it into the packet.
C. Open DHCP snooping configuration to prevent DHCP server counterfeiter attacks.
D. Open DHCP snooping configuration to prevent ARP spoofing attacks.
ASPF (Application Specific Packet Filter) is a kind of Packet Filter based on the application layer, it will check the application layer protocol information and monitor the application layer protocol status of the connection, and through the Server Map table to achieve a special security mechanism.
Then which statement about the ASPF and Server map table is not correct?
A. ASPF monitors the messages in the communication process.
B. ASPF dynamically create and delete filtering rules.
C. ASPF through the Servermap table to implement dynamic multi-channel protocol data will be allowed to pass.
D. Quintuple Server-map table item implements similar functions to the session table.
IntServ model, before the application sends a message, need to apply for reservation resources to the network.
The ToS field is used to mark the QoS in the IP packet,in the ToS field uses the first 6bits to mark the DSCP.
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