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Huawei H12-831-ENU Exam Syllabus Topics:

Huawei HCIP-Datacom Sample Questions:

Question 1

Which of the following regular expressions can match only BGP route entries that pass through AS200 and then AS300?

A. _[200 300]_
B. _ ( 200 300 ) _
C. 200$|300$
D. ^200|^300

Question 2

MPLS has always been slower than IP forwarding.

A. TRUE
B. FALSE

Question 3

As shown in the figure, OSPF is enabled on all interfaces of the router. The IP address marked in the figure is the IP address of the loopback0 interface of the device. Loopback0 of R1 and R2 is advertised in area 1, Loopback0 of R4 is advertised in area 0, and Loopback0 of R3 and R5 is advertised in area 2. Which of the following IP addresses can ping each other? (Multiple choice)

A. 10.0.2.2 and 10.0.5.5 (Type 3 reception is not counted in non-backbone areas)
B. 10.0.2.2 and 10.0.3.3 (Type 3 reception is not counted in non-backbone areas)
C. 10.0.4.4 and 10.0.2.2 (normal calculation Type 3)
D. 10.0.3.3 and 10.0.5.5 (same as region 1)

Question 4

ASPF (Application Specific Packet Filter) is a packet filter based on the application layer. It checks the application layer protocol information and monitors the linked application layer protocol status, and implements a special security mechanism through the Server Map table. Which of the following statement about ASPF and Server map table is wrong?

A. The five-tuple Server-map entry implements a similar function to the session table
B. ASPF dynamically creates and deletes filtering rules
C. ASPF monitors messages during communication
D. ASPF dynamically allows multi-channel protocol data to pass through the Servermap table

Question 5

The session-based stateful inspection firewall has different processing flows for the first packet and subsequent packets. Which of the descriptions of the flow is correct? (Multiple choice)

A. When the stateful inspection mechanism is enabled, when the firewall processes TCP packets, only SYN packets can establish a session.
B. When a packet arrives at the firewall, it will look up the session table. If there is no match, the firewall will process the first packet.
C. When the state check mechanism is turned on, subsequent packets also need to be checked for security policies.
D. When the packet reaches the firewall, it will look up the session table, and if it matches the firewall, the subsequent packet processing process will be performed.

Solutions: