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Huawei H12-821_V1.0 Exam Syllabus Topics:

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:

1. The main objective of security policies is to reduce the intrusion success rate and detect attackers. To ensure that detection and prevention are performed throughout the attack lifecycle, a series of plans need to be made.
Which of the following statements is false about security policy planning?

A) Files with unknown threats can be sent to the sandbox for inspection. The firewall periodically reads the inspection result from the sandbox and blocks subsequent traffic based on the inspection result.
B) Before setting security policies, the administrator must fully understand the applications, users, and contents on the network. This is necessary for properly setting security policies so that the firewall can check the corresponding user traffic.
C) If possible, do not reference the content security profile in all security policy rules whose action is permit, so as to facilitate quick check.
D) To further reduce the attack surface, enable URL filtering and file blocking on the basis of the security policy that permits an application, so as to prevent users from accessing high-risk websites and downloading high-risk files.

2. BGP is a distance-vector protocol that implements route reachability between ASs and selects optimal routes.
Which of the following statements are true about this protocol?

A) BGP supports automatic peer discovery.
B) BGP provides various routing policies.
C) BGP does not support authentication. Therefore, it cannot ensure network security.
D) BGP uses TCP as the transport layer protocol.

3. Multicast devices do not independently maintain unicast routing information on the network. The devices must perform RPF checks on the received packets according to the unicast routing information on the network before creating PIM routing entries. If there is no unicast route to a specific destination, the RPF check fails.

A) FALSE
B) TRUE

4. On an OSPF network, an algorithm is used to prevent loops within an area, but loops may occur between areas. Therefore, OSPF defines a loop prevention mechanism for inter-area routes. Which of the following statements are true about the loop prevention mechanism?

A) All non-backbone areas must be directly connected to area 0.
B) An ABR cannot inject Type 3 LSAs that describe routes to a network segment in an area back to the same area.
C) Inter-area routes need to be forwarded through area 0.
D) Inter-area routes cannot be directly transmitted between non-backbone areas.

5. On Huawei switches, which of the following planes provides network information and forwarding entries that are mandatory for data plane forwarding?

A) Control plane
B) Data plane
C) Forwarding plane
D) Monitoring plane

Solutions: