If a fault cannot be rectified in a short time on a complex network but the customer needs to restore network availability immediately, which of the following actions is recommended?

• A.Set up an alternative network environment.
• B.Attempt to rectify the fault. If the fault cannot be rectified after a period of time, communicate with the customer.
• C.Communicate with the customer on skipping the faulty node, and set up an alternative network environment.
• D.Tell the customer that this is impossible.

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Which of the following causes may result in a BGP peer relationship fault?

• A.The peer ebgp-max-hop command is not configured when loopback interfaces are used to establish the EBGP peer relationship.
• B.The peer connect-interface command is not configured when loopback interfaces are used to establish the BGP peer relationship.
• C.An ACL is configured to disable TCP port 179.
• D.The peer router ID conflicts with the local router ID.

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Risky operation refers to all operations that may affect the stable running of the device/ proper running of customer services, or normal monitoring on the NMS.

• A.TRUE
• B.FALSE

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Which of the following statements regarding Huawei network optimization service (NOS) is false?

• A.Network health check enables Huawei technology experts to review the rationality, security, and scalability of the network architecture based on industry-leading optimal experience, and to provide improvement suggestions based on the assessment result.
• B.Software assessment & recommendation is a technique to assess and analyze all software platforms used by Party A in the service period. Based on the assessment result, this service can recommend a proper software version to prevent issues caused by known issues.
• C.Life cycle assessment (LCA) is a technique to check and analyze the software and hardware life cycles of devices on the live network. With LCA, specific measures are taken for products that will reach the end of sales, production, software update, or technical support, preventing life cycle-caused operation risks.
• D.Configuration assessment & optimization is a technique to develop and periodically maintain device configuration profiles based on customer requirements. Based on the periodic software assessment & recommendation result, this service applies related software features to command lines in the recommended target version, implementing refined configuration management.

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Which of the following fiber interface types is usually used on the device side?

• A.LC interface
• B.FC interface
• C.BNC interface
• D.RJ interface

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