Border Gateway Protocol (BGP) is used to dynamically exchange routing information between ASs.
Which of the following is not a type of protocol packets used in the BGP working process?

• A.Update
• B.Open
• C.Notification
• D.Hello

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Which of the following roles is unnecessary for the control nodes of Huawei FusionSphere OpenStack?

• A.measure
• B.sys-server
• C.controller
• D.auth

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If the status of a VM is unknown, the management system cannot identify the actual status of the VM.
Which of the following scenarios may lead to the unknown state of the VM? (Multiple Choice)

• A.The virtualization type of the availability zone (AZ) where the VM is located is VMware.
• B.The nova-compute service in the OpenStack is abnormal
• C.The network of the VM host is disconnected from the management system, but the VM is running properly.
• D.The VM host is powered off, and the VM cannot work properly.

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Which of following statements regarding E 9000 blade servers are true? (Multiple Choice)

• A.The E9000 CH222 (full-width) supports 15 2.5-inch disks, which provides a leading storage capacity per slot.
• B.An E9000 blade server provides a half-width storage resource expansion module, which is integrated with a half-width compute node to form a full-width compute node, integrating storage and computing resources.
• C.A single enclosure supports 32 2P nodes and 64 Romely EP 130W CPUs.
• D.The backplane switching capacity is 15.6Tbit/s, and evolution from 10GEto40GEor100GEis supported, protecting customers' investment.

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