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NEW QUESTION 15
Commonly used data backup methods include full backup, incremental backup and differential backup. The order of data recovery speed from fast to slow is
- A. Differential backup, incremental backup, full backup
- B. Full backup, differential backup, incremental backup
- C. Incremental backup, differential backup, full backup
- D. Full backup, incremental backup, differential backup
Answer: B
NEW QUESTION 16
When a company purchases a batch of storage, what factors should be considered when planning the total storage capacity? (Multiple choice)
- A. RAID
- B. Hard disk capacity
- C. IOPS
- D. LUN
Answer: A,B
NEW QUESTION 17
In the Huawei SDN solution, which of the following description of the deployment architecture of the vDC active/standby disaster recovery scenario is wrong?
- A. The networking architecture of multiple DCs can be different.
- B. Support both network virtualization and cloud network integration scenarios
- C. Multiple DC calculations and networks are unified resource pools
- D. Multiple DCs are end-to-end VXLAN domains
Answer: A
NEW QUESTION 18
An abnormal alarm about the available partition data status is found in the daily monitoring of ServiceCenter. Which of the following is the possible causes?
- A. The user has deleted the corresponding available partition under FusionSphere OpenStack connected to the ServiceCenter.
- B. Modified the domain name of FusionSphere OpenStack and synchronized the domain name of ServiceCenter
- C. Access component management process service terminated or database inaccessible
- D. ServiceCenter cloud resource pool connection status is abnormal.
Answer: C
NEW QUESTION 19
ManageOne (SC) is responsible for disaster recovery management, and implements related functions such as service protection configuration, failover, and disaster recovery drills.
- A. True
- B. False
Answer: B
NEW QUESTION 20
In the Huawei SDN solution, which of the following description of the VXLAN Overlay network is correct? (Multiple choice)
- A. leaf and Spine in Host Overlay centralized gateway is IP Forwarding
- B. The VSwitch in the Host Overlay Distributed Gateway is VXLAN L3 Routing.
- C. Spine or Edge in the Network Overlay Distributed Gateway is VXLAN L3 Routing
- D. Spine or Edge in Network Overlay centralized gateway is VXLAN L3 Routing
Answer: B,D
NEW QUESTION 21
The peak write bandwidth of an application is 10MB/s, the average write bandwidth is 200KB/S, and the average write IO size is 4KB (the overhead of private information is about 11%, and the bandwidth utilization is 70%). IP networking is used and set for asynchronous replication mode (which can ignore the overhead of private information), what should the network bandwidth be greater than required?
- A. 128Mbps
- B. 2.23Mbps
- C. 89Mbps
- D. 135Mbps
Answer: B
NEW QUESTION 22
The following is about the customer's attention to SDN, which is the correct? (Multiple choice)
- A. Support new network services to go online quickly through SDN
- B. Application-level business visibility through SDN
- C. Automate the delivery of network services through SDN
- D. High reliability of services through SDN
Answer: A,B,C,D
NEW QUESTION 23
The following description of the cloud network integrated cloud host service flow, which is wrong?
- A. The traffic from the firewall to the Service Leaf is VLAN encapsulation.
- B. The cloud host accesses the public network traffic, and NAT is performed on the Public firewall.
- C. The traffic inside the fabric is all VXLAN encapsulation.
- D. The traffic between the virtual machine switch and the ToR is VLAN encapsulation.
Answer: B
NEW QUESTION 24
In the cloud data center disaster recovery management design, which is the network plane used for the disaster recovery of the ManageOne SC?
- A. Storage network plane
- B. External_OM
- C. Internal network plane
- D. External_API
Answer: D
NEW QUESTION 25
Which of the following description is wrong about APT defense program?
- A. CIS conducts threat correlation analysis based on big data, which provides strong support for APT prevention.
- B. APT attacks can also penetrate from the intranet.
- C. Sandbox is the last line of defense for APT prevention.
- D. As long as the firewall and CIS are linked, the purpose of preventing APT can be achieved.
Answer: D
NEW QUESTION 26
In the Huawei SDN solution network virtualization scenario, the SDN controller can support docking of VMware vCenter and Microsoft SystemCenter.
- A. False
- B. True
Answer: B
NEW QUESTION 27
The cloud network uses OVS as a software switch to connect to the Leaf.Which of the following OVS bridges in FusionSphere OpenStack completes the encapsulation of tenant traffic VLANs?
- A. br-tun
- B. br-cps
- C. ply-br
- D. br-1
Answer: B
NEW QUESTION 28
Which of the following description of the challenges for the cloud data center network is wrong?
- A. Cloud data center requires the device to fully support forwarding control separation
- B. Big data requires big pipes
- C. Business innovation requires network agility
- D. Diversification requires an open network
Answer: A
NEW QUESTION 29
In the following Huawei SDN solution, which of the following description of the application scenarios of the three Overlay networks are incorrect?
- A. Network Overlay is applicable to the scenario where the virtualization server/physical server accesses the Overlay network at the same time.
- B. Network Overlay is suitable for private cloud users who have high requirements for forwarding performance, operation and maintenance, and security.
- C. Host Overlay is suitable for only virtualized server access.
- D. Hybrid Overlay is for users with large tenants.
Answer: D
NEW QUESTION 30
The following is about deploying a network perimeter security solution, which is the correct description? (Multiple Choice)
- A. Anti-DDoS is mainly used to prevent traffic-type attacks. The impact of single-packet attacks is small. You can use the firewall to completely prevent them.
- B. NGFW is deployed at the exit location to isolate services and protect north-south traffic.
- C. Anti-DDoS is deployed on the uplink and downlink of firewall has little impact on the business.
- D. Anti-DDoS is deployed on the uplink of firewall. While protecting the server, it also protects the firewall from carrying large traffic and causing export congestion.
Answer: B,D
NEW QUESTION 31
In Huawei SDN solution, which is wrong with the disaster recovery description of vDC active/standby disaster recovery scenario?
- A. Multiple sets of VMM are deployed by each DC
- B. To improve the reliability of OpenStack, deploy cross DC clusters
- C. Remote management of multiple DC by a set of OpenStack clusters
- D. Remote management of multiple DC by a set of AC clusters
Answer: A
NEW QUESTION 32
In a cloud data center scenario, network isolation between tenants is required to ensure security and avoid attacks. Which of the following description about network isolation measures is wrong?
- A. When a multi-tenant shares cluster resources, the virtualized network uses VLANs for Layer 2 isolation.
- B. When multi-tenant shares cluster resources, for management reasons, port isolation and Layer 3 isolation do not need to be deployed at the same time.
- C. Each tenant enjoys exclusive cluster resources for physical network isolation.
- D. When multi-tenant shares cluster resources, VPN isolation can be used as needed in the data center Layer 3 network.
Answer: C
NEW QUESTION 33
What is the correct description about the security group? (Multiple Choice)
- A. A network card of a virtual machine can only be configured with one security group.
- B. The security group allows traffic to flow in and out of the instance.
- C. Multiple rules can be configured in a security group.
- D. By default, other security groups can access this security group.
Answer: B,C
NEW QUESTION 34
The object storage client sends an access request to the B1.R1.hws.com domain name, and queries the Local DNS server. If the local DNS server does not save the resolution rule of the domain name, and then the domain name request fails.
- A. True
- B. False
Answer: B
NEW QUESTION 35
After years of operation, the IDC equipment room is fragmented and the resources of multiple edge equipment rooms can't be fully utilized. In the network virtualization scenario of Huawei SDN solution, which is the correct description of the current status of the rack rental business? (Multiple choice)
- A. The second floor of the machine room cannot achieve rack resource integration and the rack utilization is low.
- B. Currently based on rental racks, bandwidth and other basic services. Value-added services account for a small proportion.
- C. The business opening and adjustment process is long and not yet automated.
- D. Machine room interconnection through fiber optic three layers is costly.
Answer: B,C
NEW QUESTION 36
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