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NEW QUESTION # 28
FastWrite improves performance by 30%.
How many kilometers between active-active data centers can this improvement be applied to? (Multiple choice)
- A. 50 km
- B. 0 km
- C. 100 km
- D. 20 km
Answer: A,C
NEW QUESTION # 29
Which is NOT the arbitration granularity supported by HyperMetro arbitration?
- A. HyperMetro LUN pair
- B. HyperMetro vStore consistency group
- C. HyperMetro LUN consistency group
- D. HyperMetro vStore pair
Answer: B
NEW QUESTION # 30
Which of the following statements about the Leader AP feature is incorrect?
- A. The leader AP establishes a CAPWAP tunnel with the fit AP
- B. In tunnel forwarding mode the leader AP can manage more Fit APs.
- C. In direct forwarding mode user traffic is directly transmuted from the AP egress rather than from the leader AP
- D. In tunnel forwarding mode, user traffic needs to pass through the leader AP
Answer: A
Explanation:
Explanation
The leader AP does not establish a CAPWAP tunnel with the fit AP. The leader AP communicates with the fit AP through the management VLAN, and the fit AP establishes a CAPWAP tunnel with the AC. In tunnel forwarding mode, user traffic needs to pass through the leader AP. In direct forwarding mode, user traffic is directly transmitted from the AP egress rather than from the leader AP. In tunnel forwarding mode, the leader AP can manage more fit APs than in direct forwarding mode.
NEW QUESTION # 31
Which of the following statements about basic concepts in data center network is incorrect?
- A. The overlay technology is a tunnel encapsulation technology, such as VXLAN The basic principle is that packets are encapsulated in tunnel encapsulation mode, transparently transmitted on the underlying network, and then decapsulated to obtain original packets after reaching the destination. This is equivalent to a network overlay (overlay) on the underlying network.
- B. The underlay network is a bearer network consisting of various physical devices, such as TOR switches, aggregation switch core switches, load balancing devices and firewalls
- C. A leaf node is a fabric network function access node and provides various network devices to access a VXLAN network
- D. Spine nodes are core nodes on the fabric network. They provide high-speed IP forwarding and conned to leaf nodes using high-speed interfaces in any scenario, spine nodes do not need to support VXLAN
Answer: D
Explanation:
Explanation
Spine nodes are core nodes on the fabric network, but they do need to support VXLAN in some scenarios.
According to the Data Center Networking: What It Is, Why It Matters, And Types article, VXLAN is a tunnel encapsulation technology that allows overlay networks to be created on top of the underlay network. Spine nodes need to support VXLAN when they act as gateways between different overlay networks or between overlay and underlay networks.
NEW QUESTION # 32
In which storage produces are LUNs not bound to controllers? (Multiple choice)
- A. EMC PowerMAX/VMAX
- B. Huawei OceanStor Dorado V6
- C. HDS F1500
- D. HDS G5000
- E. EMC Unity
Answer: A,B,D
NEW QUESTION # 33
Which replication link types do Huawei active-active (HyperMetro) solution support? (Multiple choice)
- A. Fiber Channel
- B. IP
- C. SAS
- D. InfiniBand
Answer: A,B
NEW QUESTION # 34
Which technology does FusionStorage HyperSnap run on?
- A. ROW
- B. COW
Answer: A
NEW QUESTION # 35
Which of the following models supports expansion of up to 32 controllers?
- A. OceanStor Dorado 6000 V6
- B. OceanStor Dorado 3000 V6
- C. OceanStor Dorado 5000 V6
- D. OceanStor Dorado 18000 V6
Answer: D
NEW QUESTION # 36
Which statement about the ROW technology for OceanStor V5 is true?
- A. ROW-based snapshots do not have extra data copies, and therefore the performance is better.
- B. One of the advantages of ROW is that it does not easily generate data fragments
- C. Block snapshots use the ROW technology
Answer: A
NEW QUESTION # 37
In an OceanStor Dorado V6 Architecture with two controller enclosures and eight controllers, which scenarios are supported for high availability? (Multiple Choice)
- A. Tolerance of simultaneous failures for seven controllers
- B. Tolerance of simultaneous failures of any two controllers
- C. Tolerance of a single controller enclosure failure
- D. Tolerance of simultaneous failures for any three controllers
Answer: B,D
NEW QUESTION # 38
In which storage produces are LUNs not bound to controllers? (Multiple choice)
- A. EMC PowerMAX/VMAX
- B. Huawei OceanStor Dorado V6
- C. HDS F1500
- D. HDS G5000
- E. EMC Unity
Answer: A,B,D
NEW QUESTION # 39
Which problems can continuous mirroring solve? (Multiple Choice)
- A. Two controllers fail at an interval of 10 seconds.
- B. Two controllers fail at an interval of 20 minutes.
- C. Two controllers fail at the same time
- D. The customer has not replaced it within 10 days after the controller fails.
Answer: A,B,C,D
NEW QUESTION # 40
Which of the following features make OceanStor capable of storing PACS data over a 15-year period? (Multiple choice)
- A. Security and reliability
- B. Elastic scalability
- C. Intelligent lifecycle management
- D. Simplified management
Answer: A,B,C,D
NEW QUESTION # 41
Enabling the Fast Write function of replication links between storage arrays can reduce the amount of data to be transmitted by 50%
- A. True
- B. False
Answer: A
NEW QUESTION # 42
Dorado V3 (same with Dorado V6) supports three kinds of RAID types _____, and the default RAID type is ______, while _____ supports triple disk failure.
- A. RAID-5/RAID-6/RAID-10; RAID-5; RAID-10
- B. RAID-5/RAID-6/RAID-TP; RAID-5; RAID-TP
- C. RAID-5/RAID-6/RAID-TP; RAID-6; RAID-TP
Answer: C
NEW QUESTION # 43
Which of the following chips are part of the Dorado V6 in addition to Dorado V3's self-developed chips? (Multiple choice)
- A. AI chip
- B. CPU chip
- C. BMC chip
- D. SSD controller chip
- E. Multi-protocol interface chip
Answer: A,B,C,D,E
NEW QUESTION # 44
What is the purpose of using sequential I/Os to overwrite all LUNs before testing Dorado performance?
- A. To provide better performance
- B. To ensure that all space of thin LUNs is allocated so read performance is close to that in actual scenarios
- C. To ensure correct deduplication and compression ratios
Answer: A
NEW QUESTION # 45
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