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Huawei HCSP-Presales-Data Center Network Planning and Design V1.0 Sample Questions:

1. All-flash data centers accelerate enterprise digital transformation, and SSD has gradually become the mainstream in the market.

A) TRUE
B) FALSE

2. Which of the following nodes allows tenant access to a VXLAN network and intra-subnet communication on the network?

A) Layer 2 VXLAN gateway
B) Layer 3 VXLAN gateway
C) Centralized VXLAN gateway
D) Default VXLAN gateway

3. (Reliability design is important for the physical network design of a data center. Which of the following are true about reliability design principles?)

A) Server link reliability: One server is dual-homed to two server leaf nodes, and NICs on a server work in load balancing or active/standby mode. If one server link fails, services are switched to the redundant or standby link.
B) Uplink reliability of leaf nodes: ECMP is implemented between leaf and spine nodes through multiple links.
C) Peer-link fault: When the peer-link in an M-LAG fails, the DAD mechanism prevents dual master devices on the network and improves reliability.
D) When modular switches are deployed on the network, the inter-card connection is recommended for uplinks and downlinks, stack link, and peer-link of modular switches to implement card-level reliability.

4. Which of the following statements is false about the underlay network?

A) The underlay network is not used for Layer 3 route reachability.
B) The underlay network is the bearer plane of the VXLAN network.
C) The underlay network consists of NVEs running VXLAN and devices that only forward IP packets.
D) The underlay network has an independent forwarding plane (which usually uses IPv4) and an independent control protocol (which is usually OSPF and EBGP).

5. An underlay network is a bearer network consisting of physical devices, such as TOR switches, aggregation switches, core switches, LBs, and firewalls.

A) TRUE
B) FALSE

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