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Which of the following are pain points of customers?
Customer pain points in transmission and access contexts (e.g., DCI, POL) are well-documented in HCSA-Sales-Transmission & Access:
High cost (B): Rising bandwidth and leased line costs are a universal concern across industries.
Difficult O&M (D): Complex operations and maintenance challenge customers, especially in DCI or legacy LANs.
High Availability (A): This is a requirement, not a pain point; customers seek it rather than suffer from it.
Frequent stock transactions (C): A financial sector need, not a general pain point in transmission/access.
Thus, B and D are the verified pain points.
Which of the following are advantages of self-built DCI?
A self-built Data Center Interconnect (DCI) provides several advantages:
High Efficient O&M -- With self-built DCI, enterprises have full control over network monitoring, fault management, and performance optimization, reducing dependency on external providers.
Service Rollout on Time -- Unlike leased lines, a self-built DCI network allows rapid service deployment without waiting for telecom operators, improving efficiency.
Guaranteed Quality -- While a self-built network offers more control, it does not always guarantee quality compared to carrier-grade leased lines with SLAs (Service Level Agreements).
Thus, the correct answer is A and C.
HCSA-Sales-Transmission & Access Official Documentation -- DCI Deployment Models
Huawei DCI White Paper -- Benefits of Self-Built DCI Networks
PON is short for Passive Optical Network. It is a point-to-multipoint (P2MP) access mode.
PON, or Passive Optical Network, is a telecom technology that uses fiber optics and passive components (e.g., splitters) to deliver broadband access. According to HCSA-Sales-Transmission & Access documentation, PON operates in a point-to-multipoint (P2MP) topology, where a single Optical Line Terminal (OLT) at the service provider's end connects to multiple Optical Network Units (ONUs) or Optical Network Terminals (ONTs) at customer premises via a shared optical distribution network (ODN). This distinguishes it from point-to-point (P2P) systems, which dedicate a fiber per user. The statement accurately describes PON's definition and architecture, making it TRUE.
Huawei OptiXaccess brand represents ONU series product.
Huawei's OptiXaccess brand encompasses a broader range of access network solutions, not just ONUs. HCSA-Sales-Transmission & Access materials describe OptiXaccess as including OLTs, ONUs, and related PON equipment for enterprise and residential access, not solely the ONU series. The statement's narrow scope is incorrect, making it FALSE.
Customer pain point: Difficult O&M. DC maintenance engineers are inexperienced in network planning and the maintenance of CT devices.
Difficult O&M is a pain point in DCI, per HCSA-Sales-Transmission & Access. Inexperienced engineers struggling with network planning and CT (communication technology) device maintenance exacerbate this, aligning with DC908's simplified O&M focus, making the statement TRUE.
