Telecommunications Business, Billing & Project Management Flashcards
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In telecommunications, what is 'dark fiber' and why might an enterprise choose to lease it?
Answer: Installed fiber optic cable that carries no active signal, leased to customers who provide their own optical equipment for full control over capacity and protocols
Dark fiber gives enterprises or carriers raw fiber they can light with their own DWDM or Ethernet equipment, offering unlimited bandwidth scalability and protocol flexibility.
What is 'managed services' in the telecom context and how does it differ from purchasing equipment outright?
Answer: Managed services means the provider operates and maintains the telecom infrastructure (WAN, UC, security) on the customer's behalf, typically under an OPEX subscription model
Managed services transfer operational responsibility (monitoring, maintenance, upgrades) to the provider, freeing enterprise customers from managing complex telecom infrastructure while converting CAPEX to predictable OPEX.
What is an 'interconnection agreement' between two telecommunications carriers?
Answer: A contract governing how two carriers exchange traffic, including technical arrangements, routing rules, and financial settlement terms
Interconnection agreements define how carriers connect their networks, how they route each other's traffic, and how they settle financially for the traffic exchanged (e.g., reciprocal compensation).
What is 'universal service' in US telecommunications policy, and which fund supports it?
Answer: The policy goal of making affordable basic telecommunications services available to all Americans, supported by the FCC's Universal Service Fund (USF)
Universal service ensures access to telecommunications for rural, low-income, and high-cost areas; the USF collects fees from carriers and distributes subsidies through programs like E-Rate, Lifeline, and Connect America.
In project management for telecom deployments, what is a 'critical path'?
Answer: The sequence of dependent tasks that determines the minimum possible project duration; any delay on the critical path delays the entire project
The critical path method (CPM) identifies the longest chain of dependent tasks; delaying any critical path task directly extends the project completion date.
What is the purpose of a 'Statement of Work' (SOW) in a telecommunications services contract?
Answer: A document that clearly defines the specific services to be performed, deliverables, timelines, responsibilities, and acceptance criteria for a telecom project or service
The SOW establishes exactly what a vendor will deliver and under what conditions, forming the technical and operational backbone of a telecom services contract.