ETCP OSS and Network Management 1 — Questions and Answers
Question 1: What does Ericsson's OSS (Operations Support System) primarily enable operators to do?
- Bill subscribers for services
- Monitor, configure, and manage network elements across the RAN and core (Correct answer)
- Develop mobile applications
- Manage retail store inventory
Correct answer: Monitor, configure, and manage network elements across the RAN and core
Ericsson's OSS provides centralized tools for network monitoring, fault management, configuration management, and performance management across the operator's infrastructure.
Question 2: What is the primary role of Ericsson's Network Manager (ENM)?
- To provide customer-facing billing portals
- To centralize FCAPS network management for Ericsson network elements (Correct answer)
- To generate marketing analytics from network data
- To manage IT server infrastructure
Correct answer: To centralize FCAPS network management for Ericsson network elements
Ericsson Network Manager (ENM) provides Fault, Configuration, Accounting, Performance, and Security (FCAPS) management for Ericsson RAN, transport, and core nodes.
Question 3: In ENM, what does the 'CM' (Configuration Management) function allow operators to do?
- Monitor real-time call quality
- Read and modify network element configurations programmatically (Correct answer)
- Generate subscriber billing records
- Manage firewall rule sets
Correct answer: Read and modify network element configurations programmatically
Configuration Management in ENM allows operators to read, modify, and audit the parameters of network elements (NEs) from a central interface.
Question 4: Which Ericsson OSS component is responsible for collecting and presenting network performance KPIs?
- PM (Performance Management) service in ENM (Correct answer)
- Ericsson Charging System
- Radio Dot System manager
- Site Installation Manager
Correct answer: PM (Performance Management) service in ENM
The Performance Management service in ENM collects performance counters and KPIs from network elements and presents them in reports and dashboards.
Question 5: What is the purpose of Ericsson's Alarm Management in ENM?
- To schedule preventive maintenance windows
- To receive, correlate, and display faults from network elements in real time (Correct answer)
- To configure subscriber service plans
- To manage software upgrade schedules
Correct answer: To receive, correlate, and display faults from network elements in real time
Alarm Management collects alarms from NEs, correlates related events to reduce noise, and presents active faults to operators for timely resolution.
Question 6: In Ericsson's model-driven OSS approach, what is a Network Resource Model (NRM)?
- A physical rack diagram of a data center
- A formal data model that describes the managed objects and attributes of a network element type (Correct answer)
- A cost model for network capacity planning
- A software module for IP address management
Correct answer: A formal data model that describes the managed objects and attributes of a network element type
An NRM defines the managed object classes, attributes, and relationships for a specific NE type, enabling standardized CRUD operations from the OSS.
ETCP OSS and Network Management 1
What does Ericsson's OSS (Operations Support System) primarily enable operators to do?