Key Points Supports mobile or deployed operations Often uses portable and resilient systems Important in Government & Defence, emergency response, and expeditionary work Depends on portable radios, terminals, relays, and hardened links Operates in environments with power constraints, mobility challenges,…
Key Points Measures readiness for use and operational continuity Commonly expressed as uptime or service accessibility Depends on reliability and recovery design Important in infrastructure and service planning Influenced by redundancy, recovery, maintenance, and fault handling Applies across cloud services,…
Key Points Operates between autonomous systems Used for inter-domain routing Supports internet-scale route exchange Relies on policy as well as reachability Enables policy-based route control across administrative boundaries Used by service providers, enterprises with external connectivity, and networks that exchange…
Key Points Tracks cloud resource behavior Supports health and performance insight Used in operations and incident response Depends on metrics, logs, and alerts Definition Cloud Monitoring is the observation of cloud resources, services, and workloads to track health, performance, and…
Key Points Located in the microwave spectrum Common in satellite and broadcast systems Supports directional links with moderate antenna sizes Subject to weather-related attenuation Used in satellite television, satellite data, earth stations, and related RF systems Constraints include atmospheric attenuation,…
Key Points Moves logbook records electronically Supports reporting and compliance Often occurs during connectivity windows Transmission follows scheduled or event-driven upload patterns Preserves auditable history of entries Definition Electronic Logbook Transmission is the transfer of logbook records from a vessel…
Key Points Tracks firmware versions and updates Important for device compatibility and security Affects recovery and change control Used in industrial devices, network equipment, embedded systems, and operational technology Includes version tracking, update procedures, and rollback planning Definition Firmware Management…
Key Points Provides central connectivity and service routing Sits behind access and aggregation layers Handles central routing, policy, and interconnection functions Used in telecom systems, IP backbones, and service provider networks Supports service control and interconnection Definition Core Network is…
Key Points Improves data integrity and reliability Used in communication and storage systems Can recover from some corruption without retransmission Often paired with error detection Adds encoding overhead and processing cost Maximum correctable error rates are code-dependent Definition Error Correction…
Key Points Limits low-elevation signal paths Affects low-angle satellite and marine links Causes temporary signal blockage near the horizon Impacts antenna visibility and coverage acquisition More severe in maritime and elevated terrain environments Definition Horizon Masking is the obstruction or…
