Changed H31-341_V2.5 Exam Questions

When a GE (Gigabit Ethernet) service is encapsulated into an OTN frame or an SDH frame structure, the client-side alarms reported are not different; they are consistent regardless of the encapsulation method. This consistency ensures reliable fault detection and service monitoring across different transport technologies. HCIP-Transmission specifies that client alarms depend on service and interface definitions rather than the underlying framing, ensuring seamless interoperability and troubleshooting in multi-protocol environments.

A break in the shared fiber link causes loss of optical power in both transmit and receive directions, triggering optical loss alarms on OA and OSC boards at both ends.

OTN overhead (ODUk/OTUk) belongs to the OTN layer, not the optical layer, so OOS overheads do not include OTN overhead.

In E-Line services, user-side interfaces are typically UNIs (User Network Interfaces), and network-side interfaces are NNIs (Network-to-Network Interfaces). Also, user-side interfaces are generally Layer 2 ports, whereas network-side interfaces are Layer 3 ports. This distinction facilitates proper service access and network integration. The user side provides services to clients, while the network side connects different network segments or devices. This layering and interface classification are essential concepts in HCIP-Transmission for service provisioning and network architecture design.