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| Section | Objectives |
|---|---|
| Nokia fixed access portfolio | - Lightspan FX and MF Optical Line Terminals - Home networking devices - Optical Network Terminals (ONTs) - FastMile FWA solutions |
| Fixed network architectures and broadband access | - Fixed Wireless Access (FWA) - Broadband network architecture - FTTH and FTTx technologies - Passive Optical Networks (PON) - Optical Distribution Network (ODN) |
| Software Defined Access Network (SDAN) | - Altiplano Access Controller - Subscriber and service management - Network topology and service health - Corteca platform |
| Management interfaces and automation | - NETCONF - YANG data models - CLI fundamentals - Telemetry and automation concepts |
| Service delivery and operations | - High-Speed Internet (HSI) - Network monitoring and troubleshooting - Service provisioning - Voice, Internet and IPTV services |
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NEW QUESTION # 34
Which Altiplano intent is used to define the uplink interfaces that connect an OLT toward the aggregation network?
Answer: C
NEW QUESTION # 35
Which architectural principle is fundamental to Software-Defined Networking?
Answer: B
Explanation:
A central principle of Software-Defined Networking is the separation of control logic from packet-forwarding functions. The data plane remains responsible for forwarding traffic, while logically centralized control software determines policies and programs network behavior through defined interfaces. Logically centralized does not necessarily mean that all controller functions run on one physical server; they may be distributed for scalability and resilience while presenting a coordinated control view. SDN emphasizes programmability, automation, abstraction, and the use of APIs. It does not require every forwarding device to independently make all high-level policy decisions. It also avoids tightly coupling every function into one fixed proprietary system. In fixed-access networks, these concepts help operators automate service delivery and manage different access devices through common models and controller applications.
NEW QUESTION # 36
A network controller must modify configuration data stored on a NETCONF-capable access device. Which NETCONF operation is designed for this purpose?
Answer: A
Explanation:
The NETCONF <edit-config> operation is used to create, change, merge, replace, or delete configuration data in a target configuration datastore. The target can be a datastore such as running or candidate, depending on the capabilities supported by the network device. By comparison, <get-config> retrieves configuration data and does not modify it. <close-session> requests an orderly termination of the current NETCONF session, while <kill-session> forces the termination of another session identified by its session ID. NETCONF operations are carried within RPC messages and commonly transported over a secure protocol such as SSH. YANG models define the structure, types, constraints, and relationships of the configuration and operational data manipulated through NETCONF.
NEW QUESTION # 37
What is the primary function of the cladding in an optical fiber?
Answer: B
NEW QUESTION # 38
A residential gateway ONT provides routed Internet access to devices in a subscriber's home. Which DHCP role does it normally perform on the home LAN?
Answer: B
Explanation:
A Layer 3 residential gateway normally operates as a DHCP server on the subscriber's home LAN. It assigns private IP addresses and other configuration information, such as the default gateway and DNS server addresses, to connected devices. On its network-facing WAN interface, the gateway may operate as a DHCP client to obtain service parameters from the operator's network. These two DHCP roles must not be confused. The gateway also commonly performs routing, Network Address Translation, firewall enforcement, and local Ethernet or Wi-Fi connectivity. The OLT transports and controls subscriber access traffic but does not normally allocate private LAN addresses directly to individual home devices. This architecture separates the operator-facing connection from the subscriber's private local network and allows multiple home devices to share the broadband service.
NEW QUESTION # 39
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