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| Section | Objectives |
|---|---|
| Topic 1: Nokia fixed access portfolio | - Home networking devices - Lightspan FX and MF Optical Line Terminals - Optical Network Terminals (ONTs) - FastMile FWA solutions |
| Topic 2: Management interfaces and automation | - NETCONF - CLI fundamentals - Telemetry and automation concepts - YANG data models |
| Topic 3: Fixed network architectures and broadband access | - Optical Distribution Network (ODN) - Broadband network architecture - Fixed Wireless Access (FWA) - FTTH and FTTx technologies - Passive Optical Networks (PON) |
| Topic 4: Service delivery and operations | - Network monitoring and troubleshooting - Service provisioning - Voice, Internet and IPTV services - High-Speed Internet (HSI) |
| Topic 5: Software Defined Access Network (SDAN) | - Corteca platform - Subscriber and service management - Altiplano Access Controller - Network topology and service health |
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NEW QUESTION # 16
Which Altiplano intent is used to define the uplink interfaces that connect an OLT toward the aggregation network?
Answer: B
NEW QUESTION # 17
What is the primary function of the cladding in an optical fiber?
Answer: A
NEW QUESTION # 18
Which transport protocol is commonly used to provide a secure connection for NETCONF sessions?
Answer: C
Explanation:
NETCONF is commonly transported over Secure Shell, which provides encryption, integrity protection, and peer authentication for the management session. After establishing the secure transport connection, the client and server exchange NETCONF capabilities and use RPC messages to retrieve or modify device data. IGMP manages IPv4 multicast group membership and does not provide a secure management transport. ARP resolves IPv4 addresses to Layer 2 hardware addresses within a local network. SIP establishes and manages communication sessions such as voice calls. Although NETCONF can conceptually operate over supported secure transports, NETCONF over SSH is the widely recognized deployment model. Secure transport is particularly important because NETCONF can expose operational information and perform configuration changes that materially affect access-network devices and subscriber services.
NEW QUESTION # 19
A QoS policy examines a packet's markings and assigns it to a forwarding class. Which QoS function is being performed?
Answer: B
Explanation:
Classification examines packet information and determines how the packet should be treated by the QoS system. The decision can use fields such as VLAN priority, Differentiated Services Code Point, protocol information, or interface context. After classification, the packet is assigned to an appropriate forwarding class and queue so that scheduling, congestion management, and other policies can provide the intended treatment. Shaping controls an outgoing rate by buffering excess traffic, while policing enforces a traffic profile by dropping or remarking nonconforming packets. Optical amplification increases optical signal power and is unrelated to packet classification. Effective classification is essential when a fixed-access network carries services with different requirements, such as voice, IPTV, management traffic, and best-effort Internet access.
NEW QUESTION # 20
An optical link experiences unexpectedly high signal loss immediately after a fiber cable is routed around a very tight corner. What is the most likely cause?
Answer: C
Explanation:
Macrobending occurs when an optical fiber is bent with a radius smaller than its supported minimum bend radius. The excessive bend can cause part of the optical signal to escape from the core, increasing attenuation and reducing the received optical power. This problem can appear after poor cable installation, improper storage, or routing the cable sharply around structural objects. Chromatic dispersion causes different wavelengths or spectral components of an optical pulse to travel at slightly different speeds, but it is not normally triggered by one tight physical corner. DSL crosstalk applies to copper pairs, while Dynamic Bandwidth Allocation controls upstream transmission opportunities in a PON. Correcting the cable routing and respecting the specified bend radius can remove or reduce the loss.
NEW QUESTION # 21
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