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| Section | Weight | Objectives |
|---|---|---|
| Wireless Network Operation | 20% | - Initial configuration and setup - AP discovery and joining process - WLAN configuration and policies |
| Monitoring, Management, Automation and AI | 15% | - Automation and AI-driven operations - Management platforms and APIs - Monitoring tools and protocols |
| Radio Frequency Fundamentals | 15% | - Interference and mitigation - Signal propagation and coverage - RF principles and characteristics |
| Client Connectivity Configuration | 15% | - Roaming and mobility - Authentication and encryption methods - Client troubleshooting |
| 802.11 Technology Fundamentals | 15% | - Standards and amendments - Frame types and formats - Channel access and transmission |
| Wireless Infrastructure Implementation | 20% | - Hardware components and connections - Management access and security - Controller and AP deployment |
ShikenPASSは客様の要求を満たせていい評判をうけいたします。たくさんのひとは弊社の商品を使って、350-101試験に順調に合格しました。
質問 # 27
What is the purpose of YANG when used with the NETCONF protocol in the context of Cisco wireless controllers?
正解：C
解説：
YANG (Yet Another Next Generation) is a data modeling language primarily used in conjunction with the NETCONF (Network Configuration Protocol) to model configuration and operational data for network devices, including Cisco wireless controllers. YANG is a human-readable, hierarchical language designed to define the structure of data, allowing for consistent representation of configuration parameters, operational state, and notifications. It is extensively used in network automation and management systems to ensure standardized configuration management across various devices, making it easier for network administrators to automate and configure network devices using NETCONF.
NETCONF is the protocol that facilitates the transport of these data models (defined in YANG) between network devices and management systems. YANG's role is to define the structure and constraints of the data that NETCONF will configure or retrieve from devices. This allows administrators to configure network devices programmatically while adhering to a standardized data structure, which is essential for scalability, automation, and integration across various systems.
Options B, C, and D do not describe the actual purpose of YANG in the context of NETCONF and Cisco wireless controllers. Option B describes a security protocol (which could be TLS or SSH), Option C refers to protocols like RESTCONF, and Option D is incorrect because YANG is not a scripting language but a data modeling language.
質問 # 28
Refer to the exhibit.
import requests
import json
API_ENDPOINT_URL = "https://your-network-platform.com/api/v1/wireless-clients" AUTH_TOKEN = "YOUR_SECRET_AUTH_TOKEN" headers = {
"Content-Type": "application/json",
"Authorization": f"Bearer {AUTH_TOKEN}"
}
print("Requesting wireless client data from the API...")
try:
response = requests.get(API_ENDPOINT_URL, headers=headers, timeout=10)
response.raise_for_status()
client_data = response.json()
print("Successfully retrieved and parsed data.\n")
print("--- Wireless Client Details ---")
if isinstance(client_data, list) and client_data:
for client in client_data:
mac_address = client.get("macAddress", "N/A")
ip_address = client.get("ipAddress", "N/A")
ssid = client.get("ssid", "N/A")
print(f"Client MAC: {mac_address}, IP: {ip_address}, SSID: {ssid}")
else:
print("No client data found or the data format is unexpected.")
except requests.exceptions.RequestException as e:
print(f"An error occurred during the API request: {e}")
except json.JSONDecodeError:
print("Failed to parse the API response. It may not be valid JSON.")
A network engineer is investigating how json library is used within a Python script designed to access response content from a Cisco wireless network API endpoint. The engineer wants to better understand how the script uses these elements to process device information. Which approach does the script use to achieve its data extraction goal?
正解：D
解説：
The correct answer isloads functionbecause the script's extraction goal depends on deserializing JSON response data into native Python objects that can be indexed and queried. Cisco Catalyst Center APIs use REST methods and require payloads to and from the REST interface to be in JSON format, including wireless and client information workflows. In the exhibit, the call client_data = response.json() decodes the HTTP response body into Python data structures. That behavior is functionally aligned with json.loads(): JSON objects become Python dictionaries, JSON arrays become Python lists, and strings/numbers become Python- native equivalents. Python's JSON decoder documentation shows this JSON-to-Python conversion model explicitly, including object-to-dict and array-to-list mappings.
After decoding, the script validates that client_data is a list, iterates through each client record, and uses dictionary .get() to extract macAddress, ipAddress, and ssid. The Requests library documents that Response.
json() decodes a JSON response body as a Python object and may return a dictionary or list, which is exactly what the script consumes. dumps performs the opposite operation, split only tokenizes strings, and to_dict is not used here. Reference topic:Automation and AI - REST APIs, JSON parsing, wireless client telemetry extraction, and Python-based network automation.
質問 # 29
What happens when a radio wave bends around objects?
正解：A
解説：
When a radio wavebends around an obstaclein its path, this phenomenon is calleddiffraction. Diffraction allows the RF signal to reach areas that are not in the direct line of sight of the transmitter, such as behind walls, corners, or other obstructions. The amount of bending depends on the wavelength of the signal relative to the size of the obstacle-longer wavelengths (lower frequencies) diffract more effectively than shorter wavelengths.
This property is crucial in wireless network design, especially in enterprise or mesh deployments, because it enables coverage in complex indoor environments and around obstructions where direct line-of-sight communication is impossible. Diffraction differs from other RF phenomena:absorption(option A) occurs when RF energy is partially absorbed by materials, reducing signal strength;diffusion(option B) refers to scattering of the signal in multiple directions; andreflection(option C) occurs when RF waves bounce off surfaces like walls or ceilings, which can lead to multipath interference.
Cisco wireless design guides emphasize understanding diffraction forcoverage planning, AP placement, and optimizing signal propagationin indoor and campus deployments, ensuring that signals can adequately reach shadowed or obstructed areas without excessive loss or dead spots. Reference topic:RF Fundamentals - diffraction, reflection, absorption, and indoor wireless propagation.
質問 # 30
Which condition is required for a line-of-sight RF connection?
正解：D
質問 # 31
Refer to the exhibit. A retail business is deploying guest wireless across its remote branch locations. Each branch uses FlexConnect APs in local switching mode, and the central wireless LAN controller is configured with an ACL named CWA_REDIRECT. Cisco ISE is configured to return this ACL during the authentication process for central web authentication (CWA). However, when clients attempt to connect to the guest wireless LAN, they are added to the exclusion list. Which configuration step resolves the connectivity issue?
正解：B
質問 # 32
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