Well if it makes you feel any better, I have used several dumps from various sites (paid) and they all have wrong answers, but those questions we learn very well from searching material etc... and actually helps retain the material. At least here there are people who are willing and able to contribute.
The correct answer is C.
The console port on a Cisco Wireless LAN Controller (WLC) is used for out-of-band management via an asynchronous transport. The console port provides a direct, physical connection to the WLC and can be used for initial configuration, troubleshooting, and recovery in case of network connectivity issues.
In contrast, in-band management refers to the management of the WLC using the same network infrastructure that is used for user traffic. This is typically done via an IP transport, such as SSH or HTTPS, and allows administrators to manage the WLC remotely.
Therefore, options A and B are incorrect as they refer to in-band management methods. Option D is also incorrect as it refers to out-of-band management via an IP transport, which is not typically done using the console port.
Chatgpt: Key Differences:
Console Port: Local connection, typically via a serial cable (like RJ-45 to USB).
Service Port: Remote network connection, using an Ethernet port.
Console port: Used for out-of-band management, system recovery, and initial boot functions;
asynchronous connection to a terminal emulator (9600 baud, 8 data bits, 1 stop bit,
by default)
An asynchronous transport in networking refers to a communication method where data is transmitted and received in an asynchronous manner. In this context, the console port on a Cisco Wireless LAN Controller (WLC) is used for out-of-band management via an asynchronous transport, meaning that data is sent and received without a synchronized clock signal.
In simpler terms, "asynchronous" in networking means that data is sent and received without a fixed time interval or specific synchronization. This is commonly used in scenarios like console access to network devices, where the data is transmitted at the sender's pace and doesn't require a constant clock signal for synchronization. This makes it suitable for scenarios where there might be varying delays between transmissions.
The correct answer ist C.
Console port: Used for out-of-band management, system recovery, and initial boot functions; asynchronous connection to a terminal emulator
Source: CCNA 200-301 Official Cert Guide, Volume 1 page 672
Console Port Connections
The controller has both EIA/TIA-232 asynchronous (RJ-45) and USB 5-pin mini Type B, 2.0 compliant serial console ports. The default parameters for the console ports are 9600 baud, 8 data bits, 1 stop bit, and no parity. The console ports do not support hardware flow control.
https://www.cisco.com/c/en/us/td/docs/wireless/controller/5500/install/guide/ctrl5500.html
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