An access point transmits at 100 mW. What is the equivalent transmit power in dBm?
Rf Fundamentals
Question · Easy
An AP feeds an antenna with +18 dBm of transmit power, the cable run is 3 dB of loss, and the antenna has 6 dBi of gain. What is the EIRP?
Chapter 1: Exam Overview & Foundation Strategy
1.1 WLCOR 350-101 Exam Structure, Blueprint & Certification Strategy
Study guide
A client receives a signal at -65 dBm and measures a noise floor of -92 dBm. What is the signal-to-noise ratio (SNR)?
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Which RF measurement, expressed in dBm, represents the power of a received signal at the receiver's antenna connector?
Which wireless propagation behavior occurs when an RF wave bends as it passes through a medium of a different density, such as a glass wall?
Question · Medium
What does the Free Space Path Loss (FSPL) formula predict?
1.2 Enterprise Wireless Architecture Evolution & Hands-On Lab Setup
Within how much of the line-of-sight path should the first Fresnel zone remain unobstructed to avoid significant additional path loss on a wireless bridge link?
Which antenna characteristic is described by the angular width between the two points where radiated power drops by 3 dB from the maximum?
An omnidirectional dipole antenna is rated at 5 dBi. What does this gain figure represent?
What is the most likely cause of high non-Wi-Fi noise on the 2.4 GHz band reported by Cisco CleanAir on a Catalyst 9800 controller?
Chapter 2: RF Fundamentals: Wave Propagation & Signal Measurements
2.1 RF Wave Behavior, Propagation Phenomena & Path Loss Modeling
A neighboring AP on the same channel and with similar RSSI causes which type of interference?
On a Catalyst 9800 WLC, which feature describes a third-party AP detected by RRM neighbor protocol that is NOT broadcasting any matching SSID and is NOT seen on the wired network?
Doubling the distance between an AP and a Wi-Fi client increases free space path loss by approximately how many dB?
An engineer uses an Ekahau or Hamina survey to measure -67 dBm coverage on the access layer for general data WLANs. What does Cisco generally recommend as the minimum primary signal strength target for voice on Wi-Fi?
2.2 RF Signal Measurements, Noise Floor & Link Quality Metrics
An AP transmits at 23 dBm. The receiver requires a minimum of -80 dBm to decode at the desired data rate, and the link path loss is calculated at 95 dB. The receiver antenna gain is 3 dBi and the transmitter antenna gain is 4 dBi with no cable loss. What is the link margin?
Question · Hard
Which organization is responsible for ratifying the IEEE 802.11 family of wireless LAN standards?
Wifi Fundamentals
Which channel set in the United States contains the only three non-overlapping 20 MHz channels available in the 2.4 GHz ISM band?
Which 5 GHz UNII band requires DFS (Dynamic Frequency Selection) to detect and avoid radar in most regulatory domains?
Chapter 3: RF Mathematics, Link Budget & Antenna Technologies
3.1 RF Mathematics, dB Decibel Rules & Link Budget Calculations
In the United States, which UNII bands in the 6 GHz spectrum are unlicensed for Wi-Fi 6E and Wi-Fi 7?
Which 802.11 frame type is used to advertise a BSS, including SSID, supported rates, and security parameters at the configured beacon interval (typically 100 TUs)?
Which Wi-Fi 7 (802.11be) feature allows a single client to transmit and receive simultaneously across two or three radios on different bands?
Wi-Fi 7 introduces 4K-QAM modulation. Compared to Wi-Fi 6's 1024-QAM, what is the maximum theoretical PHY-rate gain just from this modulation change, assuming the same channel width and spatial streams?
3.2 Antenna Theory, Radiation Patterns, Gain & Beamforming
In a 4x4:4 MIMO AP designation, what does the value after the colon represent?
Which 802.11ax/802.11be spatial-reuse feature identifies an overlapping BSS so a station can apply a different energy-detection threshold?
Which 802.11 topology forms when two stations communicate directly without an AP?
Which Cisco wireless deployment model places control plane on the WLC while data is forwarded locally at branch APs over CAPWAP?
Wireless Implementation
Chapter 4: 802.11 Standards, Governance & Spectrum Architecture
4.1 Regulatory Domains, Governance Bodies & Wi-Fi Standards Evolution
Which Cisco wireless architecture extends fabric overlays (LISP control plane, VXLAN data plane, CTS for policy) to wireless clients via the Catalyst 9800 controller and the fabric edge switches?
In a Cisco mesh deployment, which device terminates the wired Ethernet uplink and serves as the gateway to the WLC?
Which listed Cisco access point supports Wi-Fi 7 features such as 320 MHz channels in 6 GHz, 4096-QAM, and Multi-Link Operation?
Which power source lets a Catalyst 9166 operate all three radios at 4x4, use its multigigabit uplink, and keep USB enabled?
4.2 Frequency Spectrum, Channel Allocations & Power Limitations (2.4 GHz, 5 GHz, 6 GHz)
Which Cisco cloud platform integrates with on-premises wireless controllers to provide location analytics, IoT services, and visitor engagement?
Which physical interface allows a Catalyst 9800-CL virtual WLC to be deployed?
Which IOS-XE Wireless feature on the Catalyst 9800 replaces AireOS WLAN profiles, RF profiles, and AP groups with a hierarchy of profiles attached to APs through tags?
Which DNS record can a lightweight AP resolve during controller discovery before it joins a Catalyst 9800?
Wireless Operation
4.3 802.11 PHY & MAC Layer Protocols, Modulation & Frame Formats
What CAPWAP UDP port is used for the control channel between an AP and a Catalyst 9800 WLC?
Which AP mode dedicates the radios to packet capture for use with Wireshark or OmniPeek by encapsulating captured frames in PEEKREMOTE to a defined IP address?
An AP is configured for FlexConnect with a local-switched WLAN. Which WLC feature is required to enforce a per-WLAN access control list on traffic that never traverses the controller?
Which Catalyst 9800 feature allows a single WLAN to drop different clients into different VLANs based on AAA attributes returned by ISE?
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