Certified Wireless Specialist (CWS-101) — Questions and Answers
Question 1: Which signal behavior involves bending around objects?
- Diffraction (Correct answer)
- Absorption
- Reflection
- Collision
Correct answer: Diffraction
Diffraction is the phenomenon where radio waves bend around obstacles or spread out after passing through an opening. This allows signals to reach areas that are not in a direct line of sight from the transmitter, such as around corners or through doorways. While the signal strength may be reduced, diffraction is crucial for extending wireless coverage beyond direct visibility.
Question 2: What is the recommended minimum RSSI value (in dBm) for reliable VoIP over Wi-Fi?
- -70 dBm
- -67 dBm (Correct answer)
- -90 dBm
- -50 dBm
Correct answer: -67 dBm
A minimum RSSI of -67 dBm is commonly recommended for VoIP applications to ensure low latency and packet loss.
Question 3: What does RSSI measure in a wireless network?
- The encryption key strength of a WPA session
- The retransmission rate of a wireless client
- The ratio of signal to noise at the receiver
- The relative received signal strength from an AP (Correct answer)
Correct answer: The relative received signal strength from an AP
RSSI (Received Signal Strength Indicator) is a relative measure of the power of the received radio signal, typically expressed in dBm.
Question 4: How do CWS professionals evaluate the quality of research evidence?
- By assessing methodology, sample size, peer review, and relevance (Correct answer)
- By the publication date alone
- By the prestige of the author or institution
- Research quality cannot be meaningfully evaluated
Correct answer: By assessing methodology, sample size, peer review, and relevance
Evaluating research quality requires examining the methodology, sample characteristics, peer review process, and relevance to the specific practice context.
Question 5: A hotel needs to isolate guest Wi-Fi traffic from the property management system on the same physical infrastructure. What is the best solution?
- Limit AP transmit power for guest SSIDs
- Deploy separate cable runs to each AP
- Use VLANs mapped to separate SSIDs for guest and management traffic (Correct answer)
- Use only 5 GHz for the management network
Correct answer: Use VLANs mapped to separate SSIDs for guest and management traffic
VLAN segmentation allows multiple logical networks to share the same physical AP and switches while keeping traffic isolated at Layer 2.
Question 6: What is the primary value of case analysis in Certified Wireless Specialist professional development?
- Replacing all hands-on practical experience
- Developing critical thinking by applying theory to realistic scenarios (Correct answer)
- Learning exclusively from documented failures
- Memorizing specific outcomes for replication
Correct answer: Developing critical thinking by applying theory to realistic scenarios
Case analysis develops critical thinking skills by challenging professionals to apply theoretical knowledge to realistic, complex scenarios.
Question 7: What is the maximum transmit power allowed for 5 GHz UNII-3 band operation in the United States under FCC rules?
- 23 dBm
- 30 dBm (Correct answer)
- 20 dBm
- 36 dBm
Correct answer: 30 dBm
The FCC allows up to 30 dBm (1 watt) EIRP for client devices in the UNII-3 (5.725–5.850 GHz) band.
Question 8: What can reduce signal interference in Wi-Fi?
- Increase router height
- Turn off router
- Use same SSID
- Change Wi-Fi channel (Correct answer)
Correct answer: Change Wi-Fi channel
Wi-Fi networks operate on specific channels, and if multiple networks or other electronic devices in the vicinity use the same channel, signal interference can occur. Changing your Wi-Fi router to a less congested channel can significantly reduce this interference. This improves signal quality, increases data transfer speeds, and provides a more stable wireless connection.
Question 9: A company deploying outdoor wireless bridges across a public road in the US may need to obtain which type of permit in addition to ensuring FCC compliance?
- FAA approval for any antenna below 200 feet AGL
- Local municipal or right-of-way permits for structures over public property (Correct answer)
- An FCC licensed microwave authorization in all cases
- A federal environmental impact study regardless of antenna height
Correct answer: Local municipal or right-of-way permits for structures over public property
Physical antenna structures over public right-of-way typically require local municipal permits separate from FCC radio authorization, covering zoning, structural, and right-of-way considerations.
Question 10: What does the dBi unit measure when describing antenna gain?
- Decibel loss over 1 meter of cable
- Signal strength in milliwatts
- Gain relative to a half-wave dipole antenna
- Gain relative to an isotropic radiator (Correct answer)
Correct answer: Gain relative to an isotropic radiator
dBi expresses antenna gain relative to a theoretical isotropic radiator that radiates equally in all directions.
Question 11: Which statement correctly describes the difference between a licensed microwave link and an unlicensed point-to-point link operating under FCC Part 15?
- Unlicensed links are always more reliable because they operate at higher power
- Licensed links have interference protection rights and higher power limits; unlicensed links must accept interference and operate at lower power (Correct answer)
- Licensed links require no frequency coordination while unlicensed links must coordinate with the FCC database
- Both types are subject to identical power limits but licensed links have priority in time of conflict
Correct answer: Licensed links have interference protection rights and higher power limits; unlicensed links must accept interference and operate at lower power
Licensed microwave links receive interference protection and can operate at higher powers, while Part 15 unlicensed links must accept any interference they receive and operate within stricter power limits.
Question 12: A hotel client wants guests to have easy Wi-Fi access without a password. What security concern must you communicate?
- Passwords are optional on 5 GHz networks
- Guest Wi-Fi never poses a security risk
- Open networks are as secure as WPA3
- Open networks expose guest traffic to eavesdropping; a captive portal with client isolation is a safer alternative (Correct answer)
Correct answer: Open networks expose guest traffic to eavesdropping; a captive portal with client isolation is a safer alternative
Open SSIDs transmit data unencrypted; client isolation and a captive portal provide usability while reducing exposure.
Question 13: Which antenna type is typically used to provide sector-based directional coverage in enterprise indoor or outdoor WLAN deployments?
- Omnidirectional dipole antenna
- Flat patch or panel antenna (Correct answer)
- Yagi-Uda array antenna
- Parabolic grid antenna
Correct answer: Flat patch or panel antenna
Flat patch or panel antennas provide a defined directional coverage sector (typically 60–120 degrees) and moderate gain, making them ideal for covering specific areas in enterprise deployments.
Question 14: Which of the following is a wireless encryption protocol?
- FTP
- SMTP
- WPA2 (Correct answer)
- HTTP
Correct answer: WPA2
WPA2 (Wi-Fi Protected Access II) is a robust and widely adopted security protocol used to secure wireless computer networks. It provides strong encryption and authentication, protecting data transmitted over Wi-Fi from unauthorized access. HTTP, FTP, and SMTP are application-layer protocols, not encryption protocols.
Question 15: In the context of WLAN quality assurance, 'passive survey' differs from 'active survey' in that passive survey:
- Requires a second technician at a remote end
- Captures beacon and probe frames without associating to any AP (Correct answer)
- Tests TCP throughput between client and server
- Requires the surveyor to connect to the SSID and generate traffic
Correct answer: Captures beacon and probe frames without associating to any AP
Passive surveys listen to all 802.11 frames in the air without joining any network, providing an objective view of all RF activity.
Question 16: A client's IT manager disagrees with your channel plan. To resolve this professionally, you should:
- Insist your plan is correct and dismiss their concerns
- Listen to their objections, review the rationale together, and reach a consensus based on RF data (Correct answer)
- Escalate to the client's CEO immediately
- Defer entirely to the IT manager regardless of the data
Correct answer: Listen to their objections, review the rationale together, and reach a consensus based on RF data
Collaborative problem-solving backed by objective RF data builds trust and leads to better technical outcomes.
Question 17: Which roaming standard defines over-the-air fast BSS transition to reduce handoff latency for VoIP clients?
- 802.11k
- 802.11r (Correct answer)
- 802.11w
- 802.11u
Correct answer: 802.11r
802.11r (Fast BSS Transition) pre-establishes security keys with neighboring APs so roaming clients can associate in milliseconds without a full re-authentication.
Question 18: What does SSID stand for?
- Service Set Identifier (Correct answer)
- Secure Signal Identifier
- System Server Internet Designator
- Signal Security Interface Device
Correct answer: Service Set Identifier
SSID stands for Service Set Identifier. It is the name of a Wi-Fi network that users see when they search for available networks. It acts as a unique identifier for a wireless local area network (WLAN).
Question 19: After completing a wireless deployment, the best practice for client handoff documentation includes:
- Only a list of equipment serial numbers
- Verbal summary only, no written records
- Sending raw packet capture files to the client
- Network diagram, AP placement map, SSID/VLAN configuration, and admin credentials in a secure format (Correct answer)
Correct answer: Network diagram, AP placement map, SSID/VLAN configuration, and admin credentials in a secure format
Comprehensive handoff documentation enables the client to manage, troubleshoot, and expand the network independently after deployment.
Question 20: What is the primary risk of using a shared PSK (pre-shared key) for a large number of employees on a corporate wireless network?
- A single compromised employee exposes the entire network, and rekeying requires updating all devices (Correct answer)
- PSK authentication is slower than 802.1X authentication
- PSKs are incompatible with WPA3 encryption
- PSKs cannot support more than 50 simultaneous connections
Correct answer: A single compromised employee exposes the entire network, and rekeying requires updating all devices
With a shared PSK, one compromised credential exposes the entire network, and rotating the key requires reconfiguring every device, making credential management operationally challenging.
Question 21: A user in a large open-plan office reports excellent signal strength but very slow speeds. The SNR is 25 dB. What is the most likely cause?
- Defective NIC firmware
- Incorrect WPA2 passphrase
- High client density causing medium contention and airtime exhaustion (Correct answer)
- Insufficient AP transmit power
Correct answer: High client density causing medium contention and airtime exhaustion
In high-density environments, even with strong signal, too many clients competing for airtime on the same channel degrades throughput significantly.
Question 22: Under PCI DSS requirements for wireless networks in cardholder data environments (CDE), organizations must perform which wireless-specific security task at least quarterly?
- Recertify all wireless devices with the FCC
- Scan for unauthorized wireless access points (rogue AP detection) (Correct answer)
- Submit wireless network logs to the PCI Security Standards Council
- Replace all Wi-Fi passwords across the CDE network
Correct answer: Scan for unauthorized wireless access points (rogue AP detection)
PCI DSS Requirement 11.2 mandates quarterly wireless scans to detect rogue access points in or near the cardholder data environment.
Question 23: Which metric BEST indicates whether a wireless client will experience high data rates: RSSI alone or SNR?
- Channel utilization percentage only
- SNR, because throughput depends on signal quality relative to noise, not just signal strength (Correct answer)
- Neither; only channel width determines data rates
- RSSI alone, because higher signal always means better throughput
Correct answer: SNR, because throughput depends on signal quality relative to noise, not just signal strength
SNR (Signal-to-Noise Ratio) accounts for both signal strength and background noise; a high RSSI in a noisy environment can still result in poor throughput.
Question 24: Which setting disables broadcasting the SSID?
- Enable DHCP
- MAC Filtering
- Enable Guest Mode
- SSID Broadcast Disable (Correct answer)
Correct answer: SSID Broadcast Disable
SSID Broadcast Disable is a specific router setting designed to prevent the network's name (SSID) from being publicly advertised to devices searching for Wi-Fi networks. When disabled, the network becomes 'hidden,' requiring users to manually enter the SSID to connect. This makes the network less visible to casual snoopers, adding a layer of obscurity to network security.
Question 25: During a site survey, a wireless specialist notices high co-channel interference on all 2.4 GHz channels. What is the best corrective action?
- Disable SSID broadcasting
- Increase transmit power on all APs
- Migrate affected devices to the 5 GHz band (Correct answer)
- Add more APs on the same channel
Correct answer: Migrate affected devices to the 5 GHz band
Migrating devices to the 5 GHz band reduces co-channel interference because 5 GHz has more non-overlapping channels.
Question 26: A technician uses AirMagnet Survey to perform an active survey. What distinguishes an active survey from a passive survey?
- Active surveys use a spectrum analyzer instead of a Wi-Fi adapter
- The survey device associates to an AP and measures real throughput (Correct answer)
- Active surveys only work on 5 GHz bands
- Active surveys do not require walking the floor plan
Correct answer: The survey device associates to an AP and measures real throughput
In an active survey, the surveying device associates to the network and exchanges data frames, measuring real application-layer performance.
Question 27: A CWS professional is renewing their certification. What is a key requirement of the CWNP certification maintenance program?
- Paying an annual membership fee only
- Submitting a written essay on wireless trends
- Earning Continuing Education Credits (CECs) or retaking the exam before expiration (Correct answer)
- Completing a hands-on lab every year
Correct answer: Earning Continuing Education Credits (CECs) or retaking the exam before expiration
CWNP certifications must be maintained by earning CECs or by passing the current exam before the credential expires.
Question 28: What does RSSI stand for in wireless site surveys?
- Received Signal Strength Indicator (Correct answer)
- Roaming Signal Standard Interface
- Remote Site Survey Information
- Radio Signal Strength Index
Correct answer: Received Signal Strength Indicator
RSSI (Received Signal Strength Indicator) measures the power level of a received wireless signal, expressed in dBm.
Question 29: What is the role of QoS (Quality of Service) in a wireless network?
- To assign static IP addresses to clients
- To prioritize certain traffic types (e.g., VoIP, video) to reduce latency and jitter (Correct answer)
- To encrypt wireless traffic
- To manage VLAN tagging on wired uplinks only
Correct answer: To prioritize certain traffic types (e.g., VoIP, video) to reduce latency and jitter
QoS classifies and prioritizes traffic so time-sensitive applications like VoIP and video conferencing get preferential treatment over bulk data.
Question 30: What is the purpose of a wireless intrusion detection system (WIDS) in network optimization?
- To monitor the RF environment for rogue APs, unauthorized clients, and attack patterns (Correct answer)
- To compress wireless traffic for higher throughput
- To speed up roaming between APs
- To assign QoS tags to wireless frames
Correct answer: To monitor the RF environment for rogue APs, unauthorized clients, and attack patterns
A WIDS continuously scans the RF environment to detect rogue devices, deauth attacks, and policy violations that can degrade performance and security.
Question 31: What is the primary purpose of a Distributed Antenna System (DAS) in wireless networking?
- Reduce channel interference between APs
- Increase data encryption strength
- Extend coverage in large or obstructed venues (Correct answer)
- Increase the number of SSIDs available
Correct answer: Extend coverage in large or obstructed venues
A DAS distributes antenna nodes throughout a building or venue to provide consistent wireless coverage in areas where a single AP would struggle.
Question 32: A network uses 20 MHz channels in the 2.4 GHz band. How many non-overlapping channels are available in the US?
- 2
- 11
- 3 (Correct answer)
- 4
Correct answer: 3
In the US 2.4 GHz band, only channels 1, 6, and 11 are non-overlapping when using 20 MHz channel widths.
Question 33: After a difficult troubleshooting session that required multiple visits, what is the best way to close the client relationship for that incident?
- Apologize excessively and offer large discounts
- Invoice the client and move on without follow-up
- Send a follow-up summary documenting root cause, actions taken, and any preventive recommendations (Correct answer)
- Avoid contacting the client to prevent further complaints
Correct answer: Send a follow-up summary documenting root cause, actions taken, and any preventive recommendations
A post-incident summary demonstrates professionalism and provides the client with actionable information to prevent recurrence.
Question 34: What antenna characteristic defines the angular spread over which the antenna radiates at least half its maximum power (-3 dB points)?
- Antenna efficiency
- Polarization
- Half-power beamwidth (HPBW) (Correct answer)
- Front-to-back ratio
Correct answer: Half-power beamwidth (HPBW)
The half-power beamwidth (HPBW) is the angle between the two -3 dB points on the antenna's radiation pattern, defining the main beam coverage area.
Question 35: In the US, an enterprise deploying a Wi-Fi network on a vessel navigating international waters must comply with regulations from which authority?
- ICAO aviation regulations only
- Only the FCC since the vessel is US-flagged
- Only ITU since the vessel leaves US territory
- Both FCC and ITU Radio Regulations (Correct answer)
Correct answer: Both FCC and ITU Radio Regulations
US-flagged vessels on international waters must comply with both FCC regulations and ITU Radio Regulations, as the vessel is subject to US law while also operating in internationally regulated spectrum.
Question 36: A client requests a change to the wireless network outside the agreed project scope. The appropriate action is to:
- Evaluate the change, communicate any impact on timeline and cost, and issue a change order (Correct answer)
- Implement the change immediately without documentation
- Charge the client without prior notice
- Ignore the request
Correct answer: Evaluate the change, communicate any impact on timeline and cost, and issue a change order
A formal change order process ensures both parties agree on scope changes, costs, and schedule impacts before work proceeds.
Question 37: Which 802.11 power-save mechanism does Wi-Fi 6 introduce to improve efficiency for IoT and battery-powered devices?
- Legacy PSM (Power Save Mode)
- TWT (Target Wake Time) (Correct answer)
- U-APSD (Unscheduled APSD)
- WMM Power Save
Correct answer: TWT (Target Wake Time)
TWT (Target Wake Time), introduced in 802.11ax, allows an AP to schedule specific wake times for clients, dramatically reducing power consumption.
Question 38: During a client discovery call, you should primarily aim to:
- Sell the most expensive solution immediately
- Focus only on the technical specifications of desired hardware
- Understand the client's business requirements, pain points, and existing infrastructure (Correct answer)
- Avoid asking questions to appear more knowledgeable
Correct answer: Understand the client's business requirements, pain points, and existing infrastructure
Discovery calls establish the foundation for a solution that addresses actual business needs rather than assumed technical requirements.
Question 39: What is the purpose of a wireless LAN probe (or passive site survey tool) used during a post-deployment validation?
- To passively listen to 802.11 frames and measure RSSI, SNR, and channel utilization at various locations (Correct answer)
- To inject traffic and stress-test the AP hardware
- To update AP firmware over the air
- To configure SSID security settings remotely
Correct answer: To passively listen to 802.11 frames and measure RSSI, SNR, and channel utilization at various locations
A passive survey tool (e.g., a laptop with site survey software) moves through the coverage area collecting RSSI, SNR, and protocol metrics to validate that coverage meets design requirements.
Question 40: What is the key difference between a WLAN bridge and a WLAN repeater?
- A bridge operates on 5 GHz only; a repeater operates on 2.4 GHz only
- A bridge uses WPA3; a repeater uses WPA2
- A bridge requires PoE; a repeater does not
- A bridge connects two separate network segments; a repeater extends a single network's coverage area (Correct answer)
Correct answer: A bridge connects two separate network segments; a repeater extends a single network's coverage area
A wireless bridge connects two distinct network segments (e.g., two buildings), while a repeater extends the coverage of an existing wireless network without creating a separate segment.
Question 41: A manufacturing plant running 802.11n reports that adding a new CNC machine causes packet loss on the wireless network. A spectrum scan shows wideband noise. What should you investigate first?
- The AP firmware version
- The DHCP lease time
- The beacon interval setting
- Whether the CNC machine's motor or VFD emits RF interference (Correct answer)
Correct answer: Whether the CNC machine's motor or VFD emits RF interference
Variable frequency drives (VFDs) and electric motors in industrial equipment can emit significant broadband RF noise that disrupts wireless communications.
Question 42: A wireless project team wants to apply evidence-based practice to AP placement decisions. Which sequence of steps BEST represents this methodology?
- Deploy APs based on experience, then document after go-live
- Collect pre-deployment RF data, create a predictive model, deploy, validate with post-deployment survey, and document findings (Correct answer)
- Use vendor default AP placement guides and skip on-site verification
- Ask the building manager for a floor plan and place APs at equal grid intervals
Correct answer: Collect pre-deployment RF data, create a predictive model, deploy, validate with post-deployment survey, and document findings
Evidence-based practice requires pre-deployment data collection, modeling, deployment, and post-deployment empirical validation before final documentation.
Question 43: What is the typical channel width used for 802.11ac (Wi-Fi 5) deployments to maximize throughput?
- 160 MHz
- 20 MHz
- 80 MHz (Correct answer)
- 40 MHz
Correct answer: 80 MHz
80 MHz channels are the standard for 802.11ac deployments, balancing high throughput with reasonable interference management.
Question 44: What is the role of the Distribution System (DS) in an infrastructure-mode WLAN?
- Connects access points to each other and to wired networks (Correct answer)
- Assigns IP addresses to wireless clients
- Manages QoS prioritization for voice traffic
- Encrypts traffic between client and AP
Correct answer: Connects access points to each other and to wired networks
The Distribution System interconnects APs and bridges wireless traffic to the wired LAN, enabling roaming and inter-AP communication.
Question 45: How should CWS professionals stay current with regulatory changes?
- Rely on colleagues for all regulatory information
- Regulations change too infrequently to monitor
- Actively monitor updates through professional associations and continuing education (Correct answer)
- Wait until notified by regulators
Correct answer: Actively monitor updates through professional associations and continuing education
CWS professionals must proactively monitor regulatory changes through professional associations, government publications, and continuing education.
Question 46: What is a MAC address used for?
- To locate GPS position
- To measure signal strength
- To identify devices on a network (Correct answer)
- To assign usernames
Correct answer: To identify devices on a network
A MAC (Media Access Control) address is a unique identifier assigned to network interfaces for communications within a network segment. It serves as a hardware address that uniquely identifies each device on a network, allowing data to be directed to the correct recipient at the data link layer.
Question 47: A school district reports that student Chromebooks frequently roam poorly between classrooms. APs are 802.11ac with 5 GHz only. What is the first thing to verify?
- That all APs share the same SSID, VLAN, and security configuration to form a unified ESS (Correct answer)
- That 2.4 GHz is enabled on all APs
- That each classroom has a unique SSID
- That WPA3 is enabled
Correct answer: That all APs share the same SSID, VLAN, and security configuration to form a unified ESS
For seamless roaming, all APs must broadcast the same SSID with identical security settings on the same VLAN so clients can move between APs without re-authenticating.
Question 48: Which term describes the phenomenon where a wireless signal arrives at a receiver via multiple paths, causing constructive or destructive interference?
- Absorption
- Refraction
- Attenuation
- Multipath (Correct answer)
Correct answer: Multipath
Multipath occurs when a signal reflects off surfaces and arrives at the receiver via multiple paths, potentially causing fading or interference.
Question 49: What is signal attenuation?
- Signal loss (Correct answer)
- Signal duplication
- Signal amplification
- Signal encryption
Correct answer: Signal loss
Signal attenuation refers to the reduction in the strength of a signal as it travels through a medium or over distance. This loss can be caused by various factors such as absorption, reflection, or scattering by obstacles in the signal's path. Attenuation is a critical factor in wireless network design, as it directly impacts coverage and performance.
Question 50: How should an CWS professional approach a novel situation not covered by standard procedures?
- Follow the closest existing procedure exactly
- Refuse to proceed under any circumstances
- Improvise without any documentation
- Apply foundational principles, assess risks, consult resources, and document decisions (Correct answer)
Correct answer: Apply foundational principles, assess risks, consult resources, and document decisions
Novel situations require applying core principles, careful risk assessment, resource consultation, and thorough documentation of the rationale for decisions made.
Question 51: What is the effective data rate impact when a 802.11n client connects using a 40 MHz channel compared to a 20 MHz channel under ideal conditions?
- No change; only range improves
- 4x the throughput
- Approximately double the throughput (Correct answer)
- 10% increase
Correct answer: Approximately double the throughput
Doubling the channel width from 20 MHz to 40 MHz approximately doubles the available data rate by fitting twice as many subcarriers.
Question 52: In free-space path loss calculations, doubling the distance between transmitter and receiver increases path loss by approximately how many dB?
- 3 dB
- 20 dB
- 6 dB (Correct answer)
- 10 dB
Correct answer: 6 dB
Free-space path loss follows an inverse-square law, so doubling distance quadruples path loss, which is a 6 dB increase.
Question 53: What does a cell overlap of approximately 15–20% between adjacent APs achieve in a WLAN design?
- Reduces the number of APs needed
- Maximizes channel reuse
- Prevents clients from associating
- Ensures seamless roaming with consistent coverage (Correct answer)
Correct answer: Ensures seamless roaming with consistent coverage
A 15–20% cell overlap ensures clients can roam between APs without dropping the connection or experiencing coverage gaps.
Question 54: Which wireless topology allows devices to communicate directly with each other without an access point?
- Mesh BSS
- Extended Service Set
- Infrastructure BSS
- Independent BSS (IBSS) (Correct answer)
Correct answer: Independent BSS (IBSS)
An IBSS (Independent Basic Service Set), also called ad hoc mode, lets devices communicate peer-to-peer without an AP.
Question 55: When a 2.4 GHz signal passes through a human body, approximately how much attenuation should be expected?
- 3–5 dB (Correct answer)
- 30+ dB
- 10–15 dB
- 0–1 dB
Correct answer: 3–5 dB
The human body causes roughly 3–5 dB of RF attenuation at 2.4 GHz due to the water content absorbing microwave-frequency energy.
Question 56: Which protocol is used to secure wireless networks?
- ICMP
- HTTP
- POP3
- WPA2 (Correct answer)
Correct answer: WPA2
WPA2 (Wi-Fi Protected Access II) is a robust security protocol widely used to secure wireless networks. It employs strong encryption algorithms, such as AES, and authentication methods to protect data transmitted over Wi-Fi from unauthorized access and eavesdropping. While WPA3 is newer, WPA2 remains a common and effective standard for securing most wireless networks.
Question 57: Which professional behavior best supports a long-term client relationship after a wireless project is completed?
- Removing all configuration access after payment is received
- Waiting for the client to report problems before responding
- Moving on immediately to the next client without follow-up
- Providing post-deployment documentation and offering ongoing support options (Correct answer)
Correct answer: Providing post-deployment documentation and offering ongoing support options
Delivering thorough post-deployment documentation and proactively offering support options builds trust and long-term client relationships.
Question 58: A security camera system uses 802.11n at 2.4 GHz and frequently drops frames. The cameras are stationary. What change would most improve reliability?
- Move cameras to a dedicated 5 GHz SSID to avoid 2.4 GHz congestion (Correct answer)
- Enable WPS on the AP
- Extend DHCP lease time to 7 days
- Increase video resolution settings
Correct answer: Move cameras to a dedicated 5 GHz SSID to avoid 2.4 GHz congestion
The 2.4 GHz band is more congested with only 3 non-overlapping channels; moving stationary cameras to 5 GHz provides more channels and less interference.
Question 59: What is the benefit of interdisciplinary collaboration in Certified Wireless Specialist practice?
- It is only relevant for complex or unusual projects
- It brings diverse expertise and perspectives that improve outcomes (Correct answer)
- It significantly slows down decision-making processes
- It creates confusion and inefficiency
Correct answer: It brings diverse expertise and perspectives that improve outcomes
Interdisciplinary collaboration enhances Certified Wireless Specialist practice by combining diverse expertise, perspectives, and skills for more comprehensive and effective outcomes.
Question 60: How do CWS professionals effectively transfer training knowledge to workplace practice?
- Knowledge automatically transfers after certification
- Training knowledge and workplace practice are unrelated
- By passing the certification examination only
- Through supervised practice, mentoring, and progressive independence with feedback (Correct answer)
Correct answer: Through supervised practice, mentoring, and progressive independence with feedback
Knowledge transfer requires structured practice opportunities with mentoring, feedback, and gradually increasing independence and responsibility.
Certified Wireless Specialist (CWS-101)
The CWS certification validates entry-level knowledge of 802.11 wireless networking fundamentals, RF characteristics, wireless hardware and software, and organizational Wi-Fi use cases. It is a CWNP foundational certification for IT professionals, sales, and support roles.
Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds