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CWS 101 (certified Wireless Specialist) EXAM 2025
QUESTIONS AND CORRECT ANSWER
What may occur when an RF wave encounters an object large in relation to the wavelength duringpropagation?
Select one: a. Increase in amplitude b. Raising of frequencyc. Reflection d. Lowering of frequency - answer>>>Reflection What kind of antenna is most frequently used with indoor APs? Select one: a. Internalb. Parabolic dish c. Yagid. Grid - answer>>>Internal
What becomes shorter as the RF wave frequency rises? Select one: a. Signal Strength b. Wavelengthc. Amplitude
d. Phase - answer>>>Wavelength What is the maximum data rate specified in the 802.11 standard for the HT (802.11n) PHY (PhysicalLayer)?
Select one: a. 600 Mbpsb. 150 Mbps c. 400 Mbpsd. 65 Mbps - answer>>>600 Mbps
An organization wishes to ensure that a fairly even distribution of clients is spread across the installedAPs. What common vendor feature should be implemented to allow for this?
Select one: a. Per-User Preshared Key (PPSK)b. Band steering c. Adaptive Radio Management (ARM)d. Load balancing - answer>>>D. Load Balancing
What is the name given to the WPA2 implementation that uses a PSK (Pre-Shared Key)? Select one: a. Corporate b. Enterprisec. Personal
When an AP is managed by connecting to it directly and it depends on no other device for operations,what kind of AP management system is in use?
Select one: a. Wireless Network Management System (WNMS)b. Cloud-based c. Controller-basedd. Autonomous - answer>>>Autonomous
When an AP supports both 2.4 GHz and 5 GHz, what term is commonly used to define this AP? Select one: a. Dual-band b. Both-bandc. Either-band d. Hyper-band - answer>>>Dual-band An AP has two Ethernet wired networking ports. One (port 1) is labeled with a Power over Ethernet(PoE) indicator and the other (port 2) is not. What is unique about port 1 when compared to port 2?
Select one: a. It can be used to power the AP b. It can be used to transfer voice datac. It can be used to transfer wireless data d. It can be used to transfer wired data - answer>>>It can be used to power the AP
When planning for a bridge link between locations, in addition to the link distance, what requirementshould be known in order to determine the antennas, settings and bridges to use?
Select one: a. Required throughputb. Required cable length c. Required colord. Required power sourcing method - answer>>>Required power sourcing method
You are recommending a solution for a hospital environment. What room is most likely to require an APinside the room to ensure coverage in that area because the walls block RF signals?
Select one: a. Nurse stationb. Patient rooms c. X-Ray roomd. Lobby - answer>>>X-Ray room
What kind of security constraint can always be legally enforced on an organization? Select one: a. Regulatory b. Industry standardsc. Organizational procedures d. Industry guidelines - answer>>>Regulatory
You must ensure Power over Ethernet (PoE) is available for new AP installations. What device canprovide PoE power to the APs assuming it includes PoE support?
Select one: a. Routerb. Ethernet coupler c. Link testerd. Switch - answer>>>Switch
Which one of the following is an example of a multi-band device? Select one: a. A laptop supporting only 802.11n in 5 GHz b. A laptop supporting only 802.11n in 2.4 GHzc. A laptop supporting only 802.11a d. A laptop supporting 802.11n, 802.11ac, and 802.11ad - answer>>>A laptop supporting 802.11n,802.11ac, and 802.11ad
What acronym is used to define the process of allowing users to use their personal devices on theenterprise WLAN?
Select one: a. BYODb. MDM c. BSSIDd. SSID - answer>>>BYOD
For what is the S1G (Sub-1 GHz) PHY (Physical Layer) most likely to be used? Select one: a. Desktops b. Tabletsc. IoT (Internet of Things) d. Laptops - answer>>>IoT (Internet of Things) Which one of the following is most likely a signal strength minimum requirement for Voice over IP (VoIP)802.11 handsets?
Select one: a. -87 dBm b. -92 dBmc. -90 dBm d. -67 dBm - answer>>>-67 dBm Why is it considered a mistake to use 160 MHz channels in most 5 GHz frequency band enterprisedeployments?
Select one: a. The available frequency space is insufficient for such an implementation b. The communication retry rates will decreasec. The throughput will be too high d. The data rates will be too high - answer>>>The available frequency space is insufficient for such animplementation
Why would you use external antennas for an AP mounted indoors? Select one: a. To accomplish a specific coverage objectiveb. To increase the maximum possible data rate of the AP c. To decrease the cost of the APd. To decrease the radio output power in a specific direction - answer>>>To accomplish a specific coverage objective What is required for some 5 GHz channels that may prevent their consistent use near an airport? Select one: a. RBAC (Role-Based Access Control)b. WPA2 (Wi-Fi Protected Access version 2) c. DRS (Dynamic Rate Switching)d. DFS ( Dynamic Frequency Selection) - answer>>>DFS ( Dynamic Frequency Selection)
What is implemented in 802.11 networks to increase the probability that higher prioritycommunications will occur before lower priority communications?
Select one: a. Dynamic Frequency Selection (DFS)b. Load Balancing c. Dynamic Rate Switching (DRS)d. Quality of Service (QoS) - answer>>>Quality of Service (QoS)
What statement best defines a staggered channel plan or multiple channel architecture (MCA)? Select one: a. Using one channel for all APs and reducing the output power on every other APb. Alternating non-overlapping channels for APs with sufficient physical space provided before reusing a channelc. Alternating overlapping channels for APs without concern for physical space between APs d. Using one channel for all APs and controlling which APs communicate with a centralized controller -answer>>>Alternating non-overlapping channels for APs with sufficient physical space provided before reusing a channel In what frequency band does an 802.11ax (HE) device operate where in older devices do not operate? Select one: a. 900 MHzb. 5 GHz c. 2.4 GHzd. 6 GHz - answer>>>6 GHz
What frequency band provides the most 20 MHz channels and is used by 802.11 devices? Select one: a. 60 GHz b. 2.4 GHzc. 10 GHz d. 5 GHz - answer>>>2.4 GHz
What was the maximum data rate of the original 802.11 standard DSSS PHY (Physical Layer)? Select one: a. 54 Mbps b. 2 Mbpsc. 1 Mbps d. 11 Mbps - answer>>>1 Mbps What 802.11 PHY (Physical Layer) operates in 60 GHz? Select one: a. HT (802.11n)b. DMG (802.11ad) c. OFDM (802.11a)d. HR/DSSS (802.11b) - answer>>>DMG (802.11ad)
A tablet is a single stream client with one radio and one antenna. What 802.11 features is definitely notsupported on this device?
Select one: a. Authenticationb. Association c. MIMO (Multiple-Input/Multiple-Output)d. DRS (Dynamic Rate Switching) - answer>>>MIMO (Multiple-Input/Multiple-Output)
You have a switch supporting 802.3at and you must power an AP that is 40 meters from the switch.What can be used to provide power to the AP?
Select one: a. Power over Ethernet (PoE)b. Quality of Service (QoS) c. Transmit Power Control (TPC)d. Radio Resource Management (RRM) - answer>>>Power over Ethernet (PoE)
When open public Wi-Fi access is provided, what can be implemented to help prevent attacks betweendevices connected to the same AP?
Select one: a. WPAb. WPA c. Device-to-device communication blockingd. WEP - answer>>>Device-to-device communication blocking
What infrastructure software solution is often used to manage enterprise mobile devices? Select one: a. ESS b. VPNc. BYOD d. MDM - answer>>>MDM
What common vendor feature can be enabled to encourage client devices to use a 5 GHz connectioninstead of a 2.4 GHz connection?
Select one: a. Band Steeringb. Fast BSS Transition (FT) c. Dynamic Rate Switching (DRS)d. Dynamic Frequency Selection (DFS) - answer>>>Band Steering
What term is used to define the variance in delay or latency between packets on a network? Select one: a. Stutter b. Jitterc. Standard deviation d. Hysteresis - answer>>>Jitter What must be defined in order to properly determine capacity requirements? Select one: a. Number of devices and application characteristicsb. Number of devices alone c. Firmware version on neighboring network APsd. Application characteristics alone - answer>>>Number of devices and application characteristics
In a highly-reflective environment, what result can have a negative impact on SISO 802.11 devices?
Select one: a. Increased signal strengthb. Increased bits in the signal c. Multipathd. Phase shifts - answer>>>Multipath
Why would you need to know about neighbor 802.11 networks to create an effective WLANimplementation plan for a site?
Select one: a. To determine the vendor they have implementedb. To determine the channels they are using c. To determine the security solutions they have implementedd. To ensure the use of the right version of 802.11 - answer>>>To determine the channels they are using
What should be used to manage an AP that requires direct web-based configuration? Select one: a. FTP b. Telnetc. HTTP d. HTTPS - answer>>>HTTPS In addition to coverage requirements, what primary requirement must be defined to ensure a WLANperforms as required?
Select one: a. Electric and magnetic b. Frequency and wavelengthc. Phase and amplitude d. Phase and frequency - answer>>>Electric and magnetic Where is an omnidirectional antenna typically placed for best results? Select one: a. Beneath the target coverage areab. The edge of the target coverage area c. The center of the target coverage aread. Above the target coverage area - answer>>>The center of the target coverage area
What network service is used to provide automatic Internet Protocol configuration for network clientdevices?
Select one: a. DHCPb. NTP c. DNSd. ARP - answer>>>DHCP
In what kind of BSS is a gate and portal used based in the 802.11 standard? Select one:
a. ESS (Extended Service Set)b. IBSS (Independent BSS) c. MBSS (Mesh BSS)d. BSS (Infrastructure BSS) - answer>>>MBSS (Mesh BSS)
