CWNA PW0-105 Exam Questions & Practice Test – Free Download (1-10)

QUESTION 1
What answers correctly complete the following sentence?
____________ and ____________ carrier sense functions are used to determine whether the wireless medium is idle or busy. (Choose 2)

A.    Passive
B.    Pseudo-random
C.    Virtual
D.    Active
E.    Physical
F.    Interframe
G.    Vector

Answer: CE

QUESTION 2
What WLAN system feature is required to produce a scenario with the following configuration on a single access point? (Choose 2)
1. SSID = Guest / BSSID = AA:AA:AA:AA:AA:AA /
VLAN = 22 / Subnet = 192.168.22.0 / RF Channel = 6
2. SSID = Corporate / BSSID = BB:BB:BB:BB:BB:BB /
VLAN = 33 / Subnet = 192.168.33.0 / RF Channel = 6 / User Type A
3. SSID = Corporate / BSSID = BB:BB:BB:BB:BB:BB /
VLAN = 44 / Subnet = 192.168.44.0 / RF Channel = 6 / User Type B

A.    Multiple WLAN Profiles
B.    Call Admission Control
C.    Virtual Cell with SCA
D.    Access Categories
E.    User-based authentication
F.    Dual-radio AP hardware
G.    Integrated DHCP server

Answer: AE

QUESTION 3
Given: You are an independent contractor, hired to perform an indoor site survey and network design for ABC Hotel. The network will support both hotel staff and guest users. You are interviewing the network manager to determine business, performance, and security requirements for the future 802.11 WLAN.
What questions should you ask the IT manager? (Choose two)

A.    What data cabling is currently installed in the rooms and throughout the hotel?
B.    How much RF loss do you expect between hotel rooms?
C.    Where are the RF dead zones located within the facility?
D.    What types of applications will be used by the hotel staff?
E.    Are there any radar systems in use at the hotel that would conflict with the WLAN?

Answer: AD

QUESTION 4
What factor is NOT taken into account when calculating the Link Budget of a point-to-point outdoor WLAN bridge link?

A.    Operating frequency
B.    Transmit antenna gain
C.    Transmit power
D.    Antenna height
E.    Receive sensitivity
F.    Distance

Answer: D

QUESTION 5
ABC Company is planning a point-to-multipoint outdoor bridge deployment with standalone (autonomous) 802.11 bridge units. 802.1X/EAP will be used for bridge authentication. What device in the bridge implementation acts as the 802.1X Authenticator?

A.    The RADIUS server
B.    All non-root bridges
C.    A designated non-root bridge
D.    The root bridge
E.    The Ethernet switch

Answer: D

QUESTION 6
The IEEE 802.11a/n physical layer technologies utilize the 5 GHz frequency band. What is true of the two lower bands (UNII-1 and UNII-2) in this frequency spectrum? (Choose two)

A.    The frequency range of these bands is 5000 MHz – 5200 MHz
B.    Each of these two bands contain five 20 MHz channels.
C.    Regulatory domains worldwide require DFS and TPC in these bands.
D.    These bands have a total combined bandwidth of 200 MHz.
E.    20 MHz in each of these bands is reserved as a guard band.

Answer: DE

QUESTION 7
Given: Two co-located 802.11b/g/n APs can interfere with one another and cause contention and collisions, even when the two APs are operating on non-overlapping channels (e.g. 1 & 6).
What deployment flaw could cause this problem? (Choose two)

A.    The access points are mounted too closely to one another.
B.    Reflective objects in the area are causing significant multipath.
C.    A client station is using active scanning to probe for access points on multiple channels.
D.    The output power on the access points is too high.
E.    A client station authenticates to both access points, but does not associate.
F.    The access points are not synchronized to the same NTP server.

Answer: AD

QUESTION 8
Given: XYZ Corporation is experiencing connectivity problems with their existing building-to- building bridge link. A concrete wall on the roof of one building is partially blocking the Fresnel Zone, and the connection is dropping many frames. The administrator moves the antenna to an area not obstructed by the concrete wall and then realizes the RF cable cannot reach the new location.
If an extension cable is added to move the antenna, what are the likely results?

A.    The data throughput rate will increase because VSWR will decrease.
B.    The Equivalent Isotropically Radiated Power (EIRP) will decrease.
C.    The antenna’s azimuth beamwidth will decrease.
D.    The size of the Fresnel zone will increase.
E.    The likelihood of a direct lightning strike will increase.

Answer: B

QUESTION 9
What specifications should be evaluated for an antenna before it is implemented in a WLAN system? (Choose three)

A.    Spectral efficiency
B.    TPC support
C.    Impedance in Ohms
D.    Elevation Beamwidth
E.    Return Loss Rating
F.    Operating Frequencies

Answer: CDF

QUESTION 10
Given: The network administrator at XYZ Company recently attended a training class on wireless security and realized that he should update the corporate security policy to address WLAN technology. The network administrator is listing the items that should be addressed in the security policy update, and has asked for your input.
What WLAN topics should be addressed by a company security policy? (Choose 4)

A.    Theft prevention and data security of WLAN infrastructure devices
B.    Wireless intrusion monitoring and response procedures
C.    WLAN performance analysis baseline documentation
D.    Password requirements for users and infrastructure equipment
E.    Training of the IT staff on WLAN operational security
F.    User density planning and AP client association thresholds

Answer: ABDE

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