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32 Cards in this Set
- Front
- Back
Each of the following protocols is supported on an IEEE 802.11 network except.
A. System Network Architecture (SNA) B. TCP\IP C. Appletalk D. IPX\SPX |
System Network Architecture (SNA)
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___ is a group of wireless devices that is served by a single access point (AP)
A. Basic Service Set B. ad hoc mode C. Extended Service Set D. Indpendent Service Set |
Basic Service Set (BSS)
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Each WLAN must be assigned a unique identifier known as the ___.
A. Service Set Identifier (SSID) B. Access Category Channel C. Traffic Indication Set (TIS) D. Beacon Identifier |
Service Set Identifier (SSID)
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With dynamic rate shifting implemented in a WLAN, what happens when a user moves farther away from the access point
A. The connection is automatically dropped at 25 meters B. The connection speed decreases C. The connection speed increases D. The connection frequency changes from 2.4 GHz to 5 GHz |
The connection speed decreases
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In order to accommodate additional wireless users over a wider area, which configuration should be used
A. ad hoc B. Basic Service Set C. Extended Service Set D. Channel Access Set |
Extended Service Set
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When a packet reaches the MAC layer ( or Data Link Layer in the OSI model ) these segments are formally known as frames, True or False
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True
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The IEE 802.11 standard specifies six categories of MAC frame formats, True or False
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False, There are three standards. 1. Management frames, 2. control frames and 3. Data Frames
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At regular intervals the AP in an infrastructure network or wireless device in an ad hoc network sends a data frame to both announce its presence and to provide the necessary information for other devices to join the network, True or False
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True (Beaconing)
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In passive scanning, the wireless device must first send out a management probe request frame on each available channel and then wait for an answer from all available APs. True or False
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False, It waits for a transmission
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Because wireless LANs cannot limit access to the RF signal by walls or doors, wireless authentication requires the wireless device to be authenticated prior to being connected to the network. True or False
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True
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_____ authentication requires the wireless device to correctly encrypt the challenge text.
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Shared Key Authentication
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Once a wireless device is authenticated the final step is to be accepted into the wireless network, a process known as _____.
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Association
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The IEEE 802.11 standard specifies two procedures for transmitting on the WLAN, distributed coordination function (DCF) and an optional _____.
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Point coordination function (PCF)
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Instead of using Ethernet CSMA\CD, IEEE WLANs use _____.
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Distributed coordination Function (DCF)
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When examining the current state of the organization each of the following questions is valid except
A. What is the purpose or mission of our competition B. Is the current mission expected to change in the future C. What is the size of the organization D.How much growth is anticipated in the organization |
What is the purpose of mission of our competition
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Each of the following is one of the four basic steps in building a wireless network except
A. planning for the network B. providing user training ans support C. designing the wireless LAN D. Configuring the IP address of the network switch |
Configuring the IP addresses of the network switch
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_____ is the expression often used to describe a work environment in which an employee can have continual access to the data that is needed for making decisions.
A. Mobile Office B. Ad hoc range C. Wide area network D. Space Configuration Region (SCR) |
Mobile Office
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Each of the following are locations in which businesses install wireless networks for increased employee productivity except.
A. lobbies B. lunchroom C. Common Areas D. Remote Parking Lots |
Remote Parking lots
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Which of the following should cause an organization not to install a wireless network.
A. An existing network that is adequate B. Lack of IEEE standards C. Anticipated release of IEE 802.11 z network standards D. Interference from commercial radio signals |
An existing network that is adequate
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When documenting the current network it is important to identify the number and type of client. True or False
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True
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Soft benefits are those benefits that can be easily measured or quantified.
True or False |
False, Hard benefits are easily quantifiable
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Installation of a wireless LAN is significantly more expensive than a wired LAN.
True or False |
False, they are cheaper due to less infrastructure costs
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Ab example of a soft benefit would be employee satisfaction. True or False
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True
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Because all wireless vendors today follow the IEEE 802.11 standard, organizations can be assured that wireless technology will be viable years in the future. True or False
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True
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_____ is a standard measure of the profitability of a project.
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Return on Investment (ROI)
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_____ is the future cash flows multiplied by discount factors to obtain the present value.
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Discounted Cash Flow model
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_____ compares the value of a dollar today versus the value of that same dollar in the future after taking inflation and return into account.
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Net Present Value
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A(n) _____ provides wireless LAN service, for free or for a fee, from a variety of public meeting areas, including coffee shops, public libraries, and airport lounges.
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Hot Spot
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A _____ wireless bridge typically interconnects two LAN segments between buildings
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Point-to-Point
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The process of planning a wireless LAN to meet the stated design goals is known as a(n)
A. network planning report (NPR) B. instrument review C. documentation report D. site survey |
site survey
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Each of the following is a design goal of a site survey except
A. implement a wired network infrastructure B. achieve the best possible performance from a WLAN C. determine the best location for access points D. develop wired networks optimized for a variety of applications |
A. Implement a wired network infrastructure or D. develop wired networks optimized for a variety of applications
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Each of the following are times that a site survey should be performed except
A. before installing a new wireless network B. before changing an existing wireless network C. after adding a wired user to the subnet D. when there are significant changes in personnel |
C. After adding a wired user to the subnet
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