Essay about ODD Review Questions Chapter 8 John Pham

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ODD Review Questions

1. To transmit and receive signals to and from multiple nodes in a three-story office building, what type of antenna should an access point use?
a. Omnidirectional
b. Unidirectional
c. Bidirectional
d. Tridirectional

3. You are setting up a WLAN for an insurance agency. The network includes 32 clients, three printers, two servers, and a DSL modem for Internet connectivity. What type of
WLAN architecture would best suit this office?
a. Ad hoc
b. Interstitial
c. Infrastructure
d. Round robin

5. In the 802.11 standard, IEEE specifies what type of access method?
a. Beacon passing
b. Demand priority
7. What frequency band is used by 802.11b, 802.11g, and 802.11n?
a. 1.5 GHz
b. 2.4 GHz
c. 5 GHz
d. 11 GHz

9. If your wireless stations are configured to perform passive scanning, what do they need from an access point to initiate association?
a. A request to send
b. An alert frame
c. A beacon frame
d. Nothing; they will find the access point on their own

11. When a mobile WLAN user roams from access point A’s range into access point B’s range, what does it do automatically to maintain network connectivity?
a. Associate with access point B in order to communicate with access point A
b. Reassociate with access point B
c. Reestablish its connection with access point A on another channel
d. Nothing; the user must reestablish network connectivity manually

13. Your organization is expanding and plans to lease 3000 square feet of space in a nearby building. Your supervisor asks you to conduct a site survey of the space. If conducted properly, which of the following will your site survey reveal?
a. The optimal quantity and locations of access points for the WLAN
b. All potential sources of EMI
c. The distance between each workgroup area and telco room
d. All of the above

15. Which of the following will help an access point’s transmissions reach farther?
a. Limiting the number of stations that may associate with the access point
b. Boosting its signal strength