最新的Wireless Network認證 MSC-121考試題庫

問題1

You have been requested to design a wireless network for a VoWLAN installation and are currently working on all of the deployment documentation. Given the list below, which of the following is CORRECT?

A. The network will require a dense deployment of access points and special attention should be taken with regard to channel planning and power levels.

B. The network will require a dense deployment of access points and access point power levels should be as high as possible to aid handoff.

C. No special requirement are required for a VoWLAN network.

D. The network will require a low density deployment of access points and special attention should be taken with regards to channel planning and cell size.

正確答案: A

問題2

You have been asked to add VoIP to an existing VVLAN. Which of the following would be considered best practices with this type of design (select TWO)?

A. Only use 802.11b channels.

B. Set the Beacon Rate greater than 300.

C. Try and maintain -65db coverage areas,

D. Set the DT1M set to 1 or 2.

正確答案: C,D

問題3

A common WLAN design mistake occurs when AP transmit output power is set higher than the transmit capabilities of the client devices. This situation results in frequent dropped connections and unpredictable connectivity. Which of the following terms describes this condition?

A. S02.3af PoE

B. Weak node

C. Power spiral

D. Power asymmetry

正確答案: D

問題4

Given the RSSI coverage map exhibits at the bottom, which frequency and air standard would be best to use for VOIP client devices?

A. 2.4 GHz 802.11n

B. 5.8 GHz 802.11a

C. 5.8 GHz 802.11n

D. 2.4 GHz 802.11g

正確答案: A

問題5

You are designing a WLAN for a new customer and have been given a Customer Checklist for WLAN.
Given this checklist, please answer the test item(s) below.

What is a characteristic of this deployment that could significantly impact the number of APs required to provide the needed area coverage? Assume only the information in the Customer Checklist WLAN exhibit at the bottom.

A. Service desired by the customer

B. Potential Equipment placement locations

C. Construction Material

D. Email Environment

正確答案: C

問題6

You have been working on the design specification for a new WiNG 5 WLAN for a new customer. The client needs wireless internet connectivity as well as voice over IP (VoIP) in two key auditoriums of their sports center. Your team has just created a LANPlanner report and the design calls for 11 APs. The customer had identified 2 client locations (Location A and Location B) that he would like to discuss with you.
Assume that clients at Location A and Location B are using 802.11 n standards on the 2.4 GHz band. Which of the following correctly identifies the channels utilized by clients at Location A and Location B? Use the relevant Channel Map in the LANPfanner - Sports Ce/tferexhibit at the bottom.

A. Ch 9 is servicing Location A and Ch 1 is servicing Location B

B. Ch 5 is servicing Location A and Ch 1 is servicing Location B

C. Ch 9 is servicing Location A and Ch 4 is servicing Location B

D. Ch 3 is servicing Location A and Ch 2 is servicing Location B

正確答案: A

問題7

You have been asked to design an outdoor wireless network and the specification calls for the installation of lightning arrestors. What is the primary role of lightning arrestors?

A. To protect the access point from a direct lighting strike

B. To protect the access point from a indirect lighting strike

C. To protect the building

D. To protect the antenna

正確答案: B

問題8

Which of the following is a limitation of operating a wireless sniffer in promiscuous mode?

A. Frames from hidden SSIDs cannot be seen.

B. Only PHY layer information can be seen.

C. The wireless adapter in use cannot be associated with an access point at the same time.

D. Multiple channels can be scanned at the same time.

正確答案: C

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