[Free] 2017(July) EnsurePass Examcollection Cisco 200-355 Dumps with VCE and PDF 71-80

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Implementing Cisco Wireless Network Fundamentals

Question No: 71

Which IEEE 802.11n client feature can combine the signal from multiple antennas and radio chains to improve SNR?

  1. channel aggregation

  2. spatial multiplexing

  3. MAC layer efficiency

  4. TxBF

  5. MRC

  6. MCS

Answer: E

Question No: 72

What is the effect of increasing antenna gain on a radio?

  1. focusing energy in a defined direction

  2. adding energy creating a larger cell

  3. aligning phase shifting

  4. improving frequency specific diversity

Answer: B

Question No: 73

Which option describes why most wireless phones and tablets do not use 802.11a/n and 40 MHz channels?

  1. a lack of radio range when using these radios

  2. a lack of device battery capacity to operate concurrent a/b/g/n radios

  3. a lack of cooling in the device necessary to operate these radios

  4. These radios would require the devices to be larger.

Answer: B

Question No: 74

When the enterprise-based authentication method is used for WPA2, a bidirectional handshake exchange occurs between the client and the authenticator.

Which five options are results of that exchange being used on a controller-based network? (Choose five.)

  1. a bidirectional exchange of a nonce used for key generation

  2. binding of a Pairwise Master Key at the client and the controller

  3. creation of the Pairwise Transient Key

  4. distribution of the Group Transient Key

  5. distribution of the Pairwise Master key for caching at the access point

  6. proof that each side is alive

Answer: A,B,C,D,F

Question No: 75

You are setting up a laptop to connect to the wireless network of your organization. The protocols that are used for the corporate network are WPA2 Enterprise, PEAP, and AES. Which three parameters do you need to configure in the Windows 7 wireless network properties for this connection? (Choose three.)

  1. VLAN

  2. encryption type

  3. authentication method

  4. VRF

  5. security type

  6. IP address

Answer: B,C,E

Question No: 76

What two methods of authentication are available for Local EAP?

  1. LDAP and RADIUS

  2. Local and RADIUS

  3. Local Only

  4. LDAP and Local

Answer: D

Question No: 77

You have an organization that has a growing number of standalone APs. You would like to migrate to lightweight APs and manage them through Cisco WCS.

Which software platform allows you to make this migration?

  1. The enterprise version of Cisco WCS allows this migration and provides the most flexibility in the number of APs supported.

  2. CiscoWorks WLSE is the only management platform that allows this migration, but it is limited to 500 APs.

  3. You can migrate your network to Cisco WCS single server with the CiscoWorks WLSE upgrade software upgrade.

  4. You can migrate the network by using either the single server or enterprise software platforms, both using the CiscoWorks WLSE upgrade software upgrade.

Answer: C

Question No: 78

When using OFDM, how many subcarriers are devoted to carrying data?

  1. 4

  2. 12

  3. 44

  4. 48

  5. 52

Answer: D

Question No: 79

You are about to use a hotel#39;s guest wireless services using a wireless laptop. Which three items do you need to establish a wireless connection? (Choose three.)

  1. SSID name

  2. RF channel

  3. RF signal

  4. 802.1X/EAP credentials

  5. pre-shared key

  6. web page

  7. WPA/WPA2 settings

Answer: A,C,F

Question No: 80

Refer to the exhibit.

image

Which option must be chosen if only the WPA is needed?

  1. WPA WPA2

  2. Static-WEP 802.1X

C. 802.1X

D. CKIP

Answer: A

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