Cisco 200-355 Free Practice Questions

Question No: 8

The IEEE 802.11n standard provides 40-MHz channels, improved MAC efficiency, and MIMO.

Which three elements define the 802.11n implementation of MIMO? (Choose three.)

A. channel bonding

B. dynamic frequency selection

C. maximal ratio combining

D. packet aggregation

E. spatial multiplexing

F. transmit beam forming

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Question No: 9

An access point is currently transmitting at 4 mW. The customer needs to increase its signal strength by 6 dB to create a larger wireless cell. What should the new transmit power be?

A. 8 mW

B. 10 mW

C. 12 mW

D. 16 mW

E. 24 mW

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Question No: 10

Which two types of encryption does Windows support for WPA2 security for wireless connections? (Choose two.)

A. AES

B. DES

C. PGP

D. TKIP

E. WEP

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Question No: 11

Which CAPWAP AP management-access method is available as the default setting?

A. only the console port

B. the console port and SSH

C. the console port, SSH, and HTTPS

D. SSH only

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Question No: 12

Which two algorithms are available in RRM? (Choose two.)

A. coverage-hole detection

B. dynamic channel assignment

C. RSSI normalizer

D. transmitting channel expander

E. rogue detection

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Question No: 13

A customer has a corporate SSID that is configured to authenticate against an ACS server to validate client credentials on the corporate SSID. The customer has a firewall logically positioned on the network between the WLC and the ACS server in the network architecture. Which port must the firewall allow to ensure that authentication can occur?

A. 43

B. 1812

C. 5146

D. 8143

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Question No: 14

Which encryption algorithm does WPA use?

A. RC4

B. DES

C. AES

D. DH5

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Question No: 15

Refer to the exhibit. The wireless engineer has deployed the Cisco 5508 Wireless Controller. The controller is responding on the service port; however, it will not respond on the management interface. Which configuration revision will fix the management interface?

A. On the switch interface, configure switch(config-if)#switchport trunk allowed vlan add 10.

B. On the WLC management interface, disable LAG on the management network.

C. On the switch interface, configure switch(config-if)#switchport trunk allowed vlan 10.

D. On the WLC management interface, change the VLAN ID to 20.

E. On the switch interface, configure no spanning-tree portfast trunk.

F. On WLC Controller > General, disable LAG and reboot.

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Question No: 16

When a wireless guest network is implemented using auto-anchor mobility in a controller- based wireless network, which controller is responsible for a guest client's IP address and their security configuration?

A. any controller that supports the same VLAN

B. foreign controller

C. anchor controller

D. master controller

E. RF group master controller

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Question No: 17

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?

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

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

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

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

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