Cisco 642-747 Online Practice Questions and Exam Preparation

Cisco 642-747 Online Questions & Answers

• Question 1:

  Which two statements correctly describe ClientLink on a Cisco WLC v7.0.116.0? (Choose two.)

  A. It is supported on 802.11n APs for 802.11n clients.
  B. It is supported on 802.11n APs for 802.11a/g clients.
  C. It is supported on non-802.11n APs for 802.11a/b/g clients.
  D. Beamforming starts only when 802.11a clients reach a minimum of -50 dBm or weaker.
  E. Beamforming starts only when 802.11a clients reach a minimum of -60 dBm or weaker.
  F. Beamforming starts only when 802.11a clients reach a minimum of -70 dBm or weaker.
  B. It is supported on 802.11n APs for 802.11a/g clients.
  E. Beamforming starts only when 802.11a clients reach a minimum of -60 dBm or weaker.

• Question 2:

  Which two descriptions are examples of how location services can be adjusted at the Cisco WLC v7.0? (Choose two.)

  A. Disable RFID tag tracking if there are no tags in the respective locations of the controller APs.
  B. Disable wireless client tracking if there are no requirements for the respective locations of the controller APs.
  C. Increase RFID timeouts from defaults if tags are beaconing at 30 seconds.
  D. Decrease RFID timeouts from defaults if tags are beaconing at 30 seconds.
  A. Disable RFID tag tracking if there are no tags in the respective locations of the controller APs.
  D. Decrease RFID timeouts from defaults if tags are beaconing at 30 seconds.

• Question 3:

  An engineer notices the chokepoint MAC address of 00:0c:cc:60:00:01 on the detail page for an AeroScout tag, but there is no known chokepoint with that MAC on the network. Why is the address being reported?

  A. misconfigured chokepoint
  B. rogue chokepoint
  C. tag battery low
  D. tag battery changed
  D. tag battery changed

• Question 4:

  Which two options describe the ability to schedule AP power status? (Choose two.)

  A. switch management configuration of respective switch port PoE status connected to AP
  B. Cisco WLC v7.0 configuration for time of day for combined AP radio status
  C. Cisco WLC v7.0 configuration for time of day for individual AP radio status
  D. Cisco WCS v7.0 configuration for time of day for combined AP radio status
  E. Cisco WCS v7.0 configuration for time of day for individual AP radio status
  A. switch management configuration of respective switch port PoE status connected to AP
  D. Cisco WCS v7.0 configuration for time of day for combined AP radio status

• Question 5:

  What happens when a Cisco WCS v7.0 user attempts to log in with the correct username and password but has no domain assigned?

  A. The user is logged into the Cisco WCS root domain.
  B. The user is not allowed to log into Cisco WCS.
  C. The user is logged into Cisco WCS and given an error message, and then is logged out.
  D. The user is logged into a default monitor-only domain.
  A. The user is logged into the Cisco WCS root domain.

• Question 6:

  What is the default minimum requirement for location tracking of a device?

  A. three APs at better than -67 dBm
  B. three APs at better than -70 dBm
  C. three APs at better than -75 dBm
  D. three APs at better than -80 dBm
  E. four APs at better than -67 dBm
  F. four APs at better than -70 dBm
  G. four APs at better than -75 dBm
  C. three APs at better than -75 dBm

• Question 7:

  The primary Cisco WLC v7.0 has rebooted to a newer version of software, causing the APs to associate to the secondary controller or controllers. Given the default configuration parameters, what happens when the primary Cisco WLC is back in service?

  A. APs remain on the existing controller.
  B. APs remain on the existing controller until the APs are loaded with newer software, and then will return to the primary controller.
  C. APs return to the prior controller on a first-come, first-serve basis.
  D. APs return to the prior controller based on AP Failover Priority Level 1 first, followed by 2 through 4 ascending.
  E. APs return to the prior controller based on AP Failover Priority Level 4 first, followed by 3 through 1 descending.
  C. APs return to the prior controller on a first-come, first-serve basis.

• Question 8:

  What are the three conditions that must be met to consider a link between a parent and child to be optimal? (Choose three.)

  A. The link to the parent must offer at least 10-dBm SNR.
  B. Both APs have the same BGN.
  C. The channel to the potential preferred parent can have no interference.
  D. The link to the parent must offer at least 20-dBm SNR.
  E. The channel to the potential preferred parent is not silent or blacklisted.
  F. Both APs must use the default BGN.
  B. Both APs have the same BGN.
  D. The link to the parent must offer at least 20-dBm SNR.
  E. The channel to the potential preferred parent is not silent or blacklisted.

• Question 9:

  What might prevent an OEAP from joining a remote controller?

  A. Too many SSIDs are configured on the OEAP.
  B. Appropriate TCP ports are not allowed through a firewall.
  C. Too many clients are attempting to join the OEAP.
  D. Appropriate UDP ports are not allowed through a firewall.
  D. Appropriate UDP ports are not allowed through a firewall.

• Question 10:

  Which two are supported operating systems for installation of Cisco WCS v7.0? (Choose two.)

  A. Windows Server 2003 - 32 bit
  B. Windows Server 2003 - 64 bit
  C. Windows Server 2008 - 32 bit
  D. Windows Server 2008 - 64 bit
  E. Windows 7 Professional or above - 32 bit
  F. Windows 7 Professional or above - 64 bit
  G. Red Hat Linux Enterprise Server 5.X - 32 bit
  H. Red Hat Linux Enterprise Server 5.X - 64 bit
  A. Windows Server 2003 - 32 bit
  G. Red Hat Linux Enterprise Server 5.X - 32 bit