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HP Implementing and Troubleshooting HP Wireless Networks Sample Questions:

1. How does 802.1h (DFS) help 802.11 devices avoid interference?

A) The standard ensures that 802.11n devices do not interface with radar in the 5 GHz frequency range.
B) The standard enables 802.11g and 802.11n devices to switch channels when interference causes the SNR to drop below the minimum level.
C) The standard ensures that 802.11 devices do mil interfere with other, non-802 11, devices that use the 2.4 GHz range.
D) The standard enables APs to switch channels when they encounter any interference in the 5.0 GHz range.

2. 17 of 22
Which 802.11n technology involves a radio transmitting the same data on more than one antenna?

A) Beam forming
B) Diversity transmission
C) Band steering
D) Multiple spatial streaming

3. Refer to the exhibit.
Wireless local mesh A network administrator needs to configure a dynamic wireless mesh to connect HP MSM AP 1 to the network. AP 1 will installed outdoors where Ethernet not available. It will connect to AP 2 or to AP 3, one of which will provide the primary link and one of which will act as backup. both Ap2 and AP 3 have connection to the Ethernet network and should not connect to each other.

Where are appropriate roles for the three APs?

A) 1 = Slave: 2 = Master: 3 = Master
B) 1 = Slave: 2 = Alternate master: 3 = Alternate master
C) 3 = Alternate master: 2 = Alternate master; 3 = Alternate master
D) 1 = Slave: 2 = Master, 3 = Alternate master

4. How does opportunistic key caching speed up the roaming process?

A) After a station authenticates with an AP, it pre-authenticates with neighboring APs, which cache the pair wise master key in case the station later roams.
B) When SNR of a station begins to drop, it pre-authenticates with neighboring APs, which cache the pair wise master key of the station for a user-defined amount.
C) When a station authenticates, the AP sends encryption keys to the controller, which distributes them to all APs in the mobility domain.
D) When a station decides to roam, it notifies its AP, which then distributes the pair wise master key of the stations to APs in its mobility domain.

5. A company is using the internal login pages of an HP MSM Controller to provide Web-Auth service to guests but wants to customize these pages. The designer wants to create wants to create logout links in the custom welcome pages an example of valid code for this purpose.
The network administrator can refer the Web designer to one default controller that includes a logout button. Which file is this?

A) session.asp
B) index.asp
C) welcome.asp
D) goodbye.asp

Solutions: