Mobile Wireless Final

Which power management mode of 802.11n is an extension of Automatic Power Save Delivery (APSD) introduced by 802.113?

What guard interval is used with 64-QAM by 802.11n HT devices to reach 600 Mbps data rates?

Which mode of 802.11n operation divides time between 20 MHz operation and 40 MHz operation?

802.11n specifies CTS-to-Self as a protection method.

If all but one of the members of a service set are 802.11n capable devices __________ must be used to allow legacy client coexistence.

How long is a RIFS?

Which version of MIMO is used when a device can transmit or receive on 2 radios but can only receive on the third?

SISO wireless clients can not connect to MIMO access points.

What type of 802.11 radios are used by 802.11n devices?

What types of antenna arrays are used in beamforming under 802.11n? (Choose two)

All AP's support PoE.

The 802.3-2005 version of the standard defines PoE in clause __________.

What types of devices can provide power to a PD within a WLAN? (Choose two)

A compliant PD can accept power from a PSE up to 57 volts.

What is the maximum mA measured electric current that a class 3 PD can use?

Which PD classification is reserved for future use?

When conducting manual site surveys, which of the following may be of use to the survey team?

Of the following, which would not be of use when conducting an indoor site survey? (Choose two)

A facilities escort may be required when conducting a site survey

A lift or ladder may be required for an indoor site survey.

When conducting a site survey for 5 GHz, what should be documented?

When conducting an outdoor survey for a long distance point-to-point bridge, what should be documented?

When a user has the requirement to stay connected 100% of the time as they move throughout the WLAN coverage area, they are concerned about __________.

A previous site survey can be of use in future site survey work.

Which piece of information would be of the least use when conducting an indoor site survey?

Aesthetics are often a consideration in WLAN site surveys.

When conducting an indoor site survey, which documents would be of use?

When planning WLAN coverage within a multitenant building, what is the biggest issue to consider

When planning for guest coverage, which element of WLAN planning would be of the least concern?

A spectrum analyzer can be used to locate the source of which type of intentional attack?

hishing attacks only occur at hotspots

All Denial of Service attacks are intentional

Man in the middle attacks can be prevented by using __________.

What are the three main components of the 802.1X/EAP Framework?

What is the size of the AES encryption key used by CCMP

The Rijndael algorithm is used in which encryption mechanism?

802.1X/EAP requires that each user is issued identical authentication credentials.

Legacy RSN use mandates AES as the encryption type.

The process of placing multiple AP's in the same physical area to increase capacity is called __________.

Which two layers of the OSI model should be examined in troubleshooting capacity and coverage problems in a WLAN? (Choose two

VoIP wireless communications can tolerate up to a 10% retransmission rate without suffering noticeable degradation.

Using a high gain antenna increases throughput.

When using WLAN mesh networking to connect several buildings in a PtMP WLAN, what is the main goal of such a deployment?

What can users of hotspots do to improve their security while using the hotspot to connect to the corporate network?

many Law Enforcement agencies use frequency manager

Data Encryption is most often found in hotspot deployments