Deck 10: Managing a Wireless LAN

Question 1

Information security weaknesses can never be entirely eliminated.

Answer 1

True

Question 2

What is another name for propagation loss?

A) transmission loss
B) effective loss
C) free space loss
D) signal loss

Answer 2

C

Question 3

In the Windows operating system, what window provides basic tools for monitoring a WLAN?

A) Wireless Adapter Information
B) Wireless Network Connection Status
C) Access Point Utilities
D) Network Monitor

Answer 3

B

Question 4

Almost all WLAN vendors provide utilities to assist in monitoring the wireless network.

Question 5

Antenna adjustment may require the existing antennas to be reoriented or placed on a pole or mast for better transmission and reception.

Question 6

____ attenuators are the only type permitted by the FCC for WLAN systems.

A) Variable-loss
B) Fixed-loss
C) Bidirectional
D) Unidirectional

Question 7

____ is a nonvolatile storage chip used in computers and other devices.

A) Firmware
B) SNMP
C) RMON
D) EEPROM

Question 8

A ____ antenna is most typically used on a WLAN.

A) panel
B) rod
C) sectorized
D) beam steering

Question 9

Acquiring data, such as error statistics and packets received, from each access point and each wireless device across the network is normally a quick and easy task.

Question 10

What information is required for a link budget?

A) power of the transmitter
B) path length
C) frequency of the link
D) All of the above

Question 11

A(n) ____ amplifier boosts the RF signal before it is injected into the device that contains the antenna.

A) bidirectional
B) pre-injection
C) unidirectional
D) internal

Question 12

A wireless network is a static system.

Question 13

Most vendors illustrate their radiation patterns by splitting the three-dimensional donut into two perpendicular planes called ____ and elevation.

A) donut
B) horizontal
C) plain
D) azimuth

Question 14

What is the last step in RF site tuning?

A) adjust channel settings
B) documenting changes
C) modify throughput
D) validate coverage area

Question 15

What tool(s) are used most often as "standard" network monitoring tools?

A) AP Monitor and Simple Network Management Protocol
B) WLAN Logger and Remote Monitoring
C) Simple Network Management Protocol and Remote Monitoring
D) All of the above

Question 16

The current version of SNMP (____) addresses security and remote configuration.

A) v1
B) v2
C) v3
D) v4

Question 17

For a proper WLAN performance, the link budget must be ____ dB.

A) greater than zero
B) greater than five
C) greater than ten
D) less than ten

Question 18

Which type of RF loss is caused by the equipment itself, not external objects?

A) Refraction
B) Scattering
C) Voltage Standing Wave Ratio
D) Absorption

Question 19

When updating firmware in an enterprise-level access point, the Receiving AP must be able to hear the IP ____ issued by the Distribution AP.

A) multicast
B) unicast
C) broadcast
D) netcast

Question 20

It is important for wireless system administrators to maintain a(n) ____ log that contains a record of all problems, solutions, and configuration changes.

A) manual
B) event
C) network
D) AP

Question 21

____________________ is software that is embedded into hardware to control the device.

Question 22

Vulnerabilities that are ranked as ____ are events that would cause the organization to cease functioning or be seriously crippled in its capacity to perform.

A) major
B) catastrophic
C) significant
D) small impact

Question 23

____ security protects the equipment and infrastructure itself, and has one primary goal: to prevent unauthorized users from reaching the equipment in order to use, steal, or vandalize it.

A) Physical
B) Practical
C) Hardware
D) Social

Question 24

When conducting a security audit, ____ should determine vulnerabilities.

A) a highly-paid consultant
B) a wireless system administrator employed by the company
C) a junior administrator
D) a team with diverse backgrounds

Question 25

Many enterprise-level access points provide utilities that offer three types of information. What are they?

Question 26

List and describe three RF tuning settings.

Question 27

What is an RF amplifier?

Question 28

There are several factors that may result in RF loss. What are they?

Question 29

A(n) ____________________ antenna is typically used in outdoor areas. They are designed to be used in installations where aesthetics and high performance are key factors.

Question 30

A radio frequency link between the sender and receiver consists of three basic elements. What are they?

Question 31

The first step in the security policy cycle is to perform a(n) ____________________, which attempts to determine the nature of the risks to the organization's assets.

Question 32

What is Remote Monitoring?

Question 33

____________________ engineering relies on tricking or deceiving someone to give a hacker access to a system.

Question 34

Describe a sectorized antenna.

Question 35

Although data from the access point and devices can be beneficial, there are drawbacks to relying solely on these sources of information. What are the drawbacks?

Question 36

The first step in creating a security policy is ____.

A) risk assessment
B) security auditing
C) impact analysis
D) documentation

Question 37

What technique(s) is/are most effective for defeating social engineering attacks?

A) physical and software security
B) documentation
C) education and policies
D) undercover work by network administrators

Question 38

In order to use SNMP, a software ____________________ is loaded onto each network device that will be managed using SNMP.

Question 39

A ____ limits the amplitude and disturbing interference voltages by channeling them to the ground.

A) RF attenuator
B) splitter
C) lightning arrestor
D) phase modulator

Question 40

What are the factors that should be considered in determining the relative value of assets?

Question 41

When creating a functional (working) security policy, there are several elements that should be considered. Describe them.