Question 1

Compare and contrast analog and digital RF signals.

Accepted Answer

RF data is transmitted as analog or digi

Question 2

MATCHING
-the bit pattern used in direct sequence spread spectrum

Accepted Answer

A) absorption 
B) amplitude 
C) antenna 
D) chipping code 
E) diffraction
F)fading
G)free space path loss
H)Fresnel zone
I)hopping code
J)polarization 
A) absorption 
B) amplitude 
C) antenna 
D) chipping code 
E) diffraction
F)fading
G)free space path loss
H)Fresnel zone
I)hopping code
J)polarization

Question 3

MATCHING
-the sequence of changing frequencies in FHSS that determines the sequence and speed of frequency hops

Accepted Answer

A) absorption 
B) amplitude 
C) antenna 
D) chipping code 
E) diffraction
F)fading
G)free space path loss
H)Fresnel zone
I)hopping code
J)polarization 
A) absorption 
B) amplitude 
C) antenna 
D) chipping code 
E) diffraction
F)fading
G)free space path loss
H)Fresnel zone
I)hopping code
J)polarization

Question 4

Why should you use caution when using multiple APs?

Accepted Answer

Although overall performance and coverag

Question 5

Which of the following tasks does an AP typically perform?

Accepted Answer

A)  bridges between the wired and wireless network 
B)  acts as a hub for a wired network 
C)  routes packets from subnet to subnet 
D)  divides data into packets 
A)  bridges between the wired and wireless network 
B)  acts as a hub for a wired network 
C)  routes packets from subnet to subnet 
D)  divides data into packets

Question 6

Describe OFDM.

Accepted Answer

In orthogonal frequency division multipl

Question 7

Which RF transmission method uses an expanded redundant chipping code to transmit each bit?

Accepted Answer

A)  FHSS 
B)  OFDM 
C)  CDMA 
D)  DSSS 
A)  FHSS 
B)  OFDM 
C)  CDMA 
D)  DSSS

Question 8

MATCHING
-the loss of signal strength resulting from the dispersion of the signal over distance

Accepted Answer

A) absorption 
B) amplitude 
C) antenna 
D) chipping code 
E) diffraction
F)fading
G)free space path loss
H)Fresnel zone
I)hopping code
J)polarization 
A) absorption 
B) amplitude 
C) antenna 
D) chipping code 
E) diffraction
F)fading
G)free space path loss
H)Fresnel zone
I)hopping code
J)polarization

Question 9

Which of the following is true about RF transmissions?

Accepted Answer

A)  EM radiation is measured in volts 
B)  frequency has an inverse relationship with wavelength 
C)  frequency is the distance between waves 
D)  cooler objects produce higher-frequency radiation than hotter objects 
A)  EM radiation is measured in volts 
B)  frequency has an inverse relationship with wavelength 
C)  frequency is the distance between waves 
D)  cooler objects produce higher-frequency radiation than hotter objects

Question 10

What is the difference between directed IR transmission and diffused IR transmission?

Accepted Answer

A directed IR transmission requires the

Question 11

What is a Basic Service Set?

Accepted Answer

A)  a group of wireless devices served by a single AP 
B)  multiple APs are set up to provide some overlap 
C)  a wireless network that does not use an AP 
D)  wireless devices set up as a basic ad-hoc network 
A)  a group of wireless devices served by a single AP 
B)  multiple APs are set up to provide some overlap 
C)  a wireless network that does not use an AP 
D)  wireless devices set up as a basic ad-hoc network

Question 12

MATCHING
-the plane on which radio waves propagate,or the orientation of the radio waves as they leave the antenna

Accepted Answer

A) absorption 
B) amplitude 
C) antenna 
D) chipping code 
E) diffraction
F)fading
G)free space path loss
H)Fresnel zone
I)hopping code
J)polarization 
A) absorption 
B) amplitude 
C) antenna 
D) chipping code 
E) diffraction
F)fading
G)free space path loss
H)Fresnel zone
I)hopping code
J)polarization

Question 13

MATCHING
-a phenomenon tin which a signal bends around objects in its path

Accepted Answer

A) absorption 
B) amplitude 
C) antenna 
D) chipping code 
E) diffraction
F)fading
G)free space path loss
H)Fresnel zone
I)hopping code
J)polarization 
A) absorption 
B) amplitude 
C) antenna 
D) chipping code 
E) diffraction
F)fading
G)free space path loss
H)Fresnel zone
I)hopping code
J)polarization

Question 14

What is used to convert an analog RF signal into digital format?

Accepted Answer

A)  spectrum 
B)  EIRP 
C)  modulator 
D)  carrier 
A)  spectrum 
B)  EIRP 
C)  modulator 
D)  carrier

Question 15

Which of the following pairs represents a medium frequency band and its common use?

Accepted Answer

A)  300 KHz-3MHz, AM radio 
B)  144-174 MHz, TV channels 
C)  30-300 KHz, cordless phones 
D)  3-30 MHz, CB and shortwave radio 
A)  300 KHz-3MHz, AM radio 
B)  144-174 MHz, TV channels 
C)  30-300 KHz, cordless phones 
D)  3-30 MHz, CB and shortwave radio

Question 16

Which of the following causes of signal loss is defined as differences in density between air masses over distance?

Accepted Answer

A)  reflection 
B)  absorption 
C)  scattering 
D)  refraction 
A)  reflection 
B)  absorption 
C)  scattering 
D)  refraction

Question 17

In which frequency range are you likely to find WLANs?

Accepted Answer

A)  30-300 GHz 
B)  174-328 MHz 
C)  2.9-30 GHz 
D)  3-30 MHz 
A)  30-300 GHz 
B)  174-328 MHz 
C)  2.9-30 GHz 
D)  3-30 MHz

Question 18

Which of the following is true about infrared transmissions?

Accepted Answer

A)  directed IR transmission relies on reflected light 
B)  diffused IR transmission requires emitter and detector to be aligned 
C)  the intensity of the light pulse indicates the on or off status of each bit 
D)  IR transmissions have speeds up to 25 Mbps. 
A)  directed IR transmission relies on reflected light 
B)  diffused IR transmission requires emitter and detector to be aligned 
C)  the intensity of the light pulse indicates the on or off status of each bit 
D)  IR transmissions have speeds up to 25 Mbps.

Question 19

A _________________ IR transmission relies on reflected light that can bounce off walls and other objects.

Accepted Answer

The answer of A _________________ IR transmission relies on reflected...

Question 20

Which wireless networking standard uses the 2.4 GHz band and has a maximum bandwidth of 54 MBps?

Accepted Answer

A)  802.11a 
B)  802.11b 
C)  802.11ac 
D)  802.11g 
A)  802.11a 
B)  802.11b 
C)  802.11ac 
D)  802.11g

Compare and contrast analog and digital RF signals.

MATCHING -the bit pattern used in direct sequence spread spectrum

MATCHING -the sequence of changing frequencies in FHSS that determines the sequence and speed of frequency hops

Why should you use caution when using multiple APs?

Which of the following tasks does an AP typically perform?

Describe OFDM.

Which RF transmission method uses an expanded redundant chipping code to transmit each bit?

MATCHING -the loss of signal strength resulting from the dispersion of the signal over distance

Which of the following is true about RF transmissions?

What is the difference between directed IR transmission and diffused IR transmission?

What is a Basic Service Set?

MATCHING -the plane on which radio waves propagate,or the orientation of the radio waves as they leave the antenna

MATCHING -a phenomenon tin which a signal bends around objects in its path

What is used to convert an analog RF signal into digital format?

Which of the following pairs represents a medium frequency band and its common use?

Which of the following causes of signal loss is defined as differences in density between air masses over distance?

In which frequency range are you likely to find WLANs?

Which of the following is true about infrared transmissions?

A _________________ IR transmission relies on reflected light that can bounce off walls and other objects.

Which wireless networking standard uses the 2.4 GHz band and has a maximum bandwidth of 54 MBps?

Network Security Fundamentals

TCP-IP

Network Traffic Signatures

Routing Fundamentals

Cryptography

Understanding Wireless Security

Intrusion Detection and Prevention Systems

Firewalls

Firewall Design and Management

VPN Concepts

Internet and World Wide Web Security

Security Policy Design and Implementation

On-Going Security Management

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Exam 6: Wireless Network Fundamentals

Compare and contrast analog and digital RF signals.

MATCHING -the bit pattern used in direct sequence spread spectrum

MATCHING -the sequence of changing frequencies in FHSS that determines the sequence and speed of frequency hops

Why should you use caution when using multiple APs?

Which of the following tasks does an AP typically perform?

Describe OFDM.

Which RF transmission method uses an expanded redundant chipping code to transmit each bit?

MATCHING -the loss of signal strength resulting from the dispersion of the signal over distance

Which of the following is true about RF transmissions?

What is the difference between directed IR transmission and diffused IR transmission?

What is a Basic Service Set?

MATCHING -the plane on which radio waves propagate,or the orientation of the radio waves as they leave the antenna

MATCHING -a phenomenon tin which a signal bends around objects in its path

What is used to convert an analog RF signal into digital format?

Which of the following pairs represents a medium frequency band and its common use?

Which of the following causes of signal loss is defined as differences in density between air masses over distance?

In which frequency range are you likely to find WLANs?

Which of the following is true about infrared transmissions?

A _________________ IR transmission relies on reflected light that can bounce off walls and other objects.

Which wireless networking standard uses the 2.4 GHz band and has a maximum bandwidth of 54 MBps?

Network Security Fundamentals

TCP-IP

Network Traffic Signatures

Routing Fundamentals

Cryptography

Understanding Wireless Security

Intrusion Detection and Prevention Systems

Firewalls

Firewall Design and Management

VPN Concepts

Internet and World Wide Web Security

Security Policy Design and Implementation

On-Going Security Management

Filters