Name: 
 

Chapter 11 Practice Test


True/False
Indicate whether the sentence or statement is true or false.
 

 1. 
The MAC Addr field displays the default MAC address for the access point assigned by the manufacturer and cannot be changed.
 

 2. 
A ten-character ASCII number is found in each frame that indicates the protocol and frame format.
 

 3. 
When an access point is first turned on or when Mobile IP is first enabled on an access point, it obtains its own home agent information through advertising.
 

 4. 
Problems on the wireless device are more common than problems affecting access points.
 

 5. 
When using PSK (pre-shared key) authentication, the key value must be entered in both the Network key and Confirm network key fields and must match the key on the access point.
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 6. 
All access points have a(n) ____ connector that allows them to connect to an Ethernet hub or switch to provide wired network resources to wireless devices.
a.
MN-11
c.
PP-22
b.
RJ-45
d.
QR-9
 

 7. 
The Default IP Address and Default IP Subnet Mask fields are used only when ____ is enabled for the network.
a.
DHCP
c.
Mobile IP
b.
MAC
d.
Advanced IP
 

 8. 
When configuring advanced settings for an AP, the ____ is the domain that is serving the AP.
a.
Domain Suffix
c.
Default Domain
b.
Domain Name Server
d.
Current Domain
 

 9. 
When enabling Ethernet Timeout, the value in the Seconds field is generally set to between 30 and ____.
a.
40
c.
90
b.
60
d.
255
 

 10. 
Filtering can be performed by configuring the access point so that it acts as a type of ____.
a.
firewall
c.
bridge
b.
gateway
d.
router
 

 11. 
The default protocol of older Novell Net-Ware LANs is ____.
a.
TCP
c.
IPX
b.
UDP
d.
SPM
 

 12. 
Frames can be filtered based on the protocol of that frame, such as TCP, or ____.
a.
FTP
c.
UDP
b.
HTTP
d.
DHCP
 

 13. 
Dividing a wired network into ____ makes network management easier and decreases the spread of broadcast packets throughout the network.
a.
segments
c.
systems
b.
subnets
d.
routes
 

 14. 
In Mobile IP, the ____ agent is a router, firewall, or gateway on the visiting client’s home network that serves as the anchor point for communication with the access point and the visiting client.
a.
home
c.
visiting
b.
foreign
d.
access point
 

 15. 
In Mobile IP, what information is advertised on the network?
a.
whether an agent is a home agent, foreign agent, or both
b.
care-of address
c.
types of services provided
d.
All of the above
 

 16. 
In Mobile IP, access points use the ____ table to determine the IP address of the visiting client’s home agent.
a.
network map
c.
subnet map
b.
IP map
d.
home map
 

 17. 
With some wireless networks using Mobile IP, up to ____ AAPs can be designated.
a.
three
c.
six
b.
four
d.
ten
 

 18. 
What is the most frequent cause of wireless transmission problems?
a.
RF issues
c.
security breeches
b.
misconfiguration
d.
faulty access points
 

 19. 
When a stronger signal from one wireless device drowns out another a(n) ____ problem is occurring.
a.
RF clash
c.
all-band interference
b.
near/far transmission
d.
co-location
 

 20. 
Devices using ____ may cause all-band interference.
a.
Mobile IP
c.
frequency hopping spread spectrum
b.
WEP
d.
IEEE 802.11g
 

 21. 
The ____ layer is an attractive place to focus attention on improving the coexistence between Bluetooth and WLANs because it is where such techniques as Carrier Sense Multiple Access/Collision Avoidance (CSMA/ CA) and data rates are determined.
a.
RF
c.
PHY
b.
software
d.
MAC
 

 22. 
What is a good first step in diagnosing system throughput issues?
a.
monitor the speed of the access point
b.
remove all devices from the system then add them back one at a time
c.
determine if all devices are experiencing the problem or only a single device
d.
identify the potential causes that may have the least impact on the system if they are changed
 

 23. 
For 802.11b and 802.11g wireless LANs only three channels (1, 6, and 11) can be used to co-locate multiple access points in the same area.  This is because they ____.
a.
are dedicated to TCP
c.
are dedicated to DHCP
b.
overlap
d.
do not overlap
 

 24. 
What does a blinking green status indicator LED mean on an AP?
a.
access point is operating normally but is not associated with any wireless devices
b.
access point is associated with at least one wireless device
c.
access point not operating
d.
RF activity is occurring
 

 25. 
When using WEP as part of the transitional security model, the same ____ key must be installed on the access point and the device.  If not the wireless device may not operate properly.
a.
secure
c.
shared
b.
linked
d.
private
 

 26. 
Some computer viruses are known to cause ____.
a.
duplicate SSID
b.
incorrect MAC addresses
c.
WLAN interference
d.
intermittent connectivity problems for wireless connections
 

Completion
Complete each sentence or statement.
 

 27. 
The primary port of the AP is almost always the ____________________ network port.
 

 

 28. 
Enabling the ____________________ stops radio transmissions from the access point for the specified number of seconds if the AP detects no activity on the Ethernet line.
 

 

 29. 
The ____________________ access point uses a subnet map to keep track of the home agent information for all visiting client devices.
 

 

 30. 
When scanning, the wireless network adapter sends a series of ____________________ frames and the APs within range respond with a Beacon frame that contains the capabilities of the wireless AP, such as the supported speeds, SSID, and security options.
 

 

 31. 
If the wireless device is configured for DHCP yet no DHCP server is active, then Windows assigns a(n) ____________________ IP Addressing address that begins with the IP range 169.254.x.x.
 

 

Matching
 
 
Match each term with the correct statement below.
a.
subnet
f.
Mobile IP
b.
co-location throughput
g.
filter
c.
default domain
h.
Automatic Private IP Addressing
d.
authoritative access point
i.
domain suffix
e.
Ethernet timeout
 

 32. 
last portion of the domain name of the current network domain
 

 33. 
address that begins with the IP range 169.254.x.x
 

 34. 
control the types of network traffic that pass from the wired Ethernet network to WLAN devices
 

 35. 
portion of a network that shares a common address component
 

 36. 
uses a subnet map to keep track of the home agent information for all visiting client devices
 

 37. 
name of the network’s IP domain
 

 38. 
small amount of overlap between channels 1 and 6, as well as between channels 6 and 11
 

 39. 
stops radio transmissions from the access point for the specified number of seconds if the AP detects no activity on the Ethernet line
 

 40. 
provides users the freedom to roam beyond their home subnets while still maintaining their home IP addresses
 

Short Answer
 

 41. 
What is the purpose of the Ethernet Timeout setting on an access point?
 

 42. 
What are the three different frame formats?
 

 43. 
In Mobile IP what are the home and foreign agents?
 

 44. 
How would you solve a near/far transmission problem?
 

 45. 
List some strategies for making IEEE 802.11b/g and Bluetooth devices work together.
 

 46. 
Describe the LED indicator lights that appear on an AP.
 

 47. 
When a wireless device attempts to connect to the WLAN it goes through a five-step process.  List the steps in this process.
 

 48. 
Describe the issue of duplicate SSIDs and why this may cause a wireless device to intermittently disconnect from the AP.
 

 49. 
How would you delete the current access point configuration and return all of the settings to the factory default settings on a Cisco Aironet AP?
 

 50. 
What are some of the factors that influence system throughput?
 



 
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