C172 - Network and Security
Foundations - Post Assessment
Site surveys obtain the following information. (Choose all that apply.)
Electrical power
Supported bandwidth
Connection points to the main network.
RF coverage Ans- Electrical power
Supported bandwidth
Connection points to the main network.
RF coverage
MIMO uses wave division multiplexing.
False
True Ans- False
Which of the following is not a type of dispersion?
Modal
Polarization mode
,Light
Chromatic Ans- Light
Single-mode fibers use high-power, highly directional modulated light sources.
False
True Ans- True
The port number for DNS is ____.
21
23
25
80
53 Ans- 53
NAT translates private MAC addresses to public ones.
False
True Ans- False
,Data rates can be much higher in a wired network versus a wireless network.
True
False Ans- True
Routers use the ____ to route packets.
None of these
Network address
Router address
IP address Ans- IP address
Which of the following is used to send traffic to multiple systems that all possess the same address?
unicast
All of these are IPv6 addresses
anycast
multicast Ans- anycast
Routers are associated with which layer of the OSI model?
Network
Application
, Presentation
Transport
Data Link Ans- Network
With an address of 197.15.22.31 and a subnet mask of 255.255.255.224, how many bits have been
borrowed to create a subnet?
3
4
1
2 Ans- 3
You want to secure WAPs of your company's network from unauthorized access. Which of the following
is the most secure encryption method?
WPA2
WEP
WEP2
WPA Ans- WPA2
A bridge is easy to install.
Foundations - Post Assessment
Site surveys obtain the following information. (Choose all that apply.)
Electrical power
Supported bandwidth
Connection points to the main network.
RF coverage Ans- Electrical power
Supported bandwidth
Connection points to the main network.
RF coverage
MIMO uses wave division multiplexing.
False
True Ans- False
Which of the following is not a type of dispersion?
Modal
Polarization mode
,Light
Chromatic Ans- Light
Single-mode fibers use high-power, highly directional modulated light sources.
False
True Ans- True
The port number for DNS is ____.
21
23
25
80
53 Ans- 53
NAT translates private MAC addresses to public ones.
False
True Ans- False
,Data rates can be much higher in a wired network versus a wireless network.
True
False Ans- True
Routers use the ____ to route packets.
None of these
Network address
Router address
IP address Ans- IP address
Which of the following is used to send traffic to multiple systems that all possess the same address?
unicast
All of these are IPv6 addresses
anycast
multicast Ans- anycast
Routers are associated with which layer of the OSI model?
Network
Application
, Presentation
Transport
Data Link Ans- Network
With an address of 197.15.22.31 and a subnet mask of 255.255.255.224, how many bits have been
borrowed to create a subnet?
3
4
1
2 Ans- 3
You want to secure WAPs of your company's network from unauthorized access. Which of the following
is the most secure encryption method?
WPA2
WEP
WEP2
WPA Ans- WPA2
A bridge is easy to install.
