WGU C172 - Network and Security
Foundations - Post Assessment
Questions and Answers Already Graded
A+
Site surveys obtain the following information. (Choose all that apply.)
Electrical power
Supported bandwidth
Co
...
WGU C172 - Network and Security
Foundations - Post Assessment
Questions and Answers Already Graded
A+
Site surveys obtain the following information. (Choose all that apply.)
Electrical power
Supported bandwidth
Connection points to the main network.
RF coverage ✔✔Electrical power
Supported bandwidth
Connection points to the main network.
RF coverage
MIMO uses wave division multiplexing.
False
True ✔✔False
Which of the following is not a type of dispersion?
Modal
Polarization mode
Light
Chromatic ✔✔Light
Single-mode fibers use high-power, highly directional modulated light sources.
False
True ✔✔True
The port number for DNS is ____.
21
23
25
80
53 ✔✔53
NAT translates private MAC addresses to public ones.
False
True ✔✔False
Data rates can be much higher in a wired network versus a wireless network.
True
False ✔✔True
Routers use the ____ to route packets.
None of these
Network address
Router address
IP address ✔✔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 ✔✔anycast
Routers are associated with which layer of the OSI model?
Network
Application
Presentation
Transport
Data Link ✔✔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 ✔✔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 ✔✔WPA2
A bridge is easy to install.
False
True ✔✔True
UDP uses acknowledgements.
False
True ✔✔False
A router resides at which layer of the OSI Model?
Layer 3
Layer 2
Layer 1
Layer 4 ✔✔Layer 3
Which of the following is not an advantage of wireless networks?
No cables
Can simplify deployment to remote areas
Secure
Can be accessed from different locations ✔✔Secure
Question 17 : What is the hexadecimal equivalent of 1011?
B
11
F
A ✔✔B
The port number for SMTP is ____.
23
21
53
80
25 ✔✔25
The router's routing tables allow the router to ____.
Keep track of network addresse
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