Overlapping WiFi networks. Suppose there are two ISPs providing WiFi access in a particular café, with each ISP operating its own AP and having its own IP address block. Further suppose that by accident, each ISP has configured its AP to operate over channel 11. Which of the following statements are true? [Hint: Jore than one of the following statements is true].

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Overlapping WiFi networks. Suppose there are two ISPs providing WiFi access in a
particular café, with each ISP operating its own AP and having its own IP address block.
Further suppose that by accident, each ISP has configured its AP to operate over channel 11.
Which of the following statements are true? [Hint: Jore than one of the following statements
is true].
Devices will still be able to associate with one network or the other.
Two devices transmitting at the same time will interfere with each other, regardless of the network
to which they are associated.
Neither AP will be able to operate correctly, because it won't know which frames transmitted by a
device are meant to be received at which AP.
A device performing carrier sensing will only detect transmissions taking place to/from the AP to
which it is associated.
Two devices transmitting at the same time will interfere with each other, only if they are associated
with the same network
Transcribed Image Text:Overlapping WiFi networks. Suppose there are two ISPs providing WiFi access in a particular café, with each ISP operating its own AP and having its own IP address block. Further suppose that by accident, each ISP has configured its AP to operate over channel 11. Which of the following statements are true? [Hint: Jore than one of the following statements is true]. Devices will still be able to associate with one network or the other. Two devices transmitting at the same time will interfere with each other, regardless of the network to which they are associated. Neither AP will be able to operate correctly, because it won't know which frames transmitted by a device are meant to be received at which AP. A device performing carrier sensing will only detect transmissions taking place to/from the AP to which it is associated. Two devices transmitting at the same time will interfere with each other, only if they are associated with the same network
5.12. BGP: importing advertisements. Consider the network below, and assume that a
provider network only wants to carry traffic to or from its customer networks. Which of the
following statements are true (Hint: more than one statement is true)?
A
B
U
D C
legend:
provider
network
customer
network:
D will forward an advertisement for a path that terminates at x to w.
D will receive an advertisement Cx.
D will receive an advertisement ABx.
D will receive an advertisement Bx.
D will forward an advertisement for a path that terminates at x to z.
Transcribed Image Text:5.12. BGP: importing advertisements. Consider the network below, and assume that a provider network only wants to carry traffic to or from its customer networks. Which of the following statements are true (Hint: more than one statement is true)? A B U D C legend: provider network customer network: D will forward an advertisement for a path that terminates at x to w. D will receive an advertisement Cx. D will receive an advertisement ABx. D will receive an advertisement Bx. D will forward an advertisement for a path that terminates at x to z.
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