Banghua Zhao
  • Member for 3 years, 2 months
  • Last seen more than a month ago
A scenario where split horizon with poisoned reverse doesn’t work?
Accepted answer
3 votes

Consider this: B | \ 1 | \1 | \ A -- C | 1 + | D At time t, link between A and D is broken. A tells B & C that D is unreachable by DA(D) = inf B ...

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Slotted Aloha Protocol divides up time into slots, each slot corresponding to one frame. Is this same TDM?
2 votes

In additional to Cown's detailed answer, there are two pictures that can show the difference. In TDM, nodes access to the channel in "rounds". Each node gets fixed length slot (length = packet ...

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CRC done by ICMP?
2 votes

In addition to Zac67's good clarification about ICMP and TTL, cyclic redundancy check (CRC) is an error-detection technique typically used in the link layer in an adapter. Before talking about CRC, ...

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Sender and Receiver timers in GBN, SR and TCP?
Accepted answer
2 votes

Is there a Timeout timer for EACH packet or one timeout timer for all of the packets? Answer: For GBN and TCP, there is only one timeout timer for all of the packets, which can be thought of as ...

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Why do we need a 3-way handshake? Why not just 2-way?
1 votes

Simple answer: Both client and server need to know that they can be connected. For client: actually a two-way handshake is enough because it sends to server and server sends back. For server: three-...

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How can i monitor ARP packet on WiFi network?
1 votes

I don't know how do you monitor ARP packet but I think what you see is correct. Here are the reasons: First, you ARP request packet will be broadcast to LAN by switches. Your computer only needs to ...

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Is this example of distance vector routing wrong?
Accepted answer
0 votes

I think it is correct. As indicated by the caption of Figure 19.6, it only represents the Figure 19.5a, i.e. (a) Node 1's routing table before update. Then there are some changes to the network and ...

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