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Ping and traceroute are the go-to tools for diagnosing routing issues. Ping is a very straightforward tool. It transmits a "echo request" packet over the Internet Control Message Protocol (ICMP) to the destination device, which responds with a "echo response" packet.
If your ISP provides a catch-all POP3 mailbox and someone sends a message to a non-existent user, or if someone sends a message to you with a BCC, the recipient email address will not be in the headers anyplace that VPOP3 can detect it, routing issues can arise.
Ping one computer using another computer on the same network to see if your router is working. If your router is in good working order, you should be able to do so. The firewall on your machine must also be turned off.
Learner's Ratings
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Reviews
R
Rashid Khan
5
Great learning experience about the networking concepts..
Ahmar khan
5
Best teacher
M
Mohammad Koushar
4
This course is very helpful for learner specially I get very benefit of this course. well-done keep it up.
M
Mohammad tayyeb
5
networking course is very very helpful and very easiest for understanding
R
Ranga
5
Very easily understandable. Please also make CCNP , CCIE and CCArch videos available.
A
Anurag Nigam
5
The method of teaching is very simple and easy to understand,all the important topics are defined very well.I have cleared my all doubts throughout the course study.
S
Sumit Pakhira
4
good
V
Vivek Kumar basant
5
Sir cirtificate download ni ho rha error sir I'm course complete 💯✅ issue this cirtificate plz help me sir
M
MASUM ANSARI
5
Dear Sir,
I have seen all the videos and it is complete but when I am applying for the certificate the error is coming. So please solve this problem as soon as possible.
Ranjeet Kumar
4
Nice Content Provide LearnVern
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