what are the port numbers for DNS,FTP,TELNET,SMTP,NNTP
Answer Posted / lamesgin
protocol port number
DNS 53
SMTP 25
FTP data 20
FTP control 21
TELNET 23
NNTP 119
| Is This Answer Correct ? | 33 Yes | 3 No |
Post New Answer View All Answers
Explain the difference between half-duplex and full-duplex?
Tell me which multicast ip eigrp protocol use?
Define network congestion?
Explain the difference between baseband and broadband transmission in ccna?
Default packet size of ipv6?
Utilizing RIP, what is the limit when it comes to number of hops?
Explain what is eigrp?
Can you explain PPP protocol?
Tell me when we use standard access-list?
Define the igp (interior gateway protocol)?
What is the subnet? Why is it used?
What are the different layers of osi model?
Which peer authentication method and which ipsec mode is used to connect to the branch locations?
On which base switches take decisions?
Suppose there are 3 pc's pc1 pc2 and pc3 all are connected with each other pc 1 is able to ping pc2 and pc3 but pc2 and pc 3 not able to ping pc 1 then what is an issue troubleshoot it?