Interested to Buy Any Domain ? << Click Here >> for more details...
what are the port numbers for DNS,FTP,TELNET,SMTP,NNTP
- 5 Answers
- 62416 Views
- Airtel, Walton Group, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / jitendera kumar sinha
protocol port number
ftp data 20
ftp program 21
telnet 23
dns 53
nntp 119
smtp 25
| Is This Answer Correct ? | 91 Yes | 14 No |
Answer / anoop kumar gupta
PORT NUMBER:--
• 18 – MSP (Message Send Protocol)
• 20 - FTP (File Transfer Protocol) for data transfer
• 21 – FTP (File Transfer Protocol) for data control
• 23 – Telnet
• 22 – SSH - Remote Login Protocol
• 25 - SMTP (Simple Mail Transfer Protocol) for is
used for sending mails.
• 53 – DNS (Domain Name System)
• 67 – DHCP (Dynamic Host Configuration Protocol) for
sending data to the server – Bootps
• 68 – DHCP (Dynamic Host Configuration Protocol) for
data to the client - Bootpc
• 80 – HTTP (Hypertext Transfer Protocol)
• 109 – POP2
• 110 - POP3 (Post Office Protocol) used for
receiving mails but it uses log-in process.
• 119 – NNTP (Network News Transfer Protocol)
• 137 – NetBIOS Name Service
• 139 – NetBIOS Datagram Service
• 143 – IMAP4 (Interim Mail Access Protocol) used for
receiving mails.
• 150 – NetBIOS Session Service
• 161 – SNMP
• 179 – BGP (Border Gateway Protocol)
• 389 – LDAP (Lightweight Directory Access Protocol)
• 443 – HTTPS (HTTP-secure)
• 546 – DHCP Client
• 547 – DHCP Server
| Is This Answer Correct ? | 55 Yes | 2 No |
Answer / rakesh kumar agrawal
dns =53
ftp= 20
telnet=23
smtp=25
nntp=119
| Is This Answer Correct ? | 52 Yes | 5 No |
Answer / 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 |
Write the procedure for Router for configuring DHCP?
What must be true for two routers running IGRP to communicate their routes? A.) Same autonomous system number B.) Connected using Ethernet only C.) Use composite metric D.) Configured for PPP
Identify the keystroke used to terminate the setup mode? A.) Ctrl-K B.) Crtl-C C.) Ctrl-Z D.) Crtl-End
What command can be used to test IPX connectivity? A.) Ping 2e.000.0045.8923 B.) Ping 192.168.100.1 C.) Ping ipx 2e.0000.0045.8923 D.) Ipx ping 2e.0000.0045.8923
How does the cut-through switching technique work? A.) By using broadcast address as source addresses B.) The switch waits only for the header to be received before it checks the destination address and starts forwarding the packets C.) The LAN switch copies the entire frame into its onboard buffers and then looks up the destination address in its forwarding, or switching, table and determines the outgoing interface D.) By using a Class I repeater in a collision domain
What is VLSM ?
What is the difference between the user mode and the privileged mode?
The Network layer works with which of the following: A.) Globules B.) Bits C.) Packets D.) Segments E.) Frames
What is the default bandwidth of a serial connection? A.) 1200 baud B.) 1.544 Mbps (T1) C.) 10 Mbps D.) 96Kpbs
Can anyone explain the load balancing of PVST+????
Mention what does data packets consist of?
Which of the following describe SMTP? A.) Used for downloading files to the router. B.) Used for sending e-mail. C.) Uses TCP. D.) Uses UDP. E.) Uses port 25. F.) Used for managing IP devices.
CCNA 
