Answer Posted / sunilbaglur

the differnt types of port nos and its uses are

http 80/tcp World Wide Web HTTP
https 443/tcp http protocol over TLS/SSL
smtp 25/tcp Simple Mail Transfer
snmp 161/tcp SNMP
ftp-data 20/tcp File Transfer [Default Data]
ftp 21/tcp File Transfer [Control]
ftps-data 989/tcp ftp protocol, data, over TLS/SS
ftps 990/tcp ftp protocol, control, over
TLS/SSL
telnet 23/tcp Telnet
telnets 992/tcp telnet protocol over TLS/SSL
nfs 2049/tcp Network File System - Sun
Microsystems
pop2 109/tcp Post Office Protocol - Version 2
pop3 110/tcp Post Office Protocol - Version 3
imap 143/tcp Internet Message Access Protocol
imaps 993/tcp imap4 protocol over TLS/SSL
tftp 69/tcp Trivial File Transfer
tftps 3713/tcp TFTP over TLS
domain 53/tcp Domain Name Server
nntp 119/tcp Network News Transfer Protocol
dhcpv6-client 546/tcp DHCPv6 Client
dhcpv6-server 547/tcp DHCPv6 Server
ldap 389/tcp Lightweight Directory Access
Protocol
sftp 115/tcp Simple File Transfer Protocol
ssh 22/tcp SSH Remote Login Protocol
msft-gc 3268/tcp Microsoft Global Catalog
msft-gc-ssl 3269/tcp Microsoft Global Catalog with
LDAP/SSL

Do I need a dedicated ip?

1111

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1237

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How do you check if smtp port is open?

1167

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How does tcp ip socket work?

1113

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What is thread in operating system?

1121

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How do you check your ip address?

1226

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What is j std 001 class 3?

1201

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Explain what is the pdu of "network layer" and "data link layer"?

1183

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Who wrote indian penal code?

1056

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Hey friends, i want to do a telecom protocol development course in Pune. plz mention some good instituition.what is its scope.plz help me out.course(MAC,RLC,RRC,VOIP,3G,GSM, ss7, SIP)

2507

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How does interprocess communication work?

1160

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How do I find my server port?

1085

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Why are we moving onto IPv6? What is the maximum limit of IPv4?

1652

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In which layer SMTP is used?

1275

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Can two websites have same ip address?

1096

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