Answer Posted / 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

What is collision?

1128

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What is Transport and Tunnel mode?

2299

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Do we subletting of ip?

1150

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How does Hold-downs work?

1131

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Which defined peer ip address an local subnet belong to crete?

1129

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What is the size of an ip address?

1179

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How many (minimum and maximum) ports are present in a router?

1067

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Which layer are called upper layer?

1042

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Define osi?

1089

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Differnce between the communication and transmission?

998

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Utilizing RIP, what is the limit when it comes to number of hops?

1325

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When we use interface mode?

1117

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Referring to the commands shown, what command must next be used on the branch router prior to traffic being sent to the router router?

1168

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Mention what is the difference between the switch, hub, and router?

1005

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How many ways are there to implement VPN architecture?

3608

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