Webcomptia protocols & ports a+ afp 548 dhcp 67,68 dns 53 ftp 21 http 80 https 443 imap 143 ldap 389 netbios/netbt 137, 138, 139 pop3 110 rdp 3389 slp 427 smb/cifs 445 smtp 25 … WebIf the previously mentioned host had an IP address of 10.1.1.1, the socket number for SMTP would be 10.1.1.1:25, 10.1.1.1:23 for Telnet, and 10.1.1.1:80 for HTTP. The range of port …
TCP & UDP Ports and Protocols CompTIA A+ 220-1001
WebThe CompTIA A+ 220-1101 exam objectives show you all of the port numbers you need to know. You are forgetting one, which is 162 - Simple Network Management Protocol (for network traps). 427 or 548 are not on the A+ or the Network+ (I don't even know what those port numbers are). WebPorts 20 and 21: File Transfer Protocol (FTP). FTP is for transferring files between a client and a server. Port 22: Secure Shell (SSH). SSH is one of many tunneling protocols that create secure network connections. Port 25: Historically, Simple Mail Transfer Protocol (SMTP). SMTP is used for email. Port 53: Domain Name System (DNS). highway 200 in montana
CompTIA A+ Port Numbers Explained - YouTube
WebThe ones listed on the CompTIA 220-901 Exam Objectives. Explain common TCP and UDP ports, protocols and their purpose: • Ports 21 – FTP 22 – SSH 23 – TELNET 25 – SMTP 53 – DNS 80 – HTTP 110 – POP3 143 – IMAP 443 – HTTPS 3389 – RDP 137-139 – NetBIOS/NetBT 445 – SMB/CIFS 427 – SLP 548 – AFP 1 Hayabusa-Senpai • 7 yr. ago … WebDec 15, 2012 · FTP servers use port 21 for control traffic, and port 20 for data. When a client sends a request for a file, it sends it to port 21. The server then opens port 20 and uses it to actually transmit the file. Exam Tip This is one of the few Network+ objectives that requires rote memorization. WebAug 17, 2024 · Port Number: Use: File Transfer Protocol (FTP) 20/21: Port 21 is the control port while port 20 is used to transfer files. Secure Shell (SSH) 22: Designed to transmit data through a remote connection. SSH File Transfer Protocol: 22: A completely separate … highway 200 corridor