WGU C393 CompTIA A+ Core 1
Exam 220-1001 2026 Expert
Verifed Ace the Test
Ports 20 and 21 - ANSWER ✔✔File Transfer Protocol (FTP)
Port 22 - ANSWER ✔✔SSH (Secure Shell)
Port 23 - ANSWER ✔✔Telnet
Port 25 - ANSWER ✔✔Simple Mail Transfer Protocol (SMTP)
Port 53 - ANSWER ✔✔DNS (Domain Name System)
Ports 67 & 68 - ANSWER ✔✔Dynamic Host Configuration Protocol
(DHCP)
,Port 80 - ANSWER ✔✔HTTP (Hypertext Transfer Protocol)
Port 110 - ANSWER ✔✔POP3 (Post Office Protocol)
Port 143 - ANSWER ✔✔IMAP (Internet Message Access Protocol)
Ports 137-139 - ANSWER ✔✔NetBIOS/NetBT
Ports 161 & 162 - ANSWER ✔✔Simple Network Management
Protocol (SNMP)
Port 389 - ANSWER ✔✔Lightweight Directory Access Protocol
(LDAP)
Port 443 - ANSWER ✔✔HTTPS (Hypertext Transfer Protocol Secure)
Port 445 - ANSWER ✔✔SMB (Server Message Block) or CIFS
(Common Internet File System).
Server Message Block (SMB), one version of which was also known as
Common Internet File System (CIFS), is a communication protocol for
providing shared access to files, printers, and serial ports between
nodes on a network. It also provides an authenticated inter-process
communication mechanism. Most usage of SMB involves computers
running Microsoft Windows, where it was known as "Microsoft Windows
, Network" before the introduction of Active Directory. Corresponding
Windows services are LAN Manager Server for the server component,
and LAN Manager Workstation for the client component.[4]
Port 427 - ANSWER ✔✔SLP (Service Location Protocol)
SLP is used by devices to announce services on a local network. Each
service must have a URL that is used to locate the service. Additionally it
may have an unlimited number of name/value pairs, called attributes.
Each device must always be in one or more scopes. Scopes are simple
strings and are used to group services, comparable to the network
neighborhood in other systems. A device cannot see services that are in
different scopes.
Port 548 - ANSWER ✔✔AFP (Apple Filing Protocol)
The Apple Filing Protocol (AFP), formerly AppleTalk Filing Protocol, is a
proprietary network protocol, and part of the Apple File Service (AFS),
that offers file services for macOS and the classic Mac OS. In macOS,
AFP is one of several file services supported, with others including
Server Message Block (SMB), Network File System (NFS), File Transfer
Protocol (FTP), and WebDAV. AFP currently supports Unicode file
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
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Exam 220-1001 2026 Expert
Verifed Ace the Test
Ports 20 and 21 - ANSWER ✔✔File Transfer Protocol (FTP)
Port 22 - ANSWER ✔✔SSH (Secure Shell)
Port 23 - ANSWER ✔✔Telnet
Port 25 - ANSWER ✔✔Simple Mail Transfer Protocol (SMTP)
Port 53 - ANSWER ✔✔DNS (Domain Name System)
Ports 67 & 68 - ANSWER ✔✔Dynamic Host Configuration Protocol
(DHCP)
,Port 80 - ANSWER ✔✔HTTP (Hypertext Transfer Protocol)
Port 110 - ANSWER ✔✔POP3 (Post Office Protocol)
Port 143 - ANSWER ✔✔IMAP (Internet Message Access Protocol)
Ports 137-139 - ANSWER ✔✔NetBIOS/NetBT
Ports 161 & 162 - ANSWER ✔✔Simple Network Management
Protocol (SNMP)
Port 389 - ANSWER ✔✔Lightweight Directory Access Protocol
(LDAP)
Port 443 - ANSWER ✔✔HTTPS (Hypertext Transfer Protocol Secure)
Port 445 - ANSWER ✔✔SMB (Server Message Block) or CIFS
(Common Internet File System).
Server Message Block (SMB), one version of which was also known as
Common Internet File System (CIFS), is a communication protocol for
providing shared access to files, printers, and serial ports between
nodes on a network. It also provides an authenticated inter-process
communication mechanism. Most usage of SMB involves computers
running Microsoft Windows, where it was known as "Microsoft Windows
, Network" before the introduction of Active Directory. Corresponding
Windows services are LAN Manager Server for the server component,
and LAN Manager Workstation for the client component.[4]
Port 427 - ANSWER ✔✔SLP (Service Location Protocol)
SLP is used by devices to announce services on a local network. Each
service must have a URL that is used to locate the service. Additionally it
may have an unlimited number of name/value pairs, called attributes.
Each device must always be in one or more scopes. Scopes are simple
strings and are used to group services, comparable to the network
neighborhood in other systems. A device cannot see services that are in
different scopes.
Port 548 - ANSWER ✔✔AFP (Apple Filing Protocol)
The Apple Filing Protocol (AFP), formerly AppleTalk Filing Protocol, is a
proprietary network protocol, and part of the Apple File Service (AFS),
that offers file services for macOS and the classic Mac OS. In macOS,
AFP is one of several file services supported, with others including
Server Message Block (SMB), Network File System (NFS), File Transfer
Protocol (FTP), and WebDAV. AFP currently supports Unicode file
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
