A+ Networking Quiz: Do You Know Ports & Protocols?

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| Attempts: 24 | Questions: 20 | Updated: Jul 1, 2026
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1. Which port does HTTP use for unencrypted web traffic?

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About This Quiz
A+ Networking Quiz: Do You Know Ports & Protocols? - Quiz

Test your knowledge of essential network ports and protocols for CompTIA A+ certification. This quiz covers Networking (A+ Core 1) fundamentals, including TCP\/UDP ports, common protocols, and their functions. Ideal for college-level students preparing for the A+ exam or reinforcing core networking concepts.

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2. What protocol is used for secure file transfer, replacing FTP?

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3. ICMP is primarily used for which network diagnostic function?

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4. TCP ensures reliable, ordered delivery of data through which mechanism?

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5. Which transport layer protocol is connectionless and fast?

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6. FTP uses two ports: control on 21 and data on which port?

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7. ARP resolves IP addresses to which type of addresses?

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8. NTP synchronizes time across networks using which port?

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9. HTTPS encrypts web traffic using which port by default?

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10. Telnet allows remote login but transmits credentials in plaintext on which port?

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11. SMTP, used for sending emails, operates on which port?

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12. Email retrieval via IMAP uses which port by default?

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13. DNS uses which port for standard domain name resolution?

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14. VNC remote desktop access typically uses which port?

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15. LDAP directory services typically operate on which port?

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16. SSH for secure remote access typically uses which port?

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17. DHCP assigns IP addresses dynamically using which port?

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18. SNMP monitoring uses which port for agent communication?

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19. RDP (Remote Desktop Protocol) is associated with which port?

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20. SMB file sharing in Windows networks uses which port?

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Which port does HTTP use for unencrypted web traffic?
What protocol is used for secure file transfer, replacing FTP?
ICMP is primarily used for which network diagnostic function?
TCP ensures reliable, ordered delivery of data through which...
Which transport layer protocol is connectionless and fast?
FTP uses two ports: control on 21 and data on which port?
ARP resolves IP addresses to which type of addresses?
NTP synchronizes time across networks using which port?
HTTPS encrypts web traffic using which port by default?
Telnet allows remote login but transmits credentials in plaintext on...
SMTP, used for sending emails, operates on which port?
Email retrieval via IMAP uses which port by default?
DNS uses which port for standard domain name resolution?
VNC remote desktop access typically uses which port?
LDAP directory services typically operate on which port?
SSH for secure remote access typically uses which port?
DHCP assigns IP addresses dynamically using which port?
SNMP monitoring uses which port for agent communication?
RDP (Remote Desktop Protocol) is associated with which port?
SMB file sharing in Windows networks uses which port?
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