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

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| Attempts: 30 | Questions: 20 | Updated: Jul 1, 2026
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1. What protocol is used for secure file transfer, replacing FTP?

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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. Which transport layer protocol is connectionless and fast?

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3. Which port does HTTP use for unencrypted web traffic?

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

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

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

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

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

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9. NTP synchronizes time across networks using which port?

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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. DNS uses which port for standard domain name resolution?

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13. LDAP directory services typically operate on which port?

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

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15. VNC remote desktop access typically uses which port?

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16. SNMP monitoring uses which port for agent communication?

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17. DHCP assigns IP addresses dynamically using which port?

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

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

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

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