NSCT – Application Layer MCQs 20 min Score: 0 Attempted: 0/20 Subscribe 1. Which layer of the OSI model provides services directly to end-users? (A) Application Layer (B) Network Layer (C) Transport Layer (D) Data Link LayerShow All Answers 2. The Application Layer is which layer of the OSI model? (A) Fifth Layer (B) Sixth Layer (C) Fourth Layer (D) Seventh Layer 3. Which protocol is used for web browsing at the Application Layer? (A) FTP (B) IP (C) TCP (D) HTTP 4. Which Application Layer protocol is used to send emails? (A) FTP (B) SMTP (C) DNS (D) HTTP 5. Which protocol is used to retrieve emails from a mail server? (A) TCP (B) FTP (C) POP3 (D) UDP 6. Which protocol is used for file transfer between computers? (A) HTTP (B) FTP (C) SMTP (D) DNS 7. Which protocol is used to translate domain names to IP addresses? (A) FTP (B) TCP (C) DNS (D) ICMP 8. Which Application Layer protocol is used for secure web browsing? (A) HTTP (B) SMTP (C) FTP (D) HTTPS 9. Which protocol is used for real-time communication and streaming? (A) SMTP (B) HTTP (C) FTP (D) RTP 10. Telnet is used for: (A) File transfer (B) Remote login (C) Email transfer (D) Domain name resolution 11. Which protocol is used for secure remote login? (A) Telnet (B) FTP (C) SSH (D) HTTP 12. Which protocol is used for network management? (A) FTP (B) HTTP (C) SNMP (D) SMTP 13. Which protocol is used for transferring multimedia data in real-time? (A) HTTP (B) FTP (C) SMTP (D) RTP 14. Which protocol provides directory services at the Application Layer? (A) DNS (B) LDAP (C) SMTP (D) FTP 15. Which protocol is used to synchronize time across network devices? (A) SMTP (B) DNS (C) HTTP (D) NTP 16. Which protocol is used to access email on a server without downloading it? (A) POP3 (B) IMAP (C) SMTP (D) FTP 17. Which protocol is used for web-based email services? (A) HTTP (B) SMTP (C) FTP (D) SNMP 18. Which Application Layer protocol is used for online chat applications? (A) IRC (B) HTTP (C) FTP (D) SMTP 19. DHCP operates at which OSI layer? (A) Transport Layer (B) Network Layer (C) Application Layer (D) Data Link Layer 20. The main purpose of the Application Layer is: (A) Providing services to end-user applications (B) Routing packets (C) Node-to-node delivery (D) Framing data
