Transport & Application Layers (CCNA Quiz) Please enter your email: Which Application Layer protocol uses the UDP Port 57, 58, 67, 68 ? DNS DHCP NAT NTP Which one of these is true? HTTPs is secure while HTTP is not secure HTTP is secure while HTTPs is not secure Which of these is a connection-oriented & secure protocol? None UDP Both TCP & UDP TCP What are the two important protocols on Transport Layer? TCP, UDP TCP, NAT NAT, HTTP TCP, NTP How many NTP Stratum levels are there in total? 4 8 16 5 DNS belongs to which layer of OSI Model? Layer2 Layer7 Layer1 Layer4 Which of these protocols are used by Email services like Gmail & Hotmail? SMTP, POP3, IMAP SMTP, POP3, HTTPS SMTP, SNMP, POP3 SMTP, POP3, HTTP Which ones of below are valid DHCP operation steps? DHCP Discover, DHCP Offer, DHCP Release, DHCP Ack DHCP Discover, DHCP Offer, DHCP Request, DHCP Ack DHCP Discover, DHCP Output, DHCP Release, DHCP Ack DDHCP Discover, DHCP Offer, DHCP Request, DHCP Accept Which protocol is shown here? TCP UDP Which of these protocols is recommended to use when browsing Internet? HTTP HTTPs Loading … Written by
