Transport & Application Layers (CCNA Quiz) Please enter your email: DNS belongs to which layer of OSI Model? Layer2 Layer1 Layer4 Layer7 Which protocol is shown here? UDP TCP Which of these is a connection-oriented & secure protocol? UDP Both TCP & UDP TCP None Which Application Layer protocol uses the UDP Port 57, 58, 67, 68 ? NTP DNS DHCP NAT How many NTP Stratum levels are there in total? 4 5 16 8 Which of these protocols are used by Email services like Gmail & Hotmail? SMTP, POP3, HTTPS SMTP, POP3, IMAP SMTP, POP3, HTTP SMTP, SNMP, POP3 Which ones of below are valid DHCP operation steps? DHCP Discover, DHCP Output, DHCP Release, DHCP Ack DHCP Discover, DHCP Offer, DHCP Request, DHCP Ack DHCP Discover, DHCP Offer, DHCP Release, DHCP Ack DDHCP Discover, DHCP Offer, DHCP Request, DHCP Accept 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 protocols is recommended to use when browsing Internet? HTTP HTTPs What are the two important protocols on Transport Layer? TCP, NTP TCP, NAT TCP, UDP NAT, HTTP Loading … Written by
