ACTUAL Exam Questions and CORRECT
Answers
OSI Reference model layers from top to bottom: - CORRECT ANSWER - Application,
Presentation, Session, Transport, Network, Data Links, Physical
TCP/IP Conceptual Layers top to bottom: - CORRECT ANSWER - Applications,
Transport, Network, Network Interface
Which protocols belong to the application layer in TCP/IP model - CORRECT ANSWER -
HTTP, FTP, PING, DHCP(giving ip addresses to devices automatically), Telnet (remote
command line management), NTP (clock sync)
Which protocols belong to the transport layer in TCP/IP model - CORRECT ANSWER -
TCP, UDP (communications protocol for time-sensitive applications like gaming, playing videos,
or Domain Name System (DNS) lookups); Port Address
Which protocols belong to the network layer in TCP/IP model - CORRECT ANSWER -
IP, ARP (Address Resolution Protocol), ICMP(used to communicate problems with data
transmission), IGMP (allows several devices to share one IP address to receive the same data); IP
Addresses
Which protocols belong to the network interface layer in TCP/IP model - CORRECT
ANSWER - Ethernet; MAC addresses
What are ports 20 and 21 are associated with - CORRECT ANSWER - FTP
What is port 23 are associated with - CORRECT ANSWER - Telnet