1. What is layer 4 of the OSI model called?
(A) Session layer
(B) Data-link layer
(C) Transport layer
(D) Application layer
2. What layer of the OSI model is responsible for ensuring data is in the correct syntax?
(A) Presentation layer
(B) Session layer
(C) Network layer
(D) Application layer
3. What means of identifying a device on a local subnet can be found at layer 2 of the OSI model?
(A) IP addresses
(B) MAC addresses
(C) Host names
(D) Port numbers
4. The port number range of 0 - 1024 is referred to as what?
(A) Ephemeral
(B) Well known
(C) Registered
(D) Dynamic
5. What protocol guarantees delivery of data through the use of acknowledgments and sequence numbers?
(A) TCP
(B) UDP
(C) IP
(D) IPX
6. What logical port number is assigned to the NTP?
(A) 23
(B) 123
(C) 443
(D) 3389
7. What is the second step of the three-way handshake?
(A) FIN
(B) ACK
(C) SYN
(D) SYN...