For Kenzym04
1. List the seven OSI layers in the indicated sequence where layer 7 is closest to the end user.
Layer 7:
Layer 6:
Layer 5:
Layer 4:
Layer 3:
Layer 2:
Layer 1:
2. Compare the total number of links in an 11 node network for:
a) Mesh Topology
b) Star Topology (counting the hub as one of the nodes)
c) Ring Topology
d) Bus Topology
3. Which OSI layer, by number or name, is most applicable to the following? (Note: All layers are represented at least once)
__________ a) Addressing messages between two processes
__________ b) Bits:
__________ c) Congestion control:
__________ d) Determine where a frame starts and ends
__________ e) Frames
__________ f) Internet browsers
__________ g) Establishing, maintaining, and terminating a Session:
__________ h) Translation between different coding systems
__________ i) Route Determination
__________ j) Interface to transmission media
4. Use the OSI Model Learning Object to determine which OSI layer, by number or name, is most applicable to the following protocols.
(Note: All layers are represented at least once)
___________a) CDR – Common Data Representation
___________b) IPSec – Internet Protocol Security Protocol
__________ c) WEP – Wired Equivalent Privacy
_________ d) PAP – Password Authentication Protocol
__________ e) SMTP – Simple Mail Transfer Protocol
__________ f) TLS –Transport Layer Security
__________ g) SSH – Secure Shell
__________ h) X.21:a – a specification for serial communications over synchronous lines
1