mis 4123 test 1
48. Which of the following are commonly used flow control strategies? (Choose the best answers.)
a. Buffering c. Windowing
51. At the transport layer, two types of protocols are used for sending data to a remote system. What terms are used to describe these protocols? (Choose the two best answers.)
a. Connection-oriented d. Connectionless
3. The process of a web server adding a TCP header to a web page, followed by adding an IP header, and then a data link header and trailer is an example of what?
a. Data encapsulation
41. Which layer of the OSI model defines the method by which the network media are accessed on a logical level?
a. Data link
14. In the OSI model, physical addressing takes place at the:
a. Data link layer
11. Which of the following protocols reside(s) at the application layer of the OSI model? (Select all that apply)
a. HTTP b. FTP c. SMTP
6. Which OSI layer defines the standards for cabling and connectors?
a. Layer 1
30. At which of the OSI layers IP addressing takes place?
a. Layer 3
39. What are the two sublayers of the data link layer?
a. Logical link control c. Media access control
26. Transport layer resides between which two other layers of the OSI model?
a. Network and Session
40. Which of the following are responsibilities of the transport layer? (Choose the two best answers.)
a. Performs error detection and handling for the transmitted signals d. Establishes, maintains, and breaks connections between devices
17. In the OSI model, data compression takes place at the:
a. Presentation layer
32. Data encryption and decryption typically takes place at the:
a. Presentation layer of the OSI model
36. Which layer of the OSI model is responsible for synchronizing the exchange of data between two devices at the application level?
a. Session
28. Layer 5 of the OSI model is also referred to as:
a. Session layer
35. Which of the following devices operate at Layer 2 of the OSI model? (Choose all that apply.)
a. Switch b. Network card d. Bridge
19. Layer 4 of the OSI model is also referred to as:
a. Transport layer
25. Which OSI layer is responsible for breaking up data into segments?
a. Transport layer
24. In the OSI model, User Datagram Protocol (UDP) resides at: (Select 2 answers)
a. Transport layer d. Network layer
1. The process of HTTP asking TCP to send some data and make sure that it is received correctly is an example of what?
b. Adjacent-layer interaction
34. At which layer of the OSI model does a switch operate?
b. Data link
45. At which layer of the OSI model does an AP operate?
b. Data link
46. At which layer of the OSI model does a NIC operate?
b. Data link
22. In the OSI model, Media Access Control (MAC) and Logical Link Control (LLC) sublayers are the features of:
b. Data link layer
16. Which of the following reside(s) at the physical layer of the OSI model? (Select all that apply)
b. Hubs c. Network cabling
31. Layer 3 of the OSI model is also referred to as:
b. Network layer
44. Which layer of the OSI model defines the signal rates and voltages that are used?
b. Physical
13. Layer 6 of the OSI model is also known as:
b. Presentation layer
2. The process of TCP on one computer marking a segment as segment 1, and the receiving computer then acknowledging the receipt of segment 1, is an example of what?
b. Same-layer interaction
8. In the URL http://www.fredsco.com/name.html, which part identifies the web server?
b. www.fredsco.com
21. What is the name of a data unit used at the OSI physical layer?
c. Bit
23. Layer 2 of the OSI model is also known as:
c. Data link layer
10. Physical layer of the OSI model is also referred to as:
c. Layer 1
12. Which of the following terms refers to the OSI network layer?
c. Layer 3
5. Which OSI layer defines the functions of logical network-wide addressing and routing?
c. Layer 3
27. Routers operate at: (Select two answers)
c. Layer 3 of the OSI model d. Network layer of the OSI model
29. In the OSI model, session layer is also known as:
c. Layer 5
20. The presentation layer in the OSI model is another term for:
c. Layer 6 of the OSI model
33. Application layer of the OSI model is also known as:
c. Layer 7
38. Which layer of the OSI model is responsible for route discovery?
c. Network
49. The IP protocol is a connectionless protocol used for moving data around a network. Because it moves data, what layer of the OSI model does IP operate?
c. Network
52. At which layer of the OSI model does a router operate?
c. Network
43. Which of the following terms is not used to describe a logical grouping of bits?
c. Package
42. At which layer of the OSI model does a hub operate?
c. Physical
50. Which of the following OSI layers is responsible for establishing connections between two devices?
c. Transport
4. Which of the following terms is used specifically to identify the entity that is created when encapsulating data inside data link layer headers and trailers?
d. Frame
47. At which layer of the OSI model do encryption and decryption take place?
d. Presentation
18. Which OSI layer assumes responsibility for managing network connections between applications?
d. Session layer
37. Which of the following transport-layer protocols offer guaranteed deliver?
d. TCP
7. Which OSI layer defines the standards for data formats and encryption?
f. Layer 6
9. The Open Systems Interconnection (OSI) model consists of:
a. 7 layers
15. OSI layer 7 is also referred to as:
a. Application layer
