- 1. In DNS, resource records are used by the server to resolve
A) web site traces B) web site pings C) web site proxies D) web site names
- 2. The OSI application layer entails application software and
A) neo tracing B) packet tracing C) services D) wire sharking services
- 3. The application layer protocol used to support File Transport between servers and client is
A) FTP B) TCP C) POP D) DNS
- 4. Peer-to-Peer networks are both decentralized and provide resources without a dedicated
A) supplier B) host service center C) server D) data center
- 5. What does the application layer of the OSI model allow a user to do with a data network?
A) interface with the network B) decrease network traffic C) control the network D) increase network traffic
- 6. The following are all properties of peer-to-peer applications except acting:
A) through the use of specialized software B) as both clients and servers C) as either clients or servers D) in hybrid mode providing file centralization
- 7. The OSI Application layer allows for applications on either end of a network to:
A) monitor mutual multiplexing and segmentation B) cancel each other's requests C) hybridize their functions D) interface and communicate with one another
- 8. The following are protocols that operate at the OSI application layer except:
A) DNS B) SMTP C) IP D) POP
- 9. The two email components used to forward mail between servers are MTA and:
A) DNS B) IP C) SMTP D) POP
- 10. The two protocols used to control web resource transfers from a web server to a client browser are HTTP and:
A) FTP B) HTML C) DNS D) HTTPS
- 11. In handling email, the MTA does the following except:
A) passes email to the MDA for final delivery B) receive email from the client's MUA C) uses SMTP to route email between servers D) provides a resource lists with the fastest delivery times
- 12. Telnet is usually abandoned for SSH because Telnet does not support:
A) segmentation B) encryption C) multiplexing D) packet-tracing
- 13. The HTTP protocol provides the ability of a web server and a web client to transfer:
A) user names and passwords B) data C) packet tracing D) encrypting technologies
- 14. The Telnet service provides users with the ability to remotely access another computer through what type of connection?
A) operational B) virtual C) logical D) physical
- 15. The automated service that matches web site names with their correct IP address is:
A) DNS B) HTTP C) VOIP D) TCP
- 16. Which destination port is used by an application when the HTTP protocol is activated?
A) Port 180 B) Port 280 C) Port 380 D) Port 80
- 17. In a data network, clients can both upload data to servers and:
A) ignore data exchanges B) prioritize data exchanges C) initiate data exchanges D) multiply data exchanges
- 18. In Microsoft Networks, the application layer protocol used to describe the services provided is:
A) POP B) SMTP C) VOIP D) SMB
- 19. There are 2 important advantages of using a client-server network model, centralized administration and better:
A) performance B) security C) data exchange D) pricing
- 20. Why is security a serious concern in a peer-to-peer network:
A) difficult to ignore B) difficult to enforce C) difficult to purchase D) difficult to consider
- 21. In a peer-to-peer network, a client that responds to a file sharing request will then become a/an:
A) end device B) server device C) intermediary device D) user device
- 22. A server's application layer usually processes multiple request for services by using support from lower layer functions to distinguish between:
A) packets B) accounts C) users D) connections
- 23. The following are examples of Peer-to-Peer networks except:
A) Bear Share B) Microsoft Office C) Limewire D) Bit Torrent
- 24. The main reason why a network administrator should block common ports used in file sharing is to avoid:
A) illegal fire sharing B) user complaints C) intense wireless transmissions D) VOIP concerns
- 25. A Peer-to-Peer network can work in a centralized and decentralized manner, this means they can work in what type of mode?
A) packet-traced B) neo-traced C) hybrid D) wire-sharked
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