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