- 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) services
C) packet tracing
D) wire sharking services
- 3. The application layer protocol used to support File Transport between servers and client is
A) DNS
B) TCP
C) POP
D) FTP
- 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) increase network traffic
B) decrease network traffic
C) control the network
D) interface with the network
- 6. The following are all properties of peer-to-peer applications except acting:
A) in hybrid mode providing file centralization
B) through the use of specialized software
C) as both clients and servers
D) as either clients or servers
- 7. The OSI Application layer allows for applications on either end of a network to:
A) monitor mutual multiplexing and segmentation
B) hybridize their functions
C) interface and communicate with one another
D) cancel each other's requests
- 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) SMTP
B) IP
C) POP
D) DNS
- 10. The two protocols used to control web resource transfers from a web server to a client browser are HTTP and:
A) HTTPS
B) HTML
C) DNS
D) FTP
- 11. In handling email, the MTA does the following except:
A) provides a resource lists with the fastest delivery times
B) uses SMTP to route email between servers
C) passes email to the MDA for final delivery
D) receive email from the client's MUA
- 12. Telnet is usually abandoned for SSH because Telnet does not support:
A) multiplexing
B) encryption
C) packet-tracing
D) segmentation
- 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) encrypting technologies
D) packet tracing
- 14. The Telnet service provides users with the ability to remotely access another computer through what type of connection?
A) operational
B) physical
C) virtual
D) logical
- 15. The automated service that matches web site names with their correct IP address is:
A) VOIP
B) HTTP
C) DNS
D) TCP
- 16. Which destination port is used by an application when the HTTP protocol is activated?
A) Port 280
B) Port 180
C) Port 80
D) Port 380
- 17. In a data network, clients can both upload data to servers and:
A) ignore data exchanges
B) prioritize data exchanges
C) multiply data exchanges
D) initiate data exchanges
- 18. In Microsoft Networks, the application layer protocol used to describe the services provided is:
A) VOIP
B) SMB
C) SMTP
D) POP
- 19. There are 2 important advantages of using a client-server network model, centralized administration and better:
A) security
B) performance
C) pricing
D) data exchange
- 20. Why is security a serious concern in a peer-to-peer network:
A) difficult to consider
B) difficult to purchase
C) difficult to ignore
D) difficult to enforce
- 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) user device
C) intermediary device
D) server device
- 22. A server's application layer usually processes multiple request for services by using support from lower layer functions to distinguish between:
A) connections
B) users
C) packets
D) accounts
- 23. The following are examples of Peer-to-Peer networks except:
A) Limewire
B) Bear Share
C) Microsoft Office
D) Bit Torrent
- 24. The main reason why a network administrator should block common ports used in file sharing is to avoid:
A) user complaints
B) intense wireless transmissions
C) VOIP concerns
D) illegal fire sharing
- 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) neo-traced
B) hybrid
C) packet-traced
D) wire-sharked
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