- 1. In DNS, resource records are used by the server to resolve
A) web site pings
B) web site proxies
C) web site names
D) web site traces
- 2. The OSI application layer entails application software and
A) packet tracing
B) neo tracing
C) wire sharking services
D) services
- 3. The application layer protocol used to support File Transport between servers and client is
A) TCP
B) DNS
C) POP
D) FTP
- 4. Peer-to-Peer networks are both decentralized and provide resources without a dedicated
A) server
B) data center
C) host service center
D) supplier
- 5. What does the application layer of the OSI model allow a user to do with a data network?
A) increase network traffic
B) interface with the network
C) control the network
D) decrease network traffic
- 6. The following are all properties of peer-to-peer applications except acting:
A) as either clients or servers
B) in hybrid mode providing file centralization
C) through the use of specialized software
D) as both clients and servers
- 7. The OSI Application layer allows for applications on either end of a network to:
A) cancel each other's requests
B) interface and communicate with one another
C) hybridize their functions
D) monitor mutual multiplexing and segmentation
- 8. The following are protocols that operate at the OSI application layer except:
A) DNS
B) SMTP
C) POP
D) IP
- 9. The two email components used to forward mail between servers are MTA and:
A) DNS
B) IP
C) POP
D) SMTP
- 10. The two protocols used to control web resource transfers from a web server to a client browser are HTTP and:
A) DNS
B) FTP
C) HTML
D) HTTPS
- 11. In handling email, the MTA does the following except:
A) uses SMTP to route email between servers
B) provides a resource lists with the fastest delivery times
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) segmentation
B) packet-tracing
C) encryption
D) multiplexing
- 13. The HTTP protocol provides the ability of a web server and a web client to transfer:
A) encrypting technologies
B) data
C) packet tracing
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) logical
B) operational
C) virtual
D) physical
- 15. The automated service that matches web site names with their correct IP address is:
A) HTTP
B) DNS
C) TCP
D) VOIP
- 16. Which destination port is used by an application when the HTTP protocol is activated?
A) Port 180
B) Port 280
C) Port 80
D) Port 380
- 17. In a data network, clients can both upload data to servers and:
A) prioritize data exchanges
B) initiate data exchanges
C) multiply data exchanges
D) ignore 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) data exchange
B) performance
C) pricing
D) security
- 20. Why is security a serious concern in a peer-to-peer network:
A) difficult to ignore
B) difficult to purchase
C) difficult to consider
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) server device
C) user 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) accounts
B) users
C) packets
D) connections
- 23. The following are examples of Peer-to-Peer networks except:
A) Bear Share
B) Bit Torrent
C) Microsoft Office
D) Limewire
- 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) neo-traced
B) wire-sharked
C) hybrid
D) packet-traced
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