- 1. In DNS, resource records are used by the server to resolve
A) web site proxies
B) web site names
C) web site traces
D) web site pings
- 2. The OSI application layer entails application software and
A) wire sharking services
B) packet tracing
C) services
D) neo tracing
- 3. The application layer protocol used to support File Transport between servers and client is
A) POP
B) DNS
C) TCP
D) FTP
- 4. Peer-to-Peer networks are both decentralized and provide resources without a dedicated
A) server
B) host service center
C) data center
D) supplier
- 5. What does the application layer of the OSI model allow a user to do with a data network?
A) control the network
B) decrease network traffic
C) interface with 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) in hybrid mode providing file centralization
C) as either clients or servers
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) monitor mutual multiplexing and segmentation
C) interface and communicate with one another
D) hybridize their functions
- 8. The following are protocols that operate at the OSI application layer except:
A) IP
B) POP
C) SMTP
D) DNS
- 9. The two email components used to forward mail between servers are MTA and:
A) POP
B) DNS
C) IP
D) SMTP
- 10. The two protocols used to control web resource transfers from a web server to a client browser are HTTP and:
A) HTML
B) FTP
C) HTTPS
D) DNS
- 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) packet-tracing
B) segmentation
C) encryption
D) multiplexing
- 13. The HTTP protocol provides the ability of a web server and a web client to transfer:
A) packet tracing
B) encrypting technologies
C) data
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) physical
B) virtual
C) logical
D) operational
- 15. The automated service that matches web site names with their correct IP address is:
A) DNS
B) TCP
C) HTTP
D) VOIP
- 16. Which destination port is used by an application when the HTTP protocol is activated?
A) Port 80
B) Port 280
C) Port 380
D) Port 180
- 17. In a data network, clients can both upload data to servers and:
A) prioritize data exchanges
B) multiply data exchanges
C) initiate data exchanges
D) ignore data exchanges
- 18. In Microsoft Networks, the application layer protocol used to describe the services provided is:
A) VOIP
B) SMTP
C) SMB
D) POP
- 19. There are 2 important advantages of using a client-server network model, centralized administration and better:
A) pricing
B) data exchange
C) performance
D) security
- 20. Why is security a serious concern in a peer-to-peer network:
A) difficult to consider
B) difficult to purchase
C) difficult to enforce
D) difficult to ignore
- 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) intermediary device
C) server 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) connections
B) packets
C) accounts
D) users
- 23. The following are examples of Peer-to-Peer networks except:
A) Limewire
B) Microsoft Office
C) Bit Torrent
D) Bear Share
- 24. The main reason why a network administrator should block common ports used in file sharing is to avoid:
A) user complaints
B) VOIP concerns
C) illegal fire sharing
D) intense wireless transmissions
- 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) hybrid
C) packet-traced
D) neo-traced
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