CCNA1 V4.0 Exploration - Chapter 3

Chapter 3 - Exam Answers




What application layer protocol is commonly used to support for file transfers between a client and a server?


--> FTP


What are two forms of application layer software? (Choose two.)


--> Application

--> Services


A network administrator is designing a network for a new branch office of twenty-five users. What are the advantages of using a client-server model? (Choose two.)


--> centralized administration

--> security is easier to enforce


What is the purpose of resource records in DNS?


--> Used by the server to resolve names


What is the automated service that matches resource names with the required IP address?


--> DNS



What three protocols operate at the Application layer of the OSI model? (Choose three.)


--> DNS

--> SMTP

--> POP



What are three properties of peer-to-peer applications? (Choose three.)


--> acts as both a client and server within the same communication

--> hybrid mode includes a centralized directory of files

--> can be used in client-server networks



Which application layer protocols correctly match a corresponding function? (Choose two.)


--> HTTP transfers data from a web server to a client

--> Telnet provides a virtual connection for remote access



Which email components are used to forward mail between servers? (Choose two.)


--> MTA

--> SMTP



As compared to SSH, what is the primary disadvantage of telnet?


--> Does not support encryption



Which statements are correct concerning the role of the MTA in handling email? (Choose three.)


--> receives email from the client's MUA

--> passes email to the MDA for final delivery

--> uses SMTP to route email between servers



Which two protocols are used to control the transfer of web resources from a web server to a client browser? (Choose two.)


--> HTTP

--> HTTPS



A small home network has been installed to interconnect three computers together for gaming and file sharing. What two properties represent this network type? (Choose two.)


--> Security is difficult to enforce.

--> A computer that responds to a file sharing request is functioning as a server.



Which layer of the OSI model supplies services that allow user to interface with the network?


--> Application



Refer to the exhibit. What is the destination port for the communication that is represented on line 5?


--> 80



What are two characteristics of peer-to-peer networks? (Choose two.)


--> Decentralized resources

--> Resource sharing without a dedicated server



What application layer protocol describes the services that are used for file sharing in Microsoft networks? (Be careful its asking in Microsoft network)


--> SMB



What are two characteristics of clients in data networks? (Choose two.)


--> initiate data exchanges

--> may upload data to servers



What is the role of the OSI application layer?


--> provides the interface between the applications on either end of the network



How does the application layer on a server usually process multiple client request for services?


--> uses support from lower layer functions to distinguish between connections to the service


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