CCNA 1 Chapter 3

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

DNS

What is the purpose of resource records in DNS? temporarily holds resolved entries

used by the server to resolve names

What three protocols operate at the Application layer of the OSI model?

-DNS -SMTP -POP

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

-HTTP -HTTPS

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?

-MTA -SMTP

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

-Security is difficult to enforce. -A computer that responds to a file sharing request is functioning as a server.

What are three properties of peer-to-peer applications?

-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.

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

-applications -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 mode

-centralized administration -security is easier to enforce

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

-decentralized resources -resource sharing without a dedicated server

What are two characteristics of clients in data networks?

-initiate data exchanges -may upload data to servers

Which statements are correct concerning the role of the MTA in handling email?

-receives email from the client's MUA -passes email to the MDA for final delivery -uses SMTP to route email between servers

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

FTP

What application layer protocol describes the services that are used for file sharing in Microsoft networks?

SMB

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

application

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

does not support encryption

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