Application Layer Quiz

On a home network, which device is most likely to provide dynamic IP addressing to clients on the home network?

• a DNS server

• a home router

• an ISP DHCP server

• a dedicated file server

What part of the URL, http://www.cisco.com/index.html, represents the top-level DNS domain?

• index

• http

• www

• .com

A wireless host needs to request an IP address. What protocol would be used to process the request?

• SNMP

• DHCP

• HTTP

• ICMP

When retrieving email messages, which protocol allows for easy, centralized storage and backup of emails that would be desirable for a small- to medium-sized business?

• SMTP

• POP

• HTTPS

• IMAP

Which application layer protocol is used to provide file-sharing and print services to Microsoft applications?

• HTTP

• SMTP

• DHCP

• SMB

Why is DHCP preferred for use on large networks?

• Hosts on large networks require more IP addressing configuration settings than hosts on small networks.

• It prevents sharing of files that are copyrighted.

• Large networks send more requests for domain to IP address resolution than do smaller networks.

• It is a more efficient way to manage IP addresses than static address assignment.

What is the purpose of the Domain Name Service (DNS)?

• To encrypt data communications.

• To establish active communication sessions between end-user applications.

• To manage file sharing services.

• To convert numeric addresses into recognizable names.

Which protocol is used to send email messages?

• SMTP

• POP

• IMAP

• FTP

What is the function of the Presentation Layer in the OSI model?

• To format data at the source device into a compatible form for the receiving device.

• To create and maintain dialogs between source and destination applications.

• To translate domain names into IP addresses.

• To establish, maintain, synchronize, and terminate sessions between end-user applications.

In a Peer-to-Peer network, how do end user applications operate?

• By using a centralized directory for resource locations.

• By accessing data from a dedicated server.

• By establishing active communication sessions between them.

• By functioning as both a server and a client.