Select three protocols that operate at the Application Layer of the OSI model. (Choose three.)
POP3 DHCP FTP
Match a statement to the related network model
Peer-to-peer network no dedicated server required client and server roles are set on a per request basis
Peer-to-peer application a background service is required requires a specific user interface
A manufacturing company subscribes to certain hosted services from their ISP. The services required include hosted world wide web, file transfer, and e-mail. Which protocols represent these three key applications? (Choose three.)
FTP HTTP SMTP
Match the DNS record type to the corresponding description
A - end device address NS - authoritative name server CNAME - canonical name MX - mail exchange record
Which phrase describes an FTP daemon?
a program that is running on an FTP server
Which two actions are taken by SMTP if the destination email server is busy when email messages are sent? (Choose two.)
SMTP periodically checks the queue for messages and attempts to send them again SMTP tries to send the messages at a later time
When would it be more efficient to use SMB to transfer files instead of FTP?
when downloading large numbers of files from the same server
What is an example of network communication that uses the client-server model?
A workstation initiates a DNS request when the user types www.cisco.com in the address bar of a web browser.
What is true about the Server Message Block protocol?
Clients establish a long term connection to servers.
Refer to the exhibit. What command was used to resolve a given host name by querying the name servers?
Which DNS server in the DNS hierarchy would be considered authoritative for the domain name records of a company named netacad?
A user accessed the game site www.nogamename.com last week. The night before the user accesses the game site again, the site administrator changes the site IP address. What will be the consequence of that action for the user?
The user will access the site without problems.
Match the purpose with its DHCP message type
DHCPREQUEST - a message that is used to identify the explicit server and lease offer to accept DHCPDISCOVER - a message that is used to locate any available DHCP server on the network DHCPOFFER - a message that is used to suggest a lease to a client DHCPACK - a message that is used to acknowledge that the lease is successful
What are two characteristics of peer-to-peer networks? (Choose two.)
resource sharing without a dedicated server decentralized resources
Which three layers of the OSI model provide similar network services to those provided by the application layer of the TCP/IP model? (Choose three.)