ccna chapter 10
What is the acronym for the protocol that is used when securely communicating with a web server?
HTTPS
Which application layer protocol uses message types such as GET, PUT, and POST
HTTP
Which two tasks are functions of the presentation layer?
compression encryption
Peer to Peer Application
requires a specific user interface a background service is required
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.)
session layer application layer presentation layer
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.
A HCP-enabled client PC has just booted. During whic two steps will the client PC use broadcast messages when communicating with a DHCP server?
DHCPDISCOVER DHCPREQUEST
Place the options in the following order. A, NS, CName, MX
End Device Address -not used- authoritative name server canonical name mail exchange record
Select three protocols that operate at the Application Layer of the OSI model
FTP POP3 DHCP
What is an advantage for small organizations of adopting IMAP instead of POP
Messages are kept in the mail servers until the client manually deletes them.
Packet Tracer: Which PC or PCs are sending FTP packets to the server?
PC_2
Which two actions are taken by SMTP if the destination email server is buy when email messages are sent?
SMTP tries to send the messages at a later time SMTP periodically checks teh queue for messages and attempts to send them again
Which three statments describe a DHCP Discover message?
The destination IP address is 255.255.255.255. The message comes from a client seeking an IP address. All hosts receive the message, but only a DHCP server replies.
A suer 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.
DHCPack
a message that is used to acknowledge that the lease is successful
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 a network
DHCPOffer
a message that is used to suggest a lease to a client
Which phrase describes an FTP daemon
a program that is running on an FTP server
When would it be more efficient to use SMB to transfer files instead of FTP?
when downloading large nunbers of files from the same server
What are two characteristic of peer- to peer networks?
decentralized resources resource sharing without a dedicated server
A manufactoring 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?
ftp HTTP SMTP
Which DNS server in the DNS hierarchy would be considered authoritative for the domain name records of a company named netacad?
netacad.com
Peer to Peer Network
no dedicated server is required client and server roles are set on a per request basis
What command was used to resolve a given host name by querying the name server?
nslookup