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30 Cards in this Set
- Front
- Back
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What two definitions accurately describe the associated application layer protocol? |
Telnet DNS |
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The application layer of the TCP/IP model performs the functions of what three layers of the OSI model? |
Session Presentation Application |
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Which layer in the TCP/IP model is used for formatting, compressing, and encrypting data? |
Application |
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What are two characteristics of the application layer of the TCP/IP model? |
The creation and maintenance of dialogue between source and destination applications Closest to the end user. |
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Services that are required include hosted world wide web, file transfer, and email. Which protocols represent these three key applications? |
FTP HTTP SMTP |
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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. |
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What do the client/server and peer-to-peer network models have in common? |
Both models support devices in server and client roles. |
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What is an advantage for small organizations of adopting IMAP instead of POP? |
Messages are kept in the mail servers until they are manually deleted from the email client. |
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Which application layer protocol uses message types such as GET, PUT, POST |
HTTP |
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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? |
IMAP |
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Which three statements describe a DHCP Discover message? |
The destination IP address is 255.255.255.255 The message comes form a client seeking an IP address All hosts receive the message, but only a DHCP server replies |
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What part of www.cisco.com represents the top-level DNS domain? |
.com |
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Which two tasks can be performed by a local DNS server? |
Mapping name-to-IP addresses for internal hosts Forwarding name resolution requests between servers |
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Which phrase describes an FTP daemon |
A program that is running on an FTP server |
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Which statement is true about FTP |
The client can download data from or upload data to the server |
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What is true about the Server Message Block protocol? |
Clients establish a long term connection to servers |
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Which application layer protocol is used to provide file-sharing and print serves to Microsoft applications. |
SMB |
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What is the acronym for the protocol that is used when securely communicationg with a web server |
https |
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The HTTP message type used by th eclient to request data from the web server is the _____ message |
GET |
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What command is used to resolve a given host name by querying the name servers? |
NSLOOKUP
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Which two tasks are functions of the presentation layer?
compression addressing encryption session controlauthentication |
compression encryption |
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Select three protocols that operate at the Application Layer of the OSI model. |
FTP* POP3* DHCP* |
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What are two characteristics of peer-to-peer networks? scalable one way data flow decentralized resources centralized user accounts resource sharing without a dedicated server |
decentralized resources resource sharing without a dedicated server |
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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 |
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Which two actions are taken by SMTP if the destination email server is busy when email messages are sent |
SMTP tries to send the messages at a later time. SMTP periodically checks the queue for messages and attempts to send them again. |
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Which application layer protocol uses message types such as GET, PUT, and POST DNS DHCP SMTP HTTP POP3 |
HTTP* |
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A DHCP-enabled client PC has just booted. During which two steps will the client PC use broadcast messages when communicating with a DHCP server? DHCPDISCOVER DHCPACK DHCPOFFER DHCPREQUEST DHCPNAK |
DHCPREQUEST DHCPDISCOVER |
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Which DNS server in the DNS hierarchy would be considered authoritative for the domain name records of a company named netacad .com netacad.com mx.netacad.com www.netacad.com |
netacad.com* |
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What is true about the Server Message Block protocol |
Clients establish a long term connection to servers |
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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* |
