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56 Cards in this Set
- Front
- Back
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Which OSI layer is associated with IP addressing? 1, 2, 3 or 4?
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3
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The elements of communication include a message source, a message destination, and a _________, or medium to transport the message.
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channel
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What layer is the top layer in both the OSI and TCP/IP models?
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The application layer, layer 7
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What type of addressing is find at the OSI layer 2?
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Physical and MAC
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Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward data?
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Protocol
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A limited-use protocol owned by a company is?
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Proprietary
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Which is associated with layer 4 of the OSI model--IP, TCP, FTP, or TFTP?
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TCP - Transmission Control Protocol
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The device that connects another device to the media?
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a NIC
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Dividing data streams into smaller pieces suitable for transmission is called multiplexing, segmentation, encapsulation, or protocol?
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Segmentation
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A device that moves data between networks?
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Router
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Interweaving multiple data streams into one shared communication channel is?
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Multiplexing
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Which is associated with the network layer? IP address, frames, MAC address or physical addressing?
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IP addressing, layer 3
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What does IP stand for?
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Internet protocol
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All Pretty Serious Teenager Need Dailylittle Perks Stands for?
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Application, Presentation, Session, Transport, Network, Datalink, Physical
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What is the correct OSI top down layer order?
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Application, Presentation, Session, Transport, Network, Datalink, Physical
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Which layer is concerned with end to end message delivery?
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Transport, layer 4
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Which OSI Iayers combine into layers of TCP/IP?
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Pretty DailyLittle Perks Suck:
Presentation, Datalink, Physical, Session |
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What two separate processes does the email server operate?
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MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
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What does MUA stand for?
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Mail User Agent (i.e., Thunderbird)
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The three most common HTTP message types are?
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GET, POST, PUT
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Give an example of a top level domain
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.com or .net
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MX is what?
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Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
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What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
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ipconfig/displaydns
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Typical port for DNS?
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TCP/UDP port 53
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Typical port for HTTP?
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80
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Typical port for SMTP?
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25
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Typical port for POP?
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UDP port 110
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Typical port for Telnet?
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23
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Typical port for DHCP?
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UDP port 67
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Typical ports for FTP?
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20 and 21
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What does SMTP stand for?
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Simple Mail Transfer Protocol
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The application layer is which layer of the OSI model?
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Layer 7 is the apllication layer and all its components: applications, services and protocols
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The TCP/IP application layer consists roughly of which three OSI layers?
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Application, presentation and session
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How many bits equal a byte?
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8
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What is a peer-to-peer network?
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Two or more computers connected through a network to share resources without a dedicated server involved.
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Client and server processes are considered to be in what layer?
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The application layer, layer 7
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Protocols perform what tasks?
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Establish consistent rules for exchanging data
Specifies how data inside the messages are structured and the types of messages that are sent between source and destination Defines message dialogs (correct response and correct services invoked) |
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A ___________ provides the function for doing something, whereas a ___________ provides the rules the service uses
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Service, protocol
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DNS is used to resolve internet names to ________________? (Hint: plural)
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IP addresses
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What is a server daemon?
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A service or process that runs in the background to "listen" to client requests
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The HELO command does what in SMTP?
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Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
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Generally, which is best for end-user devices? Dynamic (DHCP) addressing or static?
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Dynamic
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Which is the best bet for network devices like gateways, switches, servers and printers--dynamic or static addressing?
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Static
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ACK is what?
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Acknowledgment message
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NAK is?
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Negative Acknowledgment message
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SMB stands for what?
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Server message block, a request/response protocol
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Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
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SAMBA
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HTTP is used to do which of the following?
A. Resolve internet names to IP addresses B. Provide remote access to servers and networked devices C. Transfer files that make up the web pages of the WWW D. Transfer the mail messages and attachments |
C. Transfer files that make WWW
Don't be fooled; DNS is for resolving names to IP addresses |
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What is GET?
A. A client request for data B. A protocol that uploads resources or content to the web server C. A protocol that uploads information to the server in plain text that can be intercepted and read D. A response from the server |
A. A client request for data
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Which is the most popular network service? HTTP, FTP, Telnet or Email?
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Email. (Note: HTTP is technically a protocol, so that is incorrect)
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FTP requires ___(a number)___________ connection(s) between client and server to successfully transfer files. 1, 2, 3 or 4?
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2. FTP requires one for commands and replies and one for actual file transfer
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DHCP enables clients on a network to do which of the following?
A. Have unlimited telephone conversations B. Play back video streams C. Obtain IP addresses D. Track intermittent denial of service attacks |
C. Get IP addresses
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Linux uses SAMBA, which is a version of which protocol?
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SMB
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Which of the following is a connection using Telnet?
A. File transfer protocol session B. Trivial file transfer protocol C. Virtual terminal session D. Auxiliary session |
C. Virtual terminal session. A connection using Telnet is called a VTY session/connection
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Is ebay P2P or client/server?
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Client/server
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In the client/server model, the device requesting the service is referred to as the ...?
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Client. Even though a device can be both, the device requesting is defined as client
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