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CCNA Network Fundamentals Vocab

Subjects : cisco, it-skills, ccna
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. An addressing scheme in which a network is partitioned into sections - with the section identifier forming one part of each destination's address and the destination identifier forming another






2. In the telnet application - commands are always introduced by a character with the decimal code 255 - known as the Interpret as Command character.






3. The process by which a device adds networking heads and trailers to data from an application for the eventual transmission of the data onto a transmission medium.






4. A port on cisco devices to which a terminal or computer with a terminal emulator is connected to the network device in order to communicate and configure the network device






5. Translation RFC 1918 addresses to public domain addresses. Because RFC 1918 addresses are not routerd on the Internet - hosts accessing the Internet must use public domain addresses.






6. A time period between ethernet frames that allows fairness with the CSMA/CD algorithm. Without a space between frames in other words - without some time with no frames being sent a NIC might always listen for silence - never hear silence and therefor






7. A 1-bit flag in the TCP header that is used to request to the higher layers for immediate delivery of the packet.






8. The normal operation of ethernet ports on a hub. In this mode - the mapping of the wire pairs in the hub port is in a normal configuration. Some hubs provide a media-dependent interface/media-dependent interface - crossover switch. This switch is usu






9. Devices at the user end of a user-network interface that serves as a data source - destination or both. DTE connects to a data network through a DCE device and typically uses clocking signals generated by the DCE. DTE includes such devices as compute






10. Network protocols or technologies that do not use the acknowledgment system to guarantee reliable delivery of information






11. Any combination of hardware device and/or software application designed to protect network devices from outside network users and/or malicious applications and files.






12. The portion of a binary number that carries the most weight - the one written farthest to the left. High-order bits are the 1s in the network mask.






13. The structure and order of words in a computer language






14. To transfer data from the computer functioning as a server to the client computer you are using.






15. A part of a computer network that every device communicates with using the same physical medium. Network segments are extended by hubs or repeaters.






16. A high-speed line or series of connections that forms a major pathway within a network. The term is often used to describe the main network connections comprising the Internet.






17. Data that directs a process. a flag in a data-link frame is an example of control data.






18. A protocol that allows a computer to retrieve email from a server.






19. The time required for some network pdu's to be sent and received - and a response PDU to be sent and received. In other words - the time between when a device sends data and when the same device receives a response.






20. A common term for 10base5 ethernet - referring to the fact that 10base5 cabling is thicker than the coaxial cabling used for 10base2.






21. A written specification that defines what tasks a service or device should perform. Each protocol defines messages - often in the form of headers - plus the rules and processes by which these messages are used to achieve some stated purpose.






22. Used in the CLI following the command. Keywords are parameters that are used with the command from a set of predefined values.






23. The process by which a router receives an incoming frame - discards the ata link header and trailer - makes a forwarding decision based on the destination IP address - adds a new data-link header and trailer based on the outgoing interface and forwar






24. A part of the ethernet frame that fills in the data field to ensure that the data field meets the minimum size requirement of 46 bytes.






25. When used generically - this term refers to end-user data along with networking headers and trailers that are transmitted through a network. When used specifically - it is end-user data - along with the network or Internet layer headers and any highe






26. The IP address of the originating host that is placed into the IP packet header.






27. To change the energy levels transmitted over some networking medium to transmit bits over that medium.






28. The design on networks that can continue to operate without interruption in the case of hardware - software or communications failures.






29. A routing feature in which frames in an interface output queue are prioritized based on various characteristics such as packet size and interface type.






30. Interface by magnetic signals caused by the flow of electricity. EMI can cause reduced data integrity and increased error rates on transmission channels. The physics of this process are that electrical current creates magnetic fields - which in turn






31. A 1-bt flag in the TCP header used to indicate the initial value of the sequence number. The SYN flag is only set in the first two segments of the three-way TCP connection establishment sequence.






32. A dotted decimal number defined by the IPv4 protocol to represent a network or subnet. It represents the network that hosts reside in. Also called a network number or network ID.






33. A form of transmission where one device transmits to all devices within the network or on another network






34. Can refer to computer hardware that is to be used by multiple concurrent users. Alternatively - this term can refer to computer software that provides services to many users. For example - a web server consists of web server software running on some






35. In networking - a general term referring to any energy signal on a transmission medium that is not part of the signal used to transmit data over that medium.






36. The glass fibers inside certain cables over which light is transmitted to encode 0 and 1






37. The process of forwarding frames in a switch or a bridge from one port to another port or from segment to segment






38. A network that incorporates both optical fiber along with coaxial cable to create a broadband network. commonly used by cable tv companies.






39. A group defined by a class D address (multicast - ranging from 224.0.0.0 to 239.255.255.255) - whereupon hosts can pertain to multicast groups. Hosts that have the same multicast address are part of the same host group.






40. A group that receives a multicast transmission. The members of a multicast group have the same mulitcast IP addressing to receive the same transmission.






41. The passage of a data packet between two network nodes.






42. Media access methodology in which a node wishing to transmit listens for a carrier wave before trying to send. If a carrier is sensed - the node waits for the transmission in progress to finish before initiating its own transmission.






43. A 1-bit flag in the TCP header that is used to request that a connection be re-established.






44. The table used by a switch or bridge that associates MAC addresses with the outgoing port. The switch or bridge uses this table for its forwarding/filtering decisions.






45. An internationally recognized definition of technical specifications that ensure worldwide consistency.






46. A service or a program to look up information in the DNS






47. Resources used to manage or operate the network. Overhead consumes bandwidth and reduces the amount of application data that can be transported across the network.






48. A removable component that has memory space for storage. Used on the router or switch for storing the compressed operating system image.






49. A notification sent from one network device to another to confirm that some event has occured.






50. Random-access memory that does not lose its contents when the computer is shut down







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