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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. Application-level throughput. It is the number of useful bits per unit of time from a certain source address to a certain destination - excluding protocol overhead and excluding retransmitted data packets.






2. IPv4 address of a network host. When talking about host addresses - they are the network layer addresses.






3. The ability of a protocol. system or component to be modified to fit a new need.






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






5. The IPv4 multicast addresses 224.0.0.0 to 224.0.0.255. These addresses are to be used for multicast groups on a local network. Packets to these destinations are always transmitted with a TTTL value of 1






6. A protocol for synchronizing the clocks of computer systems over packet-switch data networks. NTP uses UDP port 123 as its transport layer.






7. The reference to text based logical interfaces on an ios device. These are accesses using telnet or ssh to perform administrative tasks. VTY lines are also called virtual type terminal.






8. In ethernet - the process performed by a bridge or switch when it decides that it should not forward a frame out another port






9. The optical or electrical impulse on a physical medium for purposes of communication.






10. A method of computer processing in which different parts of a program run simultaneously on two or more computers that are communicating with each other over a network






11. International standardization program created by ISO and ITU-T to develop standards for data networking that facilitate multivendor equipment interoperability






12. The range of ip addresses that can be assigned by the DHCP server.






13. In networking - a measurement of the speed of bits that can be transmitted over a particular link. It is the amount of data that can be transmitted in a certain amount of time. For digital bandwidth it is usually expressed in bits per second.






14. 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






15. A network device that accesses a service on another computer remotely by accessing the network.






16. A process used to verify the identity of a person or process






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






18. A request for information. Queries are answered with replies.






19. The forwarding of packets where the forwarding decision is taken dynamically - hop by hop - based on the conditions of downstream fowrading nodes.






20. In LAN switches a reference to cases in which a frame is forwarded - or switche - when the incoming and outgoing interfaces use the same speed. It is the opposite of asymmetric switching.






21. A device that connects end devices to the network or interconnects different networks. A router is an example of an intermediary device.






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






23. An international - nonprofit organization for the advancement of technology related to eletricity. IEEE maintains the standards defining many LAN protocols.






24. A network architecture designed to eliminate network downtime cause by a single point of failure.






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






26. Routing table entry that is used to direct frames for which a next hop is not explicitly listed in the routing table. This route is used to forward a packet when no other known route exists for a give packet's destination address.






27. A network scanning technique used to identify which host IP addresses are operational.






28. A layer 4 protocl of TCP/IP model - TCP lets applications guarantee delivery of data across a network.






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






30. 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






31. A group of 8 binary bits. It is similar to - but not the same as - a byte. One Application in computer network is to use octets to divide IPv4 addresses into four components






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






33. Define in RFC 1918 - an IP address that does not have to be globally unique because the address exists inside packets only when the packets are inside a single private IP internetwork. Private IP addresses are popularly used in most company today - w






34. The IPv4 address block 192.0.2.0 to 192.0.2.255 that is set aside for teaching and learning purposes. These addresses can be used in documentation and network examples.






35. A host or node that participates in some form of a group. For example - p2p technology defines a group of peers that participate jointly in the same activity - each one having a server and client component.






36. In ethernet - the results of two nodes transmitting simlutaneously. The signals from each device are damaged when they combine on the media






37. A command on many computer operating systems that discovers the IP addresses - and possibly host names - of the routers used by the network when sending a packet from one computer to another.






38. Binary digit used in the binary numbering system. Binary digits are units of information storage and communication in computing. Each bit can be either a 0 or a 1.






39. Network layer protocol in the TCP/IP stack offering a connectionless internetwork service. IP provides features for addressing - type-of-service specification - fragmentation and reassembly - and security.






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






41. 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






42. Defines the commands - headers and processes by which web server and web browsers transfer files.






43. The cabling and connectors used to interconnect the network devices.






44. A device on a network that serves as an access point to other networks. A default gateway is used by a host to forward IP packets that have destination addresses outside the local subnet. A router interface typically is used as the default gateway. W






45. A unicast IP address that is considered to have three parts: a network part - a subnet part - and a host part. The term classful refers to the fact that classful network rules are first applied to the address - and then the rest of the address can be






46. A 1-bit flag in the tcp header that indicates the acknowledgment field is valid.






47. The dividing of IP datagrams to meet the MTU requirement of a layer 2 protocol.






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






49. An IPv4 multicast address that is restricted to a local group or organization






50. A combination of many IP subnets and networks - as created by building a network using routers. The term internwork is used to avoid confusion with the term network - because an internetwork can include several IP networks.







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