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Wide Area Netwoking Protocols

Subject : it-skills
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. Data Link layer protocol that can be used over either asynchronous serial (dial-up) or synchronous serial (ISDN) media






2. Which are considered WAN connection types? (Choose three.)






3. A point-to-point connection or dedicated connection; a pre-established WAN communications path from the CPE through the DCE switch to the CPE of the remote site - allowing DTE networks to communicate at any time with no setup procedures before transm






4. Write the commands to configure a username of todd and password of cisco that is used on a Cisco router






5. Which of the following protocols are used with ISDN as an out-of-band protocol?






6. Designed to allow the simultaneous use of multiple Network layer protocols






7. A trunk line inside a WAN provider's network; a collection of switches and facilities owned by the ISP






8. If you have a T1 - what must you connect from your router to a demarc?






9. Which of that following is a packet-switching encapsulation?






10. Serial interfaces by default; connect into data communication equipment (DCE)






11. HDLC stands for what?






12. Uses MD5 challange/response






13. What is the reason why the serial link between the Corp router and the Remote router will not come up?






14. Proprietary






15. Write the command to see the encapsulation method on serial 0 of a Cisco router






16. Can encapsulate several layer 3 routed protocols and provide authentication - dynamic addressing - and callback






17. Used with ISDN at the Data Link layer (layer 2) as a protocol for the D (signaling) channel






18. Which PPP protocol provides link establishment?






19. WAN stands for?






20. Physical layer international standard for serial communication






21. If required - either CHAP or PAP can be used to authenticate a link






22. Equipment that's owned by the subscriber and located on the subscriber's premises






23. Connects the demarc to the closest switching office - called a central office






24. To connect two DTE networks together through a DCE network






25. This point connects the customers to the provider's switching network






26. Derived from Synchronous Data Link Control (SDLC); created by IBM as a Data Link connection protocol; very little overhead compared to LAPB; The HDLC header carries no identification of the type of protocol being carried inside the HDLC encapsulation






27. Network Control Protocol (NCP) is used to allow multiple Network layer protocols (routed protocols) to be used on a point-to-point connection






28. Which of the following encapsulations was considered an upgrade from x.25?






29. Which of the following are considered common Data Link WAN encapsulation types? (Choose three.)






30. What is the default serial encapsulation used on Cisco routers?






31. A set of digital services that transmit voice and data over existing phone lines






32. Uses cells instead of packets that are a fixed 53 bytes long; can use isochronous clocking (external clocking) to help the data move faster; provides simultaneous transmission of voice - video - and data






33. Uses the LCP (Link Control Protocol) to build and maintain data link connections






34. The spot where the service provider's responsibility ends and the CPE begins






35. Data Link and Physical layer specification that provides high performance; successor to X.25






36. Which is true regarding HDLC?






37. Method of establishing - configuring - maintaining - and terminating the point-to-point connection






38. Protocol stack is specified at the Physical and Data Link layers only






39. How do you configure a serial interface to use PPP encapsulation?






40. Used to create point-to-point links between different vendors' equipment; uses a Network Control Protocol field in the Data Link header to identify the Network layer protocol; allows authentication and multilink connections and can be run over asynch






41. LCP packets are sent by each PPP device to configure and test the link






42. The default encapsulation used by Cisco routers over synchronous serial links






43. What is the default serial encapsulation on a Cisco router?






44. No authentication






45. The Acme Corporation is implementing dial-up services to enable remote-office employees to connect to the local network. The company uses multiple routed protocols - needs authentication of users connecting to the network - and - since some calls wil






46. Allows you to share bandwidth with other companies to save money; a network that's designed to look like a leased line yet charges you (and costs) more like circuit switching; data transfers are bursty in nature; Frame Relay and X.25






47. One bit at a time over a single channel






48. What are the PPP Data Link protocols?






49. Write the commands to configure s0 to PPP encapsulation






50. What are common Data Link WAN encapsulations?







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