Test your basic knowledge |

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. To transport layer 3 packets across a Data Link layer point-to-point link






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






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






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






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






6. Uses dial-up modems or ISDN and is used for low-bandwidth data transfers; No data can transfer before an end-to-end connection is established






7. What are the two PPP authentication methods?






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






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






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






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






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






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






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






15. What does PPP mean?






16. A connection-oriented protocol at the Data Link layer for use with X.25; causes a tremendous amount of overhead because of its strict time-out and windowing techniques; can also be used as a simple data link transport






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






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






19. Write the commands to configure s0 to PPP encapsulation






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






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






22. Which type of port on a router is used for a T1?






23. What is a good command to verify your serial interface on a router?






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






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






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






27. Which Data Link encapsulation can be used if you have one free serial interface and many remote offices to connect?






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






29. Proprietary






30. WAN stands for?






31. Includes the area from the CSU/DSU - through the provider's wiring and switches - all the way to the CSU/DSU at the other end; provides clocking to the DTE-connected interface (the router's serial interface)






32. 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






33. Nonproprietary






34. 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






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






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






37. Which protocol in PPP is used to identify the routed protocols?






38. Specifies an encapsulation method for data on synchronous serial data links using frame characters and checksums






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






40. Bit-oriented Data Link layer protocol






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






42. What are common Data Link WAN encapsulations?






43. Physical layer international standard for serial communication






44. 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






45. Method of establishing and configuring different Network layer protocols






46. When a router is connected to a Frame Relay WAN link using a serial DTE interface - how is the clock rate determined?






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






48. Which is true regarding HDLC?






49. When PPP connections are started - the links go through three phases of session establishment. What are the three phases?






50. HDLC stands for what?