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






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






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






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






5. 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






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






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






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






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






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






11. Uses MD5 challange/response






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






13. 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






14. 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






15. What are the two PPP authentication methods?






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






17. 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






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






19. Write the commands to configure s0 to PPP encapsulation






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






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






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






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






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






25. Method of establishing and configuring different Network layer protocols






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






27. Physical layer international standard for serial communication






28. Which is true regarding HDLC?






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






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






31. Less secure; Passwords are sent in clear text






32. Nonproprietary






33. Which encapsulations can be configured on a serial interface? (Choose three.)






34. 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






35. HDLC stands for what?






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






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






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






39. Proprietary






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






41. Uses the Network Control Protocol (NCP) to allow multiple Network layer protocols to be encapsulated and sent over a PPP data link






42. What are the PPP Data Link protocols?






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






44. 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






45. No authentication






46. What does PPP mean?






47. A point-to-point protocol used on leased lines






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






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






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