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






2. What are the two PPP authentication methods?






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






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






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






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






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






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






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






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






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






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






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






14. No authentication






15. 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






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






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






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






19. Method for encapsulating datagrams over serial links






20. Bit-oriented Data Link layer protocol






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






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






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






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






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






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






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






28. What does PPP mean?






29. Method of establishing and configuring different Network layer protocols






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






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






32. Less secure; Passwords are sent in clear text






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






34. Which is true regarding HDLC?






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






36. Write the commands to configure s0 to PPP encapsulation






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






38. One bit at a time over a single channel






39. What are common Data Link WAN encapsulations?






40. 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






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






42. 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






43. 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






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






45. Which PPP protocol provides link establishment?






46. Proprietary






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






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






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






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