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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. If you had one serial interface on your router and needed to connect many remote locations - which Data Link encapsulation should you use?






2. One bit at a time over a single channel






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






4. Proprietary






5. HDLC stands for what?






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






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






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






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






10. Less secure; Passwords are sent in clear text






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






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






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






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






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






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






17. 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






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






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






20. 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






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






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






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






24. Bit-oriented Data Link layer protocol






25. 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






26. What are the PPP Data Link protocols?






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






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. To connect two DTE networks together through a DCE network






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






32. Physical layer international standard for serial communication






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






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






35. 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






36. 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)






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






38. Write the commands to configure s0 to PPP encapsulation






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






40. Which is true regarding HDLC?






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






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






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






44. What are common Data Link WAN encapsulations?






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






46. What are the two PPP authentication methods?






47. 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






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






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






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







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