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






2. HDLC stands for what?






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






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






5. Less secure; Passwords are sent in clear text






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






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






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






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






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






11. 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






12. WAN stands for?






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






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






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






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






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






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






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






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






21. No authentication






22. Nonproprietary






23. Write the commands to configure s0 to PPP encapsulation






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






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






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






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






28. 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)






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






30. 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






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






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






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






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






35. Bit-oriented Data Link layer protocol






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






37. 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






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






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






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






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






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






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






44. What are common Data Link WAN encapsulations?






45. Method for encapsulating datagrams over serial links






46. Method of establishing and configuring different Network layer protocols






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






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






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






50. What are the PPP Data Link protocols?







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