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






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






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






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






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






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






7. HDLC stands for what?






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






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






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






11. What does PPP mean?






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






13. What are the two PPP authentication methods?






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






15. One bit at a time over a single channel






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






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






18. 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






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






20. 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






21. What are common Data Link WAN encapsulations?






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






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






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






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






26. 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)






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






28. WAN stands for?






29. Method for encapsulating datagrams over serial links






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






31. What are the PPP Data Link protocols?






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






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






34. Uses MD5 challange/response






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






36. 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






37. Bit-oriented Data Link layer protocol






38. Which PPP protocol provides link establishment?






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






40. 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






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






42. Write the commands to configure s0 to PPP encapsulation






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






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






45. Proprietary






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






47. Nonproprietary






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






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






50. Less secure; Passwords are sent in clear text






Can you answer 50 questions in 15 minutes?



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