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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. 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






3. Physical layer international standard for serial communication






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






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






6. Write the commands to configure s0 to PPP encapsulation






7. 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






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






9. Which PPP protocol provides link establishment?






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






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






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






13. HDLC stands for what?






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






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






16. Proprietary






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






18. 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)






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






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






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






22. Method for encapsulating datagrams over serial links






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






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






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






26. Which is true regarding HDLC?






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






28. 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






29. What are common Data Link WAN encapsulations?






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






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






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






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






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






35. 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






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






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






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






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






40. No authentication






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






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






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






44. 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






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






46. Nonproprietary






47. One bit at a time over a single channel






48. Method of establishing and configuring different Network layer protocols






49. Less secure; Passwords are sent in clear text






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







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