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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. 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






3. Proprietary






4. Uses MD5 challange/response






5. 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






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






7. What are the PPP Data Link protocols?






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






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






10. WAN stands for?






11. No authentication






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






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






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






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






16. Method for encapsulating datagrams over serial links






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






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






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






20. Less secure; Passwords are sent in clear text






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






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






23. 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






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






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






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






27. HDLC stands for what?






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






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






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






31. What does PPP mean?






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






33. Bit-oriented Data Link layer protocol






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






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






36. 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






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






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






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






40. Physical layer international standard for serial communication






41. 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)






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






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






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






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






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






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






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






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






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






Can you answer 50 questions in 15 minutes?



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