Test your basic knowledge |

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. One bit at a time over a single channel






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






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






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






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






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






7. 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






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






9. 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






10. Uses MD5 challange/response






11. What does PPP mean?






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






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






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






15. Physical layer international standard for serial communication






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






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






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






19. Proprietary






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






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






22. Which PPP protocol provides link establishment?






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






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






25. HDLC stands for what?






26. 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






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






28. What are common Data Link WAN encapsulations?






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






30. 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






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






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






33. Write the commands to configure s0 to PPP encapsulation






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






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






36. 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






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






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






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






40. 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)






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






42. What are the two PPP authentication methods?






43. Method for encapsulating datagrams over serial links






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






45. 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






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






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






48. 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






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






50. Method of establishing and configuring different Network layer protocols