Cisco Certifications Tutorials

41 http:\\ciscocertifications.info 55. You have an IP address of 153.50.6.27 and a subnet mask of 255.255.255.128. What is the class, how many bits are being subnetted, and what is the broadcast address? A: Class B, 9 bits, 153.50.6.127 56. How do you display the ipx routing updates in or out between routers? A: sh ipx traffic 57. How do you enable IPX on a router? A: ipx routing, int e0, IPX network 77790, encapsulation arpa 58. How do you display your configured DLCI's on a frame-relay router? A: sh frame-relay pvc 59. A Unique ID placed in the header of each frame as it travels the switch fabric with a user- assigned ID defined in each frame is known as? A: Frame tagging 60. Which OSI layer is responsible for putting 1s and 0s into a logical group? A: Data Link 61. Which OSI layer is responsible for addressing devices and routing through an internetwork? A: Network 62. Which layer is responsible for flow control, acknowledgment, and windowing? A: Transport 63. What is the result of segmenting a network with a router into 2 segments? A: It prevents one segment's broadcasts from getting to the other segment. 64. Which layer is responsible for coordinating communication between systems? A: Session 65. Which layer is responsible for negotiating data transfer syntax? A: Presentation 66. Which layer is responsible for synchronizing sending and receiving applications, identifying and establishing the availability of the intended communication partner, and determining if sufficient resources for the intended communication exists? A: Application 67. CPE is an acronym for what? A: Customer Premises Equipment