Troubleshooting and Maintaining Cisco IP Switched Networks (TSHOOT 642-832) is a qualifying exam for the Cisco Certified Network Professional CCNP, certification. The TSHOOT 642-832 exam will certify that the successful candidate has important knowledge and skills necessary to (1) plan and perform regular maintenance on complex enterprise routed and switched networks and (2) use technology-based practices and a systematic ITIL-compliant approach to perform network troubleshooting.
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Cisco 642-832Exam
Troubleshooting and maintaing cisco ip networks
Exam Number/Code : 642-832
Exam Name : Troubleshooting and maintaing cisco ip networks
Questions and Answers : 286 Q&As
Update Time: 2010-10-25
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642-832 study guide
1. In computer networking a multicast address is an identifier for a group of hosts that have joined a multicast group. Multicast addressing can be used in the Link Layer (OSI Layer 2), such as Ethernet Multicast, as well as at the Internet Layer (OSI Layer 3) as IPv4 or IPv6 Multicast. Which two descriptions are correct regarding multicast addressing?
A. The first 23 bits of the multicast MAC address are 001-00-5
E. This is a reserved value that indicates a multicast application.
B. The last 3 bytes (24 bits) of the multicast MAC address are 001-00-5
E. This is a reserved value that indicates a multicast application.
C. To calculate the Layer 2 multicast address, the host maps the last 23 bits of the IP address into the last 24 bits of the MAC address. The high-order bit is set to 0.
D. The first 3 bytes (24 bits) of the multicast MAC address are 001-00-5
E. This is a reserved value that indicates a multicast application.
Answer: CD
2. Which two statements about the Cisco Aironet Desktop Utility (ADU) are true? (Select two)
A. The Aironet Desktop Utility (ADU) profile manager feature can create and manage only one profile for the wireless client adapter.
B. The Aironet Desktop Utility (ADU) can support only one wireless client adapter installed and used at a time.
C. The Aironet Desktop Utility (ADU) can be used to establish the association between the client adapter and the access point, manage authentication to the wireless network, and enable encryption.
D. The Aironet Desktop Utility (ADU) and the Microsoft Wireless Configuration Manager can be used at the same time to configure the wireless client adapter.
Answer: BC
3. At which layer of the OSI model does the Spanning Tree Protocol (STP) operate at?
