tailieunhanh - CompTIA Network+ Certification Study Guide part 19

CompTIA’s Network+ certification Study Guide part 19 is a globally-recognized, vendor neutral exam that has helped over 235,000 IT professionals reach further and higher in their careers. The 2009 Network+ exam (N10-004) is a major update with more focus on security and wireless aspects of networking. Our new study guide has been updated accordingly with focus on network, systems, and WAN security and complete coverage of today’s wireless networking standards. | 166 CHAPTER 4 Switching C. Install a bridge to break the larger LAN into two smaller ones and then connect these to the other LAN using a switch. D. Install a switch to break the larger LAN into two smaller ones and then connect these to the other LAN using a switch. 6. A small network consists of three computers named Alpha Beta and Omega. Alpha sends a message to Omega and the data is passed through a switch. When it reaches the hub which of the following will occur A. The message is broadcast to all of the computers on the network. B. The message is sent out on all of the ports. Beta will ignore the message because it isn t intended for that computer. C. The message will only be sent out on the port connecting to Beta. D. The message will only be sent out on the port connecting to Omega. 7. You are the network administrator of a large company that has experienced several hacking attempts in the past. You decide to install a new IDS on your network. Which of the following will be required so that the IDS can view data going across a switch A. Port authentication B. Port mirroring C. VLAN D. Trunking 8. Your company is looking at replacing all of the standard telephones used in its offices with IP telephones. The initial analysis shows that there would be a cost savings to the company using IP telephones but there is a concern that there would be a high initial cost of having to install new electrical outlets to power these devices. Which of the following could be used to power the IP telephones without needing to install additional power outlets A. PoE B. STP C. Trunking D. VLAN Self Test 167 9. You have decided to implement redundant switches on your network that will enable packets of data to take the best possible route to their destination. Which of the following features will you want on the switches that will be used on this network so that looping doesn t occur A. STP B. UDP C. TCP D. IDS 10. You have installed new cabling to accommodate a new section of .