Network Pro Final Exam Questions and Answers

Network Pro Final Exam Questions and Answers Which of the following correctly describes the T1 carrier system? (select two.) -Answer-T1 lines use 2 pairs of copper wire, A single T1 channel can transfer data at 64 Kbps Which of the following cable classifications are typically used for cable and satellite networking with coaxial cables? (Select two.) -Answer-RG-6 and RG-59 You want to connect your client computer to a wireless access point connected to your wired network at work. The network administrator tells you that the access point is configured to use WPA2 Personal with the strongest encryption method possible. SSID broadcast is turned off. Which of the following must you configure manually on the client? (Select three.) -Answer- Preshared key, AES, SSID At which of the following OSI layers does a router operate? -Answer-Layer 3 Which of the following is the best device to deploy to protect your private network from a public untrusted network? -Answer-Firewall You want to implement a protocol on your network that allows computers to find the IP address of a host from a logical name. Which protocol should you implement? -Answer-DNS You have a small network at home that is connected to the Internet. On your home network you have a server with the IP address of 192.168.55.199/16. All computers on your home network can connect to the Internet. From your work office, you try to access your home computer using its IP address, but are unable to communicate with the server. You can connect to other hosts on the Internet. Why can't you access the server? -Answer-Private addresses are not accessible through the Internet. What is the basic purpose of the OSI Physical layer? -Answer-Coordinates rules for transmitting bits. Which of the following do switches and wireless access points use to control access through the device? -Answer-MAC filtering You are troubleshooting a workstation connection to the network. During your troubleshooting, you replace the drop cable connecting the computer to the network. Which type of document should you update? -Answer-Change documentation The configuration document identifies specific configuration information for a device. It might include information about the connection to the network. A network diagram might include the location of the workstation on your site and its connection to the network. A wiring schematic might include information about how the device connects to the punchdown blocks or patch panels. For each of these documents, simply changing the drop cable does not alter the information that would be in each document, so no change would be required. -Answer-MAC flooding You have a network that uses a logical bus topology. How do messages travel through the network? -Answer-Messages are broadcast to all devices connected to the network. Which two of the following tasks do routers perform? -Answer-Maintain information about paths through an internetwork and Route data based on logical network addresses Which three of the following are not valid IP addresses? -Answer-The min is 0 and the max is 255. In a variation of the brute force attack, an attacker may use a predefined list (dictionary) of commonly used usernames and passwords to gain access to existing user accounts. Which countermeasure best addresses this issue? -Answer-A strong password policy You are adding new wires in your building for some new offices. The building has a false ceiling that holds the lights. You would like to run your Ethernet cables in this area. Which type of cable must you use? -Answer-Plenum Ethernet 100BaseFX networks use what type of cabling? -Answer-Fiber optic Which of the following terms are often synonymous with or made possible with CIDR? (Select two.) -Answer-VLSM and Classl