Computer Networking Which of the following connectivity devices is used to extend a network on a purely mechanical basis? Router Gateway Switch 802.6 Active hub Router Gateway Switch 802.6 Active hub ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases. "Line echo" occurs due to the impedance of the cable Cable terminators do not reflect the signal properly Repeaters cannot increase the signal strength sufficiently Network collisions occur Cable terminators do not absorb the signal properly "Line echo" occurs due to the impedance of the cable Cable terminators do not reflect the signal properly Repeaters cannot increase the signal strength sufficiently Network collisions occur Cable terminators do not absorb the signal properly ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How much power (roughly) a light-emitting diode can couple into an optical fiber? 100 picowatts 440 microwatts None of these 10 milliwatts 100 microwatts 100 picowatts 440 microwatts None of these 10 milliwatts 100 microwatts ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You are working with a network that has the network ID 10.9.0.0 and contains 73 networks. In the next year, you will be adding an additional 27 branch offices to your company. For simplified management, you want to keep the most possible hosts per subnet. Which subnet mask should you management, you want to keep the most possible hosts per subnet. Which subnet mask should you use? 255.252.0.0 255.254.0.0 255.248.0.0 255.224.0.0 255.240.0.0 255.252.0.0 255.254.0.0 255.248.0.0 255.224.0.0 255.240.0.0 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking After you have verified that TCP/IP is installed correctly, what is the next step in verifying the TCP/IP configuration? Ping the address of the local host Ping a distant router. Ping the broadcast address Ping the Microsoft Web site None of these Ping the address of the local host Ping a distant router. Ping the broadcast address Ping the Microsoft Web site None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The physical layer, in reference to the OSI model, defines data link procedures that provide for the exchange of data via frames that can be sent and received the interface between the X.25 network and packet mode device All of these None of these the virtual circuit interface to packet-switched service data link procedures that provide for the exchange of data via frames that can be sent and received the interface between the X.25 network and packet mode device All of these None of these the virtual circuit interface to packet-switched service ANSWER DOWNLOAD EXAMIANS APP
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