Computer Networking What frequency range is used for microwave communications, satellite and radar? None of these Low Frequency : 30 kHz to 300 kHz Extremely High Frequency :30,000 MHz Super High Frequency : 3000 MHz to 30000 MHz Medium Frequency : 300 kHz to 3 MHz None of these Low Frequency : 30 kHz to 300 kHz Extremely High Frequency :30,000 MHz Super High Frequency : 3000 MHz to 30000 MHz Medium Frequency : 300 kHz to 3 MHz ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A group of 2m - 1 routers are interconnected in a centralized binary tree, with router at each tree node. Router I communicate with router J by sending a message to the root of the tree. The root then sends the message back down to J. Then find the mean router-router path length. 2 (m - 2) 2 (2m - 1) m - 1 (2m - l)/mJ 2 (m - 2) 2 (2m - 1) m - 1 (2m - l)/mJ ANSWER DOWNLOAD EXAMIANS APP
Computer Networking With an IP address set starting with 150, you currently have six offices that you are treating as subnets. Plans are in place to open 10 more offices before the end of the year. What subnet mask should you use to satisfy the needed number of subnets and maximize the number of hosts available at each site? 224 252 240 248 192 224 252 240 248 192 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You are working with a class C network. You are required to configure it for five subnets, each of which will support 25 nodes. What subnet should you use? 255.255.255.0 255.255.255.248 255.255.255.224 255.255.255.252 255.255.255.240 255.255.255.0 255.255.255.248 255.255.255.224 255.255.255.252 255.255.255.240 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How many digits of the DNIC (Data Network Identification Code) identify the country? None of these first six first four first three first five None of these first six first four first three first five ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You are trying to decide which type of network you will use at your office, and you want the type that will provide communication and avoid collisions on the cable. Which of the following is the best choice? Token-Ring CSMA/CA ARCnet CSMA/CD Ethernet Token-Ring CSMA/CA ARCnet CSMA/CD Ethernet ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS