Computer Networking Which of the following describes the creation of private networks across the Internet, enabling privacy and tunneling of non-TCP/IP protocols? Cable HDLC VPN xDSL IPSec Cable HDLC VPN xDSL IPSec ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Why does the data communication industry use the layered OSI reference model?1. It divides the network communication process into smaller and simpler components, thus aiding component development, design, and troubleshooting.2. It enables equipment from different vendors to use the same electronic components, thus saving research and development funds.3. It supports the evolution of multiple competing standards and thus provides business opportunities for equipment manufacturers.4. It encourages industry standardization by defining what functions occur at each layer of the model. 1 and 4 1 only 2 and 3 3 only 1 and 4 1 only 2 and 3 3 only ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost. 1/ (1 - F) K I (K - P) None of these KIK (1 + F) P I (K + 1) 1/ (1 - F) K I (K - P) None of these KIK (1 + F) P I (K + 1) ANSWER DOWNLOAD EXAMIANS APP
Computer Networking When you connect to an online information service, you are asked to provide some kind of identification such as your name, an account number and a password. What is the name given to this brief dialogue between you and the information system? Log-on procedure Safeguard procedure Identification procedure None of these Security procedure Log-on procedure Safeguard procedure Identification procedure None of these Security procedure ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which two statements describe the IP address 10.16.3.65/23?1. The subnet address is 10.16.3.0 255.255.254.0.2. The lowest host address in the subnet is 10.16.2.1 255.255.254.0.3. The last valid host address in the subnet is 10.16.2.254 255.255.254.0.4. The broadcast address of the subnet is 10.16.3.255 255.255.254.0. 2 and 4 1, 2 and 4 2, 3 and 4 2 and 5 only 1 and 3 2 and 4 1, 2 and 4 2, 3 and 4 2 and 5 only 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the result of segmenting a network with a bridge (switch)?1. It increases the number of collision domains.2. It decreases the number of collision domains.3. It increases the number of broadcast domains.4. It decreases the number of broadcast domains.5. It makes smaller collision domains.6. It makes larger collision domains. 1 and 5 2, 3 and 5 1, 3 and 6 3, 4 and 6 1 and 5 2, 3 and 5 1, 3 and 6 3, 4 and 6 ANSWER DOWNLOAD EXAMIANS APP
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