Computer Networking Which of the following refers to the terms "residual error rate"? None of these the probability that one or more errors will be detected when an error detection mechanism is used the number of bit errors per twenty four hours of continuous operation on an asynchronous line signal to noise ratio divided by the ratio of energy per bit to noise per hertz The probability that one or more errors will be undetected when an error detection scheme is used None of these the probability that one or more errors will be detected when an error detection mechanism is used the number of bit errors per twenty four hours of continuous operation on an asynchronous line signal to noise ratio divided by the ratio of energy per bit to noise per hertz The probability that one or more errors will be undetected when an error detection scheme is used ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the maximum data rate for the 802.11g standard? 6Mbps 11Mbps 22Mbps 54Mbps 6Mbps 11Mbps 22Mbps 54Mbps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You want to improve network performance by increasing the bandwidth available to hosts and limit the size of the broadcast domains. Which of the following options will achieve this goal? Switches Managed hubs Bridges Switches configured with VLANs Switches Managed hubs Bridges Switches configured with VLANs ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?1. Switch2. NIC3. Hub4. Repeater5. RJ45 transceiver 1 and 3 3 and 4 5 only 1 only All of these 1 and 3 3 and 4 5 only 1 only All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The Acme Corporation is implementing dial-up services to enable remote-office employees to connect to the local network. The company uses multiple routed protocols, needs authentication of users connecting to the network, and since some calls will be long distance, needs callback support. Which of the following protocols is the best choice for these remote services? PAP Frame Relay HDLC 802.1 PPP PAP Frame Relay HDLC 802.1 PPP ANSWER DOWNLOAD EXAMIANS APP