Computer Networking Acknowledgments, sequencing, and flow control are characteristics of which OSI layer? Layer 3 Layer 7 Layer 2 Layer 4 Layer 3 Layer 7 Layer 2 Layer 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Modulation is the process of converting analog signals to digital signals converting digital signals to analog signals Multiplexing various signals into high speed line signals performing data encryption. converting analog signals to digital signals converting digital signals to analog signals Multiplexing various signals into high speed line signals performing data encryption. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If one link fails, only that link is affected. All other links remain active. Which topology does this? Bus topology Mesh topology Star topology Physical topology Bus topology Mesh topology Star topology Physical topology ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What does a switch do when a frame is received on an interface and the destination hardware address is unknown or not in the filter table? Forwards the switch to the first available link Floods the network with the frame looking for the device Sends back a message to the originating station asking for a name resolution Drops the frame Forwards the switch to the first available link Floods the network with the frame looking for the device Sends back a message to the originating station asking for a name resolution Drops the frame ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following network types have a designated router and a backup designated router assigned? 1. Broadcast 2. Point-to-point 3. NBMA 4. NBMA point-to-point 1, 2 and 3 All of these 1 and 3 3 and 4 1, 2 and 3 All of these 1 and 3 3 and 4 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? Bridges Switches Managed hubs Switches configured with VLANs Bridges Switches Managed hubs Switches configured with VLANs ANSWER DOWNLOAD EXAMIANS APP
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