Computer Networking How often are BPDUs sent from a layer 2 device? Never Every 2 seconds Every 10 minutes Every 30 seconds Never Every 2 seconds Every 10 minutes Every 30 seconds ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which WAN encapsulations can be configured on an asynchronous serial connection?1. PPP2. ATM3. HDLC4. SDLC5. Frame Relay All of these 1 and 2 2 and 4 3, 4 and 5 All of these 1 and 2 2 and 4 3, 4 and 5 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called? Electronic mail Telex None of these Word processor Facsimile Electronic mail Telex None of these Word processor Facsimile ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following divides the high speed signal into frequency bands? modem frequency-division multiplexer time-division multiplexer None of these t-switch modem frequency-division multiplexer time-division multiplexer None of these t-switch ANSWER DOWNLOAD EXAMIANS APP
Computer Networking RS-232-G requires only 7 pin out of 25 in order to transmit digital data over public telephone lines is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment is an interface between two data circuit terminating equipment as examplified by a local and remote modem None of these specifies only the mechanical characteristics of an interface by providing a 25-pin connector requires only 7 pin out of 25 in order to transmit digital data over public telephone lines is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment is an interface between two data circuit terminating equipment as examplified by a local and remote modem None of these specifies only the mechanical characteristics of an interface by providing a 25-pin connector ANSWER DOWNLOAD EXAMIANS APP
Computer Networking In a network with dozens of switches, how many root bridges would you have? 12 2 1 5 12 2 1 5 ANSWER DOWNLOAD EXAMIANS APP
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