Computer Networking The OCR reading unit attached to a POS terminal is called a wand All of these None of these light pen cursor wand All of these None of these light pen cursor ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Where is a hub specified in the OSI model? Session layer Application layer Data Link layer Physical layer Session layer Application layer Data Link layer Physical layer ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The X.25 standard specifies a technique for dial access technique for start-stop data data bit rate None of these DTE/DCE interface technique for dial access technique for start-stop data data bit rate None of these DTE/DCE interface ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How much power (roughly) a light-emitting diode can couple into an optical fiber? 100 microwatts 10 milliwatts 440 microwatts 100 picowatts None of these 100 microwatts 10 milliwatts 440 microwatts 100 picowatts None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the default subnet mask for a class C network? 255.255.0.0 None of these 255.0.0.0 127.0.0.1 255.255.255.0 255.255.0.0 None of these 255.0.0.0 127.0.0.1 255.255.255.0 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The MAC (Media Access Control) address of the network card is used in both Ethernet and Token-Ring networks and is essential for communication. What does MAC provide? A logical address that identifies the workstation A physical address that is assigned by the manufacturer A physical address that is randomly assigned each time the computer is started An alias for the computer name The logical domain address for the workstation A logical address that identifies the workstation A physical address that is assigned by the manufacturer A physical address that is randomly assigned each time the computer is started An alias for the computer name The logical domain address for the workstation ANSWER DOWNLOAD EXAMIANS APP
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