Computer Networking The OCR reading unit attached to a POS terminal is called a None of these wand All of these cursor light pen None of these wand All of these cursor light pen ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Four bits are used for packet sequence numbering in a sliding window protocol used in a computer network. What is the maximum window size? 8 15 16 4 None of these 8 15 16 4 None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If the ASCII character G is sent and the character D is received, what type of error is this? single-bit None of these recoverable burst multiple-bit single-bit None of these recoverable burst multiple-bit ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The data-link layer, in reference to the OSI model, specifies None of these the interface between the X.25 network and packet mode device the virtual circuit interface to packet-switched service All of these data link procedures that provide for the exchange of data via frames that can be sent and received None of these the interface between the X.25 network and packet mode device the virtual circuit interface to packet-switched service All of these data link procedures that provide for the exchange of data via frames that can be sent and received ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called? Global network None of these Paperless office Electronic newspaper Electronic mail Global network None of these Paperless office Electronic newspaper Electronic mail 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 All of these 3 and 4 1 and 3 5 only 1 only All of these 3 and 4 1 and 3 5 only 1 only ANSWER DOWNLOAD EXAMIANS APP
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