Computer Networking Which of the following services use UDP?1. DHCP2. SMTP3. SNMP4. FTP5. HTTP6. TFTP 1, 3 and 6 2 and 4 1, 2 and 4 All of these 1, 3 and 6 2 and 4 1, 2 and 4 All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A front-end processor is a minicomputer that relieves main-frame computers at a computer centre of communications control functions a processor in a large-scale computer that executes operating system instructions a user computer system None of these preliminary processor of batch jobs. a minicomputer that relieves main-frame computers at a computer centre of communications control functions a processor in a large-scale computer that executes operating system instructions a user computer system None of these preliminary processor of batch jobs. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Contention is a continuous frequency capable of being modulated or impressed with a second signal One or more conductors that serve as a common connection for a related group of devices the condition when two or more stations attempt to use the same channel at the same time None of these a collection of interconnected functional units that provides a data communications service among stations attached to the network a continuous frequency capable of being modulated or impressed with a second signal One or more conductors that serve as a common connection for a related group of devices the condition when two or more stations attempt to use the same channel at the same time None of these a collection of interconnected functional units that provides a data communications service among stations attached to the network ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which three commands can be used to check LAN connectivity problems on a router?1. show interfaces2. show ip route3. tracert4. ping5. dns lookups None of these 1 ,2 and 4 3 and 5 2 and 5 None of these 1 ,2 and 4 3 and 5 2 and 5 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A 6-MHz channel is used by a digital signaling system utilizing 4-level signals. What is the maximum possible transmission rate? 1.5 Mbaud/sec None of these 24 Mbaud/sec 6 Mband/sec 12 Mbaud/sec 1.5 Mbaud/sec None of these 24 Mbaud/sec 6 Mband/sec 12 Mbaud/sec ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Error control is needed at the transport layer because of potential errors occurring _____. in routers from transmission line noise from packet losses. from out-of-sequence delivery in routers from transmission line noise from packet losses. from out-of-sequence delivery ANSWER DOWNLOAD EXAMIANS APP
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