Computer Networking The OCR reading unit attached to a POS terminal is called a light pen wand None of these All of these cursor light pen wand None of these All of these cursor ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What function does a serial interface perform in data communication? Converts parallel data into a stream of bits Converts analog signals into digital signals Converts serial data into audio signals None of these Decodes incoming signals into computer data Converts parallel data into a stream of bits Converts analog signals into digital signals Converts serial data into audio signals None of these Decodes incoming signals into computer data ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A smart modem can dial, hang up and answer incoming calls automatically. Can you tell who provides the appropriate instruction to the modem for this purpose? None of these Link access procedure (LAP) Communications software Error detecting protocols Telecommunications None of these Link access procedure (LAP) Communications software Error detecting protocols Telecommunications ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following commands will configure all the default VTY ports on a router? Router (config) #line vty all Router (config) #line vty 0 4 Router (config-if) #line console 0 Router#line vty 0 4 Router (config) #line vty all Router (config) #line vty 0 4 Router (config-if) #line console 0 Router#line vty 0 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain? ISL VTP DHCP STP ISL VTP DHCP STP ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following series of commands will restrict Telnet access to the router? Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line vty 0 4Lab_A(config-line)#access-class 10 in Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line con 0Lab_A(config-line)#ip access-group 10 in Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line vty 0 4Lab_A(config-line)#access-class 10 out Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line vty 0 4Lab_A(config-line)#ip access-group 10 in Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line vty 0 4Lab_A(config-line)#access-class 10 in Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line con 0Lab_A(config-line)#ip access-group 10 in Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line vty 0 4Lab_A(config-line)#access-class 10 out Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line vty 0 4Lab_A(config-line)#ip access-group 10 in ANSWER DOWNLOAD EXAMIANS APP
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