Computer Networking Which of the following summation operations is performed on the bits to check an error-detecting code? Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions Codec Coder-decoder Checksum Attenuation Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions Codec Coder-decoder Checksum Attenuation ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What does a VLAN do? Acts as the fastest port to all servers. Provides multiple broadcast domains within a single collision domain. Breaks up broadcast domains in a layer 2 switch internetwork. Provides multiple collision domains on one switch port. Acts as the fastest port to all servers. Provides multiple broadcast domains within a single collision domain. Breaks up broadcast domains in a layer 2 switch internetwork. Provides multiple collision domains on one switch port. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following services use UDP?1. DHCP2. SMTP3. SNMP4. FTP5. HTTP6. TFTP All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You telnet to a router and make your necessary changes; now you want to end the Telnet session. What command do you type in? disable close disconnect exit disable close disconnect exit ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following best describes the scopes on each DHCP server, in the absence of configuration problems with DHCP addresses, if you use multiple DHCP servers in your environment? Unique to that subnet only For no more than two subnets For no subnets None of these For different subnets Unique to that subnet only For no more than two subnets For no subnets None of these For different subnets ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following best illustrates the default subnet mask for a class A,B, and C Network? 255.255.0.0, 255.255.255.0, 255.255.255.255 None of these 255.255.255.0, 255.255.0.0, 255.0.0.0 0.0.0.0, 0.0.0.1, 0.0.1.1 255.0.0.0, 255.255.0.0, 255.255.255.0 255.255.0.0, 255.255.255.0, 255.255.255.255 None of these 255.255.255.0, 255.255.0.0, 255.0.0.0 0.0.0.0, 0.0.0.1, 0.0.1.1 255.0.0.0, 255.255.0.0, 255.255.255.0 ANSWER DOWNLOAD EXAMIANS APP
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