Computer Networking What frequency range is used for microwave communications, satellite and radar? Low Frequency : 30 kHz to 300 kHz Medium Frequency : 300 kHz to 3 MHz Super High Frequency : 3000 MHz to 30000 MHz Extremely High Frequency :30,000 MHz None of these Low Frequency : 30 kHz to 300 kHz Medium Frequency : 300 kHz to 3 MHz Super High Frequency : 3000 MHz to 30000 MHz Extremely High Frequency :30,000 MHz None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The application layer of a network All of these consists of software being run on the computer connected to the network defines the user's port into the network None of these establishes, maintains, and terminates virtual circuits All of these consists of software being run on the computer connected to the network defines the user's port into the network None of these establishes, maintains, and terminates virtual circuits 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 physical address that is assigned by the manufacturer A physical address that is randomly assigned each time the computer is started A logical address that identifies the workstation An alias for the computer name The logical domain address for the workstation A physical address that is assigned by the manufacturer A physical address that is randomly assigned each time the computer is started A logical address that identifies the workstation An alias for the computer name The logical domain address for the workstation ANSWER DOWNLOAD EXAMIANS APP
Computer Networking On a class B network, how many subnets are available with a subnet mask of 248? 6 30 2 126 62 6 30 2 126 62 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following allows a simple email service and is responsible for moving messages from one mail server to another? FTP POP3 IMAP DHCP SMTP FTP POP3 IMAP DHCP SMTP ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A noiseless 3 KHz Channel transmits bits with binary level signals. What is the maximum data rate? 6 Kbps 24 Kbps. 12 Kbps 3 Kbps 6 Kbps 24 Kbps. 12 Kbps 3 Kbps ANSWER DOWNLOAD EXAMIANS APP
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