Computer Networking Working of the WAN generally involves microwaves telephone lines satellites All of these None of these microwaves telephone lines satellites All of these None of these 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? None of these Electronic newspaper Paperless office Electronic mail Global network None of these Electronic newspaper Paperless office Electronic mail Global network ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You have two switches connected together with two crossover cables for redundancy, and STP is disabled. Which of the following will happen between the switches? The routing tables on the switches will not update. The switches will automatically load-balance between the two links. The MAC forward/filter table will not update on the switch. Broadcast storms will occur on the switched network. The routing tables on the switches will not update. The switches will automatically load-balance between the two links. The MAC forward/filter table will not update on the switch. Broadcast storms will occur on the switched network. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following frequency ranges is used for AM radio transmission? Very Low Frequency : 3 kHz to 30 kHz Medium Frequency : 300 kHz to 3 MHz None of these Very High Frequency : 30 MHz to 300 MHz High Frequency : 3 MHz to 30 MHz Very Low Frequency : 3 kHz to 30 kHz Medium Frequency : 300 kHz to 3 MHz None of these Very High Frequency : 30 MHz to 300 MHz High Frequency : 3 MHz to 30 MHz ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Demodulation is the process of combining many low speed channels into one high speed channel dividing the high-speed signals into frequency bands None of these converting digital signals to analog signals converting analog signals to digital signals combining many low speed channels into one high speed channel dividing the high-speed signals into frequency bands None of these converting digital signals to analog signals converting analog signals to digital signals ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following are benefits of VLANs?1. They increase the size of collision domains.2. They allow logical grouping of users by function.3. They can enhance network security.4. They increase the size of broadcast domains while decreasing the number of collision domains.5. They simplify switch administration.6. They increase the number of broadcast domains while decreasing the size of the broadcast domains. 2, 3 and 6 2 and 4 1, 3 and 5 1 and 5 2, 3 and 6 2 and 4 1, 3 and 5 1 and 5 ANSWER DOWNLOAD EXAMIANS APP
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