Computer Networking Data communications system depends on four fundamental characteristics Timeliness Receiver Sender Medium Timeliness Receiver Sender Medium ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Select the correct cable that transport signals in the form of light: Fiber optic cable Coaxial Cable Shielded Twisted Pair cable Twisted-Pair cable Fiber optic cable Coaxial Cable Shielded Twisted Pair cable Twisted-Pair cable ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How much power (roughly) a light-emitting diode can couple into an optical fiber? None of these 100 picowatts 440 microwatts 10 milliwatts 100 microwatts None of these 100 picowatts 440 microwatts 10 milliwatts 100 microwatts ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the name of the computer based EMMS that provides a common forum where users can check in at their convenience, post messages, actively exchange ideas and participate in ongoing discussions? Bulletin board system (BBS) E-mail Teleconferencing None of these Videoconferencing Bulletin board system (BBS) E-mail Teleconferencing None of these Videoconferencing ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Suppose that you have a customer who has a central HQ and six branch offices. They anticipate adding six more branches in the near future. They wish to implement a WAN technology that will allow the branches to economically connect to HQ and you have no free ports on the HQ router. Which of the following would you recommend? Frame Relay ISDN PPP HDLC Frame Relay ISDN PPP HDLC 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. 1, 3 and 5 2, 3 and 6 2 and 4 1 and 5 1, 3 and 5 2, 3 and 6 2 and 4 1 and 5 ANSWER DOWNLOAD EXAMIANS APP
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