Computer Networking What is the main reason the OSI model was created? So application developers can change only one layer's protocols at a time. So Cisco could use the model. So different networks could communicate. To create a layered model larger than the DoD model. So application developers can change only one layer's protocols at a time. So Cisco could use the model. So different networks could communicate. To create a layered model larger than the DoD model. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which network is a cross between circuits switched network and a data-gram network? Virtual-circuit network Circuit-switched network None of these Virtual-circuit identifier Virtual-circuit network Circuit-switched network None of these Virtual-circuit identifier ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What are the distinct functions of layer 2 switching that increase available bandwidth on the network?1. Address learning2. Routing3. Forwarding and filtering4. Creating network loops5. Loop avoidance6. IP addressing 2, 4 and 6 2 and 6 1, 3 and 5 3 and 5 2, 4 and 6 2 and 6 1, 3 and 5 3 and 5 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?1. Switch2. NIC3. Hub4. Repeater5. RJ45 transceiver 1 only 5 only 3 and 4 All of these 1 and 3 1 only 5 only 3 and 4 All of these 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The CCITT Recommendation X.25 specifies three layers of communications: Session, transport and network physical datalink and network None of these application, presentation and session datalink, network and transport Session, transport and network physical datalink and network None of these application, presentation and session datalink, network and transport ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Repeaters are often used on an 802.3 network to help strengthen the signals being transmitted. As with the length of segments and the number of segments, a limit exists as to how many repeaters can be used between any two nodes. What is the maximum number of repeaters that can be used? Six Four Two Five Three Six Four Two Five Three ANSWER DOWNLOAD EXAMIANS APP
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