Computer Networking Which of the following describes the creation of private networks across the Internet, enabling privacy and tunneling of non-TCP/IP protocols? VPN HDLC xDSL IPSec Cable VPN HDLC xDSL IPSec Cable ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission? Interface Attenuation Modem Teleprocessor None of these Interface Attenuation Modem Teleprocessor None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Error control is needed at the transport layer because of potential errors occurring _____. from packet losses. in routers from transmission line noise from out-of-sequence delivery from packet losses. in routers from transmission line noise from out-of-sequence delivery ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following are unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?1. Half-duplex Ethernet operates in a shared collision domain.2. Half-duplex Ethernet operates in a private collision domain.3. Half-duplex Ethernet has higher effective throughput.4. Half-duplex Ethernet has lower effective throughput. 4 only 1,2 and 3 1 and 4 2 only 4 only 1,2 and 3 1 and 4 2 only ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You are working with a network that has the network ID 192.168.10.0 and require nine subsets for your company and the maximum number of hosts. What subnet mask should you use? 255.255.255.224 255.255.255.252 255.255.255.240 255.255.255.248 255.255.255.192 255.255.255.224 255.255.255.252 255.255.255.240 255.255.255.248 255.255.255.192 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Networks that follow the 802.5 standard appear to be in a star topology but are actually operating in what type of topology? Ring Modified star Modified ring Hybrid hub Linear bus Ring Modified star Modified ring Hybrid hub Linear bus ANSWER DOWNLOAD EXAMIANS APP
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