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Question
Which of the following conditions is used to transmit two packets over a medium at the same time?
Options
A. Contention
B. Collision
C. Synchronous
D. Asynchronous
Correct Answer
Collision
Networking problems
Search Results
1. Communication network is
Options
A. one or more conductors that serve as a common connection for a related group of devices
B. a continuous frequency capable of being modulated or impressed with a second signal
C. the condition with two or more stations attempt to use the same channel at the same time
D. a collection of interconnected functional units that provides a data communications service among stations attached to the network
E. None of the above
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Correct Answer: a collection of interconnected functional units that provides a data communications service among stations attached to the network
2. If the ASCII character G is sent and the character D is received, what type of error is this?
Options
A. single-bit
B. multiple-bit
C. burst
D. recoverable
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Correct Answer: burst
3. Which of the following is separated by a subnet mask?
Options
A. DHCP scopes
B. Network ID and host ID
C. Domains
D. Subnets
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Correct Answer: Network ID and host ID
4. Which of the following files is used for NetBIOS name resolution?
Options
A. HOSTS
B. LMHOSTS
C. ARP
D. FQDN
E. None of the above
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Correct Answer: LMHOSTS
5. Computers in a LAN can be interconnected by radio and infrared technologies.
Options
A. Wireless LANs
B. Network Topologies
C. Multiplexer
D. Modem
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Correct Answer: Wireless LANs
6. Examples are packet switching using frame relay, and cell switching using ATM technologies. Select the best fit for answer:
Options
A. Bandwidth alternatives
B. Switching alternating
C. Inter organizational networks
D. Extranets
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Correct Answer: Switching alternating
7. A devices that links two homogeneous packet-broadcast local networks, is
Options
A. hub
B. bridge
C. repeater
D. gateway
E. None of the above
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Correct Answer: bridge
8. The transfer of data from a CPU to peripheral devices of a computer is achieved through
Options
A. modems
B. computer ports
C. interfaces
D. buffer memory
E. None of the above
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Correct Answer: computer ports
9. You have a network ID of 192.168.10.0 and require at least 25 host IDs for each subnet, with the largest amount of subnets available. Which subnet mask should you assign?
Options
A. 255.255.255.192
B. 255.255.255.224
C. 255.255.255.240
D. 255.255.255.248
E. 255.255.255.255
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Correct Answer: 255.255.255.224
10. Which of the following statements is correct?
Options
A. Protocol converters are the same as multiplexers
B. Protocol converters are the same as TDMs
C. Protocol converters are usually not operated in pairs.
D. Protocol converters are usually operated in
E. None of the above
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Correct Answer: Protocol converters are usually not operated in pairs.
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