Internetworking Questions and Answers

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Internetworking plays a vital role in connecting multiple networks and enabling data communication across diverse systems. This topic covers essential networking aptitude questions and answers focusing on OSI layers, TCP/IP protocols, routers, switches, and subnetting concepts. These internetworking questions with answers help learners and job seekers strengthen their fundamentals in network design and configuration. The content is especially useful for Cisco, CompTIA, and TCS networking exams where questions test both theoretical and applied knowledge. Mastering internetworking ensures candidates are prepared for both technical certification and campus placement tests involving network management and troubleshooting.

Internetworking

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1. How does a host on an Ethernet LAN know when to transmit after a collision has occurred? 1  In a CSMA/CD collision domain, multiple stations can successfully transmit data simultaneously.    2 In a CSMA/CD collision domain, stations must wait until the media is not in use before       transmitting.    3 You can improve the CSMA/CD network by adding more hubs.    4 After a collision, the station that detected the collision has first priority to resend the lost data.    5 After a collision, all stations run a random backoff algorithm. When the backoff delay period has expired, all stations have equal priority to transmit data.

  • 1 and 3
  • 2 and 4
  • 1,3 and 4
  • 2 and 5
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2. Which of the following types of connections can use full duplex?     Hub to hub     Switch to switch     Host to host     Switch to hub     Switch to host

  • 1, 2 and 4
  • 3 and 4
  • 3 and 5
  • 2, 3 and 5
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3. Acknowledgments, sequencing, and flow control are characteristics of which OSI layer?

  • Layer 2
  • Layer 3
  • Layer 4
  • Layer 7
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4. Which fields are contained within an IEEE Ethernet frame header?     Source and destination MAC address     Source and destination network address     Source and destination MAC address and source and destination network address     FCS field

  • 1 and 4
  • 2 only
  • 2 and 3 only
  • 3 only
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5. What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?

  • Straight-through
  • Crossover cable
  • Crossover with a CSU/DSU
  • Rolled
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6. How to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?

  • Thicknet coax
  • Thinnet coax
  • Category 5 UTP cable
  • Fiber-optic cable
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7. Segmentation of a data stream happens at which layer of the OSI model?

  • Physical
  • Data Link
  • Network
  • Transport
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8. When data is encapsulated, which is the correct order?

  • Data, frame, packet, segment, bit
  • Segment, data, packet, frame, bit
  • Data, segment, packet, frame, bit
  • Data, segment, frame, packet, bit
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9. Which of the following are unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?     Half-duplex Ethernet operates in a shared collision domain.     Half-duplex Ethernet operates in a private collision domain.     Half-duplex Ethernet has higher effective throughput.     Half-duplex Ethernet has lower effective throughput.

  • 2 only
  • 1,2 and 3
  • 1 and 4
  • 4 only
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10. What type of RJ45 UTP cable is used between switches?

  • Straight-through
  • Crossover cable
  • Crossover with a CSU/DSU
  • Crossover with a router in between the two switches
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