Basic CS [3i Infotech Placement]: Sample Questions 61 - 62 of 243

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Question 61

Basic CS
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Describe in Detail

Essay▾

What is traffic shaping?

Explanation

Define Traffic Shapping
  • Also known as packet shaping.
  • The practice of regulating network data transfer to assure a certain level of performance, quality of service or return on investment.
  • Attempts to normalize traffic peaks and bursts to prioritize certain flows over others.
  • Tries to get around physical limitation on amount of data which can be buffered by prioritizing traffic.
  • Prioritizes traffic whose potential loss is less disadvantageous- by user ID, IP, host name, or application
  • Prioritization of business over non-critical traffic and the certain of tiered service level.
  • Applied both at the network level and the application level.

Question 62

Basic CS
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Describe in Detail

Essay▾

What is Project 802?

Explanation

  • Set of networking standards and procedures for implementing networks and creating network related equipment.
  • Institute of Electrical and Electronics Engineers designed Project 802.
  • Mostly covers physical media aspects of networking, such as cabling, attachments, hardware recommendations,

802 Networking Standards:

  • 802.1:
    • Covers internetworking- routers, bridging, switches, and other internetworking communications standards and equipment.
  • 802.2:
    • Covers Logical Link Control- the properties and standards of physical media interoperability, such as network interface cards, attachment, and cabling media.
  • 803.2:
    • Deals with Ethernet and protocols
  • 802.4:
    • Deals with Token Bus LAN standards
  • 802.5:
    • Deals with Token Ring LAN standards
  • 802.6:
    • Deals with Metropolitan area network.
  • 802.7:
    • Deals with broadband technologies
  • 802.8:
    • Deals with fibre-optic technologies
  • 802.9:
    • Deals with integrated voice and data networks
  • 802.10:
    • Deals with network security standards and technologies
  • 802.11:
    • Deals with wireless networking technologies and standards
  • 802.12:
    • Deals with demand priority access technologies
  • 802.14:
    • Deals with cable television access
  • Media access control is the lower sub layer of the data link layer containing some distinct modules each carrying proprietary information specific to the LAN device.
  • The modules are Ethernet LAN, token ring LAN (802.4) , or Token bus LAN (802.5) etc,

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