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A network professional constructs a network that may have failed connections. Which of the following network topologies provides an alternate route for a failed link?
  1. Bus
  2. Ring
  3. Mesh
  4. All of these
 

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Nestor Rutherford
Nestor RutherfordLv2
27 Feb 2020
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27. In a packet switched computer network which of the following statements is true? a) If a packet is lost or damaged, then the entire message needs to be retransmitted. b) Network devices need to have sufficient memory to store all packets for a given message. c) All packets belonging to the same message must use the same route for a given destination. d) The latency is lower than a message switched network, since the first packet can be sent right away without waiting for other packets to be ready. x e) None of the above

33. Base10 is the set of numbers created from the digits {0,1,2,3,4,5,6,7,8,9}. Whereas base2, which is the set of numbers created with {0,1}. We could similarly define base; as the ordered set of characters created from {X,Y,Z}. What is the following basez number, Yxz, in base ? Random graph For this section you will need to look at the classes Graph and GraphNode present in the appendix. A Graph consists of a number of nodes, each of which has connections to other nodes in the graph. You can think of nodes as a representation of a person in a social network (e.g. Facebook). The ArrayList connectedTo variable in GraphNodes is the list of friends that particular person has. For example, in the following graph, the node O is friends with node 1 and 2. On the other hand, node 2 and node 1 are not friends, hence the lack of link. 0-0 In the constructor of the Graph, the process of connecting nodes is randomized. Moreover, we will not allow a node to be connected to itself and we are going to assume that the arguments passed to the Graph constructor respect the following conditions: n > 2, and n > nbConnections. Pay close attention to the character order

Objective: Take a sample feed, parse it, augment it, and output individual JSON objects for each product in it.

product.txt

  • The file contains several fields of basic product information for 1000 products.
  • Data for each product is on one line, with fields separated by a vertical pipe character.

This particular retailer classifies products into a particular store, department, category, and subcategory.

Example >

  • A Blender might have the following "taxonomy" or category classification.

Home & Garden > Kitchen & Dining > Appliances > Blenders

Store

Department

Category

Subcategory

store_id

department_id

category_id

subcategory_id

 

These IDs are also represented in a sort of shorthand.

  • They should all be prefixed by the first three letters of their respective field name.

A store_id of 1 becomes sto1

A department_id of 2 becomes dep2

A category_id of 3 becomes cat3

A subcategory_id of 4 becomes sub4

targets.txt

  • A system to keep track of these various classifications
    • Example
      • A store_id of sto40 maps to a “target value” of 187298 in PromoteIQ's system

Output Example:

The desired output for the first product is one line of JSON that when pretty-printed looks like:

{

  "sku": "22067130",

  "name": "Brainboxes ES-571 Brainboxes Es-571 Industrial Isolated Ethernet to Serial + Switch - 1 x Network (R",

  "description": "Brainboxes ES-571 Brand New Includes Lifetime Warranty Product # ES-571 Factory floors can be harsh environments.",

  "priceList": 387.95,

  "taxonomy": [

    "sto2",

    "dep7",

    "cat270",

    "sub18532"

  ],

  "targetValues": [

    187167,

    187177,

    187950,

    196404

  ]

}

 

The taxonomy IDs have been mapped to their long form and placed in the taxonomy property.

  • Each taxonomy ID has also been mapped to its corresponding target value ID from the targets.txt file
    • and that result is stored in the targetValues
    • The priceList property is the product price as a JSON float, not a string

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