'<span>All methods should be declared private</span>' is not true for classes. One should be able to change the properties of objects, and to do this safely and in a controlled manner, some public methods are declared. Some private methods can also be declared for more potentially sensitive operations for being called from within the class.
Answer:
Correct limitation for Attribute Name and value is option
b: Value and name combined must not exceed 400KB
Explanation:
For amazon dynamo db You can have unlimited attribute per item but one attribute cannot exceed 400 kb in size.400Kb is the limit of an item which can be stored in db.
If bigger data is required to store than data is stored some where and links/url to data are stored in the db.
For Item max size is 64KB
Answer:
DiffServ (Differentiated Service)
Explanation:
DiffServ (Differentiated Service) field is used to prioritize traffic in IPv4 packet.
DiffServ is used as QoS (quality of service) on networks at Layer 3, replacing former IPv4 TOS field to effectively deal with the web traffic and prioritization issues starting from 1998.
Your answer should be expansion boards
Answer: A) Airline ticket, sales receipts, and packing slips
Explanation:
Transactional information is the data that is used for supporting transaction action of every day in a business unit. This information keeps the record whether the transaction is complete or failed.
- Example - slip of packing, sale receipt etc.
- Other options are incorrect because statistic of sales , spreadsheet ,outcome of sale and projection of growth does not relate with transaction process.
- Thus, the correct option is option(A).
