Other than cost, explain one advantage of purchasing an off‑the‑shelf emergency response system rather than a bespoke system.

Other than cost, explain one disadvantage of purchasing an off‑the‑shelf emergency response system rather than a bespoke system.

Explain two advantages of using URL rewriting as a strategy for making the HTTP connection stateful.

Award [2 max].
Award [1] for any advantage up to [2 max].
Tried and tested;
So, less risk;

Regularly updated;
Therefore, contains fewer errors;

More tech support;
e.g. Online chat systems.

Usually available for various platforms / operating systems;
Therefore, fewer compatibility issues, or can be run on different HW and SW;

Shorter timeframe for implementation;
Which is important in the context of saving lives/obtain benefits more quickly;

Books/Training material more accessible;
Easier to train staff on using the system;

Reviews and feedback exist already for the product;
Therefore, the quality of the final product can be known in advance;

Off-the shelf is likely to implement common standards;
Whereas, you would need to program compatibility in a bespoke system/to work with a multitude of devices;

Award [2 max].
Award [1] for any disadvantage up to [2 max].
Modifications are not possible without help of developers;
Source code is not usually available to change;

Compatibility/interfaces with existing systems;
It may not be possible to connect / share data with systems already in use;

Standard operating procedures may need to change;
To fit the software capabilities/functions;

Software may contain unused features;
That is potentially confusing for users;

Software is designed for general requirements;
It may not include features needed by Bangbai;

Award [4 max].
Award [1] for explaining what URL-rewriting is in the context of stateful connection and allow [1] for an example or a comparison with session cookies

URL Rewriting changes the URL to include parameters
e.g. www.bangbai.com?userId=Asdf34e3

Mark as [2] and [2].

Works without cookies/cookies disabled/as an alternative to cookies;
URL re-writing will still work as it embeds the session ID inside the request;

URL Rewriting does not result in anything being saved (e.g. cookies) on the client side;
Therefore, the privacy of the client cannot be compromised (e.g. By searching contents of the cookie folder later);

May work with legacy devices/devices without access to cookies;
That are not able to use cookies/do not have access to an alternative to URL re-writing;

Makes the links more descriptive/readable;
Which will help the developer resolve issues (accept example, such as server identified in URL);
(Note to examiners: descriptive cannot be awarded a second mark if not related to the scenario e.g. search engines is not correct)

Allows the details of the identification of the user to be recorded in log files;
Which will help for future analysis/reviews/data mining;