_________ balancing is a technique used to route user requests for a specific session to the same server.
- Cluster
- Load
- Round Robin
- Session
Session balancing is a technique used to route user requests for a specific session to the same server, ensuring continuity for the user session.
_________ is a strategy where new instances of the application are launched in different geographic locations to handle traffic.
- Caching
- Geographic Redundancy
- Replication
- Sharding
Geographic Redundancy is a strategy where new instances of the application are launched in different geographic locations to handle traffic and improve availability.
A web application experiences uneven load distribution despite using a load balancer. What could be the reason?
- Database Bottleneck
- Improper Load Balancer Configuration
- Inefficient Frontend Code
- Network Latency
Uneven load distribution may occur due to improper load balancer configuration, where it fails to distribute incoming requests evenly among the server instances.
How is a cookie sent from a client to the server in an HTTP request?
- As a URL parameter
- As a part of the request body
- As a part of the request headers
- As a separate HTTP request
Cookies are sent from a client to the server as a part of the request headers in an HTTP request.
JSP is converted into a servlet for execution, which is known as ______.
- JSP compilation
- JSP execution
- JSP translation
- Servlet initialization
JSP is converted into a servlet during the JSP translation phase, making it ready for execution.
How does redirection differ from request dispatching in servlets?
- Redirection happens on the client side
- Redirection is done by forward()
- Request dispatching involves changing the URL on the client side
- Request dispatching is faster
Redirection in servlets is done using the sendRedirect() method, while request dispatching is done using the forward() method.
_________ tracking involves appending session ID information to every URL.
- Cookie
- Request
- Session
- URL
URL tracking involves appending session ID information to every URL. This method is used to manage sessions in servlets by including the session ID in the URL.
How can you retrieve a servlet's initialization parameters in the init method?
- getInitParameter()
- getParameters()
- getServletConfig()
- getServletContext()
In the init method, you can use getInitParameter() to retrieve a servlet's initialization parameters.
To retrieve all the parameter names sent in a request, you can use the __________ method of the HttpServletRequest object.
- getParameterNames()
- getParameterValues()
- getRequestParameters()
- retrieveParameters()
The getParameterNames() method of the HttpServletRequest object is used to retrieve all the parameter names sent in a request.
Can servlet initialization parameters be changed at runtime?
- It depends on the servlet container
- No
- Only through a filter
- Yes
No, servlet initialization parameters cannot be changed at runtime. They are set during the servlet's initialization and remain constant throughout the servlet's lifecycle.