CSE 3901 FINAL – RAILS
CERTIFICATION SCRIPT 2026
QUESTIONS WITH SOLUTIONS
GRADED A+
◍ request.
Answer: In an Express application, the _________object contains
information about the incoming HTTP request, such as parameters, query
strings, headers, and form data.
◍ response.
Answer: The _____________ object is used to send data (HTML, JSON,
etc.) back to the client, set status codes, and define response headers.
◍ request-response life cycle.
Answer: The _____________ is the fundamental process by which web
applications work. It describes how a user's request is sent to a server and
how the server processes and responds to that request.
◍ .env.
Answer: In a Node.js project, the ____________ file is used to store
environment variables and sensitive configuration data like API keys,
database passwords, and other secrets. It allows developers to keep sensitive
information out of source code and easily configure different settings for
development, testing, and production environments.
◍ a working tree + store + index.
Answer: github: what is a repository?
◍ CommonJS.
Answer: ______________ is the older style of writing JavaScript modules,
, usingrequire()to import dependencies andmodule.exportsto export them.
◍ the project itself.
Answer: github: what is a working tree?
◍ ES Modules.
Answer: _____________ is the newer standard, usingimportandexportsyntax
for handling modules.
◍ hidden directory (.git) in root directory of working tree User never accesses
.git directly Store records project development history.
Answer: github: what is a store?
◍ Root Relative.
Answer: What category does this path example fit into? /css/style.css- Root
Relative: Path that starts from the web server's document root.- Relative
Path: Path relative to the current file/directory location.- Absolute Path:
Complete path that specifies the exact location, either from the filesystem
root or as a full URL.
◍ Root Relative.
Answer: What category does this path example fit into? /api/users- Root
Relative: Path that starts from the web server's document root.- Relative
Path: Path relative to the current file/directory location.- Absolute Path:
Complete path that specifies the exact location, either from the filesystem
root or as a full URL.
◍ DAG of commits Each commit represents a complete snapshot of the entire
project.
Answer: github: what is history?
◍ Root Relative.
Answer: What category does this path example fit into?
/public/uploads/image.jpg- Root Relative: Path that starts from the web
server's document root.- Relative Path: Path relative to the current
file/directory location.- Absolute Path: Complete path that specifies the
exact location, either from the filesystem root or as a full URL.
, ◍ Relative Path.
Answer: What category does this path example fit into? ../images/logo.png-
Root Relative: Path that starts from the web server's document root.-
Relative Path: Path relative to the current file/directory location.- Absolute
Path: Complete path that specifies the exact location, either from the
filesystem root or as a full URL.
◍ Relative Path.
Answer: What category does this path example fit into? ./js/app.js- Root
Relative: Path that starts from the web server's document root.- Relative
Path: Path relative to the current file/directory location.- Absolute Path:
Complete path that specifies the exact location, either from the filesystem
root or as a full URL.
◍ Relative Path.
Answer: What category does this path example fit into? style.css - Root
Relative: Path that starts from the web server's document root.- Relative
Path: Path relative to the current file/directory location.- Absolute Path:
Complete path that specifies the exact location, either from the filesystem
root or as a full URL.
◍ Absolute Path.
Answer: What category does this path example fit
into?/home/user/projects/myapp/server.js- Root Relative: Path that starts
from the web server's document root.- Relative Path: Path relative to the
current file/directory location.- Absolute Path: Complete path that specifies
the exact location, either from the filesystem root or as a full URL.
◍ virtual snapshot stored in .git/index.
Answer: github: what is an index?
◍ a pointer to a commit.
Answer: github: what is a branch?
◍ git branch nameOfBranch.
Answer: github: command to create a new branch
CERTIFICATION SCRIPT 2026
QUESTIONS WITH SOLUTIONS
GRADED A+
◍ request.
Answer: In an Express application, the _________object contains
information about the incoming HTTP request, such as parameters, query
strings, headers, and form data.
◍ response.
Answer: The _____________ object is used to send data (HTML, JSON,
etc.) back to the client, set status codes, and define response headers.
◍ request-response life cycle.
Answer: The _____________ is the fundamental process by which web
applications work. It describes how a user's request is sent to a server and
how the server processes and responds to that request.
◍ .env.
Answer: In a Node.js project, the ____________ file is used to store
environment variables and sensitive configuration data like API keys,
database passwords, and other secrets. It allows developers to keep sensitive
information out of source code and easily configure different settings for
development, testing, and production environments.
◍ a working tree + store + index.
Answer: github: what is a repository?
◍ CommonJS.
Answer: ______________ is the older style of writing JavaScript modules,
, usingrequire()to import dependencies andmodule.exportsto export them.
◍ the project itself.
Answer: github: what is a working tree?
◍ ES Modules.
Answer: _____________ is the newer standard, usingimportandexportsyntax
for handling modules.
◍ hidden directory (.git) in root directory of working tree User never accesses
.git directly Store records project development history.
Answer: github: what is a store?
◍ Root Relative.
Answer: What category does this path example fit into? /css/style.css- Root
Relative: Path that starts from the web server's document root.- Relative
Path: Path relative to the current file/directory location.- Absolute Path:
Complete path that specifies the exact location, either from the filesystem
root or as a full URL.
◍ Root Relative.
Answer: What category does this path example fit into? /api/users- Root
Relative: Path that starts from the web server's document root.- Relative
Path: Path relative to the current file/directory location.- Absolute Path:
Complete path that specifies the exact location, either from the filesystem
root or as a full URL.
◍ DAG of commits Each commit represents a complete snapshot of the entire
project.
Answer: github: what is history?
◍ Root Relative.
Answer: What category does this path example fit into?
/public/uploads/image.jpg- Root Relative: Path that starts from the web
server's document root.- Relative Path: Path relative to the current
file/directory location.- Absolute Path: Complete path that specifies the
exact location, either from the filesystem root or as a full URL.
, ◍ Relative Path.
Answer: What category does this path example fit into? ../images/logo.png-
Root Relative: Path that starts from the web server's document root.-
Relative Path: Path relative to the current file/directory location.- Absolute
Path: Complete path that specifies the exact location, either from the
filesystem root or as a full URL.
◍ Relative Path.
Answer: What category does this path example fit into? ./js/app.js- Root
Relative: Path that starts from the web server's document root.- Relative
Path: Path relative to the current file/directory location.- Absolute Path:
Complete path that specifies the exact location, either from the filesystem
root or as a full URL.
◍ Relative Path.
Answer: What category does this path example fit into? style.css - Root
Relative: Path that starts from the web server's document root.- Relative
Path: Path relative to the current file/directory location.- Absolute Path:
Complete path that specifies the exact location, either from the filesystem
root or as a full URL.
◍ Absolute Path.
Answer: What category does this path example fit
into?/home/user/projects/myapp/server.js- Root Relative: Path that starts
from the web server's document root.- Relative Path: Path relative to the
current file/directory location.- Absolute Path: Complete path that specifies
the exact location, either from the filesystem root or as a full URL.
◍ virtual snapshot stored in .git/index.
Answer: github: what is an index?
◍ a pointer to a commit.
Answer: github: what is a branch?
◍ git branch nameOfBranch.
Answer: github: command to create a new branch
