Tentti sisälsi melkein kokonaan kysymyksiä plussan monivalintatehtävistä, tässä ne mitä tentin jälkeen muistin kysyttäneen (ainakin itseltäni):

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 What command merges branches “feature/exercises” and “master”?
git pull feature/exercises -d master
git merge feature/exercises master
git checkout feature/exercises -m master 

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 With what command do you start a new Node.js project in your project directory?
npm init
node init
node start
node npm start 

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 Which Node module the createServer() method is from?
server
http
async
request 

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 Which of the following arguments are correct in case of a local server?
It runs on the host via the loopback network interface.
It is a server which runs on remote server.
You need internet connection to access local files through a local server. 

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 Which of the following servers listen to a localhost?
server1.on(8080, '127.0.0.1');
server2.listen(8000);
server3.initialize(3000, '172.16.254.1'); 

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 Which of the following is valid and well-formed HTML?
<div><p>Some text</div></p>
<p><ul><li>First</li><li>Second</li></ul></p>
<p>Some <span>text</span></p> 

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 <tbody> element…
is used to mark the body part of an HTML document.
is used to group the body content of an HTML table.
must be accompanied by both _<thead>_ and _<tfoot>_. 

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 What three elements can be used for ordered, unordered, and description lists?
<ol>, <li>, <dl>
<ol>, <ul>, <dl>
<numbered>, <unordered>, <definition>
<olist>, <ulist>, <dlist> 

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 Which of the following is valid CSS code?
.nav.main {display: inline-block;}
{"main": {"display": block, "padding": 1em}}
p, li {em {color: deeppink;}}
.container {display: flexbox;} 

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What box-model edge is shown in the picture with green color?
../../_images/box-model.png

Border edge
Padding edge
Content edge
Margin edge 

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 Can JavaScript functions contain functions?
Yes
No 

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 Choose the options where this refers to the global object:
inside of an arrow function
inside of a function in a strict mode
inside of a class constructor 

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const people = [
  {id: 1, firstName: "Adam", lastName: "Smith", age: 16},
  {id: 2, firstName: "Amy", lastName: "Johnson", age: 45},
  {id: 3, firstName: "Barbara", lastName: "Jackson", age: 18},
  {id: 4, firstName: "Bill", lastName: "Norton", age: 12}
];

const people2 = [];
for (let person of people) {
  const newPerson = {
    id: person.id, name: `${person.firstName} ${person.lastName}`
  };
  people2.push(newPerson);
}

An alternative for the for-of loop above could be:
const people2 = people.map(person => { id: person.id, name: `${person.firstName} ${person.lastName}` });
const people2 = people.map(person => ({ id: person.id, name: `${person.firstName} ${person.lastName}` }));
const people2 = people.filter(person => { return { id: person.id, name: `${person.firstName} ${person.lastName}` }; }); 

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 Callbacks are…
the only way to accomplish asynchronicity.
put on the task queue in selected Web API calls (such as events, timeouts).
the basis of continuation-passing style.
one form of closures. 

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 Promise…
has two tracks: success and failure.
has many states: pending, bound, fulfilled, rejected.
Promise.resolve(123) returns a resolved Promise, e.g., 123 in this case.
Promise.reject("mrrr") returns “mrrr”. 

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 async function…
must always include an await statement.
must be used to be able to use await statements.
always returns a Promise. 

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 XSS…
can be blocked by validating user input.
runs in the domain of the malicious website.
cannot alter the page in any way.
cannot read users’ cookies. 

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 Which of the following can be used to mitigate against SQL attacks?
Using fetch
Using parameterized queries
Accepting only JSON in request payloads 

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 Which of the following statements are true about cookies used for managing sessions?
Server can send a Set-Cookie header with the response
Client requests a session cookie with Get-Session-Cookie header in the request
The cookie expires in 24 hours 

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 You have created a LocalStorage at https://tuni.fi. From which URLs is it accessible?
http://tuni.fi
http://localhost
https://tuni.fi
https://localhost 

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 In which situations is SessionStorage cleared?
When localStorage.clear() is called
After 24 hours
When the browser is closed 

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 Analogical concepts in MongoDB and relational DB include
collections and databases
documents and rows
none, since MongoDB can save any JSON file, thus no analogies can be found 

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 Mongoose is ..
ORM modeling tool
one means to make more structure to MongoDB documents with schemas
another NoSQL database like MongoDB 

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 If you would like to explicitly bind an object to this, which is a valid option:
obj.use()
obj.bind()
obj.METHOD()
obj.object() 

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 mocha…
is very robust and all-contained test environment
has a fixed set of assertions and cannot be extended
is complemented with chai 

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