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Free Practice Quiz Question List

6 Application Protocols and Network Services Online Quiz Questions

Use this free practice quiz with 20 questions to review 6 Application Protocols and Network Services, test your knowledge, and prepare for your next test or exam.

20 questions
01
Choose one
1 point

A client sends an HTTP request for a web resource. What does the server typically send in response?

  1. A

    A DNS resource record and a time to live

  2. B

    A status code and often requested content

  3. C

    A new email relay and its mailbox folders

  4. D

    A remote login password and logical channel

02
True or false
1 point

True or false: RDP can let a client interact with applications running on a remote Windows system by providing remote display and input.

  1. A

    True

  2. B

    False

03
Written response
1 point

Which protocol transfers outgoing email from a mail client to a submission server?

04
Fill in the blank
1 point

A browser can send a request to retrieve a web page.

05
Choose one
1 point

A device's DNS resolver does not have a requested name in its cache. What is the appropriate next step in the lookup process?

  1. A

    It treats the domain name as an email message and sends it with SMTP.

  2. B

    It assumes the domain has no network services and stops.

  3. C

    It consults DNS servers recursively until it gets a result or an error.

  4. D

    It uses HTTP to ask the destination website for its IP address.

06
Fill in the blank
1 point

In DNS, a record for an alias is a record, while a record for an IPv6 address is an record.

07
Written response
1 point

What abbreviation names the DNS record property that limits how long the record may be cached?

08
True or false
1 point

True or false: Because a website uses HTTPS, its content is necessarily trustworthy and safe.

  1. A

    True

  2. B

    False

09
Choose all
1 point

Select all statements that correctly describe email protocol roles.

  1. A

    SMTP transfers outgoing email between mail systems.

  2. B

    IMAP is used only to resolve domain names before an email is sent.

  3. C

    IMAP lets clients access and manage server-stored messages and folders.

  4. D

    SMTP is the protocol used to interact with remote Windows applications.

10
Choose one
1 point

A mail system needs to identify the mail-exchange server for a recipient's domain. Which DNS record type should it check?

  1. A

    AAAA

  2. B

    MX

  3. C

    CNAME

  4. D

    A

11
Choose all
1 point

Select all measures recommended for reducing the risks of remote access.

  1. A

    Require strong authentication.

  2. B

    Restrict access to authorized users and networks.

  3. C

    Assume encryption makes weak passwords safe.

  4. D

    Keep remote-access software updated.

12
Open ended
1 point

A user is setting up a mail app to send new messages and access the inbox from a device. Explain which protocols can be used for sending and inbox access, and how to protect those connections.

13
Choose one
1 point

What is true of HTTP/1.1, HTTP/2, and HTTP/3?

  1. A

    They use identical message-transport mechanisms and different request meanings.

  2. B

    They are separate DNS record types for different address families.

  3. C

    They use different message-transport mechanisms while sharing core HTTP semantics.

  4. D

    They differ only in whether they can send email.

14
Choose one
1 point

A mail system needs to determine which server should receive a message for a recipient’s domain. Which DNS record type should it check?

  1. A

    A records

  2. B

    MX records

  3. C

    CNAME records

  4. D

    AAAA records

15
Written response
1 point

A mail app submits a newly composed message to its outgoing mail server. Which protocol does it use?

16
Choose one
1 point

A web application needs to send information entered by a user to its server. Which HTTP method best fits this task?

  1. A

    GET

  2. B

    CNAME

  3. C

    POST

  4. D

    MX

17
Written response
1 point

Which DNS record type identifies an alias for another domain name?

18
True or false
1 point

True or false: Because a website uses HTTPS, the website is trustworthy and its content is safe.

  1. A

    True

  2. B

    False

19
Choose one
1 point

Which protocol lets a client access and manage server-stored email messages and folders while supporting synchronization across devices?

  1. A

    SMTP transfers outgoing email between mail systems.

  2. B

    IMAP lets clients access and manage server-stored messages and folders, supporting synchronization across devices.

  3. C

    DNS resolves domain names into information used to locate network services.

  4. D

    POP3 lets clients retrieve messages from a mail server.

20
Choose one
1 point

Which protocol provides remote display and input so a client can interact with applications running on a remote Windows system?

  1. A

    DNS resolves domain names into network-service information.

  2. B

    IMAP lets clients access and manage server-stored email messages and folders.

  3. C

    RDP lets a client interact with applications running on a remote Windows system through remote display and input.

  4. D

    SSH provides secure remote login and can support other secure services.