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Welcome to the Application Layer Protocols MCQs Page

Dive deep into the fascinating world of Application Layer Protocols with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Application Layer Protocols, a crucial aspect of Networking. In this section, you will encounter a diverse range of MCQs that cover various aspects of Application Layer Protocols, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Networking.

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Check out the MCQs below to embark on an enriching journey through Application Layer Protocols. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Networking.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Application Layer Protocols. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Application Layer Protocols MCQs | Page 7 of 23

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Q61.
The commands, from client to server, and replies, from server to client, are sent across the control connection in ____ bit ASCII format.

a.

8

b.

7

c.

3

d.

5

Discuss
Answer: (b).7
Q62.
Find the FTP reply whose message is wrongly matched

a.

331 – Username OK, password required

b.

425 – Can’t open data connection

c.

452 – Error writing file

d.

452 – Can’t open data connection

Discuss
Answer: (d).452 – Can’t open data connection
Q63.
Mode of data transfer in FTP, where all the is left to TCP

a.

Stream mode

b.

Block mode

c.

Compressed mode

d.

None of the above

Discuss
Answer: (a).Stream mode
Q64.
In FTP, the password is sent to the server using _____ command.

a.

PASSWD

b.

PASS

c.

PASSWORD

d.

CODEWD

Discuss
Answer: (b).PASS
Q65.
Simple mail transfer protocol (SMTP) utilizes ____ as the transport layer protocol for electronic mail transfer.

a.

TCP

b.

UDP

c.

DCCP

d.

SCTP

Discuss
Answer: (a).TCP
Q66.
SMTP connections secured by SSL are known as

a.

SMTPS

b.

SSMTP

c.

SNMP

d.

none of the above

Discuss
Answer: (a).SMTPS
Q67.
SMTP uses the TCP port

a.

22

b.

23

c.

24

d.

25

Discuss
Answer: (d).25
Q68.
Which one of the following protocol is used to receive mail messages?

a.

SMTP

b.

post office protocol

c.

internet message access protocol

d.

all of the above

Discuss
Answer: (d).all of the above
Q69.
What is on-demand mail relay (ODMR)?

a.

protocol for SMTP security

b.

an SMTP extension

c.

protocol for web pages

d.

none of the above

Discuss
Answer: (b).an SMTP extension
Q70.
An email client needs to know the ____ of its initial SMTP server.

a.

IP address

b.

MAC address

c.

url

d.

none of the above

Discuss
Answer: (a).IP address
Page 7 of 23

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