Explore topic-wise MCQs in Internet of things (IoT).

This section includes 254 Mcqs, each offering curated multiple-choice questions to sharpen your Internet of things (IoT) knowledge and support exam preparation. Choose a topic below to get started.

101.

What is the port number of the FTP ?

A. 25
B. 23
C. 20/21
D. 27960
Answer» D. 27960
102.

The actual mail transfer is done through ____________.

A. UAs
B. MTAs
C. MAAs
D. none of the above
Answer» C. MAAs
103.

When the sender and the receiver of an email are on the same system, we need only ___________.

A. one UA
B. two UAs
C. one UA and one MTA
D. none of the above
Answer» C. one UA and one MTA
104.

In Hypertext transaction, the formats of the request and response messages are

A. Different
B. Similar
C. Constant
D. Active
Answer» C. Constant
105.

In Hypertext Transaction, the term CONNECT is used for

A. Connection Generation
B. Reserved Connection
C. Connection termination
D. Active Connection
Answer» C. Connection termination
106.

The language used for writing active documents is

A. C++
B. Perl
C. java
D. Php
Answer» D. Php
107.

The documents that are created and stored in a server as a Fixed Content are called

A. Static Documents
B. Stateless Document
C. Active Documents
D. Dynamic Documents
Answer» B. Stateless Document
108.

In World Wide Web (WWW), an electronic store (e-commerce) can use a cookie for its

A. Client Shopper
B. Server Usage
C. Server Data
D. Client Data
Answer» B. Server Usage
109.

In WWW and HTTP, a technology that creates and handles dynamic documents is called

A. Common Gateway Interface
B. Common Gateway Integrate
C. Common Gateway IP
D. Common Gateway Internet
Answer» B. Common Gateway Integrate
110.

A program or a script to be run at the client site are called

A. Web Documents
B. HyperLink Documents
C. Static Documents
D. Active Documents
Answer» E.
111.

To use proxy server, the client must be configured to access the proxy instead of the

A. Proxy Server
B. Target Server
C. Domain Server
D. Original Server
Answer» C. Domain Server
112.

The protocol is the client-server program used to retrieve the

A. IP
B. Header
C. Document
D. Cache
Answer» D. Cache
113.

The documents in the WWW can be grouped into three broad categories

A. Static, double, active
B. Stateless, dynamic, archive
C. Static, domain, architecture
D. Static, dynamic, active
Answer» E.
114.

When the sender and the receiver of an e-mail are on the same system, we need only

A. Two user agents
B. One user agent
C. Multiple Agents
D. No Agents
Answer» B. One user agent
115.

The three modes of TELNET implementations are default mode, character mode and

A. Server Mode
B. Line Mode
C. Log Mode
D. IP Mode
Answer» C. Log Mode
116.

In File Transfer Protocol (FTP), the data connection is opened and then closed for each

A. File Opened
B. File Altered
C. File Closed
D. File Transferred
Answer» E.
117.

In the _______ mode, each character typed is sent by the client to the server.

A. default
B. character
C. line
D. none of the above
Answer» C. line
118.

The _______ translates local characters into NVT form.

A. terminal driver
B. TELNET client
C. TELNET server
D. none of the above
Answer» C. TELNET server
119.

The _______ translates NVT characters into a form acceptable by the remote operating system.

A. terminal driver
B. TELNET client
C. TELNET server
D. none of the above
Answer» D. none of the above
120.

Which one of the following protocol delivers/stores mail to receiver server?

A. simple mail transfer protocol
B. post office protocol
C. internet mail access protocol
D. hypertext transfer protocol
Answer» B. post office protocol
121.

The well-known port used for FTP's control connection is

A. Port 6
B. Port 8
C. Port 20
D. Port 21
Answer» E.
122.

A manager is a host that runs the SNMP _______ process.

A. client
B. server
C. both a and b
D. none of the above
Answer» B. server
123.

In File Transfer Protocol (FTP), a user needs an account (user name) and a password on the

A. Same Server
B. Remote Server
C. Central Server
D. Data Host
Answer» C. Central Server
124.

_________ audio/video refers to the use of the Internet for interactive audio/video applications.

A. Interactive
B. Streaming live
C. Streaming stored
D. none of the above
Answer» B. Streaming live
125.

__________ means changing the encoding of a payload to a lower quality to match the bandwidth of the receiving network.

A. Translation
B. Mixing
C. both a and b
D. none of the above
Answer» B. Mixing
126.

TELNET is a general-purpose

A. Client/server application program
B. Database-server application program
C. Client-End application program
D. Server-End application program
Answer» B. Database-server application program
127.

For data, NVT uses US ASCII characters with the highest order bit set to ______.

A. 1
B. 0
C. a or b
D. none of the above
Answer» C. a or b
128.

SNMP uses two other protocols:________ and _________.

A. MIB; SMTP
B. SMI; MIB
C. FTP; SMI
D. none of the above
Answer» C. FTP; SMI
129.

The FTP uses the services of

A. TCP
B. UDP
C. SMTP
D. DDNS
Answer» B. UDP
130.

The Trap PDU is sent from the ______ to the _______ to report an event.

A. server; client
B. client; server
C. network; host
D. none of the above
Answer» B. client; server
131.

In the ____ mode, line editing (echoing, character erasing, line erasing, and so on) is done by the client.

A. default
B. character
C. line
D. none of the above
Answer» D. none of the above
132.

Examples of GUI based user agents are Eudora, netscape and

A. Email
B. Outlook
C. Pine
D. Elm
Answer» C. Pine
133.

In the _______ mode, the echoing is done by the client.

A. default
B. character
C. line
D. none of the above
Answer» B. character
134.

An agent is a host or computer that runs the SNMP _______ process.

A. client
B. server
C. both a and b
D. none of the above
Answer» C. both a and b
135.

SMTP is used to transfer ..............

A. Only text files
B. Only audio files
C. Only video files
D. Only image files
Answer» B. Only audio files
136.

The _______ is software residing on the remote system that allows the remote system to receive characters from a TELNET server.

A. terminal driver
B. pseudoterminal driver
C. TELNET client
D. none of the above
Answer» C. TELNET client
137.

__________ means combining several streams of traffic into one stream.

A. Translation
B. Mixing
C. both a and b
D. none of the above
Answer» C. both a and b
138.

The GetRequest PDU is sent from the _______ to the __________ to retrieve the value of a variable or a set of variables.

A. client; server
B. server; client
C. server; network
D. none of the above
Answer» B. server; client
139.

According to the Nyquist theorem, we need to sample an analog signal ________times the highest frequency.

A. three
B. two
C. four
D. none of the above
Answer» C. four
140.

PPP provides a protocol for bringing lines up, testing them, negotiating options, and bringing them down again gracefully when they are no longer needed. This protocol is known as:

A. LCP
B. NCP
C. TCP
D. VCP
Answer» B. NCP
141.

________ defines the general rules for naming objects, defining object types, and showing how to encode objects and values.

A. MIB
B. BER
C. SMI
D. none of the above
Answer» D. none of the above
142.

What is the port number for (File Transfer Protocol - Control) FTP?

A. 20
B. 21
C. 25
D. 22
Answer» C. 25
143.

SMI emphasizes three attributes to handle an object: _____, ________, and _________.

A. name; data type; size
B. name; size; encoding method
C. name; data type; encoding method
D. none of the above
Answer» D. none of the above
144.

SMI has two broad categories of data type: _______ and _______.

A. simple; complex
B. simple; structured
C. structured; unstructured
D. none of the above
Answer» C. structured; unstructured
145.

For control, NVT uses US ASCII characters with the highest order bit set to ______.

A. 1
B. 0
C. a or b
D. none of the above
Answer» B. 0
146.

For a 1-byte length field, what is the maximum value for the data length?

A. 127
B. 128
C. 255
D. none of the above
Answer» B. 128
147.

Port number for ECHO?

A. 10
B. 7
C. 9
D. 8
Answer» C. 9
148.

SNMP uses the services of UDP on two well-known ports, _______ and _______.

A. 161; 162
B. 160; 161
C. 160; 162
D. none of the above
Answer» B. 160; 161
149.

An Email can have fields like, a number, a sender, size of the message and

A. Optional subject field
B. Flag Field
C. Mode field
D. Both a and b
Answer» E.
150.

The _________ ordering enables a manager to access a set of variables one after another by defining the first variable.

A. lexicographic
B. linear
C. non-linear
D. none of the above
Answer» B. linear