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

This section includes 301 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.

1.

In NAT, the range of addresses for private networks from 10.0.0.0 to 10.255.255.255 makes a total of

A. 2^24
B. 2^25
C. 2^26
D. 2^28
Answer» B. 2^25
2.

In IPv4 addressing, a block of addresses can be defined as

A. f.g.h.i.tln
B. c.d.e.f.tln
C. a.b.c.tln
D. x.y.z.tln
Answer» E.
3.

In classful addressing, a large part of the available addresses are

A. Dispersed
B. Blocked
C. Wasted
D. Reserved
Answer» D. Reserved
4.

In IPv6, each packet is composed of a mandatory base header followed by the

A. Data Header
B. Payload
C. Off load
D. Type
Answer» C. Off load
5.

The dotted-decimal notation is used to make an IPv4 address more compact and easier to

A. Communication
B. Understand
C. Read
D. none of the given
Answer» D. none of the given
6.

In multicast address of IPv6, the value of the prefix is

A. 11111111
B. 11110000
C. 10101010
D. 1111
Answer» B. 11110000
7.

A sender can choose a route so that its datagram does not travel through

A. Competitor's Network
B. Stations
C. Backbone Link
D. Competitor's Router
Answer» B. Stations
8.

Datagram network uses the universal addresses defined in the network layer to route packets from the source to the

A. Same source
B. Layers
C. Destination
D. Application
Answer» D. Application
9.

The Configuration management can be divided into two subsystems which are

A. Reconfiguration and documentation
B. Management and configuration
C. Documentation and dialing up
D. both a and c
Answer» B. Management and configuration
10.

In the IPv4 layer, the datagrams are the

A. Frames
B. Addresses
C. Protocol
D. Packets
Answer» E.
11.

An IPv4 address uniquely and universally defines the connection of a device to the

A. Media
B. Internet
C. Monitoring devices
D. User
Answer» C. Monitoring devices
12.

The value of the checksum must be recalculated regardless of

A. De-fragmentation
B. Fragmentation
C. Transfer
D. Size
Answer» C. Transfer
13.

A system with 8-bit addresses has address space of

A. 32
B. 256
C. 720
D. 65535
Answer» C. 720
14.

ICANN stands for

A. Internet Corporation for Assigned Names and Addresses
B. International Corporation for Assigned Names and Addresses
C. Internet Cells for Assigning Names and Addresses
D. Internet Corporation for Assigning Nodes and Addresses
Answer» B. International Corporation for Assigned Names and Addresses
15.

In IPv6 Addresses, the field of the prefixes for provider-based unicast address that defines the identity of the node connected to a subnet is called

A. Subnet identifier
B. Provider identifier
C. Subscriber Identifier
D. Node identifier
Answer» E.
16.

An IPv6 address of the Internet consists of

A. 16 bytes
B. 12 bytes
C. 32 bytes
D. 48 bytes
Answer» B. 12 bytes
17.

A connectionless communication of the Internet is established at

A. Data Link Layer
B. Network Layer
C. Physical Layer
D. Transport Layer
Answer» C. Physical Layer
18.

The header of the IPv4 packet changes with each

A. Visited Data
B. Visited Address
C. Visited Router
D. Visited Header
Answer» D. Visited Header
19.

In classfull addressing, the smaller networks are called

A. Supernet
B. linear net
C. Subnet
D. Multinet
Answer» D. Multinet
20.

While transmission of packets over Internet, when all the packets have been delivered, the connection is

A. Static
B. Established
C. Terminated
D. On-Pause
Answer» C. Terminated
21.

The initial value of checksum is

A. -1
B. 2
C. 1
D. 0
Answer» E.
22.

In classless addressing the size of the block, varies based on the nature and size of the

A. Routers
B. Mask
C. Entity
D. Data
Answer» D. Data
23.

In IPv4, formula for Length of data =

A. Length + header
B. Total length - header length
C. total length - footer length
D. length + footer
Answer» C. total length - footer length
24.

The first fragment has an offset field value of

A. 10
B. 5
C. 2
D. 0
Answer» E.
25.

In hexadecimal colon notation, the address consists of 32 hexadecimal digits with every four digits separated by a

A. dot
B. semicolon
C. coma
D. colon
Answer» E.
26.

Each number in dotted-decimal notation is a value ranging from

A. 0 to 32
B. 0 to 255
C. 0 to 525
D. 0 to 680
Answer» C. 0 to 525
27.

Based on the predefined policy of Network management, controlling access to the network is the task of

A. Fault Management
B. Performance Management
C. Active Management
D. Security Management
Answer» E.
28.

The packet is fragmented in the network layer, if the packet is

A. Too Small
B. Too Large
C. Too busy
D. Null
Answer» C. Too busy
29.

In IPv6, the header checksum is eliminated because the checksum is provided by

A. Lower Layer
B. Session layer
C. Upper Layer
D. All of the above
Answer» D. All of the above
30.

Hardware documentation normally involves two sets of

A. Reconciliation
B. Documentation
C. Restoration
D. Reconfiguration
Answer» C. Restoration
31.

A sequence of packets with same source and destination addresses can be sent one after another, shows the

A. Relationship Between Packets
B. Independency of packets
C. Origin of the Packets
D. All of the above
Answer» B. Independency of packets
32.

The flag field that does fragmentation of IPv4 segment is the

A. 1 bit field
B. 2 bit field
C. 3 bit field
D. 4 bit field
Answer» D. 4 bit field
33.

The size of the IPv4 datagram may increase, as the underlying technologies allows

A. Greater bandwidth
B. Fixed bandwidth
C. Reserved bandwidth
D. Greater Header
Answer» B. Fixed bandwidth
34.

Network addresses are the very important concepts of

A. Routing
B. Mask
C. IP Addressing
D. Classless Addressing
Answer» D. Classless Addressing
35.

A reactive fault management system is responsible for

A. Detecting and Isolating
B. Correcting, and Recording
C. Security and Recording
D. Both a and b
Answer» E.
36.

In IPv6, the base header can be followed by, up to

A. Six Extension Layers
B. Six Extension Headers
C. Eight Extension headers
D. Eight Extension layers
Answer» C. Eight Extension headers
37.

The first address in a block is used as the network address that represents the

A. Class Network
B. Entity
C. Organization
D. DataCodes
Answer» D. DataCodes
38.

In using One IP address for the Network Address Translation, then the translation table has

A. one column
B. two columns
C. three columns
D. four columns
Answer» C. three columns
39.

In an IPv6 datagram, the M bit is 0, the value of HLEN is 5, the value of total length is 200 and the offset value is

A. 400
B. 350
C. 300
D. 200
Answer» E.
40.

In its simplest form, a flow label can be used to speed up the processing of a packet by a

A. Packet Switch
B. Router
C. Data Switch
D. Protocol
Answer» C. Data Switch
41.

Port number for (Simple Network Management Protocol) SNMP?

A. 161
B. 149
C. 144
D. 150
Answer» B. 149
42.

In IPv4, two devices on the Internet can never have the

A. Different address
B. Same address
C. Unknown address
D. Fixed address
Answer» C. Unknown address
43.

The Simple Network Management Protocol (SNMP), uses the concept of manager and

A. Host
B. Server
C. Agent
D. Query
Answer» D. Query
44.

In an IPv4 packet, the value of HLEN is

A. 7
B. 6
C. 5
D. 4
Answer» D. 4
45.

In IPv4, the checksum covers only the

A. Header
B. Layers
C. Datagrams
D. Fragmentation
Answer» B. Layers
46.

The network layer was designed to solve the problem of delivery through

A. Single Link
B. Multilevel Link
C. Several Link
D. Unicast Link
Answer» D. Unicast Link
47.

To represent the IPv4 address, there are

A. two notations
B. three notations
C. four notations
D. five notations
Answer» B. three notations
48.

In classless addressing, there are no classes but the addresses are still granted in

A. Sections
B. Blocks
C. Codes
D. All of the Above
Answer» C. Codes
49.

In IPv4 protocol, each datagram is handled

A. Independently
B. dependently
C. Priority basis
D. Systematically
Answer» B. dependently
50.

A switch can allow fast handling of the

A. Tokens
B. Frames
C. Packets
D. Slots
Answer» D. Slots