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.

251.

By extracting the 32 rightmost bits from the mapped address, we can Convert

A. IPv6 address to IPv4
B. IPv4 ddress to IPv6
C. IPv4 mapped address
D. None of the above
Answer» B. IPv4 ddress to IPv6
252.

In IPv4, the 4-bit field that defines the total length of the datagram header in 4-byte words is the

A. Version field
B. Header length field
C. Service field
D. Service type field
Answer» C. Service field
253.

To combines the concepts of the strict source route and the loose source route options of IPv4 we use

A. Source Extension
B. Source Headers
C. Source Routing
D. Source host
Answer» D. Source host
254.

RTP stands for

A. Real Time Protocol
B. Real Time Packet
C. Real Transmission Protocol
D. Real Transmission Packet
Answer» B. Real Time Packet
255.

NAT stands for

A. network address transformer
B. network address translator
C. network address translation
D. Both b and c above
Answer» D. Both b and c above
256.

The header of IPv4 datagram is made of

A. One Part
B. Two Parts
C. Three parts
D. Four parts
Answer» C. Three parts
257.

In IPv4, fragmented datagram's fragment size should have the first byte number divisible by

A. 2
B. 4
C. 8
D. 16
Answer» D. 16
258.

CCT stands for

A. Close Circuit Transmission
B. Congestion Controlled Traffic
C. Congestion Controlled Transmission
D. Close Circuit Traffic
Answer» C. Congestion Controlled Transmission
259.

In IPv4 Addresses, each block in classfull addressing has the fixed number of

A. Block
B. Cells
C. Binary Codes
D. Size
Answer» E.
260.

SMI objects are named according to a

A. hierarchical tree structure
B. domain name space structure
C. flat name space structure
D. None
Answer» B. domain name space structure
261.

In IPv4 Addresses, a telephone network has three levels of

A. Codes
B. Hierarchy
C. Ownership
D. Ips
Answer» C. Ownership
262.

Simple Network Management Protocol (SNMP), uses the services of UDP on

A. 2 Well-Known Ports
B. 3 Well-Known Ports
C. 4 Well-Known Ports
D. 5 Well-Known Ports
Answer» B. 3 Well-Known Ports
263.

The full duplex mode increases the capacity of each domain from

A. 10 to 20 mbps
B. 20 to 30 mbps
C. 30 to 40 mbps
D. 40 to 50 mbps
Answer» B. 20 to 30 mbps
264.

What is the default mask for class C in CIDR notation?

A. /24
B. /8
C. /16
D. none of the above
Answer» B. /8
265.

In IPv4, an HLEN value of decimal 10 means _______.

A. there are 10 bytes of options
B. there are 40 bytes of options
C. there are 40 bytes in the header
D. none of the above
Answer» D. none of the above
266.

CIDR stands for

A. Class Interdomain Routing
B. Classful Interdomain Routing
C. Classless Information Routing
D. Classless Interdomain Routing
Answer» B. Classful Interdomain Routing
267.

What is the first address of a block of classless addresses if one of the addresses is 12.2.2.127/28?

A. 12.2.2.0
B. 12.2.2.96
C. 12.2.2.112
D. none of the above
Answer» D. none of the above
268.

Another option which is similar to the strict source route is

A. Light Source Route
B. Basic Source Route
C. Loose Source Route
D. Linear Source Route
Answer» D. Linear Source Route
269.

A link local address of the local addresses is used in an

A. Isolated router
B. Subnets
C. Isolated subnet
D. Supernets
Answer» D. Supernets
270.

In IPv4, parts of the header must be copied by all fragments, if the datagram is

A. Swapped
B. Copied
C. Fragmented
D. Transferred
Answer» D. Transferred
271.

Internet Corporation for Assigned Names and Addresses (ICANN) does not normally allocate addresses to

A. Large organizations
B. Corporate organizations
C. Individual organizations
D. Small organizations
Answer» D. Small organizations
272.

In Internetwork, network layer is responsible for

A. Host to User Link
B. Host to Host Delivery
C. User to Host IP
D. Host to Server communication
Answer» C. User to Host IP
273.

Ethernet protocol has a minimum and maximum restriction on the size of data that can be encapsulated in a frame is

A. 45 to 1200 Bytes
B. 45 to 1400 Bytes
C. 45 to 1450 Bytes
D. 45 to 1500 Bytes
Answer» E.
274.

In IPv6 anycast address, a packet destined is delivered to the

A. Last one
B. Oldest one
C. Nearest one
D. Newest one
Answer» D. Newest one
275.

The router discards the datagram when it is decremented to

A. Negative values
B. Positive values
C. Zero
D. One
Answer» D. One
276.

The field that remains unchanged during the time the IPv4 datagram travels from the source host to the destination host is

A. Destination address
B. Source Address
C. Both a and b
D. None of the abpve
Answer» D. None of the abpve
277.

IPv6 has a larger address space of

A. 2*16
B. 2*128
C. 2*32
D. 2*8
Answer» C. 2*32
278.

SNMP is responsible for creating a message, called a

A. GetRequest message
B. encoded message
C. senders display message
D. All of them
Answer» B. encoded message
279.

The IPv4 header field formerly known as the service type field is now called the _______ field.

A. IETF
B. checksum
C. differentiated services
D. none of the above
Answer» D. none of the above
280.

The IPv4 header size _______.

A. is 20 to 60 bytes long
B. is always 20 bytes long
C. is always 60 bytes long
D. depends on the MTU
Answer» B. is always 20 bytes long
281.

The router of the Network Address Translation (NAT) that connects the network to the global address uses

A. only global address
B. only private address
C. only local address
D. one private address and one global address
Answer» E.
282.

An IGMP packet is carried in an __________ packet.

A. UDP
B. IP
C. Ethernet frame
D. none of the above
Answer» C. Ethernet frame
283.

In IPv6, the _______ field in the base header restricts the lifetime of a datagram.

A. version
B. next-header
C. hop limit
D. neighbor-advertisement
Answer» D. neighbor-advertisement
284.

In Network Management System, a large network is usually made up of hundreds of

A. Domains
B. Protocols
C. Entities
D. IP
Answer» D. IP
285.

In classless addressing, the ______ is another name for the common part of the address range.

A. suffix
B. prefix
C. netid
D. none of the above
Answer» C. netid
286.

IPv6 has the address space of

A. 2^32
B. 2^48
C. 2^128
D. 2^256
Answer» D. 2^256
287.

MTU stands for

A. Minimum Transfer Unit
B. Maximum Transfer Unit
C. Maximum Transport Unit
D. Maximum Transmission Unit
Answer» C. Maximum Transport Unit
288.

The MIB is a collection of groups of objects that can be managed by

A. SMTP
B. UDP
C. SNMP
D. TCP/IP
Answer» D. TCP/IP
289.

In IPv6, the format and the length of the IP address were changed along with the

A. Frame format
B. Packet alignment
C. Frame bits
D. Packet Format
Answer» E.
290.

In classful addressing, the number of blocks in Class D is

A. 2
B. 1
C. 4
D. 6
Answer» C. 4
291.

In IPv6, another example of Congestion-Controlled Traffic is

A. TCP
B. ICMP
C. IPv4
D. UDP
Answer» B. ICMP
292.

DHCP Server provides _____ to the client.

A. Protocol
B. IP Address
C. MAC Address
D. Network Address
Answer» C. MAC Address
293.

______________ allow many devices to share limited address space on a network.

A. Multiple addressing
B. Port addressing
C. Dynamic addressing
D. None of the above
Answer» D. None of the above
294.

What do you mean by broadcasting in Networking?

A. It means addressing a packet to all machine
B. It means addressing a packet to some machine
C. It means addressing a packet to a particular machine
D. It means addressing a packet to except a particular machine
Answer» B. It means addressing a packet to some machine
295.

What is the maximum header size of an IP packet?

A. 32 bytes
B. 64 bytes
C. 30 bytes
D. 60 bytes
Answer» E.
296.

Which of the following is reliable communication protocol?

A. TCP
B. IP
C. UDP
D. All of the above
Answer» B. IP
297.

This is the telecommunication protocol that all computers must use to be part of the Internet.

A. Internet Protocol
B. FTP
C. Border Gateway Protocol
D. DHCP
Answer» B. FTP
298.

This is one of two protocols that let a network administrator supervise and distribute IP addresses from a central point. It automatically sends a new IP address when a computer is plugged into a different place in the network.

A. DHCP
B. TCPMAN
C. TCP
D. UDP
Answer» B. TCPMAN
299.

This is an Internet Protocol (IP)-based storage networking standard for linking data storage facilities that can be used over existing Ethernet networks.

A. NAT
B. RAID
C. iSCSI
D. NIC
Answer» D. NIC
300.

What is the use of Ping command?

A. To test a device on the network is reachable
B. To test a hard disk fault
C. To test a bug in a Application
D. To test a Pinter Quality
Answer» B. To test a hard disk fault