Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______.

A. added
B. removed
C. rearranged
D. modified
Answer» C. rearranged
2.

In the OSI model, when data is transmitted from device A to device B, the header from A's layer 5 is read by B's _______ layer.

A. physical
B. transport
C. session
D. presentation
Answer» D. presentation
3.

The _______ layer lies between the network layer and the application layer.

A. Physical
B. Data link
C. Transport
D. None of the above
Answer» D. None of the above
4.

The seven-layer _____ model provides guidelines for the development of universally compatible networking protocols.

A. OSI
B. ISO
C. IEEE
D. none of the above
Answer» B. ISO
5.

The physical, data link, and network layers are the ______ support layers.

A. user
B. network
C. both (a) and (b)
D. neither (a) nor (b)
Answer» C. both (a) and (b)
6.

_______ is the protocol suite for the current Internet.

A. TCP/IP
B. NCP
C. UNIX
D. ACM
Answer» B. NCP
7.

Layer 2 lies between the physical layer and the _______ layer.

A. Network
B. Data link
C. Transport
D. None of the above
Answer» B. Data link
8.

As the data packet moves from the upper to the lower layers, headers are _______.

A. Added
B. Removed
C. Rearranged
D. Modified
Answer» B. Removed
9.

The Internet model consists of _______ layers.

A. Three
B. Five
C. Seven
D. Eight
Answer» C. Seven
10.

In OSI model dialogue control and token management are responsibilities of ?

A. Session Layer
B. Network layer
C. Transport layer
D. Data link layer
Answer» B. Network layer
11.

The OSI model consists of _______ layers.

A. three
B. five
C. seven
D. eight
Answer» D. eight
12.

Why was the OSI model developed?

A. Manufacturers disliked the TCP/IP protocol suite
B. The rate of data transfer was increasing exponentially
C. Standards were needed to allow any two systems to communicate
D. None of the above
Answer» D. None of the above
13.

The _______ model shows how the network functions of a computer ought to be organized.

A. CCITT
B. OSI
C. ISO
D. ANSI
Answer» C. ISO
14.

In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______

A. Added
B. Removed
C. Rearranged
D. None of the mentioned
Answer» C. Rearranged
15.

In Internet protocol stack, when data is sent from device A to device B, the 5th layer to receive data at B is

A. Application layer
B. Transport layer
C. Link layer
D. Session layer
Answer» B. Transport layer
16.

As the data packet moves from lower to upper layers, headers are

A. added
B. subtracted
C. rearranged
D. modified
Answer» C. rearranged
17.

This layer present in OSI model addition to layers in TCP/IP layers

A. Application layer
B. Presentation layer
C. Session layer
D. Both b and c
Answer» E.
18.

Suppose your network is connected to another network via a router. Which OSI model layer provides the information necessary to direct data between the twonetworks?

A. Network layer
B. Physical layer
C. Data Link layer
D. Session layer
Answer» B. Physical layer
19.

In OSI model, when data is sent from device A to device B, the 5th layer to recieve data at B is

A. Application layer
B. Transport layer
C. Link layer
D. Session layer
Answer» E.
20.

Accounting Functions are the responsibility of .................

A. Network Layer
B. Data Link Layer
C. Data Layer
D. Transport Layer
Answer» C. Data Layer
21.

Two sides cannot attempt the same operation at the same time. This property is accomplished by ...................

A. Session Layer
B. Transport Layer
C. Physical Layer
D. Network Layer
Answer» B. Transport Layer
22.

Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, email, etc ?

A. Application Layer
B. Transport Layer
C. Internet Layer
D. Hardware Layer
Answer» B. Transport Layer
23.

Number of layers in the OSI model?

A. 5
B. 4
C. 7
D. 8
Answer» D. 8
24.

Which of the following is the Layers of TCP/IP model?

A. Physical, Network, Transport, Application
B. Host to Network, Network, Presentation, Application
C. Host to Network, Internet, Transport, Application
D. Physical, Internet, Session, Application
Answer» D. Physical, Internet, Session, Application
25.

The internetworking protocol is known as

A. SMTP
B. PPP
C. TCP/IP
D. NNTP
Answer» D. NNTP
26.

The operation of subnet is controlled by ...............

A. Network Layer
B. Data Link Layer
C. Data Layer
D. Transport Layer
Answer» B. Data Link Layer
27.

Number of layers in TCP/IP model?

A. 5
B. 4
C. 6
D. 7
Answer» B. 4
28.

Internet Layer in TCP/IP is ...................

A. Connection Oriented
B. Can be Connection Oriented and connection less
C. Connection less
D. Client Server type request
Answer» D. Client Server type request
29.

Presentation Layer is concerned with ................

A. Synchronization
B. Flow Control
C. Syntax and Semantics
D. File Transfer
Answer» D. File Transfer
30.

The processes on each machine that communicate at a given layer are called

A. UDP process
B. Intranet process
C. Server technology
D. Peer-peer process
Answer» E.
31.

Which of the following layer is not network support layer?

A. Transport Layer
B. Network Layers
C. Data link Layer
D. Physical Layer
Answer» B. Network Layers
32.

Which of the functionalities does presentation layer include?

A. Data compression
B. Data description
C. Data encryption
D. All of the above
Answer» E.
33.

Which layers of the OSI model are host-to-host layers?

A. Transport, Session, Persentation, Application
B. Network, Transport, Session, Presentation
C. Datalink, Network, Transport, Session
D. Physical, Datalink, Network, Transport
Answer» B. Network, Transport, Session, Presentation
34.

This OSI layer divides a file into segments that are an efficient size for routing.

A. Session Layer
B. Physical Layer
C. Application Layer
D. Transport layer
Answer» E.
35.

In computer networking, TCP/IP model also known as

A. XYZ model
B. Network model
C. OSI model
D. DOD model
Answer» E.
36.

Which of the following layer does TCP/IP model not have but OSI have this layer?

A. Session layer
B. Presentation layer
C. Application layer
D. Both a and b
Answer» E.
37.

Which of the following layer of OSI model also called end-to-end layer?

A. Presentation layer
B. Network layer
C. Session layer
D. Transport layer
Answer» E.
38.

Transport layer of OSI model lies between Network and ___________ layer.

A. Application
B. Data link
C. Session
D. Presentation
Answer» D. Presentation
39.

Which of the following layer is not part of the OSI layer Model?

A. Internet layer
B. Physical layer
C. Network layer
D. Application layer
Answer» B. Physical layer
40.

The _______ layer coordinates the functions required to transmit a bit stream over a physical medium.

A. transport
B. network
C. data link
D. physical
Answer» E.
41.

The _______ layer is responsible for delivering data units from one station to the next without errors.

A. transport
B. network
C. data link
D. physical
Answer» D. physical
42.

The _________ layer enables the users to access the network.

A. transport
B. application
C. data link
D. physical
Answer» C. data link
43.

When data are transmitted from device A to device B, the header from A's layer 4 is read by B's _______ layer.

A. Physical
B. Transport
C. Application
D. None of the above
Answer» C. Application
44.

The TCP/IP _______ layer is equivalent to the combined session, presentation, and application layers of the OSI model.

A. application
B. network
C. data link
D. physical
Answer» B. network
45.

TCP/IP is a ______ hierarchical protocol suite developed ____ the OSI model.

A. seven-layer; before
B. five-layer; before
C. six-layer; before
D. five-layer; after
Answer» B. five-layer; before
46.

The ______ layer establishes, maintains, and synchronizes the interactions between communicating devices.

A. transport
B. network
C. session
D. physical
Answer» D. physical
47.

The _______ layer ensures interoperability between communicating devices through transformation of data into a mutually agreed upon format.

A. transport
B. network
C. data link
D. presentation
Answer» E.
48.

The ______ layer is responsible for the source-to-destination delivery of a packet across multiple network links.

A. transport
B. network
C. data link
D. physical
Answer» C. data link
49.

The ________ layer is responsible for the process-to-process delivery of the entire message.

A. transport
B. network
C. data link
D. physical
Answer» B. network
50.

The form of data model in which the concepts provided are useful for end users and are also close to the way it is stored in computer system is called

A. representational data models
B. implementation data models
C. clientele data models
D. both a and b
Answer» E.