JobExams - MCQ Platform

Which of the following correctly orders the OSI model from top to bottom?

Physical, Data Link, Network, Transport, Session, Presentation, Application

Application, Transport, Session, Presentation, Network, Data Link, Physical

Application, Presentation, Session, Transport, Network, Data Link, Physical

Physical, Network, Data Link, Transport, Session, Presentation, Application

The Data Link Layer is divided into two sublayers. What are they?

MAC and LLC

IP and TCP

HTTP and FTP

SMTP and DNS

Which layer is responsible for providing a user interface?

Session Layer

Network Layer

Application Layer

Data Link Layer

CRC (Cyclic Redundancy Check) is used for:

Address resolution

Error detection in frames

Data encryption

Routing

What is the main data unit at the Network Layer?

Bit

Frame

Packet

Segment

Which command can be used to view the current IP configuration of a device?

ipconfig

ifconfig

Both ipconfig and ifconfig

netstat

Which device regenerates signals to extend network range at the Physical Layer?

Bridge

Repeater

Switch

Router

Which of the following protocols helps prevent data collisions on Ethernet networks?

ARP

DNS

CSMA/CD

HTTP

What is the main responsibility of the Transport Layer?

Physical signal transmission

Error correction on frames

Reliable data delivery and flow control

Routing of packets

How many layers are there in the OSI model?

OSI stand for in networking?

Open Source Interconnection

Open System Interconnection

Operating System Interface

Online System Integration

What is the primary purpose of the OSI model?

To increase internet speed

To standardize network communication

To create hardware specifications

To replace TCP/IP model

What type of routing is based on pre-defined paths in routers?

Dynamic Routing

Static Routing

Distance Vector Routing

Link State Routing

What is the main difference between the OSI and TCP/IP models?

OSI has 4 layers and TCP/IP has 7

TCP/IP is theoretical, OSI is practical

OSI is a reference model, TCP/IP is used in real-world networking

Both models are identical

What is the role of the MAC sublayer in the Data Link Layer?

Encrypt data

Provide logical addressing

Control access to the physical medium

Manage sessions between hosts

Which protocol is responsible for reporting errors and diagnostics in the Network Layer?

ICMP

UDP

FTP

TCP

Which type of addressing is used at the Physical Layer?

IP Address

MAC Address

Port Number

No addressing

Which addressing scheme is used at the Network Layer?

Port numbers

MAC addresses

IP addresses

Domain names

Which model is used more practically in real-world networking?

OSI Model

TCP/IP Model

Bluetooth Model

GSM Model

What is the primary function of the Network Layer?

Media access control

Logical addressing and routing

Data encryption

Flow control

Question 1