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

Which of the following tasks is handled by the Network Layer?

Segment sequencing

Routing packets between networks

Media access control

Session termination

What is the primary function of the Network Layer?

Media access control

Logical addressing and routing

Data encryption

Flow control

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 data unit at the Data Link Layer called?

Packet

Frame

Segment

Bit

Which of the following is NOT a layer in the OSI model?

Transport Layer

Encryption Layer

Presentation Layer

Session Layer

What is the purpose of the ARP protocol in networking?

Converts MAC address to IP address

Converts domain name to IP address

Converts IP address to MAC address

Converts MAC address to hostname

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

MAC and LLC

IP and TCP

HTTP and FTP

SMTP and DNS

OSI stand for in networking?

Open Source Interconnection

Open System Interconnection

Operating System Interface

Online System Integration

What is the primary responsibility of the Data Link Layer?

Path determination

Logical addressing

Error detection and correction

End-to-end delivery

Which addressing scheme is used at the Network Layer?

Port numbers

MAC addresses

IP addresses

Domain names

What is the main data unit at the Network Layer?

Bit

Frame

Packet

Segment

The unit of data at the Physical Layer is:

Frame

Packet

Bit

Segment

Which of the following is a Physical Layer standard?

Ethernet (IEEE 802.3)

TCP

FTP

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

ipconfig

ifconfig

Both ipconfig and ifconfig

netstat

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

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

ARP

DNS

CSMA/CD

HTTP

What is the primary function of the Physical Layer in the OSI Model?

Route data between networks

Convert data to electrical signals

Provide error detection

Encrypt data before transmission

Which of the following is responsible for flow control and acknowledgment of frames?

MAC Sublayer

LLC Sublayer

Transport Layer

Application Layer

Question 1