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Practice Tests
Question
1
18:00
Which model is used more practically in real-world networking?
OSI Model
TCP/IP Model
Bluetooth Model
GSM Model
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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
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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
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In the OSI model, which layer determines the best logical path for data delivery?
Data Link Layer
Transport Layer
Session Layer
Network Layer
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Which of the following tasks is handled by the Network Layer?
Segment sequencing
Routing packets between networks
Media access control
Session termination
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The unit of data at the Physical Layer is:
Frame
Packet
Bit
Segment
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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
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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
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In OSI, data encapsulation starts from which layer?
Physical Layer
Data Link Layer
Application Layer
Network Layer
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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
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OSI stand for in networking?
Open Source Interconnection
Open System Interconnection
Operating System Interface
Online System Integration
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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
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Which protocol is responsible for reporting errors and diagnostics in the Network Layer?
ICMP
UDP
FTP
TCP
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Which device regenerates signals to extend network range at the Physical Layer?
Bridge
Repeater
Switch
Router
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The Data Link Layer is divided into two sublayers. What are they?
MAC and LLC
IP and TCP
HTTP and FTP
SMTP and DNS
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Which of the following device used at the Physical Layer?
Router
Switch
Hub
Firewall
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Which command can be used to view the current IP configuration of a device?
ipconfig
ifconfig
Both ipconfig and ifconfig
netstat
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Which of the following is a Physical Layer standard?
Ethernet (IEEE 802.3)
IP
TCP
FTP
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Which layer of OSI is concerned with voltage levels, timing, and cable types?
Presentation Layer
Session Layer
Physical Layer
Network Layer
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Modulation and demodulation (as in modems) are part of which OSI layer?
Transport Layer
Data Link Layer
Network Layer
Physical Layer
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