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Question
1
18:00
Which addressing scheme is used at the Network Layer?
Port numbers
MAC addresses
IP addresses
Domain names
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Which of the following is a protocol used at the Data Link Layer?
IP
TCP
ARP
PPP
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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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Which layer is responsible for providing a user interface?
Session Layer
Network Layer
Application Layer
Data Link Layer
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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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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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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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What is the primary responsibility of the Data Link Layer?
Path determination
Logical addressing
Error detection and correction
End-to-end delivery
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Which of the following is NOT a layer in the OSI model?
Transport Layer
Encryption Layer
Presentation Layer
Session Layer
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Which device regenerates signals to extend network range at the Physical Layer?
Bridge
Repeater
Switch
Router
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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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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 device operates at the Network Layer?
Hub
Switch
Router
Bridge
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Which of the following device used at the Physical Layer?
Router
Switch
Hub
Firewall
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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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What is the data unit at the Data Link Layer called?
Packet
Frame
Segment
Bit
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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 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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Which of the following protocols helps prevent data collisions on Ethernet networks?
ARP
DNS
CSMA/CD
HTTP
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Next
Which type of addressing is used at the Physical Layer?
IP Address
MAC Address
Port Number
No addressing
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