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Practice Tests
Question
1
18:00
Which of the following is a Physical Layer standard?
Ethernet (IEEE 802.3)
IP
TCP
FTP
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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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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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The unit of data at the Physical Layer is:
Frame
Packet
Bit
Segment
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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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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 tasks is handled by the Network Layer?
Segment sequencing
Routing packets between networks
Media access control
Session termination
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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 protocol is responsible for reporting errors and diagnostics in the Network Layer?
ICMP
UDP
FTP
TCP
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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 responsibility of the Data Link Layer?
Path determination
Logical addressing
Error detection and correction
End-to-end delivery
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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 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 data unit at the Network Layer?
Bit
Frame
Packet
Segment
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What is the primary function of the Network Layer?
Media access control
Logical addressing and routing
Data encryption
Flow control
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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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What kind of data transmission is handled by the Physical Layer?
Logical addressing
End-to-end encryption
Raw bit stream
Data formatting
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Which of the following is responsible for flow control and acknowledgment of frames?
MAC Sublayer
LLC Sublayer
Transport Layer
Application Layer
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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
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CRC (Cyclic Redundancy Check) is used for:
Address resolution
Error detection in frames
Data encryption
Routing
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