Physical Layer MCQs

10 MCQs — Computer Networks MCQs

Practice Physical Layer MCQs with correct answers and explanations. These questions are from the Computer Networks MCQs section.

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Computer Networks Subcategories

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Analyzing Subnet Mask	Application Layer
Aptitude Test	Atm Frame Relay
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Network Topology Set 3	Network Utilities
Online Quiz	Online Test
Ospf	Packet Circuit Switching
Physical Layer	Physical Media
Port	Public Key Cryptography
Quiz	Reference Models
Reliable Data Transfer	Remote Network Monitoring
Ripv1	Rmon1
Routers Functionalities Basics	Rpc
Rtp	Security
Security Management	Smtp
Snmp	Snmp Operations
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Test	Topology
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Web Caching	Wimax
Wireless Lan	World Wide Web

The physical layer is concerned with ___________

A. Bit-by-bit delivery
B. Process to process delivery
C. Application to application delivery
D. Port to port delivery

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Which transmission media provides the highest transmission speed in a network?

A. Coaxial cable
B. Twisted pair cable
C. Optical fiber
D. Electrical cable

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Bits can be sent over guided and unguided media as analog signal by ___________

A. Digital modulation
B. Amplitude modulation
C. Frequency modulation
D. Phase modulation

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The portion of physical layer that interfaces with the media access control sublayer is called ___________

A. Physical signalling sublayer
B. Physical data sublayer
C. Physical address sublayer
D. Physical transport sublayer

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The physical layer provides __________

A. Mechanical specifications of electrical connectors and cables
B. Electrical specification of transmission line signal level
C. Specification for ir over optical fiber
D. All of the mentioned

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In asynchronous serial communication the physical layer provides ___________

A. Start and stop signalling
B. Flow control
C. Both start & stop signalling and flow control
D. Only start signalling

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The physical layer is responsible for __________

A. Line coding
B. Channel coding
C. Modulation
D. All of the mentioned

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The physical layer translates logical communication requests from the ______ into hardware specific operations.

A. Data link layer
B. Network layer
C. Trasnport layer
D. Application layer

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A single channel is shared by multiple signals by ____________

A. Analog modulation
B. Digital modulation
C. Multiplexing
D. Phase modulation