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Practice Tests
Question
1
18:00
What type of routing is based on pre-defined paths in routers?
Dynamic Routing
Static Routing
Distance Vector Routing
Link State Routing
Next
Which of the following protocols helps prevent data collisions on Ethernet networks?
ARP
DNS
CSMA/CD
HTTP
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Next
How many layers are there in the OSI model?
5
6
7
8
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The unit of data at the Physical Layer is:
Frame
Packet
Bit
Segment
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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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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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Which device regenerates signals to extend network range at the Physical Layer?
Bridge
Repeater
Switch
Router
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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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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 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 primary responsibility of the Data Link Layer?
Path determination
Logical addressing
Error detection and correction
End-to-end delivery
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CRC (Cyclic Redundancy Check) is used for:
Address resolution
Error detection in frames
Data encryption
Routing
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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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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 addressing scheme is used at the Network Layer?
Port numbers
MAC addresses
IP addresses
Domain names
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Which type of addressing is used at the Physical Layer?
IP Address
MAC Address
Port Number
No addressing
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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 of the following is responsible for flow control and acknowledgment of frames?
MAC Sublayer
LLC Sublayer
Transport Layer
Application 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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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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