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Worksheets2. NetPro_OSIModel
Total questions: 33
Worksheet time: 17mins
Name
Class
Date
1.
What is the primary role of the Application layer in the OSI model?
a)
Error checking and correction
b)
Formatting data for transmission
c)
Managing network sessions
d)
Enabling communication between network clients and services
2.
Which of the following protocols is typically associated with the Application layer?
a)
TCP
b)
HTTP
c)
ICMP
d)
IP
3.
What is the main purpose of the Presentation layer?
a)
Setting up communication sessions
b)
Formatting data for the Application layer
c)
Translating data between systems and encrypting/decrypting data
d)
Routing packets between networks
4.
What is the function of the Session layer in the OSI model?
a)
Assigning IP addresses to hosts
b)
Managing data streams between client connections
c)
Formatting data for presentation
d)
Error checking and correction
5.
What is a session in the context of the Session layer?
a)
A physical connection between devices
b)
A sequence number assigned to packets
c)
Each client connection for data transfer
d)
An encrypted data envelope
6.
Which of the following is a function of the Transport layer?
a)
Identifying hosts and networks by using logical addresses
b)
Providing encryption and compression for data
c)
End-to-end flow control and segmenting data
d)
Formatting data for the Application layer
7.
What is a data segment in the context of the Transport layer?
a)
A unit of data at the Network layer
b)
A physical connection between devices
c)
An encrypted message envelope
d)
A unit of data at the Transport layer
8.
Which layer is responsible for identifying hosts and networks by using logical addresses?
a)
Data Link
b)
Presentation
c)
Network
d)
Transport
9.
How do routers determine the optimal path for data transmission?
a)
Using physical addresses
b)
Using domain names
c)
Using routing protocols considering factors like link speed and reliability
d)
Using ARP
10.
The Data Link layer defines the rules and procedures for hosts accessing which layer?
a)
Network
b)
Transport
c)
Physical
d)
Presentation
11.
What is the primary function of the LLC (Logical Link Control) sublayer in the Data Link layer?
a)
Controlling hardware devices
b)
Providing flow control for analog streams
c)
Formatting data for presentation
d)
Acting as an interface between the MAC sublayer and the Network layer
12.
The MAC layer is responsible for:
a)
Error checking and correction
b)
Logical addressing using IP addresses
c)
Controlling the hardware and providing flow control
d)
Assigning sequence numbers to packets
13.
Which layer sets standards for sending and receiving electrical signals between devices?
a)
Application
b)
Presentation
c)
Data Link
d)
Physical
14.
What type of data does the Physical layer deal with?
a)
Packets
b)
Frames
c)
Data segments
d)
Bits
15.
Which TCP/IP layer corresponds to the OSI Presentation layer?
a)
Application
b)
Transport
c)
Internetwork
d)
Network
16.
What is the primary function of the Internetwork layer in the TCP/IP model?
a)
Managing network sessions
b)
Breaking data into segments
c)
Moving packets through a network and making routing decisions
d)
Data compression
17.
The TCP/IP Network layer corresponds to which layers in the OSI model?
a)
Application and Presentation
b)
Data Link and Physical
c)
Transport and Network
d)
Presentation and Session
18.
What does OSI stand for in the OSI model?
a)
Open Source Internet
b)
Open Systems Integration
c)
Open Systems Interconnection
d)
Online Systems Interface
19.
How many layers are there in the OSI model?
a)
3
b)
5
c)
7
d)
9
20.
Which layer of the OSI model deals with physical connections like cables and connectors?
a)
Transport Layer
b)
Network Layer
c)
Data Link Layer
d)
Physical Layer
21.
Which OSI layer integrates network functionality into the host operating system?
a)
Network Layer
b)
Transport Layer
c)
Presentation Layer
d)
Application Layer
22.
What is the primary function of the Application layer?
a)
Data segmentation
b)
Formatting data for presentation
c)
Logical addressing
d)
Error checking and correction
23.
Which protocol is associated with the Application layer for web browsing?
a)
FTP
b)
HTTP
c)
ICMP
d)
UDP
24.
Which layer is responsible for translating data between different systems and encrypting/decrypting data?
a)
Network Layer
b)
Session Layer
c)
Presentation Layer
d)
Transport Layer
25.
What does the Session layer manage in the OSI model?
a)
Logical addressing
b)
Physical network devices
c)
Communication sessions
d)
Data segmentation
26.
What does the Transport layer provide in the OSI model?
a)
End-to-end flow control
b)
Logical addressing
c)
Data encryption
d)
Physical connectivity
27.
What is a data segment in the context of the Transport layer?
a)
A unit of data at the Application layer
b)
A frame at the Data Link layer
c)
A unit of data at the Transport layer
d)
An encrypted message envelope
28.
Which layer describes how data is routed across networks and on to the destination?
a)
Data Link Layer
b)
Presentation Layer
c)
Network Layer
d)
Transport Layer
29.
How do routers determine the optimal path for data transmission at the Network layer?
a)
By using physical addresses
b)
By considering link speed and reliability
c)
By using encryption and decryption
d)
By using logical addresses and routing protocols
30.
What is the primary function of the Data Link layer?
a)
Logical addressing
b)
Data translation
c)
Error checking and correction
d)
Physical network device identification
31.
Which sublayer of the Data Link layer is an interface between the MAC sublayer and the Network layer?
a)
LLC (Logical Link Control)
b)
MAC (Media Access Control)
c)
Presentation
d)
Session
32.
What does the Physical layer set standards for in the OSI model?
a)
Logical addressing
b)
Error checking and correction
c)
Sending and receiving electrical signals between devices
d)
Data segmentation
33.
What type of data does the Physical layer primarily deal with?
a)
Frames
b)
Data segments
c)
Packets
d)
Bits
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