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Networking Fundamentals Flashcards
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1
Question
What does BAN stand for in network categories?
Answer
Body Area Network
2
Question
What is the scope of a LAN in network classification?
Answer
Local Area Network within a building
3
Question
What area does a CAN cover?
Answer
Campus Area Network across a campus
4
Question
What is the geographical extent of a MAN?
Answer
Metropolitan Area Network within a city
5
Question
What does WAN encompass in terms of distance?
Answer
Wide Area Network globally
6
Question
How are network categories classified based on distance?
Answer
By maximum distance among nodes: BAN, LAN, CAN, MAN, WAN
7
Question
What is a mesh topology?
Answer
Each node connected to several others, forming dense interconnections
8
Question
Describe a star topology.
Answer
All nodes connected to a central hub or switch
9
Question
What characterizes a bus topology?
Answer
All nodes connected to a single cable or bus
10
Question
How is a ring topology structured?
Answer
Nodes connected in a closed loop
11
Question
What does a tree topology resemble?
Answer
Hierarchical structure with branches and sub-branches
12
Question
What is a hybrid topology?
Answer
Combines elements of different topologies, like star and ring
13
Question
How many layers does the OSI model have?
Answer
Seven layers
14
Question
What is the top layer of the OSI model?
Answer
Application layer (Layer 7)
15
Question
Which OSI layer is responsible for data representation?
Answer
Presentation layer (Layer 6)
16
Question
What does the Session layer (Layer 5) manage?
Answer
Session management between applications
17
Question
Which OSI layer ensures end-to-end delivery?
Answer
Transport layer (Layer 4)
18
Question
What is the role of the Network layer (Layer 3)?
Answer
Routing and logical addressing
19
Question
Which layer handles framing and physical addressing?
Answer
Data Link layer (Layer 2)
20
Question
What is the bottom layer of the OSI model?
Answer
Physical layer (Layer 1)
21
Question
What are the five main functionalities of the Data Link layer?
Answer
Addressing, Framing, Error control, Flow control, Access control
22
Question
What does addressing in the Data Link layer involve?
Answer
Assigning physical addresses to frames
23
Question
What is framing in the Data Link layer?
Answer
Encapsulating data into frames with headers and trailers
24
Question
How does the Data Link layer handle error control?
Answer
Detecting and correcting transmission errors
25
Question
What is flow control in the Data Link layer?
Answer
Regulating data transmission rate between sender and receiver
26
Question
What does access control in the Data Link layer manage?
Answer
Determining which device has control over the shared medium
27
Question
What is encapsulation in networking?
Answer
Adding headers (and trailers) to data at each layer
28
Question
What is decapsulation?
Answer
Removing headers (and trailers) at each receiving layer
29
Question
In encapsulation, what does H7 represent?
Answer
Header added by the Application layer
30
Question
What role does the Transport layer header (H4) play?
Answer
Provides end-to-end addressing and reliability