CCNA Flashcards
1
Q
Application Layer
A
- 7th Layer
- Provides a user interface
2
Q
Presentation Layer
A
- 6th Layer
- Presents data
- Handles processing such as encryption
3
Q
Session Layer
A
- 5th Layer
- Keeps different applications’ data separate
4
Q
Transport Layer
A
- 4th Layer
- Provides reliable or unreliable delivery
- Performs error correction before retransmit
5
Q
Network Layer
A
- 3rd Layer
- Provides logical addressing, which routers use for path determination
6
Q
Data Link Layer
A
- 2nd Layer
- Combines packets into bytes and bytes into frames
- Provides access to media using MAC address
- Performs error detection not correction
7
Q
Physical Layer
A
- 1st Layer
- Moves bits between devices
- Specifies voltage, wire speed, and pin-out of cables
8
Q
Application Layer Functions
A
-File, print, message, database, and application services
9
Q
Presentation Layer Functions
A
-Data encryption, compression, and translation services
10
Q
Session Layer Functions
A
-Dialog control
11
Q
Transport Layer Functions
A
-End-to-end connection
12
Q
Network Layer Functions
A
-Routing
13
Q
Data Link Layer Functions
A
-Framing
14
Q
Physical Layer Functions
A
-Physical topology
