Cisco Exam 1 Flashcards
Network Media Types
Copper ~ Electricity
Fiber Optic ~ Light
Wireless ~ Frequency
Network Architecture
Fault Tolerance
Quality of Service ~ Prioritizing Certain Traffic
Security
Scalability
Parts of OS
Shell ~ User Interface
Kernel ~ Shell Hardware Communication
Hardware ~ Physical Device
Network Access Methods
Console ~ Physical
SSH ~ Virtual Secure
Telnet ~ Virtual Insecure
Configuring IP Addresses
- Manually
- DHCP ~ Automatically
TCP Layers
Apples Take In New
- Application
- Transport
- Internet
- Network
OSI Layers
Please Do Not Touch Steve’s Pet Alligator
- Physical
- Data Link
- Network
- Transport
- Session
- Presentation
- Application
PDUs
Form data takes while passing through layers
- Physical ~ Bits
- Data Link ~ Frames
- Network ~ Packets
- Application ~ Data
What is Denial Of Service?
Overload of packets
Terminal Emulation Programs
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IP Address sizes
IPv4 ~ 32
IPv6 ~ 128
Network Protocol Requirments
- Encoding ~ Converts info to proper form to be sent
- Format and Encapsulation ~ Type of format used to send info
- Size ~ Message Size
- Timing ~ When message can be sent, rate of transmission, response timeout
- Delivery ~ When message can be delivered
Logical Address
Network Layer IP Address of NIC
Data Link Address
Physical Address of NIC
What happens when devices are on same network
Data Link frame is sent directly