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
Change fonts and colors to increase productivity
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
What happens when devices are on different networks
Ethernet frame is sent to router/default gateway
How do you name switch
hostname cisco
How do you set password to console for 1 line
Line console 0
password cisco
login
exit
How do you set password to console for all lines
Set password to console for 1 line
line vty 0 15
password cisco
login
exit
Send message to people trying to access switch
banner motd #cisco#
Encrypt all passwords
service password-encryption
enable secret password
enable secret cisco
End Device IP Config
Desktop ~> IP Config
Switch IP Configuration for Switch. What is this also called?
interface vlan 1
ip address (ip) (subnet)
no shutdown
Configuring SVI (Switch Virtual Interface)