Network Models
How many layers are in the TCP/IP model
2 protocols found on transport layer
What prevents loops
STP (Spanning Tree Protocol)
Classes of IPv4 addresses
Class A, B, C, D, E
4 bits = what
nibble or hex character
Which network model is internationally accepted
3 types of transport layer ports
What is well-known, registered, ephemeral
Length of a MAC address
48 bits or 12 hexadecimal characters
Which IP does the host auto configure
IPv6
Layer that switches operate on
Layer 2 - data link
The OSI layers
What does TLS provide
encryption, authentication, integrity
3 functions of LAN switching
forward and filter, learning MAC addresses, and loop prevention
What is the IP address: 127.0.0.1
Loopback IP (special purpose address)
What uses ephemeral ports to convert many private IPs to one public IP
PAT (port address translation)
The TCP/IP PDUs
Bits, frame, packets, segments/datagrams, data
3 port security configuration modes
static, dynamic, sticky
What does a VLAN provide
Segmentation, flexibility, security
ICANN (Internet Corporation for Assigned Names and Numbers)
What is the term for adversary spoofing MAC addresses to flood switch
CAM overflow
Common protocols on OSI Layer 7
HTTPS, HTTP, FTP, SSH, Telnet
The purpose, protocol, and port for SNMP
Purpose: enables admin to remotely monitor and manage equipment on the network
Protocol: UDP port 161/162
4 components of 802.1X
client/supplicant, authenticator, RADIUS, identity store/directory
Number of addresses IPv6 can provide
Over 340 trillion trillion trillion
Convert this binary to decimal: F0
240 (0= 0 x 16^0) (F= 15 x 16^1)