my ccna

device responsible for forwarding data packets along networks

data link layer devices that enable multiple physical LAN segments to be interconnected

routing takes place at what layer

switching takes place at what layer

what are the four basic components of a network

what is the first half of a mac address

what is the second half of a mac address

what does Arp resolution do

a big LAN may be segmented into smller ones through ____________?

what are the two major types of networks

each computer in a __________ network can share and use resources like printers and files

a ________ topology has all connections terminating into a centralized concentrator

a switch has all devices centrally connect to a device that will record its ______________ after the flooding stage

what are the two types of switching mechanism

each switch port provides a dedicated full speed _________________ segment

what is layer 7

what is layer 6

what is layer 5

what is layer 4

what is layer 3

what is layer 2

what is layer 1

which layer is responsible for identifying and establishing the availability of desired communication partners and verifying sufficient resources exist for communication

HTTP (80), SMTP (25), and FTP (21) work at which layer

what is the common port number for HTTP

what is the common port number for SMTP

what is the common port number for FTP

what is the common port number for TELNET

what is the common port number for SSH

The port numbers in the range from 0 to 1023 are the __________ ports

List of TCP and UDP port numbers