Switches and routers (POST) quiz 1

what is the only device that operates at all layers of the OSI model

Network host

The cable used to connect to the console port of a router or switch is called a ____ cable

Rollover

How many broadcast domains are created when you segment a network with a 12-port hub

1

how many collision and broadcast domains are in a 12-port hub

1 collision and 12 broadcast domains

How many collision domains are created when you segment a network with a 12-port switch

12

with respect to the OSI model, which of the following is the correct statement about PDU's

A packet contains MAC addresses

The protocol data unit (PDU) de-encapsulation is completed in what order

Bits, frames, packets, segments, data

What is the connection method used by wired Ethernet

CSMA/CD

What does CSMA/CD stand for

Carrier sense multiple access with collision detection

between which systems would you use a straight through cable

Connection from a host to a switch

what are the 3 layers of Cisco's three-layer model

Core, Distribution, access

what layer was later sub divided into 2 layers

Data link

what is a collection of many separate networks

Internetwork

What situation can you NOT use full duplex

connection from a host to a hub