Chapter 1
a network infrastructure that provides access to other networks over a large geographic area
What is a WAN?
provides security to remote sessions by encrypting messages and using user authentication
What is SSH?
type of delivery uses data link layer addresses
What is local delivery?
What type of cable is used to connect a workstation serial port to a Cisco router console port?
What is a rollover or console cable?
It sends the frame to all ports except the port on which it received the frame.
What is a switch broadcast?
It is an organization that enables individuals and businesses to connect to the Internet.
What is an ISP?
IOS commands may be partially entered and then completed by typing which key or key combination?
What is the tab key?
A logical address is used for delivery of data to a remote network?
What is destination IP address?
full duplex
What is a method of data transfer allows information to be sent and received at the same time?
FF-FF-FF-FF-FF
What is a broadcast address used at Layer 2?
A single network that delivers voice, video, and data to a variety of devices.
What is a converged network?
(config)# service password-encryption
What command will prevent all unencrypted passwords from displaying in plain text in a configuration file?
At which layer of the OSI model would a physical address be encapsulated?
What is the data link layer -Layer 2?
transmitting bits across the local media
What is the purpose of the OSI physical layer?
Frame less than 64 bytes
What is a runt?
suitable for modular devices that allow for expansion
What is a scalable network?
Which device acts as a gateway to allow hosts to send traffic to remote IP networks?
What is a local router?
protocol data unit
What is the general term that is used to describe a piece of data at any layer of a networking model?
In fiber optic media, the signals are represented as patterns of ....
What is light patterns?
OSI model sublayer is responsible for communicating directly with the physical layer.
What is the MAC sublayer of Layer 2.
provides flexibility in where and how users can access network resources
What is BYOD?
The component of the operating software that provides the user interface is called the
What is the shell?
The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.
What is an incorrect or missing default gateway address?
greater distances per cable run, faster speeds, backbones
What is fiber cabling for interconnecting buildings?
resolve IPv4 addresses to MAC addresses
What is ARP?