definitions

Question 1

All computers that are connected to a network and participate directly in network communication are classified as

Answer 1

hosts

Question 2

can be called end devices. Some are also called clients.

Answer 2

hosts

Question 3

specifically refers to devices on the network that are assigned a number for communication purposes

Answer 3

hosts

Question 4

This number identifies the host within a particular network.

Answer 4

Internet Protocol (IP) address

Question 5

identifies the host and the network to which the host is attached

Answer 5

Internet Protocol (IP) address

Question 6

are computers with software that allow them to provide information, like email or web pages, to other end devices on the network

Answer 6

Servers

Question 7

In small businesses and homes, many computers function as the servers and clients on the network.

Answer 7

Peer-to-peer network

Question 8

is either the source or destination of a message transmitted over the network

Answer 8

end device

Question 9

connect the individual end devices to the network

Answer 9

intermediary devices

Question 10

provide connectivity and ensure that data flows across the network

Answer 10

intermediary devices

Question 11

physically connects the end device to the network

Answer 11

Network Interface Card (NIC)

Question 12

A connector or outlet on a networking device where the media connects to an end device or another networking device

Answer 12

Physical Port

Question 13

Specialized ports on a networking device that connect to individual networks.

Answer 13

Interface/Port

Question 14

illustrate the physical location of intermediary devices and cable installation

You can see that the rooms in which these devices are located

Answer 14

physical topology diagrams

Question 15

illustrate devices, ports, and the addressing scheme of the network

You can see which end devices are connected to which intermediary devices and what media is being used

Answer 15

logical topology diagrams

Question 16

means a “network of networks”

Answer 16

internet

Question 17

the largest network in existence

Answer 17

internet

Question 18

collection of interconnected private and public networks

Answer 18

internet

Question 19

connect a few computers to each other and to the internet.

Answer 19

small home networks

Question 20

allows computers in a home office or a remote office to connect to a corporate network, or access centralized, shared resources

Answer 20

Small Office and Home Office (SOHO) Networks

Question 21

such as those used by corporations and schools, can have many locations with hundreds or thousands of interconnected hosts

Answer 21

medium to large networks

Question 22

The internet is a network of networks that connects hundreds of millions of computers world-wide.

Answer 22

World Wide Networks

Question 23

is a network infrastructure that provides access to users and end devices in a small geographical area

Answer 23

LAN (local area networks)

Question 24

is a network infrastructure that provides access to other networks over a wide geographical area, which is typically owned and managed by a larger corporation or a telecommunications service provider

Answer 24

WAN (wide area networks)

Question 25

is a term often used to refer to a private connection of LANs and WANs that belongs to an organization

Answer 25

intranet

Question 26

to provide secure and safe access to individuals who work for a different organization but require access to the organization’s data

Answer 26

extranet

Question 27

Typically offered by cable television service providers, the internet data signal transmits on the same cable that delivers cable television. It provides a high bandwidth, high availability, and an always-on connection to the internet.

Answer 27

cable

Question 28

also provide high bandwidth, high availability, and an always-on connection to the internet. DSL runs over a telephone line. In general, small office and home office users connect using Asymmetrical DSL (ADSL), which means that the download speed is faster than the upload speed.

Answer 28

DSL (digital subscriber lines)

Question 29

Cellular internet access uses a cell phone network to connect. Wherever you can get a cellular signal, you can get cellular internet access. Performance is limited by the capabilities of the phone and the cell tower to which it is connected.

Answer 29

cellular

Question 30

The availability of satellite internet access is a benefit in those areas that would otherwise have no internet connectivity at all. Satellite dishes require a clear line of sight to the satellite.

Answer 30

satellite

Question 31

An inexpensive option that uses any phone line and a modem. The low bandwidth provided by a dial-up modem connection is not sufficient for large data transfer, although it is useful for mobile access while traveling.

Answer 31

dial-up telephone

Question 32

are reserved circuits within the service provider’s network that connect geographically separated offices for private voice and/or data networking. The circuits are rented at a monthly or yearly rate.

Answer 32

dedicated leased line

Question 33

This is sometimes known as Ethernet WAN. extend LAN access technology into the WAN.

Answer 33

metro ethernet

Question 34

can provide a connection when a wired solution is not available.

Answer 34

satellite service

Question 35

is one that limits the number of affected devices during a failure

Answer 35

fault tolerant network

Question 36

Having multiple paths to a destination is known as

Answer 36

redundancy

Question 37

occurs when the demand for bandwidth exceeds the amount available

Answer 37

congestion

Question 38

is measured in the number of bits that can be transmitted in a single second, or bits per second (bps)

Answer 38

network bandwidth

Question 39

means that only the intended and authorized recipients can access and read data.

Answer 39

data confidentiality

Question 40

assures users that the information has not been altered in transmission, from origin to destination.

Answer 40

data integrity

Question 41

assures users of timely and reliable access to data services for authorized users

Answer 41

data availability

Question 42

is an ISP that connects subscribers to a designated access point or hot spot using similar wireless technologies found in home wireless local area networks (WLANs).

Answer 42

Wireless Internet Service Provider (WISP)

Question 43

Which feature is a good conferencing tool to use with others who are located elsewhere in your city, or even in another country?

Answer 43

video communications

Question 44

These contain malicious software or code running on a user device

Answer 44

viruses, worms, trojan horses

Question 45

These are types of software which are installed on a user’s device. The software then secretly collects information about the user.

Answer 45

spyware, adware

Question 46

Also called zero-hour attacks, these occur on the first day that a vulnerability becomes known.

Answer 46

zero-day attacks

Question 47

A malicious person attacks user devices or network resources.

Answer 47

threat actor attacks

Question 48

These attacks slow or crash applications and processes on a network device.

Answer 48

denial of service attacks

Question 49

This attack captures private information from an organization’s network.

Answer 49

Data interception and theft

Question 50

This attack steals the login credentials of a user in order to access private data.

Answer 50

identity theft

Question 51

These applications help to protect end devices from becoming infected with malicious software.

Answer 51

antivirus and antispyware

Question 52

blocks unauthorized access into and out of the network. This may include a host-based firewall system that prevents unauthorized access to the end device, or a basic filtering service on the home router to prevent unauthorized access from the outside world into the network.

Answer 52

firewall filtering

Question 53

These provide more advanced firewall capabilities that can filter large amounts of traffic with more granularity.

Answer 53

dedicated firewall systems

Question 54

These further filter access and traffic forwarding based on IP addresses and applications.

Answer 54

Access control lists (ACL)

Question 55

These identify fast-spreading threats, such as zero-day or zero-hour attacks.

Answer 55

Intrusion prevention systems (IPS)

Question 56

These provide secure access into an organization for remote workers.

Answer 56

Virtual private networks (VPN)

Question 57

Used to configure console, SSH, Telnet, or AUX access.

Answer 57

line configuration mode

Question 58

Used to configure a switch port or router network interface.

Answer 58

interface configuration mode

Question 59

Cisco IOS software separates management access into the following two command modes:

Answer 59

User EXEC and Privileged EXEC mode