Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

NEC > NEC Mod 1 > Flashcards

NEC Mod 1 Flashcards

1
Q

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

A

Hosts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

can be called end devices

A

Hosts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

An example of client software

A

web browser, like Chrome or FireFox

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Identifies the host and the network to which the host is attached.

A

IP address

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Client and server software usually run on separate computers, but it is also possible for one computer to be used for both roles at the same time. In small businesses and homes, many computers function as the servers and clients on the network.

A

peer-to-peer network.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the advantages of peer-to-peer networking:

A

Easy to set up, Less complex, Lower cost because network devices and dedicated servers may not be required, and Can be used for simple tasks such a transferring files and sharing printers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The disadvantages of peer-to-peer networking:

A

No centralized administration, Not as secure, Not scalable, All devices may act as both clients and servers whcih can slow their performance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The network devices that people are most familiar with are called?

A

End devices

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

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

A

End devices

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Connect the individual end devices to the network.

A

Intermediary Devices

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the examples of intermediary devices?

A

Wireless Router, Router, Lan Switch, Multilayer Switch, Firewall appliance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Communication transmits across a network on media. The media provides the channel over which the message travels from source to destination.

A

Network Media

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Data is encoded into electrical impulses.

A

Metal wires within cables

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Data is encoded into pulses of light.

A

Glass or plastic fibers within cables (fiber-optic cable)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Data is encoded via modulation of specific frequencies of electromagnetic waves.

A

Wireless transmission

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the examples of end devices?

A

Desktop computers, Laptop, IP Phone, Printer, Wireless Tablet, Telepresence endpoint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Give the Network Media

A

Wireless, Lan and Wan Media

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

A NIC physically connects the end device to the network.

A

Network Interface Card (NIC)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

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

A

Physical Port

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Specialized ports on a networking device that connect to individual networks. Because routers connect networks, the ports on a router are referred to as network interfaces.

A

Interface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Are mandatory documentation for anyone working with a network. They provide a visual map of how the network is connected.

A

Topology diagrams

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

There are two types of topology diagrams:

A

physical and logical.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Which type of network topology lets you see the actual location of intermediary devices and cable installation?

A

Physical Topology Diagrams

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Which type of network topology lets you see which end devices are connected to which intermediary devices and what media is being used?

A

Logical Topology Diagrams

23
Q

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

A

Small Home Networks

24
Q

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

A

Small Office and Home Office Networks

25
Q

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

A

Medium to Large Networks

26
Q

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

A

World Wide Networks

27
Q

What are the two most common types of network infrastructures?

A

Local Area Networks (LANs) Wide Area Networks (WANs)

28
Q

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

A

LAN

29
Q

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.

A

WAN

30
Q

is a worldwide collection of interconnected networks (internetworks, or internet for short).

A

The Internet

31
Q

What organizations were developed to help maintain the structure and standardization of internet protocols and processes?

A

Internet Engineering Task Force (IETF), Internet Corporation for Assigned Names and Numbers (ICANN), and the Internet Architecture Board (IAB)

32
Q

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

A

Intranet

33
Q

Which network infrastructure might an organization use to provide secure and safe access to individuals who work for a different organization but require access to the organization’s data?

A

Extranet

34
Q

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.

A

Cable

35
Q

Also provide high bandwidth, high availability, and an always-on connection to the internet. _____ 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.

A

DSL

36
Q

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.

A

Cellular

37
Q

The availability of _____________ internet access is a benefit in those areas that would otherwise have no internet connectivity at all.

A

Satellite

38
Q

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.

A

Dial-up Telephone

39
Q

Leased lines 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.

A

Dedicated Leased Line

40
Q

This is sometimes known as Ethernet WAN

A

Metro Ethernet

41
Q

Is available in various formats. A popular choice is Symmetric Digital Subscriber Line (SDSL) which is similar to the consumer version of DSL but provides uploads and downloads at the same high speeds.

A

Business DSL

42
Q

Are capable of delivering data, voice, and video between many different types of devices over the same network infrastructure. This network infrastructure uses the same set of rules, agreements, and implementation standards. Converged data networks carry multiple services on one network.

A

converged networks

43
Q

Having multiple paths to a destination is known as redundancy. This is an example of which characteristic of network architecture?

A

Fault Tolerance

44
Q

When designers follow accepted standards and protocols, which of the four basic characteristics of network architecture is achieved?

A

Scalability

45
Q

With which type of policy, a router can manage the flow of data and voice traffic, giving priority to voice communications if the network experiences congestion?

A

Quality of Service

46
Q

Confidentiality, integrity, and availability are requirements of which of the four basic characteristics of network architecture?

A

Security

47
Q

enables end users the freedom to use personal tools to access information and communicate across a business or campus network. Means any device, with any ownership, used anywhere.

A

BYOD (Bring Your Own Device)

48
Q

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

A

Video Communications

49
Q

Which feature contains options such as Public, Private, Custom and Hybrid

A

Cloud Computing

50
Q

Which feature is being used when connecting a device to the network using an electrical outlet?

A

Powerline

51
Q

Which feature uses the same cellular technology as a smartphone?

A

Wireless Broadband

52
Q

Which attack slows down or crashes equipment and programs?

A

Denial of Service (DoS)

53
Q

Which option creates a secure connection for remote workers?

A

Virtual Private Network (VPN)

54
Q

Which option blocks unauthorized access to your network?

A

Firewall

55
Q

Which option describes a network attack that occurs on the first day that a vulnerability becomes known?

A

Zero-day or Zero-Hour

56
Q

Which option describes malicious code running on user devices?

A

Virus, Worm, Trojan horse

NEC (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions