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Computer Certifications > Network 1 > Flashcards

Network 1 Flashcards

1
Q

What provides clients with IP addresses and other TCP/IP config infor

A

DHCP

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2
Q

What blocks unwanted traffic from the internet

A

Firewall

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3
Q

What have access to the internet and can have either wireless clients, wired clients or both

A

SOHO-Small offices and home offices

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4
Q

What is the primary difference does SOHO have

A

Server to provide additional capabilities

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5
Q

What is an internal network

A

LAN

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6
Q

What is filtered to the internet for security purposes

A

Traffic back and forth

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7
Q

What is a group of networked computers that share a common workgroup name

A

Workgroup

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8
Q

In a Microsoft workgroup all the computers share what

A

The same workgroup

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9
Q

A office that is larger than 10 computers that need a centralized user and computer management is called what

A

Domain configuration

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10
Q

In Microsoft domains the domain controller is called what

A

Active Directory Domain services

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11
Q

What is where a user needs to sign on only once

A

Single sign on

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12
Q

Wha is used in a domain to configure, control, and mange users and computers

A

Group policy

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13
Q

What is used primarily to resolve computer name to IP address

A

DNS

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14
Q

If you have at least two domain controllers the domain data is automatically what

A

Replicated to each domain controller

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15
Q

You can improve performance by adding what to control and limit traffic in different areas

A

Subnet

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16
Q

Many organizations ___ the WAN links they use

A

Lease

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17
Q

What are two primary methods of remote access

A

Dial up

VPN

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18
Q

What provides access to an internal network over public network such as the Internet

A

VPN

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19
Q

A client uses a ___ to connect to a remote access server that also has a modem and a phone line

A

Modem and phone line

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20
Q

What defines internet communications

A

IETF - Internet Engineering Task Force

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21
Q

What is an RFC starts at the PS stage, the first official stage where the standard is introduced. Many standards never progress beyond this level

A

Proposed Standard (PS)

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22
Q

What is the standard has been tested and verified to work as expected

A

Draft Standard (DS)

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23
Q

What is the stage are widely used

A

Standard (STD)

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24
Q

What is single stage alternative to the previous stages and provides specs

A

Best Current Practice (BCP)

25
Q

What defines standard for the World Wide Web

A

WWW - World Wide Web Consortium

26
Q

What is a professional association dedicated to advancing technical innovation

A

IEEE - Institute of Electrical and Electronics Engingineer

27
Q

What is a United Nations agency that includes members from 192 countries

A

ITU - International Telecommunication Union

28
Q

What should be enabled on a computer that has direct connection to the internet

A

Firewall

29
Q

True or false A WAP often provide access to the internet

A

True

30
Q

A group of computers are connected in a single location. What is it called

A

LAN

31
Q

A network is connected using high speed components rated at 1 Gbps. What does the b represent in Gbps

A

Bits

32
Q

Users in the network have to remember an average of five usernames and passwords to access different computers. How can you reduce the number of passwords remembered by users

A

Change it to a domain

33
Q

An employee is able to connect to the employer’s private network over the Internet. What is the employee using

A

VPN

34
Q

What are two types of remote access servers

A

Dial up

VPN

35
Q

True or false: all RFC’s are known as standards

A

False

36
Q

What is a protocol suite used on the internet

A

TCP/IP

37
Q

____ are written and then released to the world for comments

A

RFC

38
Q

What is RFC short for

A

Request for comment

39
Q

A cable that meets the 1000BaseT standard has a max length of

A

100m

40
Q

A router’s static route is set by the

A

Network admin

41
Q

What settings is used to determine the DNS settings on a client computer

A

NSLOOkUL

42
Q

The default subnet mask do a class b network is

A

255.255.0.0

43
Q

You need to divide a network in to three subnet. Which device should you use

A

Router

44
Q

What type of connector used on a 100BaseT Ethernet cable is

A

RJ-45

45
Q

In addition to switching, multilayer switches also

A

Provides layer 3 routing functions

46
Q

One reason to replace an unmanaged switch with a manager switch is to

A

Support multiple VLAS

47
Q

To directly connect the Ethernet network cards of two computers, you should use

A

Crossover cable

48
Q

The function of a router is to

A

Toward traffic to other networks

49
Q

If a router can not determine the next hop for a packet, the router will

A

Forward the packet to the default route

50
Q

In which physical network topology is each computer connected to a central point

A

Star

51
Q

Which two topology are connectivity options for wide area network

A

Dial up

Leased line

52
Q

A private network that allows members of an organization to exchange data is an

A

Intranet

53
Q

Security is a concern on wireless networks due to

A

The radio broadcast access method

54
Q

A characteristic of the mesh topology is that it

A

Uses redundant paths

55
Q

To protect a network when it is connected to the internet, you should use a

A

Firewall

56
Q

One purpose of a perimeter network is to

A

Make resources available to the internet

57
Q

Which protocol can be used to encrypt packets on the internet

A

HTTPS

58
Q

The default port used for SMTP is

A

25

Computer Certifications (8 decks)

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