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Network 2 Flashcards

1
Q

What is the IEEE standard for Ethernet

A

802.3

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2
Q

What is a group of tech used to connect networks using media such as twisted pair and fiber optic connections

A

Ethernet

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3
Q

What is the IEE standard for wireless

A

802.11

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4
Q

What is traffic sent from one computer to one other computer

A

Unicast

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5
Q

What is transmitted by one computer and goes to all computers within a sublet

A

Broadcast

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6
Q

What is one to one traffic between two computers on a network not just on a subnet

A

Unicast

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7
Q

What is traffic sent from one computer to all other computers on a subnet

A

Broadcast

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8
Q

Computers are connected within a subnet using

A

Hubs or switches

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9
Q

What does both hubs and switches do

A

Pass broadcast traffic

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10
Q

What is transmitted from one computer to many other computers

A

Multicast

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11
Q

What is one to many traffic on a network

A

Multicast traffic

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12
Q

What happens when a computer joins a multicast group

A

The NIC is internally configured to process traffic using multicast group’s IP address

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13
Q

What is the primary protocol used to transmit and process multicast traffic

A

IGMP

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14
Q

What is a group of devices on the same segment that are subject to collisions

A

Collision domain

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15
Q

What occurs when two devices on the same segment sent traffic are subject to collisions

A

Collisions

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16
Q

What is a group of devices on a network that can receive broadcast traffic from each other

A

Broadcast domain

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17
Q

What connect computers in a network

A

Switches

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18
Q

What passes broadcast traffic to all connections so it does not separate broadcast domains

A

Switches

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19
Q

What connect networks

A

Routers

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20
Q

What do not pass broadcast traffic and creates both separate collision domains and separate broadcast domains

A

Routers

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21
Q

What provide basic connectivity for devices in a network

A

Hubs

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22
Q

What can be physical or logical

A

Ports

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23
Q

What is a physical connection on a network

A

Physical port

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24
Q

What is a number used to identify a protocol or service

A

Logical port

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25
What allows you to create more collision domains, reduce collisions and improve network performance
Switches
26
What connect computer within a network similar to how hub connect the computers
Switches
27
What is a network that connects two or more networks segments together
Bridge
28
VPNs are implemented to provide
A secure connection through public networks
29
If 802.llg internet connection has connectivity problems what may be the cause
Electromagnetic Interference (EMI)
30
Which factors has the biggest impact on data transmission speed in a wireless network
Transmission standard of the equipment used
31
Which of the following uses a tunneling protocol
VPN
32
A network that separates an organization’s private network from a public network
Perimeter
33
Default port for telnet is
23
34
When a clients DHCP issued address expires the client will
Attempt to obtain a new address by broadcasting
35
What is called if the DHCP is unable to communicate with DHCP server from which it obtained its lease and 87.5 percent of its lease time has expired
Rebinding
36
What is IP addressing infor is leased to a client and the client is responsible for renewing the lease
Renewing
37
You ping a server by using fully FQDN and do not receive a response. You then ping the same server by using its IP address and receive a response. Why do you receive a response on the second attempt but not on the first
DNS is not resolving
38
A media Access Control address identifies a
Network Interface Card
39
Two companies want to share data by using the internet. What type of network provides the solution
Extranet
40
A service that resolves NetBIOS names to IP addresses is
WINS-windows internet name service
41
What type of DNS record maps host names to addresses
Host A DNS record
42
Teredo tunneling is a protocol that
Allows IPv6 connectivity through IPv4
43
What is the default subnet mask for a class c Internet network
255.255.255.0
44
What is the default subnet mask for a class b Internet network
255.255.0.0
45
What is the default subnet mask for a class a Internet network
255.0.0.0
46
A computer that has an IP address of 269.254.0.1 cannot access the network. What services should you confirm is available
DHCP
47
What network does the IP address 220.100.100.100 belong too
220.100.100.0/24
48
The ping tool is used to
Self test a host’s own network interface | Determine whatever a host is reachable
49
What features of DHCP
Address reservation | IP address exclusion
50
The command line tool used to list a hosts active incoming connections is
NETSTAT
51
What determines the media a access method that used in a network
Topology and protocols
52
What wireless authentication method provides the highest level of security
WPA - wi - fy protected access
53
What is one reason to incorporate VLANS in a network is to
Reduce the number of nodes in a broadcast domain
54
What layer is the FTP protocol
FTP
55
The top level domain of www.adventureworks.com is
.com
56
What layer in the OSI are hardware addresses referenced
Data link
57
What represents IPv6 loopback address
::1
58
What address is a multicast address
224.0.0.1
59
What’s the range of multicast addresses
224.0.0.0 to 239.255.255.255.255
60
What uses pointer records and A records
DNS Server
61
The ipconfig command will
Display a clients address
62
The host name of the FQDN mail.exchange.corp.nwtraders.com is
Mail

Computer Certifications (8 decks)

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