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Network+ N10-007 > 2.0 Infrastructure > Flashcards

2.0 Infrastructure Flashcards

1
Q

what connector would you use with RS-232?

A

DB-9

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2
Q

what is the maximum recommended speed for CAT 6 cable?

A

10 Gbps

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3
Q

what is the maximum distance of a CAT 5e cable run?

A

100 meters

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4
Q

maximum recommended speed for CAT 5e cable?

A

1000 Mbps

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5
Q

what is the line that marks the point where responsibility for a communication link shifts from a telecommunications company to the customer?

A

Demarc

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6
Q

which WAN protocol uses labels to identify paths?

A

MPLS (multiprotocol label switching)

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7
Q

what WAN media has the highest latency?

A

Satellites

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8
Q

what type of multiplexing does and ISDN PRI use?

A

time division multiplexing

ISDN (integrated services digital network)
PRI (primary rate interface)

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9
Q

what WAN protocol uses virtual circuits over private or semi-private lines?

A

Frame relay

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10
Q

what type of information can be sent over a single broadband line?

A

data, video, and voice

it sends the different types of data on a single line using frequency division multiplexing (FDM)

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11
Q

where is a virtual switch used?

A

in a virtual network

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12
Q

what type of storage does a SAN use?

A

Block-level storage

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13
Q

what is a drawback of a SAN when compared to NAS?

A

It is more expensive and requires more configuration

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14
Q

what type of data storage can be accessed over a traditional TCP/IP network?

A

NAS

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15
Q

what is the MTU of a jumbo frame?

A

Greater than 1,500 bytes but not greater than 9,000 bytes

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16
Q

what will raise an alarm about a network attack, while also stopping it?

A

IPS

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17
Q

what will raise an alarm about a network attack, but not necessarily stop it?

A

IDS

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18
Q

what appliance can filter access to objectionable web sites and improve performance of internet access?

A

Proxy server

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19
Q

what appliance would be used to block access to objectionable web sites?

A

content filter (or proxy server)

some advanced firewalls also include a content filter

20
Q

what appliance would be used to connect two sites together over the internet?

A

VPN concentrator

21
Q

what appliance is used to ensure multiple servers have an equal amount of traffic?

A

load balancer

22
Q

what does a load balancer provide?

A

increased availability and distribution of network requests

23
Q

what device can reduce overall bandwidth usage by serving cached copies of website pages?

A

Proxy server

24
Q

what can RADIUS provide for an 802.11 network?

A

centralized authentication

25
Q

what is used to filter traffic based on IP addresses for a network?

A

Network-based firewall

A stateless firewall filtering traffic based on IP addresses (or ports) is configured in an access control list (ACL)

26
Q

what network device is typically placed on the border of a network?

A

A firewall

27
Q

what type of modem would you use to access the internet via a TV cable?

A

DOCSIS modem

DOCSIS (data over cable service interface specification)

28
Q

what network device is typically used to perform stateful inspection of incoming traffic?

A

A firewall

29
Q

what type of connector is used with coaxial cable?

A

BNC

30
Q

what type of connector is used with a phone line?

A

RJ-11

31
Q

what type of connector is used with RG-6 cable?

A

F-connector

32
Q

what type of connector is used with twisted pair cable?

A

RJ-45

33
Q

what type of connectors are used with fiber?

A

ST, SC, LC, MTRJ

34
Q

what do you use to plug a fiber optic cable into an RJ-45 jack?

A

Media converter (or transceiver)

a small form-factor pluggable (SFP) transceiver is often used on switches

35
Q

what cable type provides the best protection against EMI?

A

Fiber

36
Q

what type of twisted pair cable protects against EMI?

A

STP (shielded twisted pair)

37
Q

what type of cable is used by MMF?

A

Fiber

MMF (multimode fiber)

38
Q

what type of cable would be used for 1000BaseLX?

A

SMF (single mode fiber)

note that the LX indicates longer distances and SMF is used for longer distances

39
Q

what type of cable would be used for 1000BaseSX?

A

MMF

Note that the S in SX indicates shorter distances and MMF is used for shorter runs

40
Q

what type of cable would you use to comply with fire codes when running cables under a raised floor?

A

Plenum-rated

41
Q

what type of fiber connector is round and twists on with a spring-loaded bayonet mount?

A

ST (standard/straight tip)

42
Q

what type of fiber connector is square and snaps on?

A

LC

43
Q

what type of connector would you use to connect to a server’s serial port?

A

DB-9

44
Q

what type of cable would you use to connect a computer’s NIC to a switch?

A

A straight-through cable.

In general, when auto sensing is not available or not enabled, you would use a straight-through cable for the following connections: PC to Switch. Switch to Router

45
Q

what would you use to connect two older switches together?

A

A crossover cable.

an older switch implies that autosensing is not enabled.

when autosensing is not enabled, you would use a crossover cable for the following connections:

Switch to Switch. Router to Router. PC to Router

Network+ N10-007 (5 decks)

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