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CCENT > Essential Terms and Components > Flashcards

Essential Terms and Components Flashcards

1
Q

What is a set of devices, software and cables that enables the exchange of communication between the devices?

A

Networks

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2
Q

What is a computer, server laptop tablet, smartphone or anything that a person uses to access the network?

A

End Device

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3
Q

What are hubs, repeaters, bridges, switches, routers and firewalls?

A

Network Devices

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4
Q

What describes the layout of a network?

A

Topology

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5
Q

What topology is the connection of one device to another?

A

Point-to-Point

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6
Q

What topology has one device that has multiple connections to other hosts?

A

Star

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7
Q

What topology has devices connected in a circle?

A

Ring

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8
Q

What topology uses one coaxial cable and connects multiple devices to it?

A

Bus

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9
Q

What topology uses point-to-point to connect multiple locations to other locations?

A

Mesh

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10
Q

What is a short-range, high-speed networks typically found in schools, offices and homes?

A

Local Area Network (LAN)

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11
Q

What protocol is used to deal with ethernet collisions?

A

CSMA/CD

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12
Q

What is a group of devices that are affected by one another’s collisions?

A

Collision Domain

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13
Q

What means there are no collisions in a network because every segment has only one sender and receiver?

A

Microsegmented

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14
Q

What type of network is used to connected two or more networks?

A

Wide Area Network (WAN)

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15
Q

What type of WAN connection refers to a connection that is installed and provisioned for the exclusive use of the customer?

A

Dedicated Leased-Line Connection

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16
Q

What type of WAN uses a phone company as the service provider?

A

Circuit-Switched Connection

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17
Q

What type of WAN connects you to the provider;s network like a PC connects to a hub.

A

Packet-Switched Connection

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18
Q

What Ethernet implementation is 10Mbs, half duplex, has max range of 500m and thicknet?

A

802.3/10BASE-5

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19
Q

What Ethernet implementation is 10Mbs, half duplex, has max range of 185m and thinnet?

A

802.3/10BASE-2

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20
Q

What Ethernet implementation is 10/100Mbs, half duplex, has max range of 100m and UTP?

A

802.3/10/100-BASE T

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21
Q

What Ethernet implementation is 100Mbs, half/full duplex, has max range of 100m and UTP?

A

802.3u/100-BASE T

22
Q

What Ethernet implementation is 100Mbs, full duplex, has max range of 400m and multimode fiber optic?

A

802.3u/100-BASE FX

23
Q

What Ethernet implementation is 1000Mbs, full duplex, has max range of 100m and UTP?

A

802.3ab/1000-BASE T

24
Q

What Ethernet implementation is 1000Mbs, full duplex, has max range of 400m and single-mode fiber optic?

A

802.3z/1000-BASE ZX

25
Q

What are the 7 layers of the OSI model?

A
  1. Application
  2. Presentation
  3. Session
  4. Transport
  5. Network
  6. Data Link
  7. Physical
26
Q

For TCP, what indicates how many segments can be sent before an ack will be sent?

A

Sliding Window

27
Q

What port and protocol does FTP use?

A

20 and 21; TCP

28
Q

What port and protocol does Telnet use?

A

23; TCP

29
Q

What port and protocol does SMTP use?

A

25; TCP

30
Q

What port and protocol does DNS use?

A

53; TCP and UDP

31
Q

What port and protocol does HTTP use?

A

80; TCP

32
Q

What port and protocol does POP use?

A

110; TCP

33
Q

What port and protocol does NNTP use?

A

119; TCP

34
Q

What port and protocol does HTTPS use?

A

443; TCP

35
Q

What port and protocol does DHCP use?

A

67 and 68; UDP

36
Q

What port and protocol does TFTP use?

A

69; UDP

37
Q

What port and protocol does NTP use?

A

123; UDP

38
Q

What port and protocol does SNMP use?

A

161; UDP

39
Q

What layer 3 protocol uses routable 32-bit addressing?

A

IP

40
Q

What layer 3 protocol incorporates ping and traceroute?

A

ICMP

41
Q

What layer 3 protocol is used to learn MAC address associated to a particular IP address

A

ARP

42
Q

What type of cable is used to connect other devices to a switch or hub?

A

Straight-Through Cable

43
Q

What type of cable is used to connect like devices together and routers to end devices?

A

Crossover Cable

44
Q

What is the default serial port encapsulation protocol?

A

HDLC

45
Q

What show command will display details about routers around you including the IP address?

A

show cdp neighbors detail

46
Q

What protocol has the tools PING and Traceroute?

A

ICMP (Internet Control Message Protocol)

47
Q

What protocol syncs the time settings of network devices?

A

NTP (Network Time Protocol)

48
Q

What protocol monitors network devices for conditions that require admin attention?

A

SNMP (Simple Network Management Protocol)

49
Q

What is the measure of a routes trustworthiness?

A

Administrative Distence

50
Q

What is the variable used to make decisions on which route to take?

A

Metric

51
Q

What is the formula for the OSPF cost metric?

A

100,000,000 / Bandwidth

CCENT (2 decks)

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