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IS3120 NETWORK COMMUNICATIONS INFRASTRUCTURE > IS 3120 CHAPTER 4 > Flashcards

IS 3120 CHAPTER 4 Flashcards

1
Q

IEEE 802.3a Ethernet standard that defines communication at 10 Mbps using thin coaxial cable.

A

10Base2 “Thinnet”

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2
Q

IEEE 802.3 Ethernet standard that defines communication at 10 Mbps using thick coaxial cable

A

10Base5 “Thicknet”

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3
Q

IEEE 802.3i Ethernet standard that defines communication at 10 Mbps using unshielded twisted-pair cable

A

10BaseT

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4
Q

IEEE 802.3u Ethernet standard that defines communication at 10 Mbps using unshielded twist-pair cable

A

100BaseTX

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5
Q

IEEE 802.3ab ethernet standard that defines communication at 10 Mbps using unshielded twisted-pair cable

A

1000Base (GigE)

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6
Q

A topology used to connect several smaller networks to create a larger, segregated network

A

Backbone

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7
Q

A backbone that connects other backbones to create a larger network

A

Campus backbone

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8
Q

A network topology that minimizes traffic flowing between departmental LANs by replacing a bus with one or more central switches

A

Collapsed backbone

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9
Q

The collection of nodes that exchange unfiltered traffic with other nodes

A

Collision domain

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10
Q

A network at the last 100 meters or 300 feet from a wiring closet, where desktops physically connect to the network

A

Edge network

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11
Q

A family of networking technologies that define how computers and devices communicate on a LAN

A

Ethernet

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12
Q

The transmitting node assumes its transmissions will al be successful

A

Optimistic transmission

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13
Q

Network that rely on immediate traffic delivery, such as streaming audio or video

A

Real-time applications

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14
Q

Network communication protocols that guarantee delivery within a specified amount of time

A

Time-sensitive protocols

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15
Q

A group of people and the devices they use to perform related job functions.

A

Workgroup

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16
Q
  1. Early implementations of Ethernet used coaxial cable.

TRUE OR FALSE

A

TRUE

17
Q
  1. What was the original transmission speed of Ethernet under the 802.3 standard?
  2. 2.94 Mbps
  3. 4.77 Mbps
  4. 10 Mbps
  5. 100 Mbps
A

10 Mbps

18
Q
  1. Which of the following devices only extends the maximum distance between two Ethernet nodes (doesn’t provide any other services)?
  2. Router
  3. Bridge
  4. Switch
  5. Repeater
A

Repeater

19
Q
  1. Which of the following network devices separate nodes into separate collision domains?
  2. Hub
  3. Repeater
  4. Switch
  5. Router
A

Switch

20
Q
  1. What node identification does a switch use to forward frames to the correct destination?
  2. Network address
  3. MAC address
  4. Node ID
  5. Protocol ID
A

Node ID

21
Q
  1. Which switching method starts transmitting a frame as soon as it reads the destination address?
  2. Cut-through
  3. Store-and-forward
  4. Trunking
  5. Aggregation
A

Cut-through

22
Q
  1. The original Ethernet standard used a software token to avoid collisions.
    TRUE OR FALSE
A

FALSE

23
Q
  1. Which of the following topologies, along with unshielded twisted-pair cabling, transformed LAN connectivity and make LAN access more accessible?
  2. Ring
  3. Bus
  4. Star
  5. Mesh
A

Star

24
Q
  1. Which simple action does CSMA/CD require to avoid transmitting on a busy channel?
  2. Listen for a clear channel
  3. Wait for a token
  4. Wait for a random amount of time
  5. Listen to the echo of the transmitted message
A

Listen for a clear channel

25
Q
  1. What is the best reason to create a workgroup LAN?
  2. Workgroups are small and require less cabling
  3. The majority of workgroup traffic stays within the workgroup
  4. Most switches can’t handle more ports than the average workgroup size
  5. Hierarchical topologies provide the best performance
A

Most switches can’t handle more ports than the average workgroup size

26
Q
  1. What was the most common topology used in early Ethernet networks?
  2. Ring
  3. Star
  4. Tree
  5. Bus
A

Bus

27
Q
  1. Real time applications benefit from the higher performance of which type of network devices?
  2. Layer 1 hub
  3. Layer 2 switch
  4. Layer 3 router
  5. Layer 4 stateful firewall
A

Layer 2 switch

IS3120 NETWORK COMMUNICATIONS INFRASTRUCTURE (15 decks)

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