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Prelim ng Third Year > Wag Ka Manigaw > Flashcards

Wag Ka Manigaw Flashcards

1
Q

An application hands off a chunk of data to the TCP library, which un turn make calls to the IP library, which in turn call the LAN layer for actual delivery.

A

Layers

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2
Q

It is a group of applications requiring network communication.

A

INTERNET MODEL/ LAYER
Application Layer

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3
Q

It establishes the connection between application on different hosts.

A

INTERNET MODEL/ LAYER
Transport Layer

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4
Q

It is responsible for creating the packets that move across the network.

A

INTERNET MODEL/ LAYER
Network Layer

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5
Q

It is responsible for creating the frames that move across the network.

A

INTERNET MODEL/ LAYER
Data Link Layer

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6
Q

It is the transceiver that that drives the signal on the network.

A

INTERNET MODEL/ LAYER
Physical Layer

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7
Q

The speed at which data is transferred within the computer or between a peripheral device and the computer, measured in bytes per second.

A

Data Rate

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8
Q

It is the amount of data moved successfully from one place to another in a given time period.

A

Throughput

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9
Q

It refers to the theoretical rate speed of that data on your network can travel.

A

Bandwidth

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10
Q

Are modest-sized buffers of data, transmitted as a unit through some shared set of links.

A

Packets

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11
Q

It contains instructions about the data carried by the packet.

A

Header

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12
Q

It is the actual data recieve by the destination system.

A

Payload

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13
Q

It sometimes called the footer, typically contains a couple of bits that tell the receiving device that it has reached the end of the pocket.

A

Trailer

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14
Q

It is the arrangement with which computer system or network devices are connected to each other.

A

Topology

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15
Q

It is a set of entries in the forwarding tables that cause some packets to circulate endlessly.

A

Routing Loops

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16
Q

It is the reduced quality of service that occurs when a network node or link is carrying more data that it can be.

A

Congestion

17
Q

Causes of Congestion

A
  • Too many hosts in broadcast domain
  • Broadcast Storm
  • Low Bandwidth
  • Adding Retransmitting Hubs
  • Multicasting
  • Outdated Hardware
  • Bad Configuration Management
  • Rogue Adapter Broadcast
  • Artificial Congestion
18
Q

It is a communication protocol for LAN.

A

Ethernet

19
Q

Are independent networks but may be linked within a WAN through internet devices such as Routers.

A

LAN

20
Q

It is principal communication protocol in the internet protocol suite for relaying datagrams across network boundaries.

A

Internet Protocol (IP)

21
Q

It provides a global mechanism for addressing and routing, so that packets cam actually be delivered from any host to another host.

A

Internet Protocol (IP)

22
Q

It is originated in the initial network implementation in which it complemented the Internet Protocol.

A

Transmission Control Protocol (TCP)

23
Q

It is a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or private network.

A

Domain Name System (DNS)

24
Q

It is a system designed to prevent unauthorized access to or from a private network.

A

Firewall

25
Q

It is used to determine if another machine is accessible.

A

Ping

26
Q

Is a way of connecting computers together in a local area network or LAN.

A

Ethernet

27
Q

It is an electronic device that receives a signal and retransmits it.

A

Repeater

28
Q

It is a networking hardware that connects devices on a computer network by using packet switching to receive and forward data to the destination device.

A

Switches

29
Q

It is a multiport network bridge that uses MAC addresses to forward data at the data link layer of the OSI model.

A

Switches

30
Q

NIC means?

A

Network Interface Card

31
Q

Repeater is also called as?

A

Digital Regenerator

32
Q

It allows branching and thus more complex topologies.

A

Hub

33
Q

CRC means.

A

Cyclical Redundancy Check

34
Q

Usually used to connect points on a company’s internal LAN.

A

LAN Switches

35
Q
  • Are frequently used in home networks, small companies and businesses.
  • Does not necessarily need to configured or watched.
A

Unmanaged Switch

36
Q

They offer some features like QoS (Quality of Service), Simple Network Management Protocol (SNMP) and ao on.

A

Manage Switch

37
Q

Switch that can support power and data transmission over one network at the same time.

A

PoE Switch

38
Q

It provide a way to simplify and increase the availability of the network.

A

Stackable Switch

39
Q

Types of Switches

A
  • LAN Switch
  • Manage Switch
  • Unmanage Switch
  • PoE Switch
  • Stackable Switch

Prelim ng Third Year (4 decks)

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