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Networks > Test1 > Flashcards

Test1 Flashcards

1
Q

The number of layers in TCP/IP stack

  • 5
  • 7
  • 6
  • None of the mentioned
A

None of the mentioned (4)

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2
Q

The number of layers in ISO OSI reference model

  • 5
  • 7
  • 6
  • None of the mentioned
A

7

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3
Q

This layer is an addition to OSI model when compared with TCP IP model

  • Application layer
  • Presentation layer
  • Session layer
  • Both Session and Presentation layer
A

Both Session and Presentation layer

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4
Q

Application layer is implemented in

  • End system
  • NIC
  • Ethernet
  • None of the mentioned
A

End system

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5
Q

Transport layer is implemented in

  • End system
  • NIC
  • Ethernet
  • None of the mentioned
A

End System

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6
Q

The functionalities of presentation layer includes

  • Data compression
  • Data encryption
  • Data description
  • All of the mentioned
A

All of the mentioned

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7
Q

Delimiting and synchronization of data exchange is provided by

  • Application layer
  • Session layer
  • Transport layer
  • Link layer
A

Session Layer

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8
Q

In OSI model, when data is sent from device A to device B, the 5th layer to receive data at B is

  • Application layer
  • Transport layer
  • Link layer
  • Session layer
A

Session Layer

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9
Q

In TCP IP Model, when data is sent from device A to device B, the 5th layer to receive data at B is

  • Application layer
  • Transport layer
  • Link layer
  • Session layer
A

Application Layer

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10
Q

In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______

  • Added
  • Removed
  • Rearranged
  • None of the mentioned
A

Removed

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11
Q

Identify the statement which cannot be associated with OSI model

  • A structured way to discuss and easier update system components
  • One layer may duplicate lower layer functionality
  • Functionality at one layer no way requires information from another layer
  • None of the mentioned
A

Functionality at one layer no way requires information from another layer

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12
Q

OSI stands for

  • open system interconnection
  • operating system interface
  • optical service implementation
  • none of the mentioned
A

open system interconnection

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13
Q

The OSI model has _______ layers.

  • 4
  • 5
  • 6
  • 7
A

7

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14
Q

TCP/IP model does not have ______ layer but OSI model have this layer.

  • session layer
  • transport layer
  • application layer
  • None of the mentioned
A

Session layer

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15
Q

Which layer links the network support layers and user support layers

  • session layer
  • data link layer
  • transport layer
  • network layer
A

Transport layer

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16
Q

Which address is used in an internet employing the TCP/IP protocols?

  • physical address and logical address
  • port address
  • specific address
  • all of the mentioned
A

all of the mentioned

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17
Q

TCP/IP model was developed _____ the OSI model.

  • prior to
  • after
  • simultaneous to
  • none of the mentioned
A

prior to

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18
Q

Which layer is responsible for process to process delivery?

  • network layer
  • transport layer
  • session layer
  • data link layer
A

Transport layer

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19
Q

Which address identifies a process on a host?

  • physical address
  • logical address
  • port address
  • specific address
A

port address

20
Q

Which layer provides the services to user?

  • application layer
  • session layer
  • presentation layer
  • none of the mentioned
A

application layer

21
Q

Transmission data rate is decided by

  • network layer
  • physical layer
  • data link layer
  • transport layer
A

physical layer

22
Q

Which of the following is not a layer of the Open Systems Interconnect (OSI) reference model?

  • Physical layer
  • Data link layer
  • Internet access layer
  • Presentation layer
A

Internet access layer

23
Q

The term packet is used fairly generically to refer to protocol data unit (PDU). There are PDU equivalent names in the different OSI layers. What is the name of the unit in the physical layer of the OSI reference model?

  • Segment
  • Frames
  • Bits
  • Packet
A

Bits

24
Q

Which of the following is not a characteristic of the Media Access Control (MAC) sublayer of the data link layer (Layer 2) of the OSI reference layered model?

  • The MAC sublayer uses a physical address call a MAC address, which is a 48-bit (6-byte) address assigned to a device network interface card.
  • Layer 2 devices view a network as a logical topology.
  • Method of transmitting on the media.
  • The use of flow control on a network to prevent a receiver from being overwhelmed.
A

Method of transmitting on the media.

25
Q

Which of the following layers of the OSI reference model is primarily concerned with forwarding data based on logical addresses?

  • Physical layer
  • Data link layer
  • Network layer
  • Presentation layer
A

Network layer

26
Q

Which of the following transport layer protocol of the OSI reference model is a connection-oriented protocol that provides reliable transport between two communicating hosts?

  • Transmission Control Protocol (TCP)
  • Transport Control Protocol (TCP)
  • User datagram Protocol (UDP)
  • Internetwork Packet Exchange (IPX)
A

???

27
Q

Which OSI reference model layer is responsible for the following? (a) Setting up session; (b) Maintaining a session; (c) Tearing down a session.

  • Presentation layer (Layer 6)
  • Data link layer (Layer 2)
  • Session layer (Layer 5)
  • Transport layer (layer 4)
A

Session layer (Layer 5)

28
Q

John, the network administrator of XYZ Corporation, is interested in changing the format of text from American Standard Code for Information Interchange (ASCII) to Extended Binary Code Decimal Interchange Code (EBCDIC). In addition, his IT manager requested that all sensitive and confidential information on their servers should be protected by applying the appropriate encryption. What OSI reference model layer is responsible for data format such as encryption?

  • Presentation layer (Layer 6)
  • Data-link layer (Layer 2)
  • Session layer (Layer 5)
  • Transport layer (Layer 4)
A

Presentation layer (Layer 6)

29
Q

Which of the following layers is not part of the TCP/IP protocol stack?

  • Transport
  • Application
  • Presentation
  • Internet
A

Presentation

30
Q

Which wiring standard is used on modern Ethernet connectors and jacks?

  • TIA/EIA-568-B
  • TIA/EIA-568-A
  • IEEE 802.3
  • IEEE 802.2
A

TIA/EIA-568-B

31
Q

Which type of transmission synchronization technique uses start and stop bits at the beginning and end of a data frame?

  • Synchronous
  • Isochronous
  • Asynchronous
  • Biochronous
A

Asynchronous

32
Q

What is the name of the mechanism used by TCP to increase and decrease the number of segments that are sent between each other before an acknowledgment is required?

  • Buffering
  • Synchronizing
  • Scaling
  • Windowing
A

Windowing

33
Q

On which OSI layer is encryption performed?

  • Layer 6 - The presentation layer
  • Layer 5 - The session layer
  • Layer 7 - The application layer
  • Layer 4 - The network layer
A

Layer 6 - The presentation layer

34
Q

Which of the following is not a network category based on the geographic dispersion of network components?

  • Local-area network (LAN)
  • World-area network (WAN)
  • Campus-area network (CAN)
  • Metropolitan-area network (MAN)
  • Personal-area network (PAN)
A

World-area network (WAN)

35
Q

Which of the following statements is true? (Choose two.)

  • Client/server networks can easily scale, which might require the purchase of additional client licenses.
  • Client/server networks can cost more than peer-to-peer networks. For example, client/server networks might require the purchase of dedicated server hardware and a network OS with an appropriate number of licenses.
  • Peer-to-peer networks can be very difficult to install.
  • Peer-to-peer networks typically cost more than client/server networks because there is no requirement for dedicated server resources or advanced NOS software.
A
  • Client/server networks can easily scale, which might require the purchase of additional client licenses.
  • Client/server networks can cost more than peer-to-peer networks. For example, client/server networks might require the purchase of dedicated server hardware and a network OS with an appropriate number of licenses.
36
Q

What is the name of the address that is used by a switch to identify specific devices?

  • MAC
  • IP
  • LLC
  • ARP
A

MAC

37
Q

What is the name of the address that is used by a router (at Layer 3) to identify specific devices?

  • MAC
  • IP
  • LLC
  • ARP
A

IP

38
Q

Which IEEE standard defines wired Ethernet as it is used on modern networks?

  1. 5
  2. 16
  3. 3
  4. 1
A

802.3

39
Q

A Bluetooth connection between a mobile phone and a headset is an example of what type of network category?

  • CAN
  • LAN
  • MAN
  • PAN
A

PAN

40
Q

An FDDI network uses which type of topology?

  • Dual ring
  • Ring
  • Star
  • Bus
A

Dual Ring

41
Q

What is the most popular topology that is used on modern LANs?

  • Bus
  • Star
  • Ring
  • Partial mesh
A

Star

42
Q

Which option is a benefit of implementing a client/server arrangement over a peer-to-peer arrangement? (Choose two.)

  • Easy installation
  • Cheaper
  • Simplified administration
  • Easy scalability
A
  • Simplified administration

- Easy scalability

43
Q

At upper layers of the OSI reference model, bits are grouped together into protocol data units (PDUs) or data service units.
(True/False)

A

True

44
Q

Switching is associated with Layer 2 (data link layer) and Layer 3 (network layer).(True/False)

A

False

45
Q

Broadband bandwidth usage divides the bandwidth into channels for use with multiple communications streams.(True/False)

A

True

46
Q

A converged network is a network that has the capabilities of transporting multiple types of traffic such as voice, video, and data, which can offer significant cost savings to organizations.(True/False)

A

True

47
Q

The actual traffic flow determines the logical topology, while how components are physically interconnected determines the physical topology.(True/False)

A

True

Networks (14 decks)

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