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Network+ > OSI Network+ Quiz > Flashcards

OSI Network+ Quiz Flashcards

1
Q

Which of the following reside at the physical layer of the OSI model?

A

Hub
Network Cabling
Repeater

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2
Q

Physical layer of the OSI model is also known as:

A

Layer 1

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3
Q

What are the characteristic components of the OSI data link layer? (Select 3 answers)

A

Mac address
Network switch
Ethernet frame

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4
Q

Layer 2 of the OSI model is also referred to as:

A

Data link layer

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5
Q

Which of the answers listed below refers to a data link layer device designed to forward frames between network segments?

A

Switch

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6
Q

Which of the following answers refer to the OSI network layer components? (Select 3)

A

Router
IP address
Packet

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7
Q

What is the name of a network layer protocol that specifies the format of packets and addressing scheme in network communications?

A

IP

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8
Q

Which of the following terms to the OSI network layer?

A

Layer 3

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9
Q

Which of the protocols listed below reside at the OSI transport layer? (Select 2 answers)

A

UDP
TCP

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10
Q

Layer 4 of the OSI model is also known as:

A

Transport layer

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11
Q

Which OSI layer assumes the responsibility for opening, closing, and maintaining connections between applications?

A

Session layer

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12
Q

Authentication and authorization take place at the:

A

Session layer of the OSI model

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13
Q

Layer 5 of the OSI model is also referred to as:

A

Presentation layer

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14
Q

Data format translation, data compression, and data encryption/decryption take place at the:

A

Presentation layer of the OSI model

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15
Q

The term “Presentation layer” refers to:

A

Layer 6 of the OSI model

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16
Q

Which of the following protocols reside(s) at the application layer of the OSI model? (Select all that apply)

A

Http
FTP
SMTP

17
Q

The application layer of the OSI model is also known as:

A

Layer 7

18
Q

In the context of the OSI model, the term “Data encapsulation” is used to describe a process where each layer of the OSI model adds its own control information to the original data that is being passed across the layers from the physical layer up to the application layer.

A

False

19
Q

In the OSI model, the physical layer PDU is known as:

A

Bit

20
Q

In the OSI model, the layer 2 PDU is called:

A

Frame

21
Q

Which of the following answers refer to the OSI layer 2 header data? (Select 2 answers)

A

Source MAC address
Destination MAC address

22
Q

In the OSI model, the layer 3 PDU is known as:

A

Packet

23
Q

which of the following answers refer to examples of network layer header data? (Select 2 answers)

A

Source IP address
Destination IP address

24
Q

User Datagram Protocol (UDP) is a connection-oriented protocol using a Three-way handshake which is a set of initial steps required for establishing network connection. UDP supports retransmission of lost packets, flow control (managing the amount of data that is being sent),and sequencing (rearranging packets that arrived out of order). Example applications of UDP include transmission of text and image data.

A

False

25
Q

Transmission Control Protocol (TCP) is an example of a connectionless protocol. Because TCP does not support three-way handshake while establishing a network connection it is referred to as unreliable or best-effort protocol. Example applications of TCP include transmission of video and audio streaming data.

A

False

26
Q

In the OSI model, the layer 4 TCP PDU is known as:

A

Segment

27
Q

Which of the following answers does not refer to the OSI TCP segment header?

A

Layer 3 header

28
Q

In the OSI model, the layer 4 UDP PDU is called:

A

Datagram

29
Q

Which of the following answers does not refer to the OSI UDP datagram header?

A

Layer 3 header

30
Q

Which of the following TCP flags are sued for establishing a network connection via TCP three-way handshake? (Select 2 answers)

A

SYN
ACK

31
Q

In the OSI model, the payload data (a.k.a. user data) is the actual data being nested between header and tail control information.

A

True

32
Q

A limit on the maximum amount of data that can be transmitted over a network without fragmentation is referred to as:

A

MTU (Maximum Transmission Unit)

Network+ (18 decks)

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