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Examcompass Practice Test > Practice Test 3 > Flashcards

Practice Test 3 Flashcards

1
Q

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

  • Session Layer
  • Application Layer
  • Transport Layer
  • Presentation Layer
A

Session layer

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2
Q

Which of the answers listed below refer to the components that can be found at the OSI network layer? (Select 3 answers)

  • Router
  • Network cabling
  • IP address
  • TCP/UDP protocols
  • Switch
  • Packet
A

Router
IP address
Packet

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3
Q

The term “Presentation layer” refers to:

  • Layer 7 of the OSI model
  • Layer 5 of the OSI model
  • Layer 6 of the OSI model
  • Layer 4 of the OSI model
A

Layer 6 of the OSI model

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4
Q

Layer 2 of the OSI model is known as:

  • Transport layer
  • Network layer
  • Data Link layer
  • Physical layer
A

Data link layer

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5
Q

Which of the following terms refers to the OSI network layer?

  • Layer 2
  • Layer 5
  • Layer 3
  • Layer 4
A

Layer 3

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6
Q

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

  • UDP
  • SSL/TLS
  • ICMP
  • TCP
  • ATM
A

UDP

TCP

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7
Q

Which OSI layer assumes the responsibility for managing network connections between applications?

  • Network layer
  • Data Link layer
  • Application layer
  • Session layer
A

Session layer

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8
Q

Physical layer of the OSI model is also known as:

  • Layer 2
  • Layer 7
  • Layer 1
  • Layer 4
A

Layer 1

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9
Q

Layer 4 of the OSI model is also referred to as:

  • Network layer
  • Data Link layer
  • Session layer
  • Transport layer
A

Transport layer

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10
Q

Character encoding, data compression and encryption/decryption take place at the:

  • Application layer of the OSI model
  • Presentation layer of the OSI model
  • Session layer of the OSI model
  • Transport layer of the OSI model
A

Presentation layer of the OSI model

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11
Q

Which of the following protocols reside at the application layer of the OSI model? (Select 3 answers)

  • ATM
  • HTTP
  • FTP
  • IP
  • SMTP
  • TCP/UDP
A

HTTP
FTP
SMTP

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12
Q

In computer networking, the term “Collision” refers to a situation in which two or more demands are made simultaneously on an equipment that can handle only one request at any given moment.

  • True
  • False
A

True

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13
Q

A network segment utilizing only this type of device is the most prone to network performance degradation due to large number of network collisions.

  • Bridge
  • Hub
  • Switch
  • Router
A

Hub

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14
Q

Which device improves network performance by dividing a given network segment into separate collision domains?

  • Hub
  • Repeater
  • Switch
  • Router
A

Switch

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15
Q

Which of the devices listed below is used for separating broadcast domains?

  • Router
  • Switch
  • Repeater
  • Hub
A

Router

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16
Q

The purpose of the Carrier Sense Multiple Access (CSMA) protocol is to verify the absence of other traffic on a shared medium before transmitting to prevent collisions and loss of data.

  • True
  • False
A

True

17
Q

Which of the following allows for verifying the absence of traffic on a shared transmission medium in 802.3 networks?

  • CDMA
  • CSMA/CA
  • CWDM
  • CSMA/CD
A

CSMA/CD

18
Q

A solution that allows to control access to a shared transmission medium in 802.11 networks is known as:

  • CWDM
  • CSMA/CD
  • CDMA
  • CSMA/CA
A

CSMA/CA

19
Q

In telecommunications, Protocol Data Unit (PDU) is a term used for describing a specific unit of data passed across a network.
-True
-False
-

A

True

20
Q

Which of the statements listed below is not true?

  • The ATM PDU is the cell
  • OSI physical layer PDU is the bit
  • OSI data link layer PDU is the frame
  • OSI network layer PDU is the packet
  • OSI transport layer PDU is the segment
  • PDUs between OSI session and application layers are referred to simply as the data
  • All of the above statements are true
A

All of the above statements are true

21
Q

Which of the following metrics is used to describe the largest allowable data unit that can be transmitted across a network?

  • PDU
  • MTU
  • DSU
  • BPDU
A

MTU

22
Q

A networked host with unknown address can be reached via:

  • Unicast
  • Multicast
  • Broadcast
A

Broadcast

23
Q

A type of network traffic intended for a particular group of hosts is called:

  • Unicast
  • Multicast
  • Broadcast
A

Multicast

24
Q

A type of network traffic intended for a single host identified by a unique IP address is referred to as:

  • Unicast
  • Multicast
  • Broadcast
A

Unicast

25
Q

Which of the terms listed below refers to a logical grouping of computers that allow computer hosts to act as if they were attached to the same broadcast domain regardless of their physical location?

  • VLAN
  • DMZ
  • SNMP community
  • VPN
A

VLAN

Examcompass Practice Test (16 decks)

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