Question 1

In the OSI reference model, the ____ layer is layer 6.&#10;A)Data Link&#10;B)Application&#10;C)Presentation&#10;D)Session

Accepted Answer

The Presentation layer is Layer 6 in the OSI reference model. This layer is responsible for formatting and encrypting data before it is transmitted, as well as decoding and decrypting received data. It also deals with data compression and decompression, as well as language and code translation.

Question 2

The PDU at the Transport layer is called a ____.&#10;A)message&#10;B)segment&#10;C)frame&#10;D)packet

Accepted Answer

The PDU at the Transport layer is called a segment. This is because it divides the data obtained from the application layer into smaller segments that can be transmitted across the network. A message is the PDU at the Application layer, while a frame is the PDU at the Data Link layer and a packet is the PDU at the Network layer.

Question 3

The frame's destination address of a broadcast frame is a value of all binary 0s.

Accepted Answer

A broadcast frame's destination address is a value of all binary 1s, not 0s.

Question 4

The IEEE 802 standards predate the OSI reference model.

Accepted Answer

The IEEE 802 standards were developed before the OSI reference model was finalized in 1984. The first IEEE 802 standard, for Ethernet, was developed in 1980.

Question 5

In the OSI reference model, the ____ layer is layer 1.&#10;A)Physical&#10;B)Application&#10;C)Data Link&#10;D)Session

Accepted Answer

Layer 1 is the Physical layer in the OSI reference model. It is responsible for transmitting raw binary data over a physical medium such as a cable or wireless connection.

Question 6

In the OSI reference model, the ____ layer is layer 2.&#10;A)Physical&#10;B)Presentation&#10;C)Data Link&#10;D)Network

Accepted Answer

The Data Link layer is the second layer of the OSI reference model. It is responsible for providing error-free transfer of data frames from one node to another over the physical layer. It also includes sublayers such as Media Access Control (MAC) and Logical Link Control (LLC).

Question 7

The job of the ____ to convert bits into signals for outgoing messages and signals into bits for incoming messages.&#10;A)Data Link layer&#10;B)LLC sublayer&#10;C)MAC sublayer&#10;D)Physical layer

Accepted Answer

The job of the Physical layer is to convert data into signals (in case of outgoing messages) and signals into data (in case of incoming messages). The Data Link layer is responsible for reliable transmission over the physical layer, LLC sublayer is responsible for flow control and error checking, and MAC sublayer deals with collision avoidance and handling.

Question 8

In the OSI reference model, the ____ layer is layer 4.&#10;A)Session&#10;B)Transport&#10;C)Data Link&#10;D)Network

Accepted Answer

The Transport layer is layer 4 in the OSI reference model. The Transport layer is responsible for end-to-end communication between applications and provides reliable data transfer through flow control, segmentation, and error checking.

Question 9

In the OSI reference model, the ____ layer is layer 3.&#10;A)Physical&#10;B)Transport&#10;C)Data Link&#10;D)Network

Accepted Answer

Layer 3 in the OSI reference model is the Network layer, which is responsible for logical addressing and routing of data packets between different networks.

Question 10

The PDU at the Network layer is called a ____.&#10;A)message&#10;B)segment&#10;C)frame&#10;D)packet

Accepted Answer

The PDU at the Network layer is called a packet. It is responsible for routing and addressing data between different networks. A packet contains information such as the source and destination IP addresses, protocol information, and the actual data being transmitted. Therefore, the best choice is D, packet.

Question 11

Domain Name System (DNS)and NetBIOS name resolution both work in part at the ____ layer.&#10;A)Session&#10;B)Network&#10;C)Presentation&#10;D)Transport

Accepted Answer

The answer of Domain Name System (DNS)and NetBIOS name resolution...

Question 12

____ is the process whereby a device receives a packet destined for another network, determines the best way to get the packet to its destination, and then forwards the packet out of one of its other network interfaces.

A)Switching
B)Routing
C)Encapsulation
D)Forwarding

Accepted Answer

The answer of ____ is the process whereby a device...

Question 13

Encoding is the representation of 0s and 1s as a physical signal, such as electrical voltage or a light pulse.

Accepted Answer

The answer of Encoding is the representation of 0s and...

Question 14

The PDU at the Application layer (and the Presentation and Session layers)is referred to simply as &#34;message.&#34;

Accepted Answer

The answer of The PDU at the Application layer (and...

Question 15

In the OSI reference model, the ____ layer is layer 5.&#10;A)Network&#10;B)Application&#10;C)Presentation&#10;D)Session

Accepted Answer

The answer of In the OSI reference model, the ____...

Question 16

A packet is the basic unit for network traffic as it travels across the medium.

Accepted Answer

The answer of A packet is the basic unit for...

Question 17

In the OSI reference model, the ____ layer is layer 7.&#10;A)Physical&#10;B)Application&#10;C)Presentation&#10;D)Session

Accepted Answer

The answer of In the OSI reference model, the ____...

Question 18

The Application layer provides a set of interfaces for applications to access networked services, such as networked file transfer, message handling, and database query processing.

Accepted Answer

The answer of The Application layer provides a set of...

Question 19

The PDU at the Data Link layer is called a ____.&#10;A)message&#10;B)segment&#10;C)frame&#10;D)packet

Accepted Answer

The answer of The PDU at the Data Link layer...

Question 20

Access control is handled at the ____ layer during the routing process; the router consults a list of rules before forwarding an incoming packet to determine whether a packet meeting certain criteria (such as source and destination address)should be permitted to reach the intended destination.

A)Data Link
B)Transport
C)Application
D)Network

Accepted Answer

The answer of Access control is handled at the ____...

Question 21

The IEEE standard ____ covers all forms of Ethernet media and interfaces, from 10 Mbps to 10 Gbps (10 Gigabit Ethernet).&#10;A)802.2&#10;B)802.3&#10;C)802.5&#10;D)802.11

Accepted Answer

The answer of The IEEE standard ____ covers all forms...

Question 22

Describe the process that occurs as data moves down through the OSI model.

Accepted Answer

The answer of Describe the process that occurs as data...

Question 23

The IEEE standard ____ covers error control and flow control over data frames.&#10;A)802.2&#10;B)802.3&#10;C)802.5&#10;D)802.11

Accepted Answer

The answer of The IEEE standard ____ covers error control...

Question 24

The OSI reference model was proposed by the _____________________________________________ (ISO).

Accepted Answer

The answer of The OSI reference model was proposed by...

Question 25

____ functions at the Network layer of the OSI reference model.&#10;A)PPP&#10;B)UDP&#10;C)IPX&#10;D)SPX

Accepted Answer

The answer of ____ functions at the Network layer of...

Question 26

A frame is usually addressed to only one computer and is called a ____ frame.&#10;A)basic&#10;B)unicast&#10;C)broadcast&#10;D)multicast

Accepted Answer

The answer of A frame is usually addressed to only...

Question 27

____ frames are created for any computers on a network that &#34;listen&#34; to a shared network address.&#10;A)Group&#10;B)Unicast&#10;C)Broadcast&#10;D)Multicast

Accepted Answer

The answer of ____ frames are created for any computers...

Question 28

The trailer component labeled as&#34;FCS&#34; (frame check sequence)contains an error-checking value called a(n)_________________________ (CRC).

Accepted Answer

The answer of The trailer component labeled as&#34;FCS&#34; (frame check...

Question 29

LLC stands for ____________________.

Accepted Answer

The answer of LLC stands for ____________________....

Question 30

MAC stands for ____________________.

Accepted Answer

The answer of MAC stands for ____________________....

Question 31

In some cases, special frames called ____ frames are created for all computers on a network.&#10;A)group&#10;B)unicast&#10;C)broadcast&#10;D)multicast

Accepted Answer

The answer of In some cases, special frames called ____...

Question 32

PDU stands for ____________________.

Accepted Answer

The answer of PDU stands for ____________________....

Question 33

____ functions at the Application layer of the OSI reference model.&#10;A)UDP&#10;B)ARP&#10;C)PPP&#10;D)HTTP

Accepted Answer

The answer of ____ functions at the Application layer of...

Question 34

What does the data section of a frame contain?

Accepted Answer

The answer of What does the data section of a...

Question 35

What is encapsulation?

Accepted Answer

The answer of What is encapsulation?...

Question 36

What does a frame trailer contain?

Accepted Answer

The answer of What does a frame trailer contain?...

Question 37

OSI stands for ______________________________.

Accepted Answer

The answer of OSI stands for ______________________________....

Question 38

What does a frame header usually contain?

Accepted Answer

The answer of What does a frame header usually contain?...

Question 39

The IEEE standard ____ sets standards for wireless networking for many different broadcast frequencies and techniques.&#10;A)802.3&#10;B)802.11&#10;C)802.15&#10;D)802.16

Accepted Answer

The answer of The IEEE standard ____ sets standards for...

Question 40

____ functions at the Transport layer of the OSI reference model.&#10;A)PPP&#10;B)IP&#10;C)IPX&#10;D)SPX

Accepted Answer

The answer of ____ functions at the Transport layer of...

Question 41

Match between columns&#10;                        Premises: sends PDUs from the Network layer to the Physical layer&#10;sends PDUs from the Network layer to the Physical layer&#10;sends PDUs from the Network layer to the Physical layer&#10;sends PDUs from the Network layer to the Physical layer&#10;sends PDUs from the Network layer to the Physical layer&#10;sends PDUs from the Network layer to the Physical layer&#10;sends PDUs from the Network layer to the Physical layer&#10;sends PDUs from the Network layer to the Physical layer&#10;sends PDUs from the Network layer to the Physical layer&#10;manages the transfer of data from one application to another across a network&#10;manages the transfer of data from one application to another across a network&#10;manages the transfer of data from one application to another across a network&#10;manages the transfer of data from one application to another across a network&#10;manages the transfer of data from one application to another across a network&#10;manages the transfer of data from one application to another across a network&#10;manages the transfer of data from one application to another across a network&#10;manages the transfer of data from one application to another across a network&#10;manages the transfer of data from one application to another across a network&#10;its value is the result of a mathematical function based on data in the frame and is recalculated on the receiving end&#10;its value is the result of a mathematical function based on data in the frame and is recalculated on the receiving end&#10;its value is the result of a mathematical function based on data in the frame and is recalculated on the receiving end&#10;its value is the result of a mathematical function based on data in the frame and is recalculated on the receiving end&#10;its value is the result of a mathematical function based on data in the frame and is recalculated on the receiving end&#10;its value is the result of a mathematical function based on data in the frame and is recalculated on the receiving end&#10;its value is the result of a mathematical function based on data in the frame and is recalculated on the receiving end&#10;its value is the result of a mathematical function based on data in the frame and is recalculated on the receiving end&#10;its value is the result of a mathematical function based on data in the frame and is recalculated on the receiving end&#10;handles addressing messages for delivery and translates logical addresses into their physical counterparts&#10;handles addressing messages for delivery and translates logical addresses into their physical counterparts&#10;handles addressing messages for delivery and translates logical addresses into their physical counterparts&#10;handles addressing messages for delivery and translates logical addresses into their physical counterparts&#10;handles addressing messages for delivery and translates logical addresses into their physical counterparts&#10;handles addressing messages for delivery and translates logical addresses into their physical counterparts&#10;handles addressing messages for delivery and translates logical addresses into their physical counterparts&#10;handles addressing messages for delivery and translates logical addresses into their physical counterparts&#10;handles addressing messages for delivery and translates logical addresses into their physical counterparts&#10;operates at the presentation layer&#10;operates at the presentation layer&#10;operates at the presentation layer&#10;operates at the presentation layer&#10;operates at the presentation layer&#10;operates at the presentation layer&#10;operates at the presentation layer&#10;operates at the presentation layer&#10;operates at the presentation layer&#10;collection of related software elements and services that correspond to the layers of the OSI model, instead of a single massive program&#10;collection of related software elements and services that correspond to the layers of the OSI model, instead of a single massive program&#10;collection of related software elements and services that correspond to the layers of the OSI model, instead of a single massive program&#10;collection of related software elements and services that correspond to the layers of the OSI model, instead of a single massive program&#10;collection of related software elements and services that correspond to the layers of the OSI model, instead of a single massive program&#10;collection of related software elements and services that correspond to the layers of the OSI model, instead of a single massive program&#10;collection of related software elements and services that correspond to the layers of the OSI model, instead of a single massive program&#10;collection of related software elements and services that correspond to the layers of the OSI model, instead of a single massive program&#10;collection of related software elements and services that correspond to the layers of the OSI model, instead of a single massive program&#10;passed as a self-contained data structure from one layer to another on its way up or down the protocol stack&#10;passed as a self-contained data structure from one layer to another on its way up or down the protocol stack&#10;passed as a self-contained data structure from one layer to another on its way up or down the protocol stack&#10;passed as a self-contained data structure from one layer to another on its way up or down the protocol stack&#10;passed as a self-contained data structure from one layer to another on its way up or down the protocol stack&#10;passed as a self-contained data structure from one layer to another on its way up or down the protocol stack&#10;passed as a self-contained data structure from one layer to another on its way up or down the protocol stack&#10;passed as a self-contained data structure from one layer to another on its way up or down the protocol stack&#10;passed as a self-contained data structure from one layer to another on its way up or down the protocol stack&#10;ensures that the recipient of transmitted data isn't overwhelmed with more data than it can handle&#10;ensures that the recipient of transmitted data isn't overwhelmed with more data than it can handle&#10;ensures that the recipient of transmitted data isn't overwhelmed with more data than it can handle&#10;ensures that the recipient of transmitted data isn't overwhelmed with more data than it can handle&#10;ensures that the recipient of transmitted data isn't overwhelmed with more data than it can handle&#10;ensures that the recipient of transmitted data isn't overwhelmed with more data than it can handle&#10;ensures that the recipient of transmitted data isn't overwhelmed with more data than it can handle&#10;ensures that the recipient of transmitted data isn't overwhelmed with more data than it can handle&#10;ensures that the recipient of transmitted data isn't overwhelmed with more data than it can handle&#10;handles data-formatting information for network communications&#10;handles data-formatting information for network communications&#10;handles data-formatting information for network communications&#10;handles data-formatting information for network communications&#10;handles data-formatting information for network communications&#10;handles data-formatting information for network communications&#10;handles data-formatting information for network communications&#10;handles data-formatting information for network communications&#10;handles data-formatting information for network communications

Accepted Answer

The Answer of protocol suite and PDU and Presentation layer is...

Question 42

What is the role of the Presentation layer of the OSI reference model?

Accepted Answer

The answer of What is the role of the Presentation...

Question 43

What is the role of the LLC sublayer?

Accepted Answer

The answer of What is the role of the LLC...

Question 44

What is the role of the MAC sublayer?

Accepted Answer

The answer of What is the role of the MAC...

Question 45

What is the role of the Application layer of the OSI reference model?

Accepted Answer

The answer of What is the role of the Application...

Question 46

What is the role of the Session layer of the OSI reference model?

Accepted Answer

The answer of What is the role of the Session...

Question 47

What kinds of problems can occur at the Transport layer of the OSI reference model?

Accepted Answer

The answer of What kinds of problems can occur at...

Deck 5: Making Networks Work