Question 1

What are the responsibilities of the OSI model Data Link layer?

Accepted Answer

The layer just above the Physical layer on the OSI protocol stack is the Data Link layer. This layer has several responsibilities:
• NIC software functions, including the identification of the source and destination nodes via their physical addresses (Media Access Control addresses)
• Definition of how data is packaged for transport in smaller units known as frames
• Error notification,

Question 2

Each layer in a protocol stack may add a(n) ____ to the data as it is passed down the layers.

Accepted Answer

A)  PDU 
B)  MTU 
C)  CRC 
D)  LLC 
A)  PDU 
B)  MTU 
C)  CRC 
D)  LLC A

Question 3

What are the responsibilities of the OSI model Physical layer?

Accepted Answer

Layer 1 in the OSI model is the Physical layer. It has the following responsibilities:
• Definition of the physical characteristics of the network hardware, including cable and connectors
• Representation of binary digits as voltages (encoding)
• Transmission of signals on the wire,

Question 4

What are the functions of the Network layer of the OSI model?

Accepted Answer

Layer 3 in the OSI model is the Network

Question 5

A(n) ____, which is also known as a header or a trailer, is specific information that is sent from one layer on the source computer to the same layer on the destination computer.

Accepted Answer

A)  LLC 
B)  MTU 
C)  PDU 
D)  CRC 
A)  LLC 
B)  MTU 
C)  PDU 
D)  CRC

Question 6

Data sent by a connectionless transport is called a ____.

Accepted Answer

A)  block 
B)  datagram 
C)  cell 
D)  package 
A)  block 
B)  datagram 
C)  cell 
D)  package

Question 7

Because the MAC address is added during the manufacturing process, it is a permanent marking. For this reason, the address is also known as a ____.

Accepted Answer

A)  NIC 
B)  BIA 
C)  CRC 
D)  CSMA/CD 
A)  NIC 
B)  BIA 
C)  CRC 
D)  CSMA/CD

Question 8

Peer communication allows error checking to occur on two separate layers simultaneously.

Accepted Answer

A) True 
 B)False

Question 9

Match between columns
                        Premises: devices that boost the network signal
a wireless transmission media
term that describes all the physical components of a network
a defined method for communicating between systems
when every computer on a network acts as both a client and a server
the programs used to run a network
developed as an industry standard for companies to use when developing network hardware and software to ensure complete compatibility
frequently caused by nearby motors or fluorescent lighting
allows communication, security, and distribution of data, files, and applications over a network

Accepted Answer

The Answer of Repeaters and Peer-to-peer network and Infrared and is...

Question 10

Describe various types of servers in a network.

Accepted Answer

You may see a variety of servers on a ne

Question 11

The ____ sublayer of the Data Link layer defines how data is packaged for the network.

Accepted Answer

A)  MAC 
B)  RPC 
C)  CRC 
D)  LLC 
A)  MAC 
B)  RPC 
C)  CRC 
D)  LLC

Question 12

____ protocols, such as TCP, require an acknowledgment (ACK) of the receipt of data packets.

Accepted Answer

A)  Connectionless 
B)  SYN 
C)  Application-layer 
D)  Connection-oriented 
A)  Connectionless 
B)  SYN 
C)  Application-layer 
D)  Connection-oriented

Question 13

A(n) ____________________ is a network that uses a public communications infrastructure to facilitate private communication between a company LAN and remote employees.

Accepted Answer

VPN,virtual private

Question 14

The OSI model ____ layer defines the mechanical, electrical, and procedural events that occur during the physical transmission of electronic signals on the wire.

Accepted Answer

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

Question 15

What are the services provided by the Session layer of the OSI model?

Accepted Answer

The Session layer enables two applicatio

Question 16

What are the responsibilities of the Transport layer of the OSI model?

Accepted Answer

The Transport layer provides host-to-hos

Question 17

The part of the company's network that allows access to employees is called the ____, which is completely separate from the Internet.

Accepted Answer

A)  intranet 
B)  LAN 
C)  SAN 
D)  extranet 
A)  intranet 
B)  LAN 
C)  SAN 
D)  extranet

Question 18

In a client/server network, the ____________________ host the resources for the clients to use and provide security.

Accepted Answer

The answer of In a client/server network, the ____________________ host...

Question 19

The seven layers of the OSI reference model communicate with one another via ____ communication.

Accepted Answer

A)  multicast 
B)  logical 
C)  peer 
D)  unicast 
A)  multicast 
B)  logical 
C)  peer 
D)  unicast

Question 20

What are the responsibilities of the Presentation layer of the OSI model?

Accepted Answer

The Presentation layer prepares the data

What are the responsibilities of the OSI model Data Link layer?

Each layer in a protocol stack may add a(n) ____ to the data as it is passed down the layers.

What are the responsibilities of the OSI model Physical layer?

What are the functions of the Network layer of the OSI model?

A(n) ____, which is also known as a header or a trailer, is specific information that is sent from one layer on the source computer to the same layer on the destination computer.

Data sent by a connectionless transport is called a ____.

Because the MAC address is added during the manufacturing process, it is a permanent marking. For this reason, the address is also known as a ____.

Peer communication allows error checking to occur on two separate layers simultaneously.

Describe various types of servers in a network.

The ____ sublayer of the Data Link layer defines how data is packaged for the network.

____ protocols, such as TCP, require an acknowledgment (ACK) of the receipt of data packets.

A(n) ____________________ is a network that uses a public communications infrastructure to facilitate private communication between a company LAN and remote employees.

The OSI model ____ layer defines the mechanical, electrical, and procedural events that occur during the physical transmission of electronic signals on the wire.

What are the services provided by the Session layer of the OSI model?

What are the responsibilities of the Transport layer of the OSI model?

The part of the company's network that allows access to employees is called the ____, which is completely separate from the Internet.

In a client/server network, the ____________________ host the resources for the clients to use and provide security.

The seven layers of the OSI reference model communicate with one another via ____ communication.

What are the responsibilities of the Presentation layer of the OSI model?

Network Devices

Tcpip

Ip Addressing

Router and Ios Basics

Router Startup and Configuration

Routing Protocols

Advanced Routing Protocols

Network Services

Access Lists

Ppp and Frame Relay

Basic Switching and Switch Configuration

Advanced Switching Concepts

Network Security

Filters

Exam 1: Introducing Networks

What are the responsibilities of the OSI model Data Link layer?

Each layer in a protocol stack may add a(n) ____ to the data as it is passed down the layers.

What are the responsibilities of the OSI model Physical layer?

What are the functions of the Network layer of the OSI model?

A(n) ____, which is also known as a header or a trailer, is specific information that is sent from one layer on the source computer to the same layer on the destination computer.

Data sent by a connectionless transport is called a ____.

Because the MAC address is added during the manufacturing process, it is a permanent marking. For this reason, the address is also known as a ____.

Peer communication allows error checking to occur on two separate layers simultaneously.

Describe various types of servers in a network.

The ____ sublayer of the Data Link layer defines how data is packaged for the network.

____ protocols, such as TCP, require an acknowledgment (ACK) of the receipt of data packets.

A(n) ____________________ is a network that uses a public communications infrastructure to facilitate private communication between a company LAN and remote employees.

The OSI model ____ layer defines the mechanical, electrical, and procedural events that occur during the physical transmission of electronic signals on the wire.

What are the services provided by the Session layer of the OSI model?

What are the responsibilities of the Transport layer of the OSI model?

The part of the company's network that allows access to employees is called the ____, which is completely separate from the Internet.

In a client/server network, the ____________________ host the resources for the clients to use and provide security.

The seven layers of the OSI reference model communicate with one another via ____ communication.

What are the responsibilities of the Presentation layer of the OSI model?

Network Devices

Tcpip

Ip Addressing

Router and Ios Basics

Router Startup and Configuration

Routing Protocols

Advanced Routing Protocols

Network Services

Access Lists

Ppp and Frame Relay

Basic Switching and Switch Configuration

Advanced Switching Concepts

Network Security

Filters