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 Module 2

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Registration date : 2007-02-22

PostSubject: Module 2   Tue Nov 13, 2007 11:07 am

CCNA 1
Chapter 2

L=======
Use this at your own risk.
I'm not responsible for
what you do with it.
Happy cheating ^^
=========================
P.s. answers are not complete.

===========================================================================
Which layer of the OSI model provides network services to processes in electronic mail and file transfer programs?
data link
transport
network
application
===========================================================================
Which of the following are data link layer encapsulation details? (Choose two.)
A header and trailer are added.
Data is converted into packets.
Packets are packaged into frames.
Frames are divided into segments.
Packets are changed into bits for Internet travel.
===========================================================================
Which three features apply to LAN connections? (Choose three.)
operate using serial interfaces
make network connection using a hub
limited to operation over small geographic areas
provide part-time connectivity to remote services
typically operate under local administrative control
provide lower bandwidth services compared to WANs
===========================================================================
Which layer of the OSI model provides connectivity and path selection between two end systems where routing occurs?
physical layer
data link layer
network layer
transport layer
===========================================================================
Which term describes the process of adding headers to data as it moves down OSI layers?
division
encoding
separation
segmentation
encapsulation
===========================================================================
Refer to the following list. Choose the correct order of data encapsulation when a device sends information.

1. segments
2. bits
3. packets
4. data
5. frames


1 - 3 - 5 - 4 - 2
2 - 1 - 3 - 5 - 4
2 - 4 - 3 - 5 - 1
4 - 3 - 1 - 2 - 5
4 - 1 - 3 - 5 - 2
3 - 5 - 1 - 2 - 4
===========================================================================
The central hub has malfunctioned in the network. As a result, the entire network is down. Which type of physical network topology is implemented?
bus
star
ring
mesh
===========================================================================
Which of the following are factors that determine throughput? (Choose two.)
types of passwords used on servers
type of Layer 3 protocol used
network topology
width of the network cable
number of users on the network
===========================================================================
Which best describes the function of the physical layer?
Defines the electrical and functional specifications for the link between end systems.
Provides reliable transit of data across a physical link.
Provides connectivity and path selection between two end systems.
Concerned with physical addressing, network topology and media access.
===========================================================================
Which of the following are ways that bandwidth is commonly measured? (Choose three.)
GHzps
*kbps
*Mbps
Nbps
MHzps
*Gbps
===========================================================================
Which of the following are layers of the TCP/IP model? (Choose three.)
*Application
*Physical
Internet
Network Access
*Presentation
===========================================================================
What is the term used to describe the transport layer protocol data unit?
bits
packets
segments
frames
data streams
===========================================================================
What makes it easier for different networking vendors to design software and hardware that will interoperate?
*OSI model
proprietary designs
IP addressing scheme
standard logical topologies
standard physical topologies
===========================================================================
Refer to the exhibit. Which column shows the correct sequence of OSI model layers?
A
B
C
D
===========================================================================
What is one advantage of defining network communication by the seven layers of the OSI model?
It increases the bandwidth of a network.
It makes networking easier to learn and understand.
It eliminates many protocol restrictions.
It increases the throughput of a network.
It reduces the need for testing network connectivity.
===========================================================================
Which two features apply to WAN connections? (Choose two.)
operate using serial interfaces
make network connection using a hub
limited to operation over small geographic areas
typically operate under local administrative control
provide lower bandwidth services compared to LANs
===========================================================================
A switch has failed in the network. As a result, only one segment of the network is down. Which type of physical network topology is implemented?
bus
ring
star
*extended star
===========================================================================
Refer to the exhibit. Identify the devices labeled A, B, C, and D in the network physical documentation.
A=bridge, B=switch, C=router, D=hub
*A=bridge, B=hub, C=router, D=switch
A=bridge, B=router, C=hub, D=switch
A=hub, B=bridge, C=router, D=switch
===========================================================================
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