Monday, May 10, 2010

CCNA1 MODUL 2, MODUL 3, MODUL 4

CCNA1 MODUL 2

1. Which method of interacting with an operating system involves typing commands at a command prompt?
*CLI
GUI
redirector
kernel translator

2. What are two ways that a user can interact with an operating system shell? (Choose two.)
*CLI
OS
*GUI
NIC
kernel

3. What are three characteristics of an operating system that is released under the GPL (GNU Public License)? (Choose three.)
*full access to source code
*software often available free
structured development cycle
can be expensive to purchase
limits what end-user can do with code
*support normally user-based and often free

4. Which three resource specifications are given by the manufacturer to ensure that an operating system performs as designed? (Choose three.)
type of keyboard
printer requirements
required video memory
*required hard disk space
*processor type and speed
*recommended amount of RAM

5. An operating system is severely damaged. All data on the partition needs to be deleted, and all application software must be reinstalled. Which installation method should be used to correct the problem?
*clean install
upgrade
multi-boot
virtualization

6. Which two statements should be included in a pre-installation checklist when upgrading an operating system? (Choose two.)
Verify that the hardware resources have multiple partitions.
*Verify that the hardware resources meet or exceed the published minimum requirements.
*Complete a full backup of all important files and data.
Overwrite any data currently contained on the drive to remove all contents.
Verify that the hardware resources are certified to work with the existing operating system prior to upgrading.

7. Which two statements are true about drive partitions? (Choose two.)
*Partitions are necessary in multi-boot installations.
*A hard drive can be divided into an operating system partition and a data partition.
User data is never overwritten when a drive is partitioned.
A disk partition is a defined section of an operating system.
Each partition requires a different file system type.

8. Which Windows file system is more likely to be used in an enterprise-level environment?
ext2
ext3
NTFS
FAT16
FAT32

9. What occurs when computers are configured to receive their network configurations dynamically?
Each computer receives a permanent IP address.
A network administrator enters information on each computer.
*Each computer requests configuration information from a server.
An NIC automatically provides configuration information to the computer and stores that configuration information.

10. Which three pieces of information must be specified on a computer to allow that computer to send and receive information across networks? (Choose three.)
*IP address
*subnet mask
closest server
*default gateway
operating system
network card manufacturer

11. What is the purpose of a default gateway?
physically connects a computer to a network
provides a permanent address to a computer
identifies the network to which a computer is connected
identifies the logical address of a networked computer and uniquely identifies it to the rest of the network
*identifies the device that allows local network computers to communicate with devices on other networks

12. Which statement is true about installing an operating system on computers in a networked environment?
The computer name must be unique for all computers on the same network.
The operating system must be the same on all computers on the same network.
The amount of installed RAM must be the same on all computers on the same network.
The operating system must have the latest patch applied during the installation or it will not participate in the network.

13. Which two items must be unique to each computer and cannot be duplicated on a network? (Choose two.)
partition
file system
*computer name
*IP address
operating system

14. Which Windows XP Automatic Update option allows you to select the time when a Windows update is executed?
*Automatic (recommended).
Install updates from the Windows Update web site.
Notify me but don’t automatically download or install them.
Download updates for me, but let me choose when to install them.

15. Which operating system patch installation method is used when a user is notified of a security update for remotely accessing a computer, but wishes not to install this patch?
manual
automatic
semi-automatic
*prompt for permission

16. The Lesson TaskMaster application from ChalkBoard has a problem. Every time the software is installed and loaded on a Windows XP-based Dell computer, and the moment something is typed followed by a tab, two tabs are inserted instead of one. What would be the best solution to this problem?
Uninstall and then reinstall Lesson TaskMaster.
Download, install, and apply a patch from Dell.
Download, install, and apply a patch from Microsoft.
*Download, install, and apply a patch from ChalkBoard.

17. What two items are available from the About Windows option through the Windows Explorer Help menu? (Choose two.)
a list of troubleshooting links
*the end-user license agreement
a list of installed hardware devices
the date of the last Windows update
*the operating system version number
a list of terms with links to definitions

18. What Explorer menu option is used to determine the Windows XP version installed on a computer?
Edit
*Help
View
Tools
Favorites

19. Windows XP has a known problem with specific Intel processors. What is the best course of action to take in this situation?
Power off the computer and reinstall the CPU.
Delete Windows XP and perform a clean install.
Reinstall Windows XP to the same hard drive partition.
Reinstall Windows XP to a different hard drive partition.
*Download and install the Windows patch that fixes this problem.
Replace the Intel processor with one that is approved by Microsoft.

20. A computer in the Advanced Technology Center computer room on the second floor, room number 217, has the computer name ATC_217_7. What fact is true about the computer name?
The name is dynamically assigned by the DNS server.
The name is required to allow connectivity to the DHCP server.
The name must include the floor number to support the SLA agreement.
The names of all devices in a workgroup must be the same to allow LAN connectivity.
*The name makes it easier for users to reference the device when connecting to it to share resources.



CCNA1 MODUL 3

1. Which term is used to describe the process of placing one message format into another format so that the message can be delivered across the appropriate medium?
flow control
*encapsulation
encoding
multicasting
access method

2. Refer to the graphic. Five PCs are connected through a hub. If host H1 wants to reply to a message from host H2, which statement is true?
*H1 sends a unicast message to H2, but the hub forwards it to all devices.
H1 sends a unicast message to H2, and the hub forwards it directly to H2.
H1 sends a broadcast message to H2, and the hub forwards it to all devices.
H1 sends a multicast message to H2, and the hub forwards it directly to H2.

3. Which two statements concerning networking standards are true? (Choose two.)
adds complexity to networks
encourages vendors to create proprietary protocols
*provides consistent interconnections across networks
ensures that communications work best in a single-vendor environment
*simplifies new product development

4. What does the 100 mean when referencing the 100BASE-T Ethernet standard?
type of cable used
type of data transmission
*speed of transmission
type of connector required
maximum length of cable allowed

5. Which address does an NIC use when deciding whether to accept a frame?
source IP address
source MAC address
destination IP address
destination MAC address
source Ethernet address

6. Which type of address is used in an Ethernet frame header?
logical addresses only
IP addresses only
*MAC addresses only
broadcast addresses only

7. What is the function of the FCS field in an Ethernet frame?
*detects transmission errors
provides timing for transmission
contains the start of frame delimiter
indicates which protocol will receive the frame

8. What is the purpose of logical addresses in an IP network?
They identify a specific NIC on a host device.
They are used to determine which host device accepts the frame.
They provide vendor-specific information about the host.
They are used to determine the network that the host is located on.
They are used by switches to make forwarding decisions.

9. Which device accepts a message on one port and always forwards the message to all other ports?
modem
switch
router
hub

10. Which two networking devices are used to connect hosts to the access layer? (Choose two.)
router
*hub
*switch
server
computer

11. Host A needs to learn the MAC address of Host B, which is on the same LAN segment. A message has been sent to all the hosts on the segment asking for the MAC address of Host B. Host B responds with its MAC address and all other hosts disregard the request. What protocol was used in this scenario?
*ARP
DHCP
DNS
WINS

12. A switch receives a frame with a destination MAC address that is currently not in the MAC table. What action does the switch perform?
It drops the frame.
It sends out an ARP request looking for the MAC address.
It floods the frame out of all active ports, except the origination port.
It returns the frame to the sender.

13. What is a benefit of having a router within the distribution layer?
prevents collisions on a local network
*keeps broadcasts contained within a local network
controls which hosts have access to the network
controls host-to-host traffic within a single local network

14. Refer to the graphic. What does the router do after it determines that a data packet from Network 1 should be forwarded to Network 2?
It sends the data packet as it was received.
*It reassembles the frame with different MAC addresses than the original frame.
It reassembles the data packet with different IP addresses than the original data packet.
It reassembles both the packet and the frame with different destination IP and MAC addresses.

15. Which table does a router use to make decisions about the interface through which a data packet is to be sent?
ARP table
*routing table
network table
forwarding table

16. If the default gateway is configured incorrectly on the host, what is the impact on communications?
The host is unable to communicate on the local network.
*The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.
The host can communicate with other hosts on remote networks, but is unable to communicate with hosts on the local network.
There is no impact on communications.

17. What device is typically used as the default gateway for a computer?
a server hosted by the ISP
*the router interface closest to the computer
a server managed by a central IT department
the switch interface that connects to the computer

18. What type of route allows a router to forward packets even though its routing table contains no specific route to the destination network?
dynamic route
*default route
destination route
generic route

19. Which two items are included in a network logical map? (Choose two.)
*naming scheme
*IP addressing scheme
length of cable runs
physical location of networking devices
specific layout of interconnections between networking devices and hosts

20. An integrated router can normally perform the functions of which two other network devices? (Choose two.)
NIC
*switch
e-mail server
application server
*wireless access point

21. What is a reason for disabling simple file sharing?
It enables the user to map a remote resource with a local drive.
It enables the user to share all files with all users and groups.
It enables the user to share printers.
*It enables the user to set more specific security access levels.



1. Which definition describes the term Internet?
a group of PCs connected together on a LAN
a group of PCs connected together by an ISP
*a network of networks that connects countries around the world
a worldwide collection of networks controlled by a single organization

2. What type of connection point is a point of presence (POP)?
between a client and a host
between two local networks
between a computer and a switch
*between an ISP and a home-based LAN

3. What is the term for the group of high-speed data links that interconnect ISPs?
Internet LAN
ISP backbone
Internet gateways
Internet providers
*Internet backbone

4. Which device can act as a router, switch, and wireless access point in one package?
hub
bridge
modem
repeater
ISR

5. What are three characteristics of business class ISP service? (Choose three.)
*fast connections
*extra web space
free Windows upgrade
cheapest cost available to all users
*additional e-mail accounts
replacement hardware at no cost

6. What is a major characteristic of asymmetric Internet service?
Download speeds and upload speeds are equal.
Download speeds are slower than upload speeds.
*Upload speeds and download speeds are different.
Upload speeds and download speeds are irrelevant.

7. Which three elements are required to successfully connect to the Internet? (Choose three.)
*an IP address
file sharing enabled
*a network connection
server services enabled
*access to an Internet service provider
an address obtained directly from the RIR

8. What term describes each router through which a packet travels when moving between source and destination networks?
NOC
ISP
*hop
segment

9. What does the tracert command test?
NIC functionality
the ISP bandwidth
*the network path to a destination
the destination application functionality

10. What type of end-user connectivity requires that an ISP have a DSLAM device in their network?
analog technology
cable modem technology
*digital subscriber line technology
wireless technology

11. Why would an ISP require a CMTS device on their network?
*to connect end users using cable technology
to connect end users using analog technology
to connect end users using wireless technology
to connect end users using digital subscriber line technology

12. Refer to the graphic. What type of cabling is shown?
STP
UTP
coax
*fiber

13. Refer to the graphic. What type of cabling is shown?
STP
*UTP
coax
fiber

14. Which two places are most appropriate to use UTP cabling? (Choose two.)
between buildings
*in a home office network
where EMI is an issue
in a cable TV network
*inside a school building
in a manufacturing environment with hundreds of electrical devices

15. What does adherence to cabling standards ensure?
data security
no loss of signal
no electromagnetic interference
*reliable data communications

16. Refer to the graphic. What type of cable is shown?
*crossover
eight coax channels
multimode fiber
single-mode fiber
straight-through

17. What connector is used to terminate Ethernet unshielded twisted pair (UTP) cabling?
ST
BNC
RJ-11
RJ-45

18. Which two characteristics describe copper patch panels? (Choose two.)
uses RJ-11 jacks
*uses RJ-45 jacks
supports only data transmissions
*allows quick rearrangements of network connections
forwards transmissions based on MAC addresses

19. What are two advantages of cable management? (Choose two.)
requires no preplanning
*aids in isolation of cabling problems
*protects cables from physical damage
provides compliance with future standards
provides a short-term solution for cable installation

20. What are two common causes of signal degradation when using UTP cabling? (Choose two.)
installing cables in conduit
*having improper termination
losing light over long distances
installing low quality cable shielding
*using low quality cables or connectors

21. What are three commonly followed standards for constructing and installing cabling? (Choose three.)
*pinouts
*cable lengths
connector color
*connector types
cost per meter (foot)
tensile strength of plastic insulator

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