CCNA 1 Module 2 Exam Result

CCNA 3.1 Semester 1 Module 2 Exam Result at 89.7% (use ctrl+F to faster the searching)

1. 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

2. 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

3. Refer to the exhibit. Which column shows the correct sequence of OSI model layers?

A
B
C
*D

4. 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

5. Which layer of the OSI model provides network services to processes in electronic mail and file transfer programs?

data link
transport
network
*application

6. Which of the following are ways that bandwidth is commonly measured? (Choose three.)

GHzps
*kbps
*Mbps
Nbps
MHzps
*Gbps

7. 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

8. Which term describes the process of adding headers to data as it moves down OSI layers?

division
encoding
separation
segmentation
*encapsulation

9. 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.

10. Refer to the following list. Choose the correct order of data encapsulation when a device sends information.
segments
bits
packets
data
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

11. 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

12 What is the term used to describe the transport layer protocol data unit?

bits
packets
*segments
frames
data streams

13 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

14 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

15 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

16 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.

17 Which of the following are layers of the TCP/IP model? (Choose three.)

*Application
Physical
*Internet
*Network Access
Presentation

18 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.

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CCNA 1 Module 3 Exam Result

CCNA 3.1 Semester 1 Module 3 Exam Result at 100% (use ctrl+F to faster the searching)

1 What are two advantages of using UTP cable in a networking environment? (Choose two.)

is stiffer than STP
*is less expensive than fiber
*is easier to install than coaxial
provides longer distances than coaxial provides
is less susceptible to outside noise sources than fiber is

2 What are two advantages of using fiber-optic cabling instead of UTP? (Choose two.)
lower cost

easer to install
*allows longer distances
*less effected by external signals
easier to terminate the cable ends

3 What is the difference between a wireless NIC and an Ethernet NIC?

The Ethernet NIC operates at 100 Mbps, whereas a wireless NIC operates at 10 Mbps.
The Ethernet NIC uses a PCI expansion slot, and a wireless NIC cannot use an expansion slot.
The wireless NIC uses CSMA/CA, whereas a Ethernet NIC uses token passing as an access method.
*The wireless NIC associates to an access point, and an Ethernet NIC attaches to a hub or switch using a cable.
The Ethernet NIC attaches to a hub or a switch using only fiber cabling, and a wireless NIC attaches to a wireless antenna using air as a network medium.

4 Refer to the exhibit. The JacksCo is a small start-up company that took over an office space from another small company that closed. The older company left a room of network equipment behind. An inventory list is shown. As the newly hired network technician, you have been asked to determine which components in the storeroom would be best to use to install a small wireless LAN that currently only needs the employees to be able to share data. Note that the wireless LAN also needs to connect to an existing wired LAN. Which components should you choose?

access point and wireless NICs
*wireless NICs, access point, straight-through cables, and a switch
hub, wireless NICs, two wireless bridges, crossover cables, and an access point
wireless NICs, Ethernet NICs, a switch, an external modem, two wireless bridges
Ethernet NICs, wireless NICs, switch, hub, two wireless bridges, straight-through cables, crossover cables, and a router

5 A company is converting a cabled LAN to a wireless Ethernet LAN. What must be changed on every host on the network?

No changes are required.
Each host will require a new IP address.
*Each host will require an appropriate NIC or adapter.
Each host will require that the operating system be upgraded.

6 Refer to the exhibit. Which answer correctly identifies the pinout of the UTP cables labeled Cable A, Cable B, and Cable C?

A=straight, B=rollover, C=crossover
A=rollover, B=crossover, C=straight
A=crossover, B=straight, C=straight
*A=crossover, B=straight, C=rollover
A=straight, B=crossover, C=rollover
A=rollover, B=straight, C=crossover

7 What factors should be considered when selecting the appropriate cable for connecting a PC to a network? (Choose two.)

type of system bus
motherboard model
*distance of cable run
*speed of transmission
computer manufacturer

8 Select the characteristics specified by 10BaseT. (Choose three.)

*twisted pair cable
T style connectors
*baseband transmission
10 gigabits per second data rate
*10 megabits per second data rate
decimal encoded data transmission

9 When is a straight-through cable used in a network?

when configuring a router
when connecting a host to a host
*when connecting a switch to a router
when connecting one switch to another switch

10 What type of cable is used to make an Ethernet connection between a host and a LAN switch?

console
rollover
crossover
*straight-through

11 Which of the following are used for data communication signals? (Choose three.)

*light patterns
*electrical voltages
controlled air pulses
mixed media impulses
magnetized fluid wave
*modulated electromagnetic waves

12 What does UTP cable rely on to reduce signal degradation caused by EMI and RFI?

shielding
magnetism
*cancellation
insulation
properly grounded connections
RJ-45 connectors

13 Refer to the exhibit. What type of cable connects the two routers together without any intermediary device?

console
rollover
*crossover
straight-through

14 Which Ethernet implementation requires the signal on the media to be boosted at a maximum distance of 100 meters?

10BASE2
10BASE5
*100BASE-T
100BASE-FX
1000BASE-CX

15 Which cable connectors are used to connect a cable from a router's console port to a PC? (Choose two.)

RJ-11
RJ-12
*RJ-45
DB-8
*DB-9
DB-10

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CCNA 1 Module 4 Exam Result

CCNA 3.1 Semester 1 Module 4 Exam Result at 100% (Use ctrl+F for faster search)

1 A company needs to extend the LAN to six separate buildings. To limit the amount of signal attenuation on the LAN media, what type of media would be the best to use between the buildings?

air (wireless)
coaxial cable
*fiber
shielded twisted pair
unshielded twisted pair

2 Which of the following are detected by the wire map test? (Choose three.)
near-end crosstalk (NEXT)

*opens
propagation delay
return loss
*reversed-pair faults
*short circuits

3 What is a cause of crosstalk in UTP cable?

cable pairs that are shorted
cable pairs crossed during termination
cabling runs installed in separate conduit
*cable pairs that are untwisted because of poor termination of the cable

4 A small company is experiencing difficulties on its LAN. After performing some tests, a technician has determined that the copper media supporting the LAN is experiencing abnormal attenuation. What are two possible causes of the problem? (Choose two.)

*defective connectors
*excessively long cable lengths
use of higher grade cabling
low frequency signals used in the media
network cable runs isolated from other cables

5 How are binary ones and zeros represented in fiber optic installations? (Choose two.)

+5 volts/-5 volts
0 volts/5 volts
*light/no light
high to low electrical transition
low to high electrical transition
*increasing/decreasing light intensity

6 What factors need to be considered to limit the amount of signal attenuation in Ethernet cable runs? (Choose two.)

type of users
number of users
*length of cable
type of electrical equipment
*installation of connectors on the cable

7 To ensure reliable LAN communications, what should a technician be looking for when attaching connectors to the ends of UTP cable?

that the white-orange/orange pair is attached first
*that the wire pairs remain twisted as much as possible
that one end of the shield is properly ground but not the other
that 50 ohm termination resistors are on both ends

8 Which of the following describes frequency?

length of each wave
height of each wave
*number of cycles each second
amount of time between each wave

9 What conditions are described when transmission signals from one wire pair affects another wire pair? (Choose two.)

*noise
resistance mismatch
jitter
*crosstalk
attenuation

10 What is expected when crosstalk is present in networks with higher transmission frequencies? (Choose two.)

jitter
*increase in crosstalk
higher signal attenuation
increases in cancellation effect
*destruction of more of the data signal

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CCNA 1 Module 5 Exam Result

CCNA 3.1 Semester 1 Module 5 Exam Result 100 % (use ctrl+F for faster search)

1 Refer to the exhibit. What is the appropriate cable to use at each of the numbered network connections?

1-crossover; 2-straight-through; 3-crossover; 4-straight-through
1-straight-through; 2-crossover; 3-straight-through; 4-straight-through
1-straight-through; 2-crossover; 3-crossover; 4-straight-through
*1-rollover; 2-crossover; 3-straight-through; 4-straight-through
1-rollover; 2-straight-through; 3-straight-through; 4-straight-through

2 Which two devices are considered OSI Layer 1 devices? (Choose two.)

*hubs
routers
bridges
switches
*repeaters

3 What device is used to connect hosts to an Ethernet LAN and requires a straight-through UTP cable between the hosts and this device?

NIC
router
*switch
server

4 What is the most common type of cabling used in LANs?

STP
*UTP
coax
fiber

5 In which situations would a crossover cable be used to connect devices in a network? (Choose two.)

switch to PC
*switch to hub
switch to router
switch to server
*switch to switch

6 Refer to the exhibit. How many collision domains exist in the network?

1
*2
4
7
8

7 What type of cable would be used to make the connection between the console port of a router and a workstation?

crossover
*rollover
straight-through
patch

8 Which function is a unique responsibility of the DCE devices shown in the exhibit?

transmission of data
reception of data
*clocking for the synchronous link
noise cancellation in transmitted data

9 Which address does a bridge use to make filtering and switching decisions?

source MAC
source IP
*destination MAC
destination IP
network IP address

10 What is characteristic of the operation of a hub?

selectively drops packets that represent potential security risks
*forwards a frame out all interfaces except the inbound interface
based on IP address, dynamically learns the interfaces to which all devices are attached
upon power on, queries the devices on all interface to learn the MAC addresses of the attached devices
transmits a frame to the specific interface to which the device with the MAC destination address is attached

11 Users with systems that are attached to a hub are complaining about poor response time. What device could replace the hub and provide immediate response time improvement?

router
*switch
bridge
repeater

12 Which of the following are benefits of peer-to-peer networks? (Choose three.)

centralized security
*easy to create
very scalable
*no centralized equipment required
*centralized administrator not required
centralized control of assets

13 Which statement is accurate about a WAN link?

*The link transmits data serially.
The link uses a maximum distance of 100 meters.
The link uses the same transmission rate as all other WAN links use.
The link uses the same standardized connector style that is used for all WAN technologies.

14 Which items in the exhibit are DTE devices?

A and B
B and C
C and D
*A and D
A, B, C, and D

15 At which layer of the OSI model does the MAC address of a NIC reside?

physical
application
network
transport
*data link
session

16 Refer to the exhibit. A technician measured the lengths of the CAT 5e structured cable runs in the exhibit. How should the technician evaluate the cabling shown in the diagram to the network administrator?

All cabling to work areas are within specifications.
Station A and B may experience intermittent problems because the length exceeds the recommended standard.
*Station B may experience intermittent problems because the length exceeds the recommended standard.
Station C may experience intermittent network connectivity because the length is less than the recommended standard.
Station A and B will have intermittent problems because the length exceeds the recommended standard.
Station C will not have network connectivity because the length is less than the recommended standard.

17 Which statement describes a typical use of Gigabit Ethernet?

to provide high-speed desktop connectivity for average users
to provide connectivity to low to medium volume applications
to provide medium volume connectivity to workgroup servers
*to provide high-speed connectivity for backbones and cross connects

18 The ends of a UTP cable are shown in the exhibit. Which cable configuration is shown?

crossover
rollover
reversed-pair
*straight-through
split-pair
console

19 The ends of a UTP cable are shown in the exhibit. Which cable configuration is shown?

console
*crossover
rollover
reversed-pair
split-pair
straight-through

20 Which of the following are benefits of a wireless network? (Choose two.)

higher data speeds
better security
*mobility
less expensive NIC cards

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CCNA 1 Module 6 Exam Result

CCNA 3.1 Semester 1 Module 6 Exam Result met 100 % (use ctrl+F for faster search)

1 Refer to the exhibit. Host A is communicating with host F. What happens to a frame sent from host A to host F as it travels over the Ethernet segments?
*The frame format remains the same across each Ethernet segment.

2 How many hexadecimal digits are in a MAC address?
*12

3 What are three functions of a NIC in a PC? (Choose three.)
*A NIC connects the PC to the network media.
*A NIC detects collisions on the Ethernet segment.
*A NIC passes the contents of selected frames to the upper OSI layers.

4 At what layer of the OSI model does a MAC address reside?
*2

5 A router has an Ethernet, Token Ring, serial, and ISDN interface. Which interfaces will have a MAC address?
*Ethernet and Token Ring interfaces

6 In an Ethernet LAN, how does the NIC know when it can transmit data?
*An Ethernet NIC transmits data after listening for the absence of a signal on the media.

7 Which characteristics describe carrier sense multiple access collision detect (CSMA/CD)? (Choose three.)
*nondeterministic
*collision environment
*first-come, first-served approach

8 Which two devices can provide full-duplex Ethernet connections? (Choose two.)
*NIC
*Layer 2 switch

9 On a local area network, one workstation can send data on the line while it is receiving data. What type of data transfer does this describe?
*full duplex

10 Refer to the exhibit. The small office network shown in the exhibit consists of four computers connected through a hub. Which configuration would cause collisions and errors on the network? *administratively configured full duplex

11 Refer to the exhibit. The switch and workstation are administratively configured for full-duplex operation. Which statement accurately reflects the operation of this link?
*No collisions will occur on this link.

12. Refer to the exhibit. All hosts are in listen mode. Host 1 and Host 4 both transmit data at the same time. How do the hosts respond on the network? (Choose two.)
*After the end of the jam signal, Hosts 1, 2, 3, and 4 invoke a backoff algorithm.
*If a host has data to transmit after the backoff period of that host, the host checks to determine if the line is idle, before transmitting.

13. When a collision occurs in a network using CSMA/CD, how do hosts with data to transmit respond after the backoff period has expired?
*The hosts return to a listen-before-transmit mode.

14 Which statement describes how CSMA/CD on an Ethernet segment manages the retransmission of frames after a collision occurs?
*The devices transmitting when the collision occurs DO NOT have priority for retransmission.

15 Refer to the exhibit. A technician wants to increase the available bandwidth for the workstation by allowing the switch and the NIC on the workstation to transmit and receive simultaneously. What will permit this?
*full-duplex

16 Why do hosts on an Ethernet segment that experience a collision use a random delay before attempting to transmit a frame?
*A random delay helps prevent the stations from experiencing another collision during the transmission.

17 In which two layers of the OSI model does Ethernet function? (Choose two.)
*data link
*physical

18 Which of the following are specified by IEEE standards as sublayers of the OSI data link layer? (Choose two.)
*Logical Link Control
*Media Access Control

19 Where does the MAC address originate?
*burned into ROM on the NIC card

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