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Code d'Examen: CN0-201
Nom d'Examen: CompTIA (CompTIA CTP+ Certification Exam)
Questions et réponses: 302 Q&As

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NO.1 Which of the following ITU standards specifies PCM voice coding at 64 kbps?
A. G.726
B. G.728
C. G.729
D. G.711
Answer: D

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NO.2 Youwork as a NetworkAdministrator for McNeil Inc.Thecompany hasa TCP/IP-based network.
Performance of the network is slow because of heavy traffic.A hub is used as a central connectingdevice
in the network. Which of the following devices can be used in place of a hub to control thenetwork traffic
efficiently?
A. Repeater
B. Router
C. Switch
D. Bridge
Answer: C

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NO.3 Andrewis working for a television station in NorthAmerica and South America. What video standardis
more possibly be used with the video stored in the archives of these stations?
A. PAL
B. NTSC
C. SECAM
D. IEEE 1394
Answer: B

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NO.4 H.323 is a group of protocols defined by the International Telecommunication Union for multimedia
conferences over Local Area Networks. H.323 uses ASN.1 binary code. Which of the following layers of
the OSI model is responsible for translating, processing, and reading ASN.1 and ASCII messages?
A. Transport layer
B. Application layer
C. Physical layer
D. Presentation layer
Answer: D

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NO.5 Voice over IP is an application that requires efficient use of bandwidth and reliability. VoIP must not
suffer the delays that can be seen at times with Web sites and Web applications. Which technology can
be used to help ensure the efficient transport of VoIP traffic?
A. RTP
B. QoS
C. DNS
D. RSTP
Answer: B

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NO.6 You have just set up a wireless network for customers at a coffee shop. Which of the following are
good security measures to implement?
Each correct answer represents a complete solution. Choose two.
A. Not broadcasting SSID
B. MAC filtering the router
C. Using WEP encryption
D. Using WPA encryption
Answer: CD

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NO.7 When a phoneislifted off-hook, it connects the two wires causing an electrical signal to flowfromthe
phone exchange to thephone. What is this electrical signal called?
A. Off-hook signal
B. Ground start signal
C. Loop start signal
D. On-hook signal
Answer: C

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NO.8 Which of the following devices is used to make decisions based on MAC addresses and is considered
the most appropriate device to use when limiting broadcast domains for devices that will process voice
data?
A. Layer 3 switch
B. Repeater
C. Layer 2 switch
D. MCU
Answer: C

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NO.9 Rick, an administrator of a TCP/IP network, wants to achieve the following goals: l Reduce congestion
of network traffic. l Optimize the utilization of the IP address space.
Which of the following technologies may help him to accomplish the task?
A. Pinging
B. Supernetting
C. Routing
D. Subnetting
Answer: D

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NO.10 Which of the following devices is used to create VLANs in a small network?
A. Repeater
B. Switch
C. Hub
D. Bridge
Answer: B

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NO.11 Which of the following is an audio data compression algorithm for voice that compresses digital voice
in packets of 10 milliseconds duration?
A. G.711
B. H.320
C. H.323
D. G.729
Answer: D

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NO.12 You work as a network consultant for Net World International. You are designing a network for a client
company. The proposed network will use a class B address for its network. The network will be divided
into thirty-two subnets. Which of the following subnet masks will you use to design the network?
A. 255.255.252.0
B. 255.252.0.0
C. 255.255.248.0
D. 255.248.0.0
Answer: A

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NO.13 Which of the following are examples of interactive communication?
Each correct answer represents a complete solution. Choose all that apply.
A. Video Conferencing
B. E-mail
C. Fax
D. Phone call
Answer: AD

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NO.14 Which of the following is a mechanism used by the Multimedia Extensions (WME) standard to avoid
contentions in a particular traffic category?
A. Sliding Window Protocol
B. Contention Window (CW)
C. Auto-Rate Fallback
D. Maximum Segment Size (MSS)
Answer: B

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NO.15 Which of the following protocols provides sequence numbers to VoIP packets?
A. TCP
B. RTP
C. UDP
D. SCCP
Answer: B

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NO.16 Adam works as a Sales Engineer for Umbrella Inc. One of his customers complains that the PBX is
getting reset several times in a day. Adam finds that the power LEDs of PBX are fluttering. He suspects
that faulty power supply is the cause of this problem. Which of the following troubleshooting tools should
Adam use to verify these suspicions?
A. Continuity tester
B. Line tester
C. Volt meter
D. T-BERD 4000
Answer: C

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NO.17 Which of the following statements are true about session hijacking?
Each correct answer represents a complete solution. Choose all that apply.
A. Use of a long random number or string as the session key reduces session hijacking.
B. It is used to slow the working of victim's network resources.
C. TCP session hijacking is when a hacker takes over a TCP session between two machines.
D. It is the exploitation of a valid computer session to gain unauthorized access to information or services
in a computer system.
Answer: ACD

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NO.18 Which of the following protocols is used by VoIP applications for communication initiation in the
network?
A. TLS
B. NTP
C. SIP
D. SSH
Answer: C

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NO.19 Which of the following are endpoints in Cisco Unified Communications?
Each correct answer represents a complete solution. Choose two.
A. Switches
B. Routers
C. Gateways
D. IP phones
Answer: CD

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NO.20 Which of the following layers of the OSI model managescommunication between
communicationentities in a network?
A. Presentation
B. Network
C. Transport
D. Session
E. Application
Answer: D

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Code d'Examen: JK0-U11
Nom d'Examen: CompTIA (CompTIA Strata Fundamentals of PC Functionality Exam)
Questions et réponses: 114 Q&As

Code d'Examen: JK0-017
Nom d'Examen: CompTIA (CompTIA E2C Project+ Certification Exam)
Questions et réponses: 402 Q&As

Code d'Examen: CN0-201
Nom d'Examen: CompTIA (CompTIA CTP+ Certification Exam)
Questions et réponses: 302 Q&As

Code d'Examen: SK0-003
Nom d'Examen: CompTIA (CompTIA Server+ Certification Exam)
Questions et réponses: 436 Q&As

Code d'Examen: FC0-TS1
Nom d'Examen: CompTIA (CompTIA Strata IT for Sales )
Questions et réponses: 129 Q&As

Code d'Examen: FC0-GR1
Nom d'Examen: CompTIA (CompTIA Strata Green IT Exam)
Questions et réponses: 85 Q&As

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NO.1 Which of the following will allow multiple operating systems to run on one workstation?
A. FireWire
B. KVM
C. Virtualization
D. Terminal servers
Answer: C

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NO.2 Which of the following would a company implement to help reduce the cost of electricity?
A. Shutdown/power policies
B. Redundant power supplies
C. Use optical mice
D. Social engineering policy
Answer: A

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NO.3 Which of the following standard symbols signifies that a packaged item was produced using
hazardous materials industry guidelines?
A. Energy Star
B. Energy Star 2.0
C. PCI-E
D. RoHS
Answer: D

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NO.4 A small business currently has four separate servers, three of which perform low-overhead tasks with
small memory footprints. How could the company BEST reduce power consumption among these four
servers, while not sacrificing functionality?
A. Enable each server's Cool 'n' Quiet and/or SpeedStep functionality so that processing power is
conserved.
B. Enforce auto-shutdown routines on all four servers for after-hours power saving while the office is
closed.
C. Consolidate the four servers onto the best two, combining them logically by tasks and memory
consumption.
D. Consolidate the four servers onto the most powerful machine using virtualization.
Answer: D

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NO.5 A small business currently has a server room with a large cooling system that is appropriate for its size.
The location of the server room is the top level of a building. The server room is filled with incandescent
lighting that needs to continuously stay on for security purposes. Which of the following would be the
MOST cost-effective way for the company to reduce the server rooms energy footprint?
A. Replace all incandescent lighting with energy saving neon lighting.
B. Set an auto-shutoff policy for all the lights in the room to reduce energy consumption after hours.
C. Replace all incandescent lighting with energy saving fluorescent lighting.
D. Consolidate server systems into a lower number of racks, centralizing airflow and cooling in the room.
Answer: C

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NO.6 A user reports that their cell phone battery is dead and cannot hold a charge. Which of the following
should be done when disposing of the old battery?
A. Recycle the battery.
B. Store the battery.
C. Place battery in a sealed plastic bag.
D. Disassemble the battery.
Answer: A

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NO.7 A company would like to dispose of old toner units. Which of the following would be the MOST
appropriate course of action to take?
A. Use an approved recycling program either through a vendor or local government agency.
B. Old toner disposal is the responsibility of the manufacturer. Call the appropriate number at the
respective company.
C. Toss the units into the trash. Toner cartridges are biodegradable.
D. Clean out the toner cartridges with warm water and place the clean units into the recycling collection.
Answer: A

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NO.8 A large company has over 500 computers that currently stay powered on indefinitely. None of the
systems are used after the company closes at 5 p.m. Which of the following would be the MOST effective
way for the company to save on electricity usage?
A. Set the computers for automatic log-off after one hour of inactivity.
B. Institute a policy of either shutdown or sleep mode an hour after close.
C. Turn on the Wake on LAN functionality for all computers.
D. Schedule all patching to be done during work hours.
Answer: B

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NO.9 Which of the following would allow a company to conserve energy and still provide a functional service
to its employees?
A. Configure all workstations with higher RPM fans
B. Use CRTs instead of LCD monitors
C. Use NAS to reduce the number of file servers
D. Configure all printers to print on single-side with low resolution
Answer: C

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NO.10 Which of the following can conserve energy in a server room?
A. Sealing all potential cold air leaks
B. Installing additional cooling fans
C. Setting the temperature lower
D. Replacing the UPS with a generator
Answer: A

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NO.11 Which of the following technologies can save server space and cooling requirements?
A. Energy star ratings
B. Active solar panels
C. Network storage array
D. Blade servers
Answer: D

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NO.12 A large company would like to roll out thin clients to all retail terminals on its next upgrade. Which of
the following are potential risks of this IT plan?
A. Power consumption; thin clients use more energy than comparable workstations and therefore have a
larger energy footprint.
B. Single point of failure; if the thin client server goes down all machines are without functionality.
C. Centralized administration; IT staff cannot rely on localized group policy settings.
D. High cost of terminals; compared to traditional workstations, thin clients are very expensive and require
more maintenance.
Answer: B

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NO.13 Which of the following needs to be recycled due to dangerous amounts of gas contained inside its
housing?
A. CRT
B. Toner
C. Surge suppressor
D. LCD
Answer: A

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NO.14 Which of the following methods effectively removes data from a hard drive prior to disposal? (Select
TWO).
A. Use the remove hardware OS feature
B. Formatting the hard drive
C. Physical destruction
D. Degauss the drive
E. Overwriting data with 1s and 0s by utilizing software
Answer: CE

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NO.15 A corporation plans to replace older office PCs with energy efficient personal computers in their 24 hour
help desk department. Which of the following would be the BEST choice?
A. Tablet notebooks with LCD monitors
B. Thin clients with LCD monitors
C. Thin clients with CRT monitors
D. Notebook computers with LCD monitors
Answer: B

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NO.16 Which of the following terms is used when printing data on both the front and the back of paper?
A. Scaling
B. Copying
C. Duplex
D. Simplex
Answer: C

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NO.17 The power saving state in which a computer cuts power to all its unneeded parts and copies the RAM
content to the hard drive is called:
A. hibernate.
B. shutdown.
C. sleep.
D. hypervisor.
Answer: A

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NO.18 A bank runs 50 workstations and would like to decrease its electricity costs, while not sacrificing
functionality. All of the workstations are high-end performance units that are intended to be used for
CAD-like applications. Analysts benefit from the added performance, but tellers and associates could use
more minimalist systems. Which of the following methods would decrease the banks electricity and
hardware costs?
A. Swap all teller and associate machines with servers.
B. Swap all teller and associate machines with thin clients.
C. Swap all teller and associate machines with low-profile high-end workstations.
D. Swap all teller and associate machines with laptops.
Answer: B

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NO.19 Which of the following is the recommended disposal method for used computers?
A. Trash can
B. Burial
C. Recycling center
D. Storage shed
Answer: C

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NO.20 Which of the following technologies allows a single piece of hardware to host multiple operating
systems simultaneously?
A. Virtualization
B. SMTP servers
C. ThinNet clients
D. Terminal servers
Answer: A

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