CompTIA CN0-201 Online Practice Questions and Exam Preparation

CompTIA CN0-201 Online Questions & Answers

• Question 241:

  A scenario involves a pool of users with private IP addresses who need to access the Internet; however, the company has a limited number of IP addresses and needs to ensure users occupy only one public IP address. Which technology is used to allow a pool of users to share one global IP address for Internet access?

  A. Port Address Translation
  B. Per-user Address Translation
  C. Pool Address Translation
  D. Private Address Translation
  A. Port Address Translation

• Question 242:

  John works as a CCNA Voice Associate; he is working in a company that is facing the problems of Jitter, delay, and packet loss in its VoIP network. John wants to fix all these issues, but he is unable to find the main cause of these problems. Which of the following is the most likely reason for these issues?

  A. Voice VLAN is not configured.
  B. There is lack of bandwidth.
  C. The company and the service provider are located far from each other.
  D. An audio codec is wrongly configured.
  B. There is lack of bandwidth.

• Question 243:

  Which of the following is an example of a private IP address?

  A. 172.16.0.1
  B. 192.178.45.53
  C. 192.0.168.2
  D. 172.36.8.36
  A. 172.16.0.1

• Question 244:

  Which of the following attacks CANNOT be detected by an Intrusion Detection System (IDS)? Each correct answer represents a complete solution. Choose all that apply.

  A. E-mail spoofing
  B. Shoulder surfing
  C. Port scan attack
  D. Denial-of-Service (DoS) attack
  A. E-mail spoofing
  B. Shoulder surfing

• Question 245:

  You work as a technician for TechPerfect Inc. There are up to 25 telecommuters using VoIP at any given time. You want to ensure that the Web browsing performed by the valid users on your network does not interfere with the required bandwidth for VoIP communications across the Internet.

  Which of the following technologies will allow you to ensure that the users can browse the Internet while not allowing these users to thwart the operations of the telecommuters?

  A. Packet filtering
  B. Traffic policing
  C. Traffic generator
  D. Traffic shaping
  D. Traffic shaping

• Question 246:

  Which of the following commands are valid only under the POTS dial peers? Each correct answer represents a complete solution. Choose all that apply.

  A. Num-exp
  B. Preference
  C. No digit-strip
  D. Forward digits
  E. Prefix
  C. No digit-strip
  D. Forward digits
  E. Prefix

• Question 247:

  Maria works as a Network Administrator for BlueWells Inc. The company has a Windows-based network. The company has created a new network for the Sales department. Maria has been assigned a project to increase the number of devices connected in this network with ease of installation and management. She wants to provide a dedicated link to each device in order to reduce traffic on the network.

  Which of the following topologies should Maria use to accomplish the task?

  A. Tree
  B. Single node
  C. Bus
  D. Star
  D. Star

• Question 248:

  In which of the following OSI model layers does VLAN operate?

  A. Data link layer
  B. Application layer
  C. Network layer
  D. Transport layer
  A. Data link layer

• Question 249:

  Which of the following is the most significant cause of interference for Wi-Fi communications?

  A. Television equipment
  B. Radio
  C. Ipod
  D. 2.4 GHz cordless phone
  D. 2.4 GHz cordless phone

• Question 250:

  Henry works as a Sales Engineer for BlueWells Inc. Sam, a customer, has asked him to create a solution that allows an application to be shared across the internet. The solution should be

  extensible and based on industry standards. The solution should not use a proprietary protocol and the application should be delivered to multiple recipients at the same time.

  The solution should also be robust, as clients will be using the application from Macintosh, Windows, and Linux systems.

  Which of the following protocols should Henry choose to fulfill Sam's requirement?

  A. T.37
  B. T.120
  C. H .323
  D. SIP
  B. T.120