CompTIA CompTIA CTT+ CN0-201 Questions & Answers

• Question 131:

  Which of the following types of firewall ensures that the packets are part of the established session?

  A. Application-level firewall

  B. Circuit-level firewall

  C. Switch-level firewall

  D. Stateful inspection firewall

  Correct Answer: D

• Question 132:

  Andrew has received a call from a user on a land line indicating that she cannot place calls with her VoIP softphone, but she can check her e-mail.

  What is the first step that Andrew should take to resolve this problem?

  A. Instruct her to ping the call manager.

  B. Log the problem.

  C. Execute the ipconfig command on her PC.

  D. Execute ping command on her PC.

  Correct Answer: B

• Question 133:

  John works as a Voice Technologies Administrator in PassGuide.com. He configured a PBX system for his company. Now, he is facing problems related with Call setup, routing and management. The PBX system has some cards to provide call distribution functions properly.

  Which of the following cards will John check to resolve this problem?

  A. Control complex card

  B. Flash card

  C. Line card

  D. Trunk card

  Correct Answer: A

• Question 134:

  Flow based QoS tools automatically recognize flows. On which of the following things, this flow recognition is based? Each correct answer represents a part of the solution. Choose three.

  A. Port numbers

  B. Source and destination address

  C. MAC address

  D. Transport layer protocol

  Correct Answer: ABD

• Question 135:

  You work as a Voice Technologies Administrator for PassGuide. Your job is to manage and troubleshoot the problems related with the VoIP networks.

  Which of the following allows a VoIP network to transmit multiple conversations over a single, four wire path?

  A. Compression of voice samples

  B. Fast Link Pulse

  C. Quantization

  D. Time Division Multiplexing

  Correct Answer: D

• Question 136:

  Which of the following protocols provides sequence numbers to VoIP packets?

  A. TCP

  B. RTP

  C. UDP

  D. SCCP

  Correct Answer: B

• Question 137:

  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

  Correct Answer: D

• Question 138:

  Session Border Controllers (SBCs) commonly maintain full session state.

  Which of the following functions are offered by a Session Border Controller? Each correct answer represents a complete solution. Choose all that apply.

  A. Availability

  B. Security

  C. Statistics

  D. Quality of service

  E. Connectivity

  F. Regulatory

  Correct Answer: BCDEF

• Question 139:

  Adam works as a Technician for PassGuide Inc. He has been asked to recommend an appropriate network bandwidth for a medium to large business. The company will use it for the IP phones, as well as for the data connection.

  Which of the following would Adam recommend?

  A. DS1

  B. ISDN BRI

  C. ISDN PRI

  D. DS0

  Correct Answer: C

• Question 140:

  Which of the following statements are true about spoofing and session hijacking? Each correct answer represents a complete solution. Choose all that apply.

  A. Session hijacking is an attack in which an attacker takes over the session, and the valid user's session is disconnected.

  B. Session hijacking is an attack in which an attacker takes over the session, and the valid user's session is not disconnected.

  C. Spoofing is an attack in which an attacker can spoof the IP address or other identity of the target but the valid user can be active.

  D. Spoofing is an attack in which an attacker can spoof the IP address or other identity of the target and the valid user cannot be active.

  Correct Answer: BC