CompTIA CN0-201 Online Practice Questions and Exam Preparation

CompTIA CN0-201 Online Questions & Answers

• Question 41:

  You are increasing compression to reduce bandwidth consumption. What effect will this have on voice quality?

  A. Voice quality will fluctuate.
  B. Voice quality will remain the same.
  C. Voice quality will improve.
  D. Voice quality will deteriorate.
  D. Voice quality will deteriorate.

• Question 42:

  Which of the following can be used to perform session hijacking? Each correct answer represents a complete solution. Choose all that apply.

  A. Cross-site scripting
  B. Session fixation
  C. Session sidejacking
  D. ARP spoofing
  A. Cross-site scripting
  B. Session fixation
  C. Session sidejacking

• Question 43:

  You work as a Network Administrator for NetTech Inc. The company has a wireless local area network (WLAN). You want to prevent your wireless access point from being accessed by intruders.

  What will you do to accomplish the task?

  A. Implement WEP.
  B. Implement IPSec.
  C. Implement auditing.
  D. Implement SSL.
  A. Implement WEP.

• Question 44:

  Which of the following services translates private network addresses into public ones?

  A. DNS
  B. NAT
  C. DHCP
  D. WINS
  B. NAT

• Question 45:

  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
  C. ISDN PRI

• Question 46:

  Which of the following voice codec ratings provides a representation of perceived quality from a human perspective?

  A. IntServ
  B. MOS
  C. QoS
  D. DiffServ
  B. MOS

• Question 47:

  Which of the following applications provides an ACD service for a Cisco VoIP network?

  A. Automated Attendant
  B. Cisco Unified Contact Center
  C. UC500
  D. Cisco Unified Mobility
  B. Cisco Unified Contact Center

• Question 48:

  Which of the following is NOT an element of a Call Detail Record (CDR)?

  A. Caller
  B. Amount billed
  C. Duration
  D. IP address of calling host
  D. IP address of calling host

• Question 49:

  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)
  B. Contention Window (CW)

• Question 50:

  Which of the following codecs mostly produces the highest quality sound?

  A. G.726
  B. G.722
  C. G.727
  D. G.711
  B. G.722