CN0-201 Online Practice Questions and Answers

Harry works as a Technician for NetPerfect Inc. He has been assigned a project to connect a North American T-1 trunk to a European E-1 trunk using a conversion device.

Which of the following will result?

A. No more than 80% of the E-1 trunk can be used.

B. The connection will fail.

C. No connection can be made in between the E-1 trunk and T-1 trunk.

D. No less than 80% of the T-1 trunk can be used.

Which of the following parameters are generally used to describe quality of service for IP-based voice and video? Each correct answer represents a complete solution. Choose all that apply.

A. Jitter

B. Bandwidth

C. Latency

D. Packet loss

You want to connect three PBX units together that are at separate locations. One is in Newyork, GC.

The second is in Miami, KK, and the third is in Austin, QY.

What kind of trunk lines will you use to create the connections required?

A. CO trunks

B. ISL trunks

C. Tie trunks

D. Virtual trunks

Which of the following provide an "always on" Internet access service when connecting to an ISP? Each correct answer represents a complete solution. Choose two.

A. Analog modem

B. DSL

C. Cable modem

D. Digital modem

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. Physical layer

C. Application layer

D. Presentation layer

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

Which of the following describes the process of not transmitting information over the network when one of the parties involved in a telephone call is not speaking to reduce bandwidth consumption?

A. QoS

B. PCM

C. OFDM

D. Silence suppression

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.

Which of the following are endpoints in Cisco Unified Communications? Each correct answer represents a complete solution. Choose two.

A. Routers

B. Switches

C. Gateways

D. IP phones

Which of the following is used to connect the Foreign Exchange Station (FXS) of an ATA to an analog phone?

A. RJ-11 connector

B. USB connector

C. RJ-45 connector

D. F connector