CN0-201 Online Practice Questions and Answers

Which of the following have the specifications that a VLAN has? Each correct answer represents a complete solution. Choose two.

A. Broadcast domain

B. Collision domain

C. Intranet VPN

D. IP subnet

Which of the following are types of Digital Subscriber Line (DSL)? Each correct answer represents a complete solution. Choose two.

A. NDSL

B. SDSL

C. ADSL

D. BDSL

You are a Voice Technologies Administrator and connecting a VoIP network to the PSTN. You are using

E.164 standard address for your telephone system.

Which of the following are the components of E.164 numbering plan? Each correct answer represents a part of the solution. Choose three.

A. Subscriber number

B. Country code

C. IP address

D. National destination code

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

John works as a Sales Engineer for KBC Inc. He has been assigned a project to install a soft phone on different computers. One of the computer systems on the LAN is experiencing problems in voice quality.

Which of the following actions should John perform to resolve the problem?

A. Add more system RAM.

B. Upgrade the network cable to category 6 cabling.

C. Upgrade the computer system.

D. Upgrade the Network Interface Card (NIC).

Mark works as a Network Administrator for PassGuide Inc. The company has a Windows-based network. The California branch of PassGuide has been divided into two buildings in the same campus. The company wants to interconnect these two buildings for proper communication among all the departments.

Which of the following network types should Mark use to accomplish the task?

A. CAN

B. LAN

C. MAN

D. WAN

John works as a Network Administrator for NetPerfect Inc. The company has a Windows-based network. John has been assigned a project to build a network for the sales department of the company. It is important for the LAN to continue working even if there is a break in the cabling.

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

A. Mesh

B. Bus

C. Star

D. Ring

Which of the following techniques allows multiple computers to share one or more IP addresses?

A. WINS

B. DNS

C. DHCP

D. NAT

Andrea works as a Technical Representative for KBC Inc. The company has provided two PBXs of different manufacturers to Andrea and she wants to connect these PBXs and ensure that these interconnected PBXs retain their basic and supplementary services.

Which of the following protocols should Andrea use to accomplish the task?

A. H.450

B. Q.931

C. QSIG

D. H.225.0

Which of the following is the most important element to verify while designing an SIP implementation for an existing network?

A. Fire-grade cabling

B. QoS

C. Fault tolerance

D. Web server