CN0-201 Online Practice Questions and Answers

Which of the following are examples of interactive communication? Each correct answer represents a complete solution. Choose all that apply.

A. Video Conferencing

B. E-mail

C. Fax

D. Phone call

Which of the following VTP modes cannot make any changes to the VLAN database?

A. VTP client

B. VTP server

C. VTP transparent

D. VTP administrator

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

Power over Ethernet (PoE) technology describes a system to safely pass electrical power, along with data, on Ethernet cabling.

What are the advantages of Power over Ethernet?

A. Asymmetric distribution is possible.

B. Symmetric distribution is possible.

C. PoE supports cheap cabling.

D. A Gigabit of data per second to every device is possible.

Which of the following common IP services allows a customer to connect to the Internet with the help of private IP addressing?

A. DNS

B. NDIS

C. NAT

D. DHCP

Which of the following are examples of interactive communication? Each correct answer represents a complete solution. Choose all that apply.

A. Phone call

B. Fax

C. Video Conferencing

D. E-mail

QoS (Quality of service) is the ability of the network to provide better or special service to a set of users and applications at the expense of other users and applications. QoS is deployed for network enhancement.

Which of the following is NOT affected by QoS?

A. Variable delay

B. Fixed delay

C. Packet loss

D. Jitter

According to the G.711 codec, how many analog samples occur per second during Pulse Code Modulation (PCM)?

A. 9000

B. 8000

C. 10,000

D. 7000

Which of the following T.120 recommendations includes multipoint communication service?

A. T.122

B. T.121

C. T.123

D. T.124

Which of the following is an R value that indicates testers are satisfied with a call over a wireless connection?

A. 50

B. 91

C. 5

D. 21