Cisco 100-890 Certification Practice Questions & Answers

Question 6 of 60

How do digital voice networks function?

A.

The voice gateway can perform only a compression function.

B.

Both a digital signal and noise are boosted by amplifiers.

C.

Digital voice networks convert the sound waves into electrical signals that are analogous to the original sound waves.

D.

The analog signal from the telephone is digitized into PCM signals by the voice codec.

Question 7 of 60

Which product usually requires certificate validation before being used?

A.

Transport Layer Networking

B.

Transport Layer Devices

C.

Transport Layer Security

D.

Transport Layer Protocols

Question 8 of 60

Which protocol is designed to time-synchronize a network of machines?

A.

Domain Name System (DNS)

B.

Cisco Discovery Protocol

C.

Dynamic Host Configuration Protocol (DHCP)

D.

Network Time Protocol (NTP)

Question 9 of 60

What is a converged network?

A.

Each service in a converged network has its own set of rules and standards to ensure successful communication.

B.

A converged network can transmit data, voice, video, or any combination of these services, over the same networks.

C.

A converged network is also known as quadruple-play services network.

D.

A converged network can deliver data, voice, and video services with various communication channels and network structures.

Question 10 of 60

Which two applications are included as Collaboration components? (Choose two.)