100-890 Online Practice Questions and Answers

Which command shows the status of power supplies and sensor temperatures?

A. show hardware

B. show module

C. show environment

D. show diag

Which Collaboration Room system is recommended for more than 14 people?

A. Cisco Webex Room Kit

B. Cisco Webex Room Kit Pro

C. Cisco Webex Room USB

D. Cisco Webex Room Kit Plus

E. Cisco Webex Room Kit Mini

What is the purpose of Intelligent Proximity?

A. Speaker tracking

B. Camera control

C. Presenter tracking

D. Content sharing

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

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

Which two protocols are peer-to-peer signaling protocols where the end devices contain the intelligence to initiate and terminate calls and interpret call control messages? (Choose two )

A. H.248

B. SCCP

C. H.323

D. SIP

E. MGCP

After replacing a Webex endpoint device codec, which three common tasks should be performed for operation verification? (Choose three )

A. Camera operation

B. Turn volume lo maximum output

C. Test call

D. Content sharing

E. Network connection speed test

F. Adjust display settings

How can converged networks be described?

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

B. A converged network can deliver data voice and video services with various communication channels and network structure

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

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

From the Diagnostics page, which two alerts are clearly marked red? (Choose two )

A. Out of service

B. Errors

C. Blockage

D. Critical

E. Warning

When completing the remedial procedures on the Cisco Webex DX80. an option key is required (or activating optional functionality such as MultiSite. Which two types of information does the customer administrator need to transfer the license and generate the option key? (Choose two)

A. DX80 part number

B. customer license account number

C. Current option key

D. serial numbers of the new DX80 and the replaced DX80

E. RMA number

How can Quality of Service be described?

A. Speed is the maximum amount of Information in bits per second that can be transmitted across a network

B. Relay is the finite amount of time that it takes a packet to reach the receiving endpoint after being transmitted from the sending endpoint

C. Packet loss is a relative measure of the number of packets that were not received compared to the total number of packets transmitted

D. Latency is the difference in the end-to-end delay between packets

Which device controls the Webex Room Panorama 70?

A. Cisco Touch 10 control unit

B. Cisco remote control

C. Smartphone

D. computer

Which command is less technical for "latency"?

A. nslookup

B. ping

C. netstat -a

D. traceroute

In an Enterprise VoIP Telephony network, how does the Osco Unified Communications Manager function?

A. as a media switched telephone network device

B. as a packet telephony network device

C. as a circuit-switched telephone network device

D. as a public switched telephone network device

Refer to the exhibit.

Which component can be found in the Cisco Webex Room 70D system left screen Host CPU Screen control unit POU Codec?

A. Host CPU

B. Screen control unit

C. PDU

D. Codec

Cisco provides a factory reset option on every IP phone model 'or phone recovery and troubleshooting. Which key on the phone should be pressed and held when plugging in the phone power to start the 7800 or 8800 series IP phone reset process?

A. # key

B. Programmable feature button

C. Settings button

D. * key