[Oct-2022] The Best CCT Collaboration Study Guide for the 100-890 Exam [Q20-Q37]

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[Oct-2022] The Best CCT Collaboration Study Guide for the 100-890 Exam

100-890 certification guide Q&A from Training Expert BraindumpStudy

Q20. Drag and drop the sizes from the left onto the availability for Webex Board on the right Not all sizes are used

Q21. Which VoIP network component provides Call Admission Control (CAC), bandwidth control and management, and address translation?

Gatekeeper

Multipoint Control Unit

Gateway

IP Phone

Explanation
Gatekeeper: A gatekeeper provides Call Admission Control (CAC), bandwidth control and management, and address translation.
http://what-when-how.com/cisco-voice-over-ip-cvoice/voip-fundamentals-introducing-voice-over-ip-networks-p

Q22. 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)

DX80 part number

customer license account number

Current option key

serial numbers of the new DX80 and the replaced DX80

RMA number

Q23. Which two features are provided by the Cisco Unified Communications Manager signaling and device control function? (Choose two )

quick dialing

phone book service

call tear-down

call setup

transmission of audio/video media between endpoints

Signaling and device control: CUCM sets up all the signaling connections between call endpoints and directs devices such as phones, gateways, and conference bridges to establish and tear down streaming connections. Signaling is also referred to as call control and call setup/call teardown.
https://www.ciscopress.com/articles/article.asp?p=1216890&seqNum=2

Q24. Which network administration command-line tool is available in many computer operating systems for querying the Domain Name System (DNS)?

nslookup

ping

netstat -a

traceroute

Q25. Which misled Certificate Authorities {CAs) are necessary to validate the certificates of external servers (HTTPS and syslog)?

Custom

Custom and Collaboration Edge

Collaboration Edge

Preinstalled

Q26. Which two components will Cisco Webex Room 55 Dual support? (Choose two.)

two microphone input devices and three video output devices

Wheel Mount configuration

three microphone input devices and two video output devices

one 55-in display 4K LED screen

4x lenses speaker track

https://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/webex-room-series/datasheet-c78-741051.html

Q27. What are two standard fiber-optic connectors? (Choose two.)

Lucent

rollover

subscriber

multidimension

crossover

Q28. What provides the coding and decoding translation between analog and digital facilities?

Transformer

Translator

Converter

Codec

Q29. Which feature in online meeting software facilitates conversing before during, and after meetings to keep the work moving forward and productive?

integrated instant messaging

video conferencing

intuitive controls

screen sharing

Q30. Which two signaling protocols does Cisco Unified Communication Manager support for the Cisco IP phones? (Choose two)

SIP

H.323

MGCP

RTP

SCCP

Q31. Which protocol is designed to time-synchronize a network of machines?

Network Time Protocol (NTP)

Cisco Discovery Protocol

Domain Name System (DNS)

Dynamic Host Configuration Protocol (DHCP)

Explanation
Network Time Protocol (NTP) is an internet protocol used to synchronize with computer clock time sources in a network. It belongs to and is one of the oldest parts of the TCP/IP suite. The term NTP applies to both the protocol and the client-server programs that run on computers.
https://www.techtarget.com/searchnetworking/definition/Network-Time-Protocol#:~:text=Network%20Time%2

Q32. Which distributed database allows hostnames lo be mapped to IP addresses?

Dynamic Host Configuration Protocol (DHCP)

Network Time Protocol (NTP)

Domain Name System (DNS)

Cisco Discovery Protocol

Explanation
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750x_3560x/software/release/12-2_55_se/configura

Q33. What is based on the Bootstrap Protocol (BOOTP) and provides the framework for passing configuration information to hosts on a TCP/IP network?

Domain Name System (DNS)

Dynamic Host Configuration Protocol (DHCP)

Cisco Discovery Protocol

Network Time Protocol (NTP)

https://www.cisco.com/c/en/us/td/docs/routers/asr920/configuration/guide/ipaddr-dhcp/16-12-1/b-dhcp-xe-16-12-asr920/b-dhcp-xe-16-11-asr920_chapter_00.pdf The Dynamic Host Configuration Protocol (DHCP) is based on the Bootstrap Protocol (BOOTP), which provides the framework for passing configuration information to hosts on a TCP/IP network. DHCP adds the capability to automatically allocate reusable network addresses and configuration options to Internet hosts.

Q34. 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?

Host CPU

Screen control unit

PDU

Codec

Q35. What is based on the Bootstrap Protocol (BOOTP) and provides the framework for passing configuration information to hosts on a TCP/IP network?

Domain Name System (DNS)

Dynamic Host Configuration Protocol (DHCP)

Cisco Discovery Protocol

Network Time Protocol (NTP)

Explanation
https://www.cisco.com/c/en/us/td/docs/routers/asr920/configuration/guide/ipaddr-dhcp/16-12-1/b-dhcp-xe-16-12 The Dynamic Host Configuration Protocol (DHCP) is based on the Bootstrap Protocol (BOOTP), which provides the framework for passing configuration information to hosts on a TCP/IP network. DHCP adds the capability to automatically allocate reusable network addresses and configuration options to Internet hosts.

Q36. From which network service does a Cisco IP phone request the configuration file during the bootup process?

Cisco Unified Communications Manager

DHCP server

Cisco Catalyst switch

Phone’s local default configuration in the flash memory is used

TFTP server

Explanation
https://community.cisco.com/t5/collaboration-voice-and-video/ip-phone-sccp-amp-sip-phone-registration-proces

Q37. Which screen size does the Cisco DX80 offer?

12-inch 16:9

14-inch 16:9

23-inch 16:9

27-inch 4K

Connect with your team right from your desk with this Cisco Webex DX80 Desktop Collaboration System. The 23-inch LCD monitor with 1920 x 1080 resolution provides optimal clarity for video calls.
https://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/webex-desk-series/datasheet-c78-731879.html

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