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Which protocol is most commonly used for signaling in cloud-based VoIP services?
a. HTTP
b. SMTP
c. SIP
d. FTP
Answer: c. SIPsanfoundry+1
What is the primary advantage of VoIP in cloud computing?
a. Increased hardware requirements
b. Higher cost
c. Flexibility and scalability
d. Limited mobility
Answer: c. Flexibility and scalabilitymyvelox+1
In VoIP, voice signals are converted into what for transmission over the internet?
a. Analog waves
b. Digital data packets
c. Fiber signals
d. Radio frequency
Answer: b. Digital data packetsgeeksforgeeks+1
Which cloud service model is most commonly associated with hosted VoIP solutions?
a. SaaS
b. IaaS
c. PaaS
d. DaaS
Answer: a. SaaSatlantic+1
Which is a key feature of cloud-based VoIP systems?
a. Wired-only connections
b. On-premise hardware
c. Call forwarding and voicemail to email
d. No access on mobile devices
Answer: c. Call forwarding and voicemail to emailmyvelox+1
Which protocol is used for media transport in VoIP?
a. TCP
b. RTP
c. HTTP
d. SMTP
Answer: b. RTPnextiva+1
What does the acronym VoIP stand for?
a. Video Over Internet Protocol
b. Voice Over Internet Protocol
c. Virtual Optimization Internet Platform
d. Visual Office Intranet Process
Answer: b. Voice Over Internet Protocolgeeksforgeeks
Which device is NOT required for cloud VoIP service?
a. Router
b. Telephone exchange
c. Cloud server
d. Computer or mobile
Answer: b. Telephone exchangematellio+1
Which of the following protocols is considered more lightweight for VoIP signaling?
a. H.323
b. SIP
c. MGCP
d. SCCP
Answer: b. SIPyoutubesanfoundry
What is one major cost-related benefit of cloud-based VoIP?
a. Higher toll charges
b. International calling is expensive
c. Reduced phone bills
d. Need for proprietary hardware
Answer: c. Reduced phone billsmatellio+1
Which Google service uses VoIP technology for communication?
a. Google Docs
b. Google Voice
c. Google Sheets
d. Google Calendar
Answer: b. Google Voicecomputersprofessor+1
Which is a typical application for cloud-based VoIP in businesses?
a. Data warehousing
b. File archiving
c. Call centers
d. Magneto-resistive recording
Answer: c. Call centersmyvelox+1
Which of the following is an example of a VoIP feature supported in cloud?
a. Static routing
b. Video conferencing
c. Only voice calls
d. Legacy PBX interconnect
Answer: b. Video conferencingatlantic+1
What is the main requirement for using cloud VoIP services?
a. High-frequency radio
b. Internet connection
c. Dedicated copper wire
d. ISDN line
Answer: b. Internet connectionmatellio+1
Which company provides cloud-based VoIP services?
a. IBM
b. Microsoft
c. Google
d. All of the above
Answer: d. All of the aboveatlantic+1
Which protocol is used for instant messaging in many VoIP-enabled cloud platforms?
a. HTTP
b. Jabber/XMPP
c. FTP
d. SNMP
Answer: b. Jabber/XMPPsanfoundry+1
What is a core scalability benefit of cloud VoIP systems?
a. Automatic bandwidth increase
b. Easily adding/removing users
c. Fixed line capacity
d. Manually configured routing
Answer: b. Easily adding/removing usersmyvelox+1
Which component is managed by the cloud provider in VoIP services?
a. Analog phone lines
b. On-premise PBX
c. Call routing and storage
d. Legacy modem
Answer: c. Call routing and storageatlantic+1
Disaster recovery is enhanced in cloud-based VoIP due to:
a. Local disks
b. Multiple cloud backups
c. Non-redundant hardware
d. Lack of failover
Answer: b. Multiple cloud backupsmatellio+1
How does cloud-based VoIP achieve global connectivity?
a. Satellite relays
b. International trunks
c. Internet transmission
d. Fiber-only protocols
Answer: c. Internet transmissionmyvelox+1
Which is NOT an advantage of cloud VoIP?
a. Mobility
b. Scalability
c. High maintenance costs
d. Advanced integration
Answer: c. High maintenance costsmatellio+1
Which protocol supports session management in cloud VoIP?
a. SIP
b. DNS
c. UDP
d. SNMP
Answer: a. SIPsanfoundry+1
What technology is used to convert analog voice to digital format in VoIP?
a. Modem
b. Codec
c. Router
d. Switch
Answer: b. Codecnextiva+1
Unified communications in cloud VoIP refers to:
a. Combined voice, video, and messaging
b. Only voice calls
c. Isolated chat protocols
d. Hardware media conversion
Answer: a. Combined voice, video, and messagingmyvelox+1
What is a common method for securing cloud-based VoIP calls?
a. Encrypted data packets
b. Open transmission
c. Plain text routing
d. Circuit switching
Answer: a. Encrypted data packetsnextiva+1
Cloud-based VoIP is ideal for which business setup?
a. Only in-house teams
b. Remote or distributed teams
c. Offline businesses
d. Only retail stores
Answer: b. Remote or distributed teamsmatellio+1
What physical infrastructure is eliminated with cloud-based VoIP?
a. Server racks
b. Dedicated phone lines
c. Desktop computers
d. Network switches
Answer: b. Dedicated phone linesmyvelox+1
A major benefit of cloud VoIP for call centers is:
a. Advanced call routing
b. Physical cable expansion
c. Legacy system integration only
d. Radio-based duplication
Answer: a. Advanced call routingatlantic+1
Which is a typical integration scenario for cloud-based VoIP?
a. CRM systems
b. Standalone radios
c. DVD players
d. Storage arrays
Answer: a. CRM systemsmatellio+1
What service often accompanies cloud-based VoIP for enterprise continuity?
a. Disaster recovery
b. Hardware encryption
c. Tape backup
d. Local console access
Answer: a. Disaster recoverymyvelox+1
The media stream in VoIP typically uses which protocol?
a. IGMP
b. SIP
c. RTP
d. TFTP
Answer: c. RTPgeeksforgeeks+1
The main difference between cloud VoIP and on-premises VoIP is:
a. Cloud VoIP uses remote servers
b. On-premises VoIP is always cheaper
c. Cloud VoIP requires proprietary phones
d. Cloud VoIP is always insecure
Answer: a. Cloud VoIP uses remote serversatlantic+1
Which layer of the OSI model does VoIP mainly operate in?
a. Presentation
b. Application
c. Physical
d. Network
Answer: b. Applicationgeeksforgeeks+1
What feature is emphasized in business cloud VoIP platforms?
a. High cost per call
b. Mobile accessibility
c. Wired device restriction
d. Limited feature set
Answer: b. Mobile accessibilitymatellio+1
Which technology underpins cloud VoIP call transmission?
a. Circuit switching
b. Packet switching
c. Satellite uplinks
d. MPLS tunnels only
Answer: b. Packet switchinggeeksforgeeks
What is a benefit of cloud VoIP for global enterprises?
a. Complex dial-up hardware
b. Seamless global communication
c. Local-only operation
d. PBX wire taps
Answer: b. Seamless global communicationmyvelox+1
Which protocol can be used along with SIP for VoIP media delivery?
a. SNMP
b. RTP
c. SMTP
d. FTP
Answer: b. RTPnextiva+1
Which platform provides cloud-based business telephony?
a. Salesforce
b. Nextiva
c. Dropbox
d. Mozilla Firefox
Answer: b. Nextivanextiva
Which of these is a result of cloud-based VoIP in disaster recovery?
a. Increased downtime
b. Lower redundancy
c. Faster failover
d. Reduced reliability
Answer: c. Faster failovermatellio+1
What happens when a user initiates a call using cloud VoIP?
a. Voice is sent directly via analog wires
b. Voice data is sent to cloud servers
c. Call is queued via PBX only
d. Voice is recorded and mailed
Answer: b. Voice data is sent to cloud serversatlantic+1
The “IP” in VoIP stands for which network protocol?
a. Internet Protocol
b. Interconnected Protocol
c. Interactive Platform
d. Internal Process
Answer: a. Internet Protocolgeeksforgeeks
Which company offers both on-premise and cloud-managed VoIP?
a. Cisco
b. Apple
c. Samsung
d. IBM
Answer: a. Ciscoatlantic
What is the role of codecs in VoIP?
a. Encrypt video streams
b. Convert analog voice to digital
c. Route calls
d. Assign phone numbers
Answer: b. Convert analog voice to digitalgeeksforgeeks
What protocol enables presence notifications in VoIP services?
a. SIP
b. BGP
c. SNMP
d. RIP
Answer: a. SIPsanfoundry
Which feature allows voicemail to be sent as an email in cloud VoIP?
a. Voicemail to inbox
b. Voicemail to SMS
c. Voicemail to email
d. Voicemail to print
Answer: c. Voicemail to emailmyvelox
Which is NOT a feature of cloud-based VoIP?
a. Conference calling
b. High maintenance
c. Voicemail
d. Call queues
Answer: b. High maintenancematellio+1
What best describes VoIP service scalability?
a. Adding/removing users with manual rewiring
b. Seamless scaling with software changes
c. Fixed user limit
d. Hardware-based increases
Answer: b. Seamless scaling with software changesmyvelox+1
Which is a risk to secure VoIP in the cloud?
a. Malware and eavesdropping
b. Physical phone loss only
c. Direct cable cuts
d. Only hardware theft
Answer: a. Malware and eavesdroppingnextiva+1
Which protocol is central to call setup in modern VoIP?
a. SIP
b. FTP
c. SNMP
d. HTTP
Answer: a. SIPsanfoundry+1
Which scenario showcases a mobile advantage of cloud VoIP?
a. Remote employees can connect from any location
b. Only on-premise access allowed
c. Strict desktop phone use
d. No roaming support
Answer: a. Remote employees can connect from any locationmatellio+1

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