#1
What does VoIP stand for?
Voice Over Internet Protocol
ExplanationVoIP stands for Voice Over Internet Protocol, which enables voice communication over the internet.
#2
Which of the following is NOT a benefit of VoIP?
Decreased reliability
ExplanationDecreased reliability is not a benefit of VoIP; rather, VoIP typically offers increased reliability.
#3
What is the purpose of a softphone in VoIP?
To provide a software interface for making VoIP calls
ExplanationA softphone in VoIP provides a software interface for making VoIP calls.
#4
Which network is typically used to carry VoIP traffic?
WAN (Wide Area Network)
ExplanationVoIP traffic is typically carried over WAN (Wide Area Network).
#5
What is a VoIP gateway?
A device that converts analog voice signals to digital packets
ExplanationA VoIP gateway is a device that converts analog voice signals to digital packets for VoIP transmission.
#6
Which protocol is commonly used in VoIP for call signaling?
SIP
ExplanationSIP, or Session Initiation Protocol, is commonly used in VoIP for call signaling.
#7
What is the primary function of a Session Border Controller (SBC) in VoIP networks?
To regulate signaling and media traffic
ExplanationSession Border Controllers (SBCs) in VoIP networks primarily regulate signaling and media traffic.
#8
What is a codec in the context of VoIP?
A software or hardware component used to compress and decompress audio signals
ExplanationA codec in VoIP is a software or hardware component used to compress and decompress audio signals.
#9
Which of the following is a characteristic of Quality of Service (QoS) in VoIP networks?
Packet loss tolerance
ExplanationQuality of Service (QoS) in VoIP networks includes packet loss tolerance as a characteristic.
#10
What is the role of Presence in Unified Communications?
To indicate user availability and status
ExplanationPresence in Unified Communications indicates user availability and status.
#11
Which of the following is a key feature of Unified Communications (UC)?
Centralized management of communication tools
ExplanationUnified Communications (UC) offers centralized management of communication tools as a key feature.
#12
Which technology enables the integration of various communication channels in Unified Communications?
Convergence
ExplanationConvergence enables the integration of various communication channels in Unified Communications.
#13
What does SIP trunking refer to in VoIP?
The use of SIP for connecting to the PSTN
ExplanationSIP trunking in VoIP refers to the use of SIP for connecting to the PSTN (Public Switched Telephone Network).