Fill in the blank with the appropriate word.
The ____________ is composed of the local loop, the central office, and the SS7 network.
A. PSTN
Power over Ethernet (PoE) technology describes a system to safely pass electrical power, along with data, on Ethernet cabling.
What are the advantages of Power over Ethernet?
A. Symmetric distribution is possible.
B. A Gigabit of data per second to every device is possible.
C. PoE supports cheap cabling.
D. Asymmetric distribution is possible.
Which of the following communications technologies provides access to a large pool of customer service agents and multiple channels of communication as well as customer self-help tools?
A. Video telephony
B. Contact center
C. IP telephony
D. Rich-media conferencing
Which of the following is used to maximize the efficient utilization of LAN media?
A. Hub
B. Router
C. Bridge
D. Switch
Which of the following common IP services allows a customer to connect to the Internet with the help of private IP addressing?
A. DNS
B. NDIS
C. NAT
D. DHCP
You are required to configure an SIP phone. While accomplishing the task, you should also specify the standard codec for toll-grade quality.
Which of the following codecs will you choose to accomplish the task?
A. G.723
B. G.729
C. G.711
D. G.726
Which of the following factors are related with bandwidth requirements of a VoIP call? Each correct answer represents a part of the solution. Choose all that apply.
A. Codec selection
B. Layer 2 media type
C. Layer 3 routing protocol
D. Speech samples per packet
Which of the following VLAN Trunk Protocol (VTP) modes is used to create, modify, and delete VLANs?
A. Transparent
B. VTP client
C. Exchange
D. VTP server
For outside cabling, which of the following cable types is most immune to the effects of lightning?
A. Coaxial
B. Shielded Twisted Pair (STP)
C. Unshielded Twisted Pair (UTP)
D. Fiber optic
You work as a technician for McNeil Inc. You want to capture packets linked to SIP and HTTP using the same application.
Which of the following monitoring tools will you use to accomplish the task?
A. Protocol analyzer
B. Spectrum analyzer
C. Traffic generator
D. SIP analyzer
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