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Terms in this set (13)
PBX phone systems are susceptible to unauthorized access through the analog modem port connected to the maintenance port.
Which security control can best reduce toll fraud for PBX systems?
Enable trunk access group restrictions and turn off trunk access
Organize the following in the proper sequence of when they happened, 1-5, with 1 being first.
What drove service providers to install fiber optic backbone networks?
1) Demand for internet access
2) broadband growth and expansion
3) copper transmission capacity was maxed out
4) Lower cost per megabit was needed to support demand
____ convergence is the combination of voice, video, and data communications using TCP/IP
Which of the following is not an SIP application?
SMS text messaging
Which of the following security controls can help reduce threats to call control signaling between call servers?
1)physically placing call servers in locked data centers or phone rooms.
2) Updating call servers with system patches and updates
3)Isolating call servers on their own VLAN
4)Enabling firewalls at VLAN edges
Unified communications solves the _____ communication challenge.
Which of the following UC applications can eliminate the need for face to face training?
SIP is more secure than VoIP
Why do e-commerce systems need the utmost in security controls?
2)Private customer data is entered into Web Sites
3)Financial transaction data is entered into Web sites
4)Customer retention requires confidence in secure online purchases
Which of the following is not a benefit of using unified communications?
A.Supports work from home for employees
B.Shrinks human latency in decision making.
C.Enhances productivity with real-time communications
D.Requires a layered security strategy
E.Lowers training and travel expenses through collaboration
D. Requires a layered security strategy
Unified communications can reduce human latency in business decision making.
THIS SET IS OFTEN IN FOLDERS WITH...
Chapter 1 Review Questions
NT2580 Chapter 6
NT2580 Chapter 7
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