- Question 1
0 out of 1 points
E-commerce systems and applications demand strict C-I-A ________.
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- Question 2
0 out of 1 points
During the late 1980s into the early 1990s, service providers converted the core switches at their central offices from ______________ to digital central office (CO) switches.
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- Question 3
0 out of 1 points
What term is used to describe a strategy that uses a device to provide electrical power for IP phones from the RJ-45 8-pin jacks directly to the workstation outlet?
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- Question 4
0 out of 1 points
To satisfy the demands of a growing number of mobile devices and users of 3G, new networks emerged. These new 4G networks use IP addressing and eliminated remaining __________.
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- Question 5
0 out of 1 points
What term is used to describe communication that doesn’t happen in real time but rather consists of messages (voice or e-mail) that are stored on a server and downloaded to endpoint devices?
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- Question 6
0 out of 1 points
The ________ in analog communications is one error for every 1,000 bits sent; in digital communications, the __________ is one error for every 1,000,000 bits sent.
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- Question 7
0 out of 1 points
E-commerce changed how businesses sell, and the ________ changed how they market.
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- Question 8
0 out of 1 points
As users upgrade LANs to GigE or 10GigE, switches must support ________ and data IP traffic.
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- Question 9
0 out of 1 points
The total number of errors divided by the total number of bits transmitted is the definition of __________.
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- Question 10
0 out of 1 points
________ is the basis for unified communications and is the protocol used by real-time applications such as IM chat, conferencing, and collaboration.
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- Question 11
0 out of 1 points
What is meant by application convergence?
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- Question 12
0 out of 1 points
Audio conferencing is a software-based, real-time audio conference solution for ________ callers.
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- Question 13
0 out of 1 points
Network devices can implement ___________ to better support VoIP and SIP IP packets and reduce dropped calls and delays.
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- Question 14
0 out of 1 points
What is meant by digital subscriber line (DSL)?
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- Question 15
0 out of 1 points
What term is used to describe a packet-based WAN service capable of supporting one-to-many and many-to-many WAN connections?
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- Question 16
0 out of 1 points
What term is used to describe streamlining processes with automation or simplified steps?
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- Question 17
0 out of 1 points
What is meant by DS0?
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- Question 18
0 out of 1 points
What name is given to a software-based application like WebEx that supports audio conferencing and sharing of documents (text, spreadsheets, presentations, etc.) for real-time discussions with team members or colleagues?
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- Question 19
0 out of 1 points
________ is a technique where multiple light streams can transmit data through a single strand of fiber.
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- Question 20
0 out of 1 points
A common DSL service is ________, where the bandwidth is different for downstream and upstream traffic.
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