Networking and Technology Basics Flashcards Preview

RPPEXOT104-001 > Networking and Technology Basics > Flashcards

Flashcards in Networking and Technology Basics Deck (21)
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1
Q

When making calls to an external network (otherwise known as off-net call)

A

Calls typically leave the network via a firewall traversal solution

2
Q

Which of the following best defines the term ‘bandwidth’

A

The amount of network capacity available and the amount of capacity required

3
Q

Select the option which best matches the capability used to unlock additional features and capabilities

A

Software key

4
Q

Which of the following best describes a gatekeeper

A

Enables callers to dial an extnesion (alias) instead of an IP address

5
Q

Another name for an endpoint is a

A

Codec

6
Q

Which of the following best defines the term ‘protocol’

A

A standard set of rules defining how information is sent over a network

7
Q

Which option best describes an MCU

A

It is also known as a bridge and enables multipoint calls

8
Q

Select the option which best matches this diagram: Destinations Video streaming source with one line

A

Unicast

9
Q

Select the option which best matches this diagrams: Destinations Video streaming source with multiple lines

A

Multicast

10
Q

A RealPresence Collaboration Server does which of these when handling a multipoint conference using only Scalable Video Coding (SVC)

A

Sends each endpoint a separate stream of each of the other participants

11
Q

What is the general term for H.239

A

Content

12
Q

Select the option which best matches the infrastructure capability that provides call admission control and allows endpoints to use E.164 aliases

A

Gatekeeper

13
Q

Which of the following options explain how the different information in an SVC stream is sent

A

A base layer and two enhancement layers carry the information

14
Q

Select the option which best matches the MCU capability that provides a template used to define a number of settings

A

Meeting Room

15
Q

Which of the following options best describes a Microsoft codec allowing an endpoint to send and receive at up to 720p when in a call with Microsoft Lync or OCS client

A

RTV

16
Q

Which of the below refers to the Polycom technology that hides faulty or congested networks by masking the symptoms of packet loss?

A

RMX

17
Q

When receiving a call from another (off-net) network

A

Calls typically enter the network by connecting to the IP address of the gatekeeper and are then forwarded to an MCU

18
Q

Which option best describes a firewall

A

Controls the data that can enter or leave a private network

19
Q

Which of the following options contain the three layers sent by SVC

A

Bandwidth scalability, Spatial scalability, and quality scalability

20
Q

Scalable Video Coding (SVC) is which of the following

A

A technique for sending the highest possible video resolutions.

21
Q

Which network device converts one protocol to another, such as SIP to H.323

A

Gateway