Primary advantage a virtual router has over a physical one?

Multiple networks can be connected to a single interface

Which of the following protocols is an open source protocol used by most VoIP Systems?

Session initiation protocol (SIP)

Define: Platform as a Service (PaaS)

Delivers everything Developer needs to build an application onto the cloud

Software that accesses VoIP Server to make real-time phone calls

Need to monitor & filter VM-to-VM traffic w/in a virtual network. How can this be accomplished?

Implement virtual firewall within the hypervisor

How can QoS be configured so that large data transfers will not block VoIP calls by using too much network bandwidth?

QoS can be configured on to give priority to VoIP Traffic

Benefit of using VoIP Gateway in branch offices using existing WAN connections?

Long-Distance PSTN charges reduced.

Allows virtual machine to interact with h/w w/o going through the host OS.

Which of the following are advantages of virtualization?

Easy system migration to different hardware

Which of the following is true about virtual NICs?

Virtual NICs need appropriate drivers installed to function

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Network Pro - Sec 9

21 termsStudBud Administration154 plays

Network Pro - Sec 9

Flashcards21 cardsFPractice quizPHost liveL

Questions 21

Answers

1
You use VoIP Phones. Employees complain that calls have unusual sound effects. What causes this problem?
Echo
Latency
Packet loss
Jitter
2
On a VoIP Call, you notice long pauses before the other person responds to you. What causes this?
Jitter
Packet loss
Echo
Latency
3
VoIP Server is also referred to as what?
QoS
Jitter
VoIP PBX
Hard phone
4
Switch feature most commonly used with VoIP?
Mirroring
Split Horizon
VLAN
Spanning Tree
5
Primary advantage a virtual router has over a physical one?
Faster routing performance
Multiple networks can be connected to a single interface
Routing protocols are not necessary for routing between networks
Allows the virtual router redundancy protocol (VRRP) to be used
6
Which of the following cloud computing solutions delivers software applications to a client over the Internet?
IaaS
PaaS
SaaS
DaaS
7
Which of the following protocols is an open source protocol used by most VoIP Systems?
Session initiation protocol (SIP)
Stream control transmission Protocol (SCTP)
User datagram protocol (UDP)
Transmission control protocol (TCP)
8
Define: Platform as a Service (PaaS)
Delivers infrastructure to client, i.e., Processing, HD, Network.
Delivers everything Developer needs to build an application onto the cloud
Delivers applications to client over Internet
Stores & provides data from centralized location.
9
You are tasked to integrate phone calls, emails and IM into a single platform. What's your solution?
QoS
VoIP
PSTN
Unified communication
10
VoIP device helps establish the connection between 2 VoIP phones?
VoIP Server
VoIP Gateway
VoIP Coded
VoIP Endpoint
11
Define: Soft phone
Software that accesses VoIP Server to make real-time phone calls
Traditional/VoIP Phone that has more comfortable handset added
Software algorithm that compresses VoIP Data prior to transmission.
Device that converts fax calls between PSTN & IP network
12
Which of the following are typical NAS device components?
An FC Switch
Initiator server
A dedicated network
Multiple NIC Cards
13
Need to monitor & filter VM-to-VM traffic w/in a virtual network. How can this be accomplished?
Implement virtual firewall within the hypervisor
Define VLAN membership on each VM
Route VM-to-VM traffic through physical firewall & back to virtual network
Create a virtual router with VRF Technology
14
How can QoS be configured so that large data transfers will not block VoIP calls by using too much network bandwidth?
QoS can be configured on to give priority to VoIP Traffic
QoS can be configured to limit size of a file on network
QoS can be config'd to only allow network protocols that throttle bandwidth
QoS can be configured to set bandwidth threshold on select ports
15
Component most likely to allow physical & virtual machines to communicate with each other?
Host OS
VHD
Virtual Switch
Virtual Desktop
16
Configure W2k16 server to connect to iSCSI target defined on a DIFFERENT server. Must include IPSec & CHAP. What tool?
Multipath I/O
iSCSI under File & Storage Services in Server Manager
Internet Storage Name Service
iSCSI Initiator
17
Benefit of using VoIP Gateway in branch offices using existing WAN connections?
VoIP Gateway used instead of expensive routers/modems for WAN connections
Long-Distance PSTN charges reduced.
VoIP Gateways can aggregate multiple VoIP calls for calls to home office.
Data can be transported between VoIP gateways over PSTN instead of WAN link
18
When should you consider changing the codec used in your VoIP System?
When sound quality is poor
When Open Source VoIP Protocol requires a different Codec
When network latency causes callers to talk over each other
When excessive jitter causes unusual sound effects in VoIP calls.
19
Define: Hypervisor
Is created w/in host OS & simulates HD for virtual machine
Software implementation that executes programs like a physical machine
Allows virtual machine to interact with h/w w/o going through the host OS.
Stores all the data for host workstations physically connected to it.
20
Which of the following are advantages of virtualization?
Easy system migration to different hardware
Improved detection of host-based attacks
Reduced utilization of H/W resources
Redundancy of H/W components for fault tolerance
21
Which of the following is true about virtual NICs?
Virtual NICs need appropriate drivers installed to function
NIC type installed on physical machine determines type of Virtual NIC
Virtual NICs can only communicate with other virtual NICs
Virtual NICs don't have MAC addresses

Network Pro - Sec 9 Flashcards | StudBud

Network Pro - Sec 9

21 termsStudBud Administration154 plays

Network Pro - Sec 9

Flashcards21 cardsFPractice quizPHost liveL

Questions 21

Answers

1
You use VoIP Phones. Employees complain that calls have unusual sound effects. What causes this problem?
Echo
Latency
Packet loss
Jitter
2
On a VoIP Call, you notice long pauses before the other person responds to you. What causes this?
Jitter
Packet loss
Echo
Latency
3
VoIP Server is also referred to as what?
QoS
Jitter
VoIP PBX
Hard phone
4
Switch feature most commonly used with VoIP?
Mirroring
Split Horizon
VLAN
Spanning Tree
5
Primary advantage a virtual router has over a physical one?
Faster routing performance
Multiple networks can be connected to a single interface
Routing protocols are not necessary for routing between networks
Allows the virtual router redundancy protocol (VRRP) to be used
6
Which of the following cloud computing solutions delivers software applications to a client over the Internet?
IaaS
PaaS
SaaS
DaaS
7
Which of the following protocols is an open source protocol used by most VoIP Systems?
Session initiation protocol (SIP)
Stream control transmission Protocol (SCTP)
User datagram protocol (UDP)
Transmission control protocol (TCP)
8
Define: Platform as a Service (PaaS)
Delivers infrastructure to client, i.e., Processing, HD, Network.
Delivers everything Developer needs to build an application onto the cloud
Delivers applications to client over Internet
Stores & provides data from centralized location.
9
You are tasked to integrate phone calls, emails and IM into a single platform. What's your solution?
QoS
VoIP
PSTN
Unified communication
10
VoIP device helps establish the connection between 2 VoIP phones?
VoIP Server
VoIP Gateway
VoIP Coded
VoIP Endpoint
11
Define: Soft phone
Software that accesses VoIP Server to make real-time phone calls
Traditional/VoIP Phone that has more comfortable handset added
Software algorithm that compresses VoIP Data prior to transmission.
Device that converts fax calls between PSTN & IP network
12
Which of the following are typical NAS device components?
An FC Switch
Initiator server
A dedicated network
Multiple NIC Cards
13
Need to monitor & filter VM-to-VM traffic w/in a virtual network. How can this be accomplished?
Implement virtual firewall within the hypervisor
Define VLAN membership on each VM
Route VM-to-VM traffic through physical firewall & back to virtual network
Create a virtual router with VRF Technology
14
How can QoS be configured so that large data transfers will not block VoIP calls by using too much network bandwidth?
QoS can be configured on to give priority to VoIP Traffic
QoS can be configured to limit size of a file on network
QoS can be config'd to only allow network protocols that throttle bandwidth
QoS can be configured to set bandwidth threshold on select ports
15
Component most likely to allow physical & virtual machines to communicate with each other?
Host OS
VHD
Virtual Switch
Virtual Desktop
16
Configure W2k16 server to connect to iSCSI target defined on a DIFFERENT server. Must include IPSec & CHAP. What tool?
Multipath I/O
iSCSI under File & Storage Services in Server Manager
Internet Storage Name Service
iSCSI Initiator
17
Benefit of using VoIP Gateway in branch offices using existing WAN connections?
VoIP Gateway used instead of expensive routers/modems for WAN connections
Long-Distance PSTN charges reduced.
VoIP Gateways can aggregate multiple VoIP calls for calls to home office.
Data can be transported between VoIP gateways over PSTN instead of WAN link
18
When should you consider changing the codec used in your VoIP System?
When sound quality is poor
When Open Source VoIP Protocol requires a different Codec
When network latency causes callers to talk over each other
When excessive jitter causes unusual sound effects in VoIP calls.
19
Define: Hypervisor
Is created w/in host OS & simulates HD for virtual machine
Software implementation that executes programs like a physical machine
Allows virtual machine to interact with h/w w/o going through the host OS.
Stores all the data for host workstations physically connected to it.
20
Which of the following are advantages of virtualization?
Easy system migration to different hardware
Improved detection of host-based attacks
Reduced utilization of H/W resources
Redundancy of H/W components for fault tolerance
21
Which of the following is true about virtual NICs?
Virtual NICs need appropriate drivers installed to function
NIC type installed on physical machine determines type of Virtual NIC
Virtual NICs can only communicate with other virtual NICs
Virtual NICs don't have MAC addresses