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Worksheets

Specialized Networks

Total questions: 34

Worksheet time: 34mins

Name
Class
Date
1.

This consists of dedicated block-based storage, leveraging a high-speed architecture that interconnects and delivers shared pools of storage devices to multiple servers. It makes its data act as if it were locally attached.

a)

Storage Area Network (SAN)

b)

Initiator

c)

Target

d)

Internet Small Computer Systems Interface (iSCSI)

e)

Software-Defined Network (SDN)

2.

A server that connects to the shared storage device. This type of software connects to and communicates with the SAN target.

a)

Storage Area Network (SAN)

b)

Initiator

c)

Target

d)

Internet Small Computer Systems Interface (iSCSI)

e)

Software-Defined Network (SDN)

3.

All SAN storage devices are called this.

a)

Storage Area Network (SAN)

b)

Initiator

c)

Target

d)

Internet Small Computer Systems Interface (iSCSI)

e)

Software-Defined Network (SDN)

4.

This is a protocol used in TCP/IP networks' data storage solutions. The advantage is the speed of data flow.

a)

Storage Area Network (SAN)

b)

Initiator

c)

Target

d)

Internet Small Computer Systems Interface (iSCSI)

e)

Software-Defined Network (SDN)

5.

This is an approach to network management that lets you centrally control (or program) a network intelligently using a software application. This helps make the management of the entire network consistent regardless of the underlying network technology.

a)

Storage Area Network (SAN)

b)

Initiator

c)

Target

d)

Internet Small Computer Systems Interface (iSCSI)

e)

Software-Defined Network (SDN)

6.

These components make up a SAN (select all that apply)

a)

Host

b)

Storage

c)

SAN Fabric

d)

switches

e)

initiator

7.

This SAN component connects the SAN using a NIC or a host bus adapter (HBA). An HBA is a circuit board that is inserted into a computer motherboard, just like a NIC.

a)

Host

b)

Storage

c)

SAN Fabric

d)

initiator

e)

switches

8.

This SAN component are typically dis arrays, tape libraries, or optical jukeboxes.

a)

Host

b)

Storage

c)

SAN Fabric

d)

initiator

e)

switches

9.

This SAN component consists of SAN hubs, SAN switches, & network cables.

a)

Host

b)

Storage

c)

SAN Fabric

d)

initiator

e)

switches

10.

This was designed for high-performance supercomputers. It features high throughput and very low latency. It can be used in a SAN as well as between clustered computers.

a)

Fibre CHannel (FC)

b)

Internet Small Computer Systems Interface (iSCSI)

c)

Fibre Channel over Ethernet (FCoE)

d)

Infiniband

11.

This was developed to lower the cost of Fibre Channel.

Like iSCSI, it uses standard Ethernet switches and physical connections.

Unlike iSCSI, which can run on slower Ethernets, it requires 10 gigabit ethernet.

a)

Fibre CHannel (FC)

b)

Internet Small Computer Systems Interface (iSCSI)

c)

Fibre Channel over Ethernet (FCoE)

d)

Infiniband

12.

This uses network protocols that encapsulate certain commands within the IP packets and transmit them over a standard Ethernet network. To build redundancy:

Install two dedicated Ethernet NICs in each server.

Deploy two dedicated Ethernet switches by connecting each server to each switch.

Deploy the shared storage devices.

a)

Fibre CHannel (FC)

b)

Internet Small Computer Systems Interface (iSCSI)

c)

Fibre Channel over Ethernet (FCoE)

d)

Infiniband

13.

This uses fiber optic cabling, network adapters, and switches to build the SAN fabric.

To build a redundant version of this:

Install two HBAs in each server.

Deploy two switches by connecting each server to each switch.

Deploy shared devices.

a)

Fibre CHannel (FC)

b)

Internet Small Computer Systems Interface (iSCSI)

c)

Fibre Channel over Ethernet (FCoE)

d)

Infiniband

14.

This SAN technology:

Cost: Least expensive

Specialization: No specialized hardware

Speed: Limited to Ethernet speeds

Distance: Accommodates longer distances, but introduces latency

a)

Fibre CHannel (FC)

b)

Internet Small Computer Systems Interface (iSCSI)

c)

Fibre Channel over Ethernet (FCoE)

d)

Infiniband

15.

This SAN technology:

Cost: More expensive

Specialization: Requires specialized hardware

Speed: Faster

Distance: Up to 10 km

a)

Fibre CHannel (FC)

b)

Internet Small Computer Systems Interface (iSCSI)

c)

Fibre Channel over Ethernet (FCoE)

d)

Infiniband

16.

This SAN technology:

Cost: Less expensive than FC

Specialization: No specialized hardware, but requires specialized knowledge

Speed: Limited to Ethernet speeds

Distance: Accommodates longer distance, but introduces latency

a)

Fibre CHannel (FC)

b)

Internet Small Computer Systems Interface (iSCSI)

c)

Fibre Channel over Ethernet (FCoE)

d)

Infiniband

17.

This SAN technology:

Cost: Most expensive

Specialization: Requires hardware and knowledge

Speed: Fastest

Distance: Short distances (less than 300 m)

a)

Fibre CHannel (FC)

b)

Internet Small Computer Systems Interface (iSCSI)

c)

Fibre Channel over Ethernet (FCoE)

d)

Infiniband

18.

This moves large amounts of data, enabling this in an iSCSI or FCoE SAN can increase performance of the SAN.

a)

Jumbo Frames

b)

Clustering

c)

TOR

d)

Software Defined Networks (SDN)

19.

SDN component: the layer in which various applications reside. One example of an app in this layer is an app that creates the network map of all the devices in the network. Another example is a load balancer app that stops and starts VMs as resource use increases.

a)

Application layer

b)

Control layer

c)

Infrastructure/Physical layer

d)

Management plane

20.

The layer in which the brains resides in a SDN network.

a)

Application layer

b)

Control layer

c)

Infrastructure/Physical layer

d)

Management plane

21.

The layer in which the switches, routers, and other network appliances reside.

a)

Application layer

b)

Control layer

c)

Infrastructure/Physical layer

d)

Management plane

22.

The interface that the administrator uses to configure network devices and monitor performance.

a)

Application layer

b)

Control layer

c)

Infrastructure/Physical layer

d)

Management plane

23.

The API that connects the control layer and application layer. This also refers to the __________ traffic with a SDN.

a)

Northbound API

b)

Southbound API

24.


The API that connects the control layer with the infrastructure layer. This is __________ traffic.

a)

Northbound API

b)

Southbound API

25.

In a SDN, TOR stands for?

a)

Top of rack

b)

Time of receipt

c)

The onion router

d)

Transfer of responsibility

26.

The heart of any VoIP system. Also known as a VoIP PBX or IP-PBX.

The main role is to provide a switching mechanism to connect internal calls between VoIP clients. It provides many functions such as: call waiting, call transfer, conferencing, & voice mail.

Accounts have usernames and passwords to provide authentication and security.

a)

VoIP Servers

b)

VoIP Endpoints

c)

VoIP Gateways

d)

VoIP Protocols

e)

VoIP Codecs

27.

These are the clients of a VoIP server.

Hard and soft phones.

a)

VoIP Servers

b)

VoIP Endpoints

c)

VoIP Gateways

d)

VoIP Protocols

e)

VoIP Codecs

28.

This converts voice and fac calls between the PSTN and the IP network in real time.

They are generally smaller, less costly, and more specialized than VoIP servers.

a)

VoIP Servers

b)

VoIP Endpoints

c)

VoIP Gateways

d)

VoIP Protocols

e)

VoIP Codecs

29.

This resides on top of transport layer protocols like TCP, UDP, and SCTP to assemble and distribute VoIP data throughout your network. Due to QoS considerations, UDP is most commonly used. SIP is an open source VoIP _______.

a)

VoIP Servers

b)

VoIP Endpoints

c)

VoIP Gateways

d)

VoIP Protocols

e)

VoIP Codecs

30.

This is a special algorithm that compresses VoIP data to reduce bandwidth consumption.

This determines the sound quality of the VoIP call and the amount of bandwidth that it will require.

A VoIP system's default should be adequate for small organizations.

a)

VoIP Servers

b)

VoIP Endpoints

c)

VoIP Gateways

d)

VoIP Protocols

e)

VoIP Codecs

31.

In VoIP, audio is converted from an analog signal to digital data through a technique called

a)

Sampling

b)

Network latency

c)

Jitter

d)

Unified communications

32.

This is a measure of delay as a packet of data travels from one point to another. Too much of this causes VoIP callers to talk over each other.

a)

Sampling

b)

Network latency

c)

Jitter

d)

Unified communications

33.


This is a variation in the delay or latency of received packets. Latency going up and down during a call can cause unusual sound effects (minor pauses, jumps, choppiness).

a)

Sampling

b)

Network latency

c)

Jitter

d)

Unified communications

34.

Appliances that plug directly into your network and provide a wide variety of communication services, such as voice, voicemail, instant messaging, and faxing.

a)

Sampling

b)

Network latency

c)

Jitter

d)

Unified communications