Infrastructure and Documentation/ Network Architecture

_____, or simply cloud, refers to the flexible provision of data storage, applications, or services to clients over the Internet.

Cloud computing

Which of the following is an enclosed space that holds network equipment?

Data room

The device that marks where an ISP's network ends and the organization's network begins is the _____.

Demarc (demarcation point)

A technician from your ISP has arrived to help you troubleshoot a weak WAN connection. To what location do you take them?

EF

The Cambridge Law Department has complained of a loss of network signal from time to time. On inspection, it has been noticed that the loss of signal is due to noise interference at the physical layer. Analyze which of the following measures should be taken to sort out this issue.

Ensure that the cables are at least 3 feet away from fluorescent lights or other sources of EMI.

_____ is a storage networking architecture that runs separately from Ethernet networks to maximize speed of data storage and access.

FC (Fibre Channel)

Jasper Infotech have an issue with their network system-a malfunctioning NIC on a router caused network outages. They have hired you specifically to ensure that the network system does not collapse when there is an unexpected hardware or software malfunction. Which of the following terms will you refer to while fixing this issue for Jasper Infotech?

Fault tolerance

Yang, a network engineer, has been tasked with establishing a new long-distance connection for the branch offices between Manhattan and Texas by an ISP. In doing so, analyze which of the following cables he should opt for in order to obtain maximum speed and bandwidth.

Fiber optic cable

When shopping for a new router, what does the MTBF tell you?

How long devices like this one will last on average until the next failure

Royal Global University has just set up a new department for biotechnology and has hired you to extend the network connection to this department. Which of the following equipment do you think is necessary while extending the connection?

IDF (intermediate distribution frame)

The _____ provides an intermediate connection between the MDF and end-user equipment on each floor and in each building.

IDF (intermediate distribution frame)

Which device can manage traffic to multiple servers in a cluster so all servers qually share the traffic?

Load balancer

A transceiver was recently damaged by a lightning strike during a storm. How might you decide whether the ISP is responsible for replacing this device, or whether your company must foot the bill?

Look at whether the device is located on the ISP's side of the demarc)

With which network connection type does the VM obtain IP addressing information from its host?

NAT mode

According to the lecture, a Virtual Machine's vNIC can establish network connection via:

NAT mode & Bridged mode

Which of the following is not a technology utilized by Storage Area Networks to maximize throughput?

OCoE - Optical Channel over Ethernet

Which cloud management technique executes a series of tasks in a workflow?

Orchestration

Which of the following is not a recognized cabling type for horizontal cabling as per the ANSI/TIA standards?

Patch cable

Which of the following cables comes coated with a flame-resistant jacket?

Plenum cable

You are adding new cables to a data outlet where you have to run the cables above the ceiling tile. What kind of cables should you use in such a scenario?

Plenum-rated cable

____ is one of several names for the combination of multiple network interfaces to act as one logical interface to allow for increased throughput and automatic failover.

Port Aggregation

You've decided to run an Nmap scan on your network. Which apps could you open to perform this task?

PowerShell, Command Prompt, Zenmap

Which of the following cloud models makes resources available to users through a WAN connection?

Private cloud

An _____ is a request to vendors to submit a proposal for a product or service your company wants to purchase.

RFP (request for proposal)

_____ was developed to eliminate the possibility broadcast storms and other types of traffic loops.

STP (shielded twisted pair)

___ technology that involves the abstraction and virtualization of network functions by way of disaggregation.

Software Defined Networking

Which devices are you likely to find in the MDF?

Switches, Routers, KVM switch

Which of the following consists of one or more insulated twisted-pair wires encased in a plastic sheath?

UTP (unshielded twisted pair)

You have been sent to the University of Yale to enable voice calls using a broadband connection instead of a regular analog phone line. Which of the following protocols would you apply in such a scenario?

VoIP

Cabling that is run in the area above a ceiling tile in an office building should be classified as ___-rated cable.

plenum

The ____ drawings show the devices stacked in a rack system and are typically drawn to scale.

rack diagram

Network racks come in the following varieties.

two-post, four-post, six-post

the ____ switch provides "plug-and-play" capabilities with minimal configuration requirements.

unmanaged

A _____, which is a graphical representation of a network's wired infrastructure.

wiring diagram

What is the maximum allowable distance for horizontal cabling?

100 m

a structured cabling run should be at least ____ feet away from fluorescent lighting to reduce the risks of EMI.

3

EIA/TIA limits horizontal Ethernet runs (drops) at no more than _____ meters.

90

You are a junior technician at KVM Solutions. They have just received a query from a university who wants their network connection to be set up. You have been tasked with sketching a diagram for the various network devices that will be used to establish the connection. Which of the following options would you apply to identify the routers in that connection?

A hockey-puck shape with two arrows pointing inward and two arrows pointing outward

Which of the following will help evenly distribute traffic to each device in a cluster so every device carries a portion of the load?

A load balancer

Which of these is considered a secure place to store a list of documented network passwords?

A password manager

Which of the following diagrams is needed while tracking and troubleshooting equipment installed in a rack?

A rack diagram

A client contacted you to avail your services of cable installation. The requirement is to set up a connection which connects workstations to the data room, and the distance between them spans 87 meters. Which of the following cabling methods would be an ideal option for this assignment?

Horizontal cabling

Which of the following cabling methods connects workstations to the closest data rooms?

Horizontal cabling

What is the first step of inventory management?

List all components on the network.

What information does the switchport port-security command use to restrict access to a switch's interface?

MAC address

An industrial controls system, also called _____, which acquires real-time data from a physical system and manages the system or presents the data to humans to monitor and manage the system.

SCADA (supervisory control and data acquisition)

_____ is a centralized approach to networking that removes most of the decision-making power from network devices and instead handles that responsibility at a software level.

SDN (software-defined networking)

redundant switch connections lead to switching loops or broadcast storms unless ___ is implemented to make effective use of redundant connections.

Spanning Tree Protocol, Rapid Spanning Tree Protocol, Transparent Interconnection of Lots and Links, Shortest Path Bridging

Which of the following features of a network connection between a switch and server is not improved by link aggregation?

Speed

Of the business documents studied in this lesson, the ____ details the work that must be completed for a project.

Statement of Work

Which type of switch connects all devices in a rack to the rest of the network?

ToR switch

Which device converts signals from a campus's analog phone equipment into IP data that can travel over the Internet?

Voice gateway

What type of diagram shows a graphical representation of a network's wired infrastructure?

Wiring diagram

If one NIC in a router fails, _____ ensures that the router's other NIC can automatically handle the first NIC's responsibilities.

automatic failover

The term _____ refers to how consistently and reliably a connection, system, or other network resource can be accessed by authorized personnel.

availability

A _____ helps to evenly distribute traffic to each device in a cluster so every device carries a portion of the load.

load balancer

The process of designing, implementing, and maintaining an entire network is called the _____.

system life cycle

Which of the following switches can be configured via a command-line interface or a web-based management GUI (graphical user interface)?

A managed switch

What virtual, logically defined device operates primarily at the data link layer to ss frames between nodes?

Virtual switch

_____ is a logical version of something rather than the actual, or physical, version.

Virtualization

_____, also known as IP telephony, is the use of any network (either public or private) to carry voice signals using TCP/IP protocols.

VoIP

Scott & Wayne Law Associates is a private law firm in Atlanta specializing in cases involving violation of environmental laws. The firm currently has approximately 50 employees who all work on various matters and in different departments. You have been hired as a network administrator and tasked with finding a suitable cloud model for the firm. The firm is looking for a comparatively low-cost cloud model that can be accessed only by the employees and senior management but not its clients or third parties. Which of the following cloud models would you choose?

A private cloud

You are working as a network engineer with SkyNet Solutions. You have been sent to the Waylan Union High to establish a wireless link between the entrance facility and the main distribution frame. Which of the following cabling methods would you choose to complete the task at hand?

Backbone cabling

The University of Mordor houses almost 1000 students in its campus. It has multiple buildings in the campus where free food and Internet services are provided for the students. The University boasts of providing one of the fastest Internet experiences in the country and there have never been any reports of the service going down. To ensure such efficient connectivity, the University adheres to the ANSI/TIA standards to better manage the data feed from the main data facilities. Which of the following can be reasonably inferred from the above scenario?

Every floor in the building has an individual IDF.

What software allows you to define VMs and manage resource allocation and sharing among VMs on a host computer?

Hypervisor

Which of the following creates and manages a VM (virtual machine) and allocates hardware resources for the host and any of its guest VMs?

Hypervisor

When Kyle visited Claremont Group of Institutions as a network professional to repair defective cable ends, he accidently left more than an inch of exposed cable before a twisted-pair termination. Analyze what the consequence of Kyle's error will be.

It will increase the possibility of transmission interference between wires.

The _____ is an environmentally controlled space that hosts the MC (main cross connect) and is the centralized point of interconnection for an organization's LAN.

MDF (Main Distribution Frame)

the _____ is the centralized point of interconnection for a LAN.

Main Distribution Frame

_____ is where several cloud customers pay for resources running on the same physical hardware.

Multitenancy

As a network administrator of your company, you have decided to implement redundant connections between network devices to solve problems like network bottlenecks. You have decided to implement this change so that multiple network interfaces and ports can act as one logical interface and focus on increasing total throughput and better load balancing. Which of the following will you use to implement this change in your Windows devices?

NIC teaming

Which cloud service model gives software developers access to multiple platforms for testing code?

PaaS

You need to connect a new network printer to a nearby wall jack. What kind of cable should you use?

Patch cable

As a senior network engineer, which of the following would you use when you are setting up a network connection at a university and you have to connect and organize lines running from walls to racks to network devices?

Patch panels

You are a network technician who, on inspection, has found that one of the cables is faulty as a result of which you now have to insert a new piece of twisted pair into the data receptors to complete the circuit. Which of the following will you apply to sort this issue?

Punchdown tool

If you're shopping for a rack switch, what component on the switch tells you it can be mounted to a rack?

Rack ears

You run a website called Offhand that sells exclusive handmade home decor items. On Mother's Day, the website unexpectedly receives a burst of traffic following the marketing campaign designed for this occasion. Thankfully, you are equipped with a good cloud service model and hence you are able to increase the cloud resources the website needs without disrupting your web services. Which of the following cloud characteristics helped you manage the situation easily?

Rapid elasticity

_____ allows data the option of traveling through more than one switch toward its destination and makes your network less vulnerable to hardware malfunctions.

Redundancy

An _____ is a legally binding contract or part of a con-tract that defines, in plain language and in measurable terms, the aspects of a service provided to a customer, such as the service provided by an ISP.

SLA (service level agreement)

An _____ documents in detail the work that must be completed for a particular project, and includes specifics such as tasks, deliverables, standards, payment schedule, and work timeline.

SOW

Resources can be changed quickly and dynamically and even automatically, in response to changing demands, is referred to as _____.

elasticity

A key factor in maintaining the availability of network resources is _____, or the capacity of a system to continue performing despite an unexpected hardware or software malfunction.

fault tolerance

A critically useful form of documentation is ____, which are graphical representations of a network's devices and connections.

network diagrams

essential network documentation should include all of the following except:

usernames

Cloud computing offers many significant advantages and opportunities for expansion, but it has its disadvantages as well. Which of the following options is the cheapest and simplest alternative to a cloud?

Internet

This lesson discussed all of the following cloud computing deployment models except:

Shared Virtual Cloud

Ross is running a small data entry back office, for which he has contracted you for network management. Ross has made it very clear that because he has just started the company he wants to cut down on expenses wherever he can. One such option involves the router-he wants to exchange the router with a similar but less expensive alternative. Which of the following will you refer to Ross in such a situation?

A layer 3 switch

As a developer, you need frequent access to multiple platforms during the development process. Rather than purchasing and maintaining a separate device for each platform, you have decided to avail the cloud service option. You are looking to build and test the applications within these virtual, online environments, which are tailored to the specific needs of the project. The cloud service model should have servers that provide only the resources needed to run an application and also allow customers to run their code directly in the cloud without having to manage a server environment at all. Which of the following cloud service models do you think would be appropriate considering your requirements?

PaaS (platform as a service)