Cisco Netacad Chapter 1 Quiz

Intranet Refer to curriculum topic: 1.2.3 Intranets connect LANs and WANs that should only be accessible by internal employees, whereas an extranet allows organizations to do business directly with other external organizations by allowing them access to part of the internal network.

fault tolerance Refer to curriculum topic: 1.3.2 Fault tolerance is the characteristic of a network which allows it to quickly respond to failures of network devices, media, or services. Quality of service refers to the measures taken to ensure that network traffic requiring higher throughput receives the required network resources. Scalability refers to the ability of the network to grow to accommodate new requirements. Security refers to protecting networks and data from theft, alteration, or destruction. Integrity refers to the completeness of something and is generally not used as a characteristic of networks in the same way as the other terms.

spyware Refer to curriculum topic: 1.4.3 Spyware is software that is installed on a network device and that collects information.

A - MAN B - LAN C - WLAN D - WAN Refer to curriculum topic: 1.2.2 Network A is a MAN. It consists of a number of different types of facilities that are connected within the same geographic area. Network B is a LAN. It is located in a limited geographic area in a single building. Network C is a WLAN. It is a LAN in which the devices are connected wirelessly. Finally option D shows a WAN. It is two geographically separate LANs that are connected to the same enterprise.

a network infrastructure that provides access to other networks over a large geographic area Refer to curriculum topic: 1.2.2 A WAN provides access to other networks over a large geographic area. A SAN provides data storage, retrieval, and replication. A MAN spans a limited physical area such as a city. A LAN provides access in a small geographic area.

grows in size without impacting existing users & suitable for modular devices that allow for expansion Refer to curriculum topic: 1.3.2 Scalable networks are networks that can grow without requiring costly replacement of existing network devices. One way to make a network scalable is to buy networking devices that are modular.

It is an organization that enables individuals and businesses to connect to the Internet. Refer to curriculum topic: 1.2.4 An ISP, or Internet Service Provider, is an organization that provides access to the Internet for businesses and individuals.

A single network that delivers voice, video, and data to a variety of devices. Refer to curriculum topic: 1.3.1 A converged network unifies different network services, such as streaming video, voice, and data, on a single platform and within a single infrastructure.

intermediary Refer to curriculum topic: 1.2.1 Routers and switches are intermediary devices. End devices consist of PCs, laptops, and servers. They also include printers, VoIP phones, security cameras, and hand-held devices.

ARPANET or Advanced Research Projects Agency Network

BYOD provides flexibility in where and how users can access network resources. Refer to curriculum topic: 1.4.1 A BYOD environment requires an organization to accommodate a variety of devices and access methods. Personal devices, which are not under company control, may be involved, so security is critical. Onsite hardware costs will be reduced, allowing a business to focus on delivering collaboration tools and other software to BYOD users.

Metro Ethernet - High Speed Business class copper satellite - Rquires a Dish and clear line of sight SDSL - business class service cable - signal carried over the same copper or fiber medium as the television signal cellular - Access via the cell phone network Refer to curriculum topic: 1.2.4 DSL uses a high-speed modem to split the existing telephone line into voice, download, and upload signal channels. SDSL is a format of DSL that provides business class service featuring the same speeds for uploading and downloading. Cable uses the same coaxial or fiber optic cable that carries television signals into the home to provide Internet access. Satellite requires a clear line of sight and is affected by trees and other obstructions. Cellular access to the internet is provided by the cell phone network. Cellular provides access in areas that otherwise have no other form of access. Metro Ethernet is a dedicated business class of service that connects organizations to the internet via copper or fiber cable at speeds up to 10Gb/s.

a farm in a rural area without wired broadband access Refer to curriculum topic: 1.4.2 Wireless Internet Service Providers (WISPs) are typically found in rural areas where DSL or cable access is not available. A dish or antenna on the property of the subscriber connects wirelessly to a WISP transmitter, eliminating the need for physical cabling outside the building.

VPN Refer to curriculum topic: 1.4.3 Virtual private networks (VPN) are used to provide secure access to remote workers.

VoIP phone & security camera & TelePresence endpoint Refer to curriculum topic: 1.2.1 Routers, switches, and access points are intermediary devices.

Internal or Inside Refer to curriculum topic: 1.4.3 Typical internal security threats include weak or exposed passwords, lost or stolen devices, and malicious employees.