Networks 511 Practice Flashcards

Comprehensive practice flashcards covering fundamental networking concepts, topologies, the OSI model, network devices, and infrastructure based on the Networks 511 module guide.

A __________ refers to two or more connected devices that share resources such as data and applications.

network

The __________ translates the data produced by the computer into a format that can be transmitted over the local network.

Network interface card (NIC)

A __________ connects computers within a small area such as an office or a home.

Local Area Network (LAN)

The main wireless standard 802.11a has a theoretical maximum speed of __________.

$$11\,Mbps$$

A __________ is larger than a local area network but smaller than a metropolitan area network.

Campus Area Network (CAN)

In a __________ network, computers do not have any central or special authority and are all considered equals.

Peer-to-Peer

The schematic description of a network arrangement, connecting various nodes through lines of connection, is called __________.

Network Topology

Mesh topology uses a specific formula to link $n$ devices, which is __________ physical channels.

$$n(n-2)/2$$

The central, high-capacity part of the network to which all segments and servers connect is known as the __________.

backbone

The cloud service model that provides only the network and platform virtualization environment is __________.

Infrastructure as a Service (IaaS)

A __________ refers to a cloud infrastructure exclusively dedicated to a single organization.

Private Cloud

The OSI model consists of __________ hierarchical layers developed to enable different networks to communicate reliably.

$$7$$

The __________ layer of the OSI model is responsible for the physical connection between devices and the transmission of raw data in bits.

Physical Layer (Layer 1)

Variable length packets or datagrams are converted to __________ for transmission on the local network at the Data Link layer.

frames

The revolutionary concept that decouples the control plane from the data plane is __________.

Software-Defined Networking (SDN)

A __________ is basically a multiport repeater that operates at the Physical layer (Layer 1) of the OSI model.

hub

The protocol used in Ethernet networks to coordinate transmissions and recover from collisions is __________.

Carrier Sense Multiple Access with Collision Detection (CSMA/CD)

A __________ maintains a MAC address table to intelligently forward traffic only to specific ports.

switch

The fastest method of frame forwarding that begins as soon as the destination MAC address is processed is __________ switching.

Cut-through

A __________ operates at Layer 3 of the OSI model and uses routing tables to determine the best path between networks.

router

To prevent network loops caused by multiple bridge paths, bridges use the __________ protocol.

Spanning Tree Protocol (STP)

Ethernet throughput is commonly expressed as a quantity of __________ transmitted per second.

bits

The __________ standard released in 2003 specifies a method for supplying electrical power over Ethernet connections.

802.3af

A MAC address is a unique identifier consisting of a __________-bit number.

$$48$$

In an IPv4 address, each of the four octets is an $$-bit number, making the total address __________ bits.

$$32$$

The __________ defines where the ISP’s network ends and the organization’s network begins.

demarcation point (demarc)

According to ANSI/TIA standards, the maximum permitted length for horizontal cabling is __________.

$$100\,m$$

The most common size for a network rack is __________, which stands approximately 6 feet tall.

$$42U$$

The process of finding and identifying devices on a network and showing their connections is called __________.

network mapping

The signaling protocol often used by voice gateways to set up and control VoIP calls is __________.

SIP (Session Initiation Protocol)