CTI 120 / Networking Essentials

Match the components in the notation 100Base-T to the specification. (Not all options are used.)

100: Speed in Mbps Base: Baseband transmission T: Twisted-pair cable

When a computer assembles a frame to be sent over the network, what is the maximum size of an Ethernet frame?

1518 bytes

Which type of technology is used to provide digital data transmissions over cell phone networks?

4G

Which wireless technology can be used to connect wireless headphones to a computer?

Bluetooth

Which type of network cable is used to connect the components that make up satellite communication systems?

Coaxial

Which network device is used to translate a domain name to the associated IP address?

DNS Server

What makes it possible for e-mail to be sent and received on a wide variety of devices, including cell phones, PDAs, laptops, and desktop computers?

E-mail software is written using standards and protocols that ensure compatibility.

Which term is used to refer to a Layer 2 PDU?​

Frame

What is a technology used in a cellular telephone network?

Global System for Mobile Communications (GSM)

Fill in the blank. The _______ is an organization that develops and maintains Ethernet and wireless standards.​

IEEE

What type of information is contained in an ARP table?

IP address to MAC address mappings

Refer to the exhibit. Which term correctly identifies the device type that is included in the area B?

Intermediary (routers in middle)

What is the purpose of an IP address?

It identifies the source and destination of data packets on a network.

The ______ address is a physical address assigned to every Ethernet network interface.​

MAC

A wireless network was recently installed in a coffee shop and customer mobile devices are not receiving network configuration information. What should be done to correct the problem?

Make sure the DHCP server is functional.

The ______ model breaks network communications down into seven functional layers.

OSI

Fill in the blank. When a network is installed in a high school, it is important for a network admin to create a ________ topology diagram to document where each host is located and how they are connected to the network.

Physical

Which two devices are considered end devices? (Choose two.)

Printer Laptop

Which type of network cable contains multiple copper wires and uses extra shielding to prevent interference?

STP

Which term refers to the set of rules that define how a network operates?

Standard

What are two wiring schemes defined by the TIA/EIA organization for Ethernet installation in homes and businesses? (Choose two.)

T568A T568B

Which statement describes the ping and tracert commands?

Tracert shows each hop, while ping shows a destination reply only.

What is the Internet?

a network of networks

What terms represent the maximum and actual speed that can be utilized by a device to transfer data?

bandwidth; throughput

Fill in the blank. When a user is visiting an e-learning website to learn about networking, the user computer is acting as a _____ ?

client

Which type of Ethernet cable should be used to directly connect two devices that both use the same pins for transmitting and receiving data?

crossover twisted-pair cable

Which term describes the interference when electrical impulses from one cable cross over to an adjacent cable?

crosstalk

Fill in the blank. Information in its raw or unorganized form that represents something is known as ______.

data

Which two layers of the OSI model specify protocols that are associated with Ethernet standards? (Choose two.)

data link later physical layer

Which IP configuration parameter provides the IP address of a network device that a computer would use to access the Internet?

default gateway

What address type does a switch use to make selective forwarding decisions?

destination MAC

What is an advantage of the peer-to-peer network model?

ease of setup

Which type of network cable is commonly used in backbone networks and telephone companies?

fiber-optic cable

What are two sources of electromagnetic interference that can affect data transmissions? (Choose two.)

florescent light fixture microwave oven

What is the purpose of the core layer in the Cisco hierarchical network design model?

high-speed backbone switching

Which type of network component is used to interconnect computing devices?

intermediate device

What is the delay in the amount of time for data to travel between two points on a network?

latency

Fill in the blank. In fiber-optic media, the signals are represented as patterns of ______.

light

Which three elements do all communication methods have in common? (Choose three.)

message source message destination transmission medium

What are three characteristics of UTP cabling? (Choose three.)

most commonly used networking cable easiest type of networking cable to install susceptible to EMI and RFI

What type of network is defined by two computers that can both send and receive requests for resources?

peer-to-peer

Which three layers of the OSI model make up the application layer of the TCP/IP model? (Choose three.)

presentation session application

Which type of network model describes the functions that must be completed at a particular layer, but does not specify exactly how each protocol should work?

reference model

What role does a router play on a network?

selecting the path to destination networks

Which term is used to describe a network device with the primary function of providing information to other devices?

server

Which criterion can be used to select the appropriate type of network media for a network?

the environment where the selected medium is to be installed

Which two criteria are used to help select a network medium for a network? (Choose two.)

the environment where the selected medium is to be installed the distance the selected medium can successfully carry a signal

Which items are collectively referred to as network media?

wires and radio waves