Online Connections Quiz

When an Ethernet switch receives a frame that is broadcast, it will

Forward the frame out all ports except the incoming port

Which standards organization publishes current Ethernet standards?

IEEE

What identifier is used at the data link layer to uniquely identify an Ethernet device?

MAC address

Which wireless technology is used on smart phones to transmit data to another device within very close proximity?

NFC

What type of Ethernet twisted-pair cable may be required when the electrical environment has strong EMI and RFI interference?

STP

Which term refers to the process of placing one message format inside another message format?

encapsulation

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

fiber-optic cable

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

standard

What is the purpose of ARP in an IPv4 network?

to obtain a specific MAC address when an IP address is known

How much data can be encapsulated into a normal sized Ethernet frame before it is sent over the network?

46 to 1500 bytes

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

4G

Host-A has an Ethernet frame to send to Host-B on the same network. Host-A knows the IP address of Host-B but not its MAC address. What message will Host-A send to determine the MAC address of Host B?

ARP request

Which statement is true about broadcast and collision domains?

Adding a switch to a network will increase the size of the broadcast domain.

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

Bluetooth

What are two recommendations for an organization that is implementing network device naming standards?

Each device should have a unique, meaningful name and device names should be in a consistent format.

The destination MAC address of an Ethernet broadcast in hexadecimal is:

FFFF.FFFF.FFFF

Which destination address is used in an ARP request frame?

FFFF.FFFF.FFFF

What is a technology used in a cellular telephone network?

Globo System for Mobile Communications (GSM)

Host-A sends an ARP request and receives an ARP reply from Host-B. What is in the ARP reply that Host-A did not know and needs to communicate with Host-B?

Host B's MAC address

Which organization publishes and manages the Request for Comments (RFC) documents?

IETF

Which statement describes the physical topology for a LAN?

It defines how hosts and network devices connect to the LAN.

What is a purpose of an IP address?

It identifies the source and destination of data packets.

Which statement describes a MAC address?

It is a physical address assigned to an Ethernet NIC by the manufacturer.

A group of newly hired entry-level network engineers are talking about the network cabling they are going to have to install as a team. What is a characteristic of Ethernet straight-through UTP cable?

It is susceptible to interferences from EMI and RFI.

Refer to the exhibit. A user is creating a wired and wireless network using Packet Tracer. The user has added a home wireless router, a PC, and a laptop. The user configures the home wireless router. Which icon represents the tool that can be used on the laptop to view the SSID and connect to the wireless router?

PC Wireless

Which of the following is the most common type of connector used to terminate twisted-pair cabling?

RJ-45

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

STP

Refer to the exhibit. How is a frame sent from PCA forwarded to PCC if the MAC address table on switch SW1 is empty?

SW1 floods the frame on all ports on SW1, excluding the port through which the frame entered the switch.

A traveling sales representative uses a cell phone to interact with the home office and customers, track samples, make sales calls, log mileage, and upload/download data while at a hotel. Which internet connectivity method would be a preferred method to use on the mobile device due to the low cost?

Wi-Fi

An ARP request is sent out as:

a broadcast, so all devices on the same network will receive it.

Which statement defines a data communications protocol?

a set of rules that govern the communication process

Which two devices would commonly be found at the access layer of the hierarchical enterprise LAN design model? (Choose two.)

access point, Layer 2 switch

Which three layers of the OSI model are comparable in function to the application layer of the TCP/IP model?

application/presentation/session

Which type of data cable is used by television companies to carry data and video signals?

coaxial

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

A type of interference that occurs when cables are bundled together for long lengths is known as:

crosstalk

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

crosstalk

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

default getaway

Which menu item would be used to bring up a web browser?

desktop

What is a role of an intermediary device on a network?

determines the path and directs data along the way to its final destination

A network specialist has been hired to install a network in a company that assembles airplane engines. Because of the nature of the business, the area is highly affected by electromagnetic interference. Which type of network media should be recommended so that the data communication will not be affected by EMI?

fiber optic

Which three fields are found in an 802.3 Ethernet frame? (Choose three.)

frame check sequence, source physical address, destination physical address

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

high-speed backbone switching

Which category of network components includes wires and cables used in a wired network?

media

When the growth of a small network is being planned, which design element will include the physical and logical topology of the network?

network documentation

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

peer-to-peer

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

physical layer, data link layer

Which command can be used to verify connectivity between two host devices?

ping

Which network device can serve as a boundary to divide a Layer 2 broadcast domain?

router

A teenager has asked the grandparents for a specific type of mobile technology. The grandparents do not remember the specific name of the device, but remember that the teenager wants to receive a cell phone call on it. Which technology is likely to be the one the teenager wants?

smart watch

What information does an Ethernet switch examine and use to build its address table?

source MAC address

Refer to the exhibit. One end of the cable is terminated as displayed, and the other end is terminated in accordance with the T568A standard. What type of cable would be created in this manner?

straight-through

Which network device has the primary function to send data to a specific destination based on the information found in the MAC address table?

switch

Host-B receives an ARP request. Host-B will return an ARP Reply if

the IP address in the ARP request matches its own IP address

A network administrator would like to determine the path a packet takes to reach the destination 192.168.1.1. What is the best command to determine the network path?

tracert 192.168.1.1

Which three elements do all communication methods have in common?

transmission medium, message destination, message source

Which layer of the OSI model defines services to segment and reassemble data for individual communications between end devices?

transport