5 - 7 modules

What two characteristics describe an Ethernet cable? (Choose two.)

4 pairs of twisted cables color coded pairs of cables

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

46 to 1500 bytes

Match the protocol function to the description while taking into consideration that a network client is visiting a web site.

APPLICATION PROTOCOL: governing the way a web server and a web client interact INTERNET PROTOCOL: taking the segments from transport protocol, encapsulating them into packets, and assigning them with appropriate addresses NETWORK ACCESS PROTOCOL: preparing packets to be transmitted over the network media TRANSPORT PROTOCOL: managing the individual conversations between web servers and web clients

What are two common media used in networks? (Choose two.)

Copper and Fiber

Ethernet switches make their forwarding decision based on what field of the Ethernet frame?

Destination MAC address

A network technician is researching the use of fiber optic cabling in a new technology center. Which two issues should be considered before implementing fiber optic media? (Choose two.)

Fiber optic cabling requires different termination and splicing expertise from what copper cabling requires. Fiber optic provides higher data capacity but is more expensive than copper cabling.

Which type of network media carries data encoded into impulses of light?

Fiber-optic cable

When a switch receives an Ethernet frame and the destination MAC address of that frame is not in its MAC address table, the switch will:

Forward the frame out all ports except in the incoming port.

Which statement is correct about Ethernet switch frame forwarding decisions?

Frame forwarding decisions are based on MAC address and port mappings in the MAC Address table.

Which three acronyms/initialisms represent standards organizations? (Choose three.)

IANA, IEEE, IETF

Which three acronyms/initialisms represent standards organizations? (Choose three.)

IANA, IETF, IEEE

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

IETF

Match the TCP/IP model layer to the function.

INTERNET: determines the best path to forward data through the network APPLICATION: represents data to the user, data encoding, and dialog NETWORK ACCESS: controls hardware devices and media that make up the network TRANSPORT: supports communication between diverse devices across networks

Which protocol is used by routers to forward messages?

IP

What will a Layer 2 switch do when the destination MAC address of a received frame is not in the MAC table?

It forwards the frame out of all ports except for the port at which the frame was received.

What is one advantage of using fiber optic cabling rather than copper cabling?

It is able to carry signals much farther than copper cabling.

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

It will discard the frame.

The Ethernet protocol is at what layer of the OSI Model?

Layer 2 - Data Link

Which Ethernet frame field indicates the beginning of an Ethernet frame?

Preamble and SFD

The IETF (Internet Engineering Task Force) records and publishes internet standards in documents known as:

Request for Comments (RFC)

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.

Which protocol is responsible for guaranteeing reliable delivery?

TCP

When an Ethernet frame is sent out an interface, the destination MAC address indicates:

The MAC address of the device, which is on this network, that will receive the Ethernet frame.

Which statement is true about the TCP/IP and OSI models?

The TCP/IP transport layer and OSI Layer 4 provide similar services and functions.

Refer to the exhibit. A PC with the MAC address of 0800.069d.3841 attached to port Fa0/8 is sending data to a device that has the MAC address of 6400.6a5a.6821. What will the switch do first to handle the data transfer?

The switch will add the address 0800.069d.3841 to the MAC address table.

Refer to the exhibit. The exhibit shows a small switched network and the contents of the MAC address table of the switch. PC1 has sent a frame addressed to PC3. What will the switch do with the frame?

The switch will forward the frame to all ports except port 4.

Which of the following is NOT a criterion for choosing a network media?

The type of data that can be transmitted

Which statement is correct about network protocols?

They define how messages are exchanged between the source and the destination.

Which statement defines a data communications protocol?

a set of rules that govern the communication process

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

application presentation session

What is the most common type of wired media used by TV companies to connect and carry signals to a set-top box within a home?

coaxial cable

Which two types of network media carries data encoded into electrical impulses? (Choose two.)

coaxial cable, twisted-pair cable

Which type of network media carries data encoded into electrical impulses?

copper cable

Which two OSI model layers have the same functionality as a single layer of the TCP/IP model? (Choose two.)

data link, physical

Which two layers of the OSI Model maps directly as the single network access layer in the TCP/IP model? (Choose two)

data link, physical

What is one function of a Layer 2 switch?

determines which interface is used to forward a frame based on the destination MAC address

Rory is studying the fields inside an Ethernet frame for an upcoming test and notices that the destination Media Access Control (MAC) address is listed first before the source MAC address. Which of the following protocol characteristics is Rory investigating?

encapsulation

The process of prepending protocol information with information from another protocol is called:

encapsulation

What process is used to place one message inside another message for transfer from the source to the destination?

encapsulation

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

encapsulation

Refer to the graphic. What type of cabling is shown? ​

fiber

A network technician is extending the network from the main office building over several hundred meters to a new security station. The security station needs a high speed connection to support video surveillance of the main building. What type of cable is best suited to connect the security station to the rest of the main office network?

fiber optic

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

fiber-optic cable

Which type of wired media is used to carry digital information at very high speeds over long distances?

fiber-optic cable

What makes fiber preferable to copper cabling for interconnecting buildings? (Choose three.)

greater distances per cable run, limited susceptibility to EMI/RFI, greater bandwidth potential

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

message source message destination transmission medium

Bianka, a Polish traveler in Hanoi, Vietnam, stops and asks Nguyệt for directions to the Ngoc Son Temple. They verbally communicate and determine that they both speak English. After receiving directions in English to the temple, Bianka repeats them to Nguyệt. Nguyệt says, "Yes, that is correct." Select the order of the communications protocols used in this scenario?

method, language, confirmation

IP addressing occurs at what layer of the OSI Model?

network

Ethernet hubs are considered:

obsolete

What networking term describes a particular set of rules at one layer that govern communication at that layer?

protocol

The rules that govern network communications including the message format, message size, timing, and encapsulation, are known as network:

protocols

What is the purpose of protocols in data communications?

providing the rules required for a specific type of communication to occur

Which data encoding technology is used in fiber-optic cables?

pulses of light

What is the purpose of using twisted pairs of wires in an Ethernet cable?

reduce interference

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

session, presentation, application

Ethernet switches add entries to their MAC address table based on what field of the Ethernet frame?

source MAC address

Which type of address does a switch use to build the MAC address table?

source MAC address

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

source physical address, frame check sequence, destination physical address

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

standard

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

Which three factors should be considered when choosing the appropriate network media? (Choose three.)

the environment in which the media is installed, the amount of data and the data transfer rate desired, the distance between hosts that the media will connect

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

What addressing information is recorded by a switch to build its MAC address table?

the source Layer 2 address of incoming frames

Which information does a switch use to keep the MAC address table information current?

the source MAC address and the incoming port

Which information does a switch use to populate the MAC address table?

the source MAC address and the incoming port

Which two applications are suitable for deploying coaxial cables? (Choose two.)

to connect various components in a satellite communication system to connect a TV set to the wall plug at home

What is the purpose of the FCS field in a frame?

to determine if errors occurred in the transmission and reception

What is the purpose of the OSI physical layer?

transmitting bits across the local media

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

transport

Which two OSI model layers have the same functionality as two layers of the TCP/IP model? (Choose two.)

transport, network

A network administrator in a small office is upgrading the local network within the building. New network cables are needed to connect office computers and networking devices. Which network media should the administrator use?

twisted-pair cable

Which is the most common type of wired media to connect end devices to an Ethernet LAN?

twisted-pair cable

Which type of network cable is commonly used to connect office computers to the local network?

twisted-pair cable

What are two actions performed by a Cisco switch? (Choose two.)

utilizing the MAC address table to forward frames via the destination MAC address using the source MAC addresses of frames to build and maintain a MAC address table