ITN | Modules 4

What action will occur if a host receives a frame with a destination MAC address it does not recognize?

The host forwards the frame to all other hosts.

The host will discard the frame.

The host forwards the frame to the router.

The host sends the frame to the switch to update the MAC address table.

Correct! Wrong!

What are two examples of the cut-through switching method? (Choose two.)

Please select 2 correct answers

store-and-forward switching

CRC switching

QOS switching

fast-forward switching

fragment-free switching

Correct! Wrong!

What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?

192.0.2.199

198.51.100.201

203.0.113.211

209.165.201.223

Correct! Wrong!

A network administrator is measuring the transfer of bits across the company backbone for a mission critical financial application. The administrator notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)

Please select 3 correct answers

the reliability of the gigabit Ethernet infrastructure of the backbone

the type of traffic that is crossing the network

the latency that is created by the number of network devices that the data is crossing

the bandwidth of the WAN connection to the Internet

the sophistication of the encapsulation method applied to the data

the amount of traffic that is currently crossing the network

Correct! Wrong!

What OSI physical layer term describes the measure of usable data transferred over a given period of time?

air

copper cable

goodput

fiber-optic cable

Correct! Wrong!

Which two engineering organizations define open standards and protocols that apply to the data link layer? (Choose two.)

Please select 2 correct answers

International Telecommunication Union (ITU)

Internet Society (ISOC)

Internet Assigned Numbers Authority (IANA)

Electronic Industries Alliance (EIA)

International Organization for Standardization (ISO)

Correct! Wrong!

What is the function of the CRC value that is found in the FCS field of a frame?

to verify the logical address in the frame

to verify the physical address in the frame

to verify the integrity of the received frame

to compute the checksum header for the data field in the frame

Correct! Wrong!

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

router

hub

switch

modem

Correct! Wrong!

What is the decimal equivalent of the binary number 10010101?

157

192

168

149

Correct! Wrong!

Which switching method uses the CRC value in a frame?

cut-through

fast-forward

fragment-free

store-and-forward

Correct! Wrong!

What are two characteristics of fiber-optic cable? (Choose two.)

Please select 2 correct answers

It is more expensive than UTP cabling is.

It is not affected by EMI or RFI.

It combines the technique of cancellation, shielding, and twisting to protect data.

It typically contains 4 pairs of fiber-optic wires.

Each pair of cables is wrapped in metallic foil.

Correct! Wrong!

What OSI physical layer term describes the amount of time, including delays, for data to travel from one point to another?

bandwidth

throughput

latency

fiber-optic cable

Correct! Wrong!

Which two characteristics describe Ethernet technology? (Choose two.)

Please select 2 correct answers

It is supported by IEEE 802.3 standards

It uses the CSMA/CD access control method

It uses a ring topology

It typically uses an average of 16 Mb/s for data transfer rates

It is supported by IEEE 802.5 standards

Correct! Wrong!

A network team is comparing physical WAN topologies for connecting remote sites to a headquarters building. Which topology provides high availability and connects some, but not all, remote sites?

partial mesh

hub and spoke

mesh

point-to-point

Correct! Wrong!

What OSI physical layer term describes the measure of the transfer of bits across a medium over a given period of time?

bandwidth

throughput

goodput

latency

Correct! Wrong!

What type of address is 01-00-5E-0A-00-02?

an address that reaches every host in the network

an address that reaches every host inside a local subnet

an address that reaches a specific group of hosts

an address that reaches one specific host

Correct! Wrong!

What does a router do after de-encapsulating a received frame?

de-encapsulates the frame

forwards the new frame onto the network medium

re-encapsulates the packet into a new frame

determines the best path

Correct! Wrong!

What is the special value assigned to the first 24 bits of a multicast MAC address?

FF-00-5E

01-5E-00

FF-FF-FF

01-00-5E

Correct! Wrong!

What is the binary representation of 0xCA?

11010101

11001010

10111010

11011010

Correct! Wrong!

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

to compute the CRC header for the data field

to verify the logical address of the sending node

to determine if errors occurred in the transmission and reception

to obtain the MAC address of the sending node

Correct! Wrong!

Which IPv4 address format was created for ease of use by people and is expressed as 201.192.1.14?

ASCII

dotted decimal

binary

hexadecimal

Correct! Wrong!

What action will occur if a host receives a frame with a destination MAC address of FF:FF:FF:FF:FF:FF?

The host will process the frame.

The host forwards the frame to the router.

The host forwards the frame to all other hosts.

The host sends the frame to the switch to update the MAC address table.

Correct! Wrong!

Given the binary address of 11101100 00010001 00001100 00001010, which address does this represent in dotted decimal format?

236.17.12.6

234.17.10.9

234.16.12.10

236.17.12.10

Correct! Wrong!

Which statement is true about the CSMA/CD access method that is used in Ethernet?

When a device hears a carrier signal and transmits, a collision cannot occur.

All network devices must listen before transmitting.

A jamming signal causes only devices that caused the collision to execute a backoff algorithm.

Devices involved in a collision get priority to transmit after the backoff period.

Correct! Wrong!

What OSI physical layer term describes the capacity at which a medium can carry data?

bandwidth

EIA/TIA

air

IEEE

Correct! Wrong!

Although CSMA/CD is still a feature of Ethernet, why is it no longer necessary?

the use of Gigabit Ethernet speeds

the development of half-duplex switch operation

the use of CSMA/CA

the use of full-duplex capable Layer 2 switches

the virtually unlimited availability of IPv6 addresses

Correct! Wrong!

Which switching method has the lowest level of latency?

fragment-free

store-and-forward

cut-through

fast-forward

Correct! Wrong!

Which is a function of the Logical Link Control (LLC) sublayer?

to provide data link layer addressing

to accept segments and package them into data units that are called packets

to identify which network layer protocol is being used

to define the media access processes that are performed by the hardware

Correct! Wrong!

What happens to runt frames received by a Cisco Ethernet switch?

The frame is dropped.

The frame is returned to the originating network device.

The frame is sent to the default gateway.

The frame is broadcast to all other devices on the same network.

Correct! Wrong!

Which two functions are performed at the MAC sublayer of the OSI data link layer? (Choose two.)

Please select 2 correct answers

Enables IPv4 and IPv6 to utilize the same network interface and media.

Implements a trailer to detect transmission errors.

Adds Layer 2 control information to network protocol data.

Places information in the frame that identifies which network layer protocol is being used for the frame.

Controls the NIC responsible for sending and receiving data on the physical medium.

Correct! Wrong!

Which statement describes a characteristic of the frame header fields of the data link layer?

They vary depending on protocols.

Ethernet frame header fields contain Layer 3 source and destination addresses.

They include information on user applications.

They all include the flow control and logical connection fields.

Correct! Wrong!

Which media communication type does not require media arbitration in the data link layer?

controlled access

half-duplex

deterministic

full-duplex

Correct! Wrong!

When the store-and-forward method of switching is in use, what part of the Ethernet frame is used to perform an error check?

CRC in the trailer

source MAC address in the header

destination MAC address in the header

protocol type in the header

Correct! Wrong!

A network administrator is connecting two modern switches using a straight-through cable. The switches are new and have never been configured. Which three statements are correct about the final result of the connection? (Choose three.)

Please select 3 correct answers

The duplex capability has to be manually configured because it cannot be negotiated.

The link between switches will work as full-duplex.

The link between the switches will work at the fastest speed that is supported by both switches.

If both switches support different speeds, they will each work at their own fastest speed.

The connection will not be possible unless the administrator changes the cable to a crossover cable.

The auto-MDIX feature will configure the interfaces eliminating the need for a crossover cable.

Correct! Wrong!

What is the definition of bandwidth?

the speed at which bits travel on the network

the measure of usable data transferred over a given period of time

the amount of data that can flow from one place to another in a given amount of time

the measure of the transfer of bits across the media over a given period of time

Correct! Wrong!

Which is a valid hexadecimal number?

Correct! Wrong!

What are three ways that media access control is used in networking? (Choose three.)

Please select 3 correct answers

802.11 utilizes CSMA/CD.

Ethernet utilizes CSMA/CD.

Contention-based access is also known as deterministic.

Data link layer protocols define the rules for access to different media.

Networks with controlled access have reduced performance due to data collisions.

Media access control provides placement of data frames onto the media.

Correct! Wrong!

What method is used to manage contention-based access on a wireless network?

priority ordering

CSMA/CD

CSMA/CA

token passing

Correct! Wrong!

What is the binary equivalent of the decimal number 232?

11110010

11101000

10011000

11000110

Correct! Wrong!

Which two functions are performed at the LLC sublayer of the OSI data link layer? (Choose two.)

Please select 2 correct answers

Enables IPv4 and IPv6 to utilize the same network interface and media.

Controls the NIC responsible for sending and receiving data on the physical medium.

Places information in the frame that identifies which network layer protocol is being used for the frame.

Integrates various physical technologies.

Implements a process to delimit fields within a Layer 2 frame.

Correct! Wrong!

Which two statements are correct about IPv4 and IPv6 addresses? (Choose two.)

Please select 2 correct answers

IPv6 addresses are represented by hexadecimal numbers.

IPv6 addresses are 32 bits in length.

IPv6 addresses are 64 bits in length.

IPv4 addresses are 32 bits in length.

IPv4 addresses are represented by hexadecimal numbers.

IPv4 addresses are 128 bits in length.

Correct! Wrong!

Which characteristic describes crosstalk?

the distortion of the network signal from fluorescent lighting

the weakening of the network signal over long cable lengths

the distortion of the transmitted messages from signals carried in adjacent wires

the loss of wireless signal over excessive distance from the access point

Correct! Wrong!

Which advantage does the store-and-forward switching method have compared with the cut-through switching method?

frame error checking

collision detecting

frame forwarding using IPv4 Layer 3 and 4 information

faster frame forwarding

Correct! Wrong!

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

Please select 2 correct answers

building a routing table that is based on the first IP address in the frame header

forwarding frames with unknown destination IP addresses to the default gateway

using the source MAC addresses of frames to build and maintain a MAC address table

examining the destination MAC address to add new entries to the MAC address table

utilizing the MAC address table to forward frames via the destination MAC address

Correct! Wrong!

What attribute of a NIC would place it at the data link layer of the OSI model?

IP address

TCP/IP protocol stack

attached Ethernet cable

RJ-45 port

MAC address

Correct! Wrong!

How many binary bits exist within an IPv6 address?

256

128

Correct! Wrong!

Which frame forwarding method receives the entire frame and performs a CRC check to detect errors before forwarding the frame?

fast-forward switching

fragment-free switching

store-and-forward switching

cut-through switching

Correct! Wrong!

Which two functions or operations are performed by the MAC sublayer? (Choose two.)

Please select 2 correct answers

It adds control information to network protocol layer data

It is responsible for Media Access Control

It performs the function of NIC driver software

It handles communication between upper and lower layers

It adds a header and trailer to form an OSI Layer 2 PDU

Correct! Wrong!

What is true concerning physical and logical topologies?

Logical topologies refer to how a network transfers data between devices.

Physical topologies display the IP addressing scheme of each network.

Physical topologies are concerned with how a network transfers frames.

The logical topology is always the same as the physical topology.

Correct! Wrong!

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

Please select 3 correct answers

limited susceptibility to EMI/RFI

greater distances per cable run

greater bandwidth potential

lower installation cost

durable connections

easily terminated

Correct! Wrong!

What statement describes a characteristic of MAC addresses?

They are added as part of a Layer 3 PDU

They must be globally unique

They are only routable within the private network

They have a 32-bit binary value

Correct! Wrong!

In addition to the cable length, what two factors could interfere with the communication carried over UTP cables? (Choose two.)

Please select 2 correct answers

electromagnetic interference

signal modulation technique

bandwidth

crosstalk

size of the network

Correct! Wrong!

With the use of unshielded twisted-pair copper wire in a network, what causes crosstalk within the cable pairs?

the magnetic field around the adjacent pairs of wire

the use of braided wire to shield the adjacent wire pairs

the collision caused by two nodes trying to use the media simultaneously

the reflection of the electrical wave back from the far end of the cable

Correct! Wrong!

What action will occur if a switch receives a frame with the destination MAC address 01:00:5E:00:00:D9?

The switch does not forward the frame.

The switch shares the MAC address table entry with any connected switches.

The switch forwards it out all ports except the ingress port.

The switch sends the frame to a connected router because the destination MAC address is not local.

Correct! Wrong!

What does the term “attenuation” mean in data communication?

loss of signal strength as distance increases

leakage of signals from one cable pair to another

strengthening of a signal by a networking device

time for a signal to reach its destination

Correct! Wrong!

What is a characteristic of the LLC sublayer?

It provides delimitation of data according to the physical signaling requirements of the medium.

It provides the logical addressing required that identifies the device.

It defines software processes that provide services to the physical layer.

It places information in the frame allowing multiple Layer 3 protocols to use the same network interface and media.

Correct! Wrong!

What is the decimal equivalent of 0xC9?

185

199

201

200

Correct! Wrong!

What is a primary role of the Physical layer in transmitting data on the network?

determine the path packets take through the network

provide physical addressing to the devices

create the signals that represent the bits in each frame on to the media

control data access to the media

Correct! Wrong!

Which statement describes the half-duplex mode of data transmission?

Data that is transmitted over the network flows in one direction to many different destinations simultaneously.

Data that is transmitted over the network flows in one direction at a time.

Data that is transmitted over the network can only flow in one direction.

Data that is transmitted over the network flows in both directions at the same time.

Correct! Wrong!

Which standards organization oversees development of wireless LAN standards?

IEEE

IANA

TIA

ISO

Correct! Wrong!

A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized?

data link layer

presentation layer

physical layer

network layer

Correct! Wrong!

What is the purpose of the OSI physical layer?

controlling access to media

transmitting bits across the local media

exchanging frames between nodes over physical network media

performing error detection on received frames

Correct! Wrong!

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

It is able to be installed around sharp bends.

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

It is easier to terminate and install than copper cabling.

It is usually cheaper than copper cabling.

Correct! Wrong!

What OSI physical layer term describes the physical medium that uses the propagation of light?

latency

goodput

throughput

fiber-optic cable

Correct! Wrong!

What is the auto-MDIX feature?

It enables a switch to dynamically select the forwarding method.

It enables a device to automatically configure the duplex settings of a segment.

It enables a device to automatically configure an interface to use a straight-through or a crossover cable.

It enables a device to automatically configure the speed of its interface.

Correct! Wrong!

What is one advantage of using the cut-through switching method instead of the store-and-forward switching method?

has a positive impact on bandwidth by dropping most of the invalid frames

makes a fast forwarding decision based on the source MAC address of the frame

provides the flexibility to support any mix of Ethernet speeds

has a lower latency appropriate for high-performance computing applications

Correct! Wrong!

Which type of UTP cable is used to connect a PC to a switch port?

rollover

console

crossover

straight-through

Correct! Wrong!

Which function or operation is performed by the LLC sublayer?

It communicates with upper protocol layers.

It is responsible for media access control.

It performs data encapsulation.

It adds a header and trailer to a packet to form an OSI Layer 2 PDU.

Correct! Wrong!

What is the binary representation for the decimal number 173?

10101101

10100101

10100111

10110101

Correct! Wrong!

What will a host on an Ethernet network do if it receives a frame with a destination MAC address that does not match its own MAC address?

It will forward the frame to the next host

It will strip off the data-link frame to check the destination IP address

It will remove the frame from the media

It will discard the frame

Correct! Wrong!

What OSI physical layer term describes the process by which one wave modifies another wave?

modulation

air

IEEE

EIA/TIA

Correct! Wrong!

Which layer of the OSI model is responsible for specifying the encapsulation method used for specific types of media?

physical

transport

data link

application

Correct! Wrong!

A Layer 2 switch is used to switch incoming frames from a 1000BASE-T port to a port connected to a 100Base-T network. Which method of memory buffering would work best for this task?

level 1 cache buffering

port-based buffering

fixed configuration buffering

shared memory buffering

Correct! Wrong!

What are the two sizes (minimum and maximum) of an Ethernet frame? (Choose two.)

Please select 2 correct answers

64 bytes

1024 bytes

128 bytes

1518 bytes

56 bytes

Correct! Wrong!

What is indicated by the term throughput?

the measure of the bits transferred across the media over a given period of time

the capacity of a particular medium to carry data

the time it takes for a message to get from sender to receiver

the guaranteed data transfer rate offered by an ISP

the measure of the usable data transferred across the media

Correct! Wrong!

What is a characteristic of UTP cabling?

immunity to electrical hazards

cladding

woven copper braid or metallic foil

cancellation

Correct! Wrong!

Why are two strands of fiber used for a single fiber optic connection?

The two strands allow the data to travel for longer distances without degrading.

They prevent crosstalk from causing interference on the connection.

They allow for full-duplex connectivity.

They increase the speed at which the data can travel.

Correct! Wrong!

Which data link layer media access control method does Ethernet use?

token passing

CSMA/CD

determinism

turn taking

Correct! Wrong!

What type of cable is used to connect a workstation serial port to a Cisco router console port?

crossover

straight-through

coaxial

rollover

Correct! Wrong!

What OSI physical layer term describes the physical medium for microwave transmissions?

throughput

goodput

air

latency

Correct! Wrong!

Which procedure is used to reduce the effect of crosstalk in copper cables?

designing a cable infrastructure to avoid crosstalk interference

avoiding sharp bends during installation

requiring proper grounding connections

twisting opposing circuit wire pairs together

wrapping the bundle of wires with metallic shielding

Correct! Wrong!

Which statement is true about MAC addresses?

MAC addresses are implemented by software.

The first three bytes are used by the vendor assigned OUI.

The ISO is responsible for MAC addresses regulations.

A NIC only needs a MAC address if connected to a WAN.

Correct! Wrong!

A technician has been asked to develop a physical topology for a network that provides a high level of redundancy. Which physical topology requires that every node is attached to every other node on the network?

ring

star

hierarchical

bus

mesh

Correct! Wrong!

During the encapsulation process, what occurs at the data link layer for a PC connected to an Ethernet network?

The physical address is added.

An IP address is added.

The logical address is added.

The process port number is added.

Correct! Wrong!

Which two devices commonly affect wireless networks? (Choose two.)

Please select 2 correct answers

incandescent light bulbs

Blu-ray players

microwaves

cordless phones

home theaters

external hard drives

Correct! Wrong!

What is auto-MDIX?

a feature that detects Ethernet cable type

a type of Cisco switch

a type of port on a Cisco switch

an Ethernet connector type

Correct! Wrong!

What is the auto-MDIX feature on a switch?

the automatic configuration of an interface for a straight-through or a crossover Ethernet cable connection

the ability to turn a switch interface on or off accordingly if an active connection is detected

the automatic configuration of full-duplex operation over a single Ethernet copper or optical cable

the automatic configuration of an interface for 10/100/1000 Mb/s operation

Correct! Wrong!

What are the two sublayers of the OSI model data link layer? (Choose two.)

Please select 2 correct answers

internet

transport

MAC

physical

network access

LLC

Correct! Wrong!

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

the source Layer 3 address of outgoing packets

the destination Layer 2 address of outgoing frames

the destination Layer 3 address of incoming packets

the source Layer 2 address of incoming frames

Correct! Wrong!

Which two statements describe the services provided by the data link layer? (Choose two.)

Please select 2 correct answers

It ensures that application data will be transmitted according to the prioritization.

It packages various Layer 3 PDUs into a frame format that is compatible with the network interface.

It maintains the path between the source and destination devices during the data transmission.

It manages the access of frames to the network media.

It defines the end-to-end delivery addressing scheme.

It provides reliable delivery through link establishment and flow control.

Correct! Wrong!

Which is a multicast MAC address?

5C-26-0A-4B-19-3E

00-26-0F-4B-00-3E

01-00-5E-00-00-03

FF-FF-FF-FF-FF-FF

Correct! Wrong!

Which two statements describe features or functions of the logical link control sublayer in Ethernet standards? (Choose two.)

Please select 2 correct answers

The LLC sublayer is responsible for the placement and retrieval of frames on and off the media.

The data link layer uses LLC to communicate with the upper layers of the protocol suite.

Logical link control is specified in the IEEE 802.3 standard.

The LLC sublayer adds a header and a trailer to the data.

Logical link control is implemented in software.

Correct! Wrong!

What are two services performed by the data link layer of the OSI model? (Choose two.)

Please select 2 correct answers

It encrypts data packets.

It accepts Layer 3 packets and encapsulates them into frames.

It provides media access control and performs error detection.

It monitors the Layer 2 communication by building a MAC address table.

It determines the path to forward packets.

Correct! Wrong!

What is contained in the trailer of a data-link frame?

logical address

error detection

physical address

data

Correct! Wrong!

What type of communication rule would best describe CSMA/CD?

message encapsulation

access method

message encoding

flow control

Correct! Wrong!

Which three basic parts are common to all frame types supported by the data link layer? (Choose three.)

Please select 3 correct answers

data

MTU size

trailer

header

type field

CRC value

Correct! Wrong!

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

IP address

sequence number

TCP port number

UDP port number

MAC address

Correct! Wrong!

Which two fields or features does Ethernet examine to determine if a received frame is passed to the data link layer or discarded by the NIC? (Choose two.)

Please select 2 correct answers

Frame Check Sequence

auto-MDIX

source MAC address

minimum frame size

CEF

Correct! Wrong!

How many bits are in an IPv4 address?

256

128

Correct! Wrong!

What action will occur if a switch receives a frame with the destination MAC address FF:FF:FF:FF:FF:FF?

The switch forwards it out all ports except the ingress port.

The switch sends the frame to a connected router because the destination MAC address is not local.

The switch shares the MAC address table entry with any connected switches.

The switch does not forward the frame.

Correct! Wrong!

What is the dotted decimal representation of the IPv4 address which is represented as the binary string 00001010.01100100.00010101.00000001?

10.10.20.1

10.100.21.1

100.21.10.1

100.10.11.1

Correct! Wrong!

What is the decimal equivalent of the hex number 0x3F?

Correct! Wrong!

What three items are contained in an Ethernet header and trailer? (Choose three.)

Please select 3 correct answers

error-checking information

destination MAC address

source IP address

destination IP address

source MAC address

Correct! Wrong!

What action will occur if a switch receives a frame and does have the source MAC address in the MAC table?

The switch sends the frame to a connected router because the destination MAC address is not local.

The switch shares the MAC address table entry with any connected switches.

The switch does not forward the frame.

The switch refreshes the timer on that entry.

Correct! Wrong!

What OSI physical layer term describes the physical medium which uses electrical pulses?

fiber-optic cable

copper cable

air

goodput

Correct! Wrong!

Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?

router

repeater

hub

switch

Correct! Wrong!

Which statement describes an extended star topology?

All end and intermediate devices are connected in a chain to each other.

End devices are connected together by a bus and each bus connects to a central intermediate device.

End devices connect to a central intermediate device, which in turn connects to other central intermediate devices.

Each end system is connected to its respective neighbor via an intermediate device.

Correct! Wrong!

What type of physical topology can be created by connecting all Ethernet cables to a central device?

bus

star

ring

mesh

Correct! Wrong!

Which statement correctly describes frame encoding?

It transmits data signals along with a clock signal which occurs at evenly spaced time durations.

It generates the electrical, optical, or wireless signals that represent the binary numbers of the frame.

It converts bits into a predefined code in order to provide a predictable pattern to help distinguish data bits from control bits.

It uses the characteristic of one wave to modify another wave.

Correct! Wrong!

A network administrator is designing a new network infrastructure that includes both wired and wireless connectivity. Under which situation would a wireless connection be recommended?

The end-user device only has an Ethernet NIC.

The end-user device needs mobility when connecting to the network.

The end-user device requires a dedicated connection because of performance requirements.

The end-user device area has a high concentration of RFI.

Correct! Wrong!

ITN | Modules 4 – 7

What action will occur if a host receives a frame with a destination MAC address it does not recognize?

What are two examples of the cut-through switching method? (Choose two.)

What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?

What OSI physical layer term describes the measure of usable data transferred over a given period of time?

Which two engineering organizations define open standards and protocols that apply to the data link layer? (Choose two.)

What is the function of the CRC value that is found in the FCS field of a frame?

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

What is the decimal equivalent of the binary number 10010101?

Which switching method uses the CRC value in a frame?

What are two characteristics of fiber-optic cable? (Choose two.)

What OSI physical layer term describes the amount of time, including delays, for data to travel from one point to another?

Which two characteristics describe Ethernet technology? (Choose two.)

A network team is comparing physical WAN topologies for connecting remote sites to a headquarters building. Which topology provides high availability and connects some, but not all, remote sites?

What OSI physical layer term describes the measure of the transfer of bits across a medium over a given period of time?

What type of address is 01-00-5E-0A-00-02?

What does a router do after de-encapsulating a received frame?

What is the special value assigned to the first 24 bits of a multicast MAC address?

What is the binary representation of 0xCA?

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

Which IPv4 address format was created for ease of use by people and is expressed as 201.192.1.14?

What action will occur if a host receives a frame with a destination MAC address of FF:FF:FF:FF:FF:FF?

Given the binary address of 11101100 00010001 00001100 00001010, which address does this represent in dotted decimal format?

Which statement is true about the CSMA/CD access method that is used in Ethernet?

What OSI physical layer term describes the capacity at which a medium can carry data?

Although CSMA/CD is still a feature of Ethernet, why is it no longer necessary?

Which switching method has the lowest level of latency?

Which is a function of the Logical Link Control (LLC) sublayer?

What happens to runt frames received by a Cisco Ethernet switch?

Which two functions are performed at the MAC sublayer of the OSI data link layer? (Choose two.)

Which statement describes a characteristic of the frame header fields of the data link layer?

Which media communication type does not require media arbitration in the data link layer?

When the store-and-forward method of switching is in use, what part of the Ethernet frame is used to perform an error check?

A network administrator is connecting two modern switches using a straight-through cable. The switches are new and have never been configured. Which three statements are correct about the final result of the connection? (Choose three.)

What is the definition of bandwidth?

Which is a valid hexadecimal number?

What are three ways that media access control is used in networking? (Choose three.)

What method is used to manage contention-based access on a wireless network?

What is the binary equivalent of the decimal number 232?

Which two functions are performed at the LLC sublayer of the OSI data link layer? (Choose two.)

Which two statements are correct about IPv4 and IPv6 addresses? (Choose two.)

Which characteristic describes crosstalk?

Which advantage does the store-and-forward switching method have compared with the cut-through switching method?

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

What attribute of a NIC would place it at the data link layer of the OSI model?

How many binary bits exist within an IPv6 address?

Which frame forwarding method receives the entire frame and performs a CRC check to detect errors before forwarding the frame?

Which two functions or operations are performed by the MAC sublayer? (Choose two.)

What is true concerning physical and logical topologies?

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

What statement describes a characteristic of MAC addresses?

In addition to the cable length, what two factors could interfere with the communication carried over UTP cables? (Choose two.)

With the use of unshielded twisted-pair copper wire in a network, what causes crosstalk within the cable pairs?

What action will occur if a switch receives a frame with the destination MAC address 01:00:5E:00:00:D9?

What does the term “attenuation” mean in data communication?

What is a characteristic of the LLC sublayer?

What is the decimal equivalent of 0xC9?

What is a primary role of the Physical layer in transmitting data on the network?

Which statement describes the half-duplex mode of data transmission?

Which standards organization oversees development of wireless LAN standards?

A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized?

What is the purpose of the OSI physical layer?

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

What OSI physical layer term describes the physical medium that uses the propagation of light?

What is the auto-MDIX feature?

What is one advantage of using the cut-through switching method instead of the store-and-forward switching method?

Which type of UTP cable is used to connect a PC to a switch port?

Which function or operation is performed by the LLC sublayer?

What is the binary representation for the decimal number 173?

What will a host on an Ethernet network do if it receives a frame with a destination MAC address that does not match its own MAC address?

What OSI physical layer term describes the process by which one wave modifies another wave?

Which layer of the OSI model is responsible for specifying the encapsulation method used for specific types of media?

A Layer 2 switch is used to switch incoming frames from a 1000BASE-T port to a port connected to a 100Base-T network. Which method of memory buffering would work best for this task?

What are the two sizes (minimum and maximum) of an Ethernet frame? (Choose two.)

What is indicated by the term throughput?

What is a characteristic of UTP cabling?

Why are two strands of fiber used for a single fiber optic connection?

Which data link layer media access control method does Ethernet use?

What type of cable is used to connect a workstation serial port to a Cisco router console port?

What OSI physical layer term describes the physical medium for microwave transmissions?