ITN | Modules 4

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

100.21.10.1

100.10.11.1

10.10.20.1

10.100.21.1

Correct! Wrong!

What is the purpose of the OSI physical layer?

controlling access to media

performing error detection on received frames

transmitting bits across the local media

exchanging frames between nodes over physical network media

Correct! Wrong!

What is the binary representation for the decimal number 173?

10100101

10110101

10100111

10101101

Correct! Wrong!

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

air

fiber-optic cable

goodput

copper 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 is supported by IEEE 802.5 standards

It uses a ring topology

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

It uses the CSMA/CD access control method

Correct! Wrong!

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

203.0.113.211

198.51.100.201

209.165.201.223

192.0.2.199

Correct! Wrong!

What is the decimal equivalent of the binary number 10010101?

192

168

157

149

Correct! Wrong!

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

Please select 2 correct answers

fragment-free switching

CRC switching

QOS switching

fast-forward switching

store-and-forward switching

Correct! Wrong!

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

Please select 3 correct answers

error-checking information

source MAC address

destination IP address

destination MAC address

source IP address

Correct! Wrong!

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

TCP port number

IP address

UDP port number

sequence number

MAC address

Correct! Wrong!

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 the router.

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

The host will discard the frame.

The host forwards the frame to all other hosts.

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 flows in both directions at the same time.

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

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 remove the frame from the media

It will discard the frame

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

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

bandwidth

signal modulation technique

electromagnetic interference

crosstalk

size of the network

Correct! Wrong!

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

leakage of signals from one cable pair to another

loss of signal strength as distance increases

strengthening of a signal by a networking device

time for a signal to reach its destination

Correct! Wrong!

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

latency

bandwidth

goodput

throughput

Correct! Wrong!

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

Please select 2 correct answers

IPv4 addresses are 128 bits in length.

IPv6 addresses are 64 bits in length.

IPv6 addresses are represented by hexadecimal numbers.

IPv4 addresses are 32 bits in length.

IPv4 addresses are represented by hexadecimal numbers.

IPv6 addresses are 32 bits in length.

Correct! Wrong!

What is the binary representation of 0xCA?

11001010

11010101

10111010

11011010

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

minimum frame size

CEF

source MAC address

auto-MDIX

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

MTU size

type field

header

CRC value

data

trailer

Correct! Wrong!

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

236.17.12.6

234.16.12.10

236.17.12.10

234.17.10.9

Correct! Wrong!

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

the use of full-duplex capable Layer 2 switches

the use of Gigabit Ethernet speeds

the development of half-duplex switch operation

the virtually unlimited availability of IPv6 addresses

the use of CSMA/CA

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?

presentation layer

physical layer

data link layer

network layer

Correct! Wrong!

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

They all include the flow control and logical connection fields.

They include information on user applications.

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

They vary depending on protocols.

Correct! Wrong!

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

air

modulation

IEEE

EIA/TIA

Correct! Wrong!

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

goodput

throughput

latency

air

Correct! Wrong!

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

to identify which network layer protocol is being used

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

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

to provide data link layer addressing

Correct! Wrong!

Which statement is true about MAC addresses?

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

MAC addresses are implemented by software.

The ISO is responsible for MAC addresses regulations.

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

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

Logical link control is implemented in software.

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

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

Logical link control is specified in the IEEE 802.3 standard.

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?

hub

switch

router

modem

Correct! Wrong!

How many bits are in an IPv4 address?

128

256

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?

port-based buffering

level 1 cache buffering

fixed configuration buffering

shared memory buffering

Correct! Wrong!

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

switch

repeater

router

hub

Correct! Wrong!

Which standards organization oversees development of wireless LAN standards?

TIA

ISO

IANA

IEEE

Correct! Wrong!

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

Please select 2 correct answers

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.

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

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

Integrates various physical technologies.

Correct! Wrong!

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

physical

application

transport

data link

Correct! Wrong!

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

Please select 2 correct answers

LLC

MAC

physical

internet

network access

transport

Correct! Wrong!

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

dotted decimal

hexadecimal

binary

ASCII

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 Organization for Standardization (ISO)

International Telecommunication Union (ITU)

Internet Society (ISOC)

Electronic Industries Alliance (EIA)

Internet Assigned Numbers Authority (IANA)

Correct! Wrong!

What is a characteristic of the LLC sublayer?

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

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

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

It provides the logical addressing required that identifies the device.

Correct! Wrong!

What statement describes a characteristic of MAC addresses?

They are added as part of a Layer 3 PDU

They have a 32-bit binary value

They are only routable within the private network

They must be globally unique

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?

destination MAC address in the header

CRC in the trailer

protocol type in the header

source MAC address in the header

Correct! Wrong!

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

cut-through switching

store-and-forward switching

fragment-free switching

fast-forward switching

Correct! Wrong!

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

throughput

fiber-optic cable

goodput

latency

Correct! Wrong!

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

air

fiber-optic cable

goodput

copper cable

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 does not forward the frame.

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

The switch refreshes the timer on that entry.

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

Correct! Wrong!

What is true concerning physical and logical topologies?

Physical topologies are concerned with how a network transfers frames.

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

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

Physical topologies display the IP addressing scheme of each network.

Correct! Wrong!

How many binary bits exist within an IPv6 address?

256

128

Correct! Wrong!

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

crossover

rollover

console

straight-through

Correct! Wrong!

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

Correct! Wrong!

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

Please select 2 correct answers

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.

It is more expensive than UTP cabling is.

Each pair of cables is wrapped in metallic foil.

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

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

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

The switch does not forward the frame.

Correct! Wrong!

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

Please select 2 correct answers

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

It performs the function of NIC driver software

It handles communication between upper and lower layers

It adds control information to network protocol layer data

It is responsible for Media Access Control

Correct! Wrong!

What is the auto-MDIX feature?

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.

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

It enables a switch to dynamically select the forwarding method.

Correct! Wrong!

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

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

to verify the integrity of the received frame

to verify the physical address in the frame

to verify the logical address in the frame

Correct! Wrong!

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

Please select 2 correct answers

cordless phones

microwaves

Blu-ray players

home theaters

incandescent light bulbs

external hard drives

Correct! Wrong!

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

Please select 2 correct answers

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

Implements a trailer to detect transmission errors.

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

Adds Layer 2 control information to network protocol data.

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

Correct! Wrong!

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

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

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.

Correct! Wrong!

What is a characteristic of UTP cabling?

woven copper braid or metallic foil

immunity to electrical hazards

cancellation

cladding

Correct! Wrong!

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

control data access to the media

determine the path packets take through the network

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

provide physical addressing to the devices

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 sophistication of the encapsulation method applied to the data

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

the amount of traffic that is currently crossing the network

the bandwidth of the WAN connection to the Internet

the type of traffic that is crossing the network

the reliability of the gigabit Ethernet infrastructure of the backbone

Correct! Wrong!

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

Please select 2 correct answers

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

It encrypts data packets.

It determines the path to forward packets.

It accepts Layer 3 packets and encapsulates them into frames.

It provides media access control and performs error detection.

Correct! Wrong!

What is indicated by the term throughput?

the capacity of a particular medium to carry data

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

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

the measure of the usable data transferred across the media

the guaranteed data transfer rate offered by an ISP

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 usually cheaper than copper cabling.

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

It is easier to terminate and install than copper cabling.

Correct! Wrong!

What is auto-MDIX?

an Ethernet connector type

a type of port on a Cisco switch

a type of Cisco switch

a feature that detects Ethernet cable type

Correct! Wrong!

What is the auto-MDIX feature on a switch?

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

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

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

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

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

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

The switch does not forward the frame.

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

Correct! Wrong!

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

requiring proper grounding connections

avoiding sharp bends during installation

designing a cable infrastructure to avoid crosstalk interference

wrapping the bundle of wires with metallic shielding

twisting opposing circuit wire pairs together

Correct! Wrong!

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

01-5E-00

FF-FF-FF

01-00-5E

FF-00-5E

Correct! Wrong!

What is the definition of bandwidth?

the speed at which bits travel on the network

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

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

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

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 area has a high concentration of RFI.

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

Correct! Wrong!

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

attached Ethernet cable

RJ-45 port

IP address

TCP/IP protocol stack

MAC address

Correct! Wrong!

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

air

IEEE

EIA/TIA

bandwidth

Correct! Wrong!

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

CSMA/CD

token passing

turn taking

determinism

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

The host will process the frame.

The host forwards the frame to all other hosts.

The host forwards the frame to the router.

Correct! Wrong!

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

access method

message encapsulation

flow control

message encoding

Correct! Wrong!

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

star

bus

ring

mesh

Correct! Wrong!

What is the binary equivalent of the decimal number 232?

11110010

10011000

11101000

11000110

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

point-to-point

mesh

Correct! Wrong!

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

The frame is sent to the default gateway.

The frame is returned to the originating network device.

The frame is dropped.

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

Correct! Wrong!

Which statement describes an extended star topology?

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.

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

Correct! Wrong!

Which is a multicast MAC address?

FF-FF-FF-FF-FF-FF

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

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

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

Correct! Wrong!

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

to determine if errors occurred in the transmission and reception

to verify the logical address of the sending node

to obtain the MAC address of the sending node

to compute the CRC header for the data field

Correct! Wrong!

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

Please select 3 correct answers

durable connections

limited susceptibility to EMI/RFI

greater bandwidth potential

easily terminated

greater distances per cable run

lower installation cost

Correct! Wrong!

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

Please select 3 correct answers

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

Ethernet utilizes CSMA/CD.

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

802.11 utilizes CSMA/CD.

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

Contention-based access is also known as deterministic.

Correct! Wrong!

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

Please select 2 correct answers

56 bytes

128 bytes

1518 bytes

64 bytes

1024 bytes

Correct! Wrong!

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

full-duplex

controlled access

deterministic

half-duplex

Correct! Wrong!

Which statement correctly describes frame encoding?

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

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

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

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

Correct! Wrong!

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

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

has a lower latency appropriate for high-performance computing applications

provides the flexibility to support any mix of Ethernet speeds

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

Correct! Wrong!

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

crossover

straight-through

rollover

coaxial

Correct! Wrong!

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

Please select 2 correct answers

It provides reliable delivery through link establishment and flow control.

It manages the access of frames to the network media.

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

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

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?

hierarchical

ring

bus

mesh

star

Correct! Wrong!

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

CSMA/CD

priority ordering

token passing

CSMA/CA

Correct! Wrong!

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

An IP address is added.

The process port number is added.

The logical address is added.

The physical address is added.

Correct! Wrong!

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

throughput

bandwidth

fiber-optic cable

latency

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

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

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

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

The link between switches will work as full-duplex.

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

Correct! Wrong!

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

logical address

physical address

data

error detection

Correct! Wrong!

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

frame error checking

frame forwarding using IPv4 Layer 3 and 4 information

collision detecting

faster frame forwarding

Correct! Wrong!

What is the decimal equivalent of 0xC9?

199

185

200

201

Correct! Wrong!

Which function or operation is performed by the LLC sublayer?

It performs data encapsulation.

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

It is responsible for media access control.

It communicates with upper protocol layers.

Correct! Wrong!

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

Please select 2 correct answers

forwarding frames with unknown destination IP addresses to the default gateway

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

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

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

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

Correct! Wrong!

Which is a valid hexadecimal number?

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 increase the speed at which the data can travel.

They allow for full-duplex connectivity.

Correct! Wrong!

Which switching method uses the CRC value in a frame?

cut-through

fast-forward

fragment-free

store-and-forward

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 source Layer 2 address of incoming frames

the destination Layer 3 address of incoming packets

the destination Layer 2 address of outgoing frames

Correct! Wrong!

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

de-encapsulates the frame

determines the best path

re-encapsulates the packet into a new frame

forwards the new frame onto the network medium

Correct! Wrong!

Which switching method has the lowest level of latency?

fast-forward

fragment-free

cut-through

store-and-forward

Correct! Wrong!

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

an address that reaches a specific group of hosts

an address that reaches every host in the network

an address that reaches one specific host

an address that reaches every host inside a local subnet

Correct! Wrong!

Which characteristic describes crosstalk?

the distortion of the network signal from fluorescent lighting

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

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

the weakening of the network signal over long cable lengths

Correct! Wrong!

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

the use of braided wire to shield the adjacent wire pairs

the magnetic field around the adjacent pairs of wire

Correct! Wrong!

ITN | Modules 4 – 7

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

What is the purpose of the OSI physical layer?

What is the binary representation for the decimal number 173?

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

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

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

What is the decimal equivalent of the binary number 10010101?

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

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

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

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

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

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?

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

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

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

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

What is the binary representation of 0xCA?

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.)

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

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

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

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?

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

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

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

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

Which statement is true about MAC addresses?

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

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

How many bits are in an IPv4 address?

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?

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

Which standards organization oversees development of wireless LAN standards?

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

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

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

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

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

What is a characteristic of the LLC sublayer?

What statement describes a characteristic of MAC addresses?

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

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

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

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

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

What is true concerning physical and logical topologies?

How many binary bits exist within an IPv6 address?

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

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

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

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

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

What is the auto-MDIX feature?

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

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

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

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

What is a characteristic of UTP cabling?

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

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

What is indicated by the term throughput?

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

What is auto-MDIX?

What is the auto-MDIX feature on a switch?

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

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

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

What is the definition of bandwidth?

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?

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

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

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

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

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

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

What is the binary equivalent of the decimal number 232?

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 happens to runt frames received by a Cisco Ethernet switch?