Computer Network

What is the delay in the amount of time for data to travel between two points on a network?
1 / 1 point
A latency
B bandwidth
C throughput
D goodput

A

What terms represent the maximum and actual speed that can be utilized by a device to transfer data?
1 / 1 point
A bandwidth; throughput
B throughput; bandwidth
C bandwidth; goodput
D throughput; goodput

A

Which term correctly identifies the device type that is included in the area B?

1 / 1 point
A source
B end
C transfer
D intermediary

D

Which items are collectively referred to as network media?
1 / 1 point
A routers and switches
B wires and radio waves
C firewalls and servers
D PCs and laptops

B

Which term is used to describe a network device with the primary function of providing information to other devices?
1 / 1 point
A workstation
B console
C server
D client

C

Which criterion can be used to select the appropriate type of network media for a network?
1 / 1 point
A the types of data that need to be prioritized
B the cost of the end devices that are used in the network
C the number of intermediary devices that are installed in the network
D the environment where the selected medium is to be installed

D

Which two devices are considered end devices? (Choose two.)
2 / 2 points
A laptop
B switch
C printer
D router
E hub

A , C

In fiber-optic media, the signals are represented as patterns of \___________.

light

Which data unit term and value are correctly matched?
2.857 / 4 points
A A bit \= a one or a zero
B A bit \= eight bytes
C A byte \= a one or a zero
D A byte \= eight bits
E A gigabyte \= one billion bytes
F A gigabyte \= one million bytes
G A megabyte \= one million bytes

A, D

Information in its raw or unorganized form that represents something is known as \__________.

Data

Which three descriptions of data are correct? (Choose 3.)

2.25 / 3 points
A Volunteered data is created and explicitly shared by individuals.
B ASCII is a commonly used code for representing letters, numbers and special characters in bits that can be interpreted by a computer.
C Data bits are converted into signals before being transmitted over the medium.
D Inferred data involves information that is captured by recording of actions of individuals, such as location data when using cell phones.

A, C

When a learner is visiting an e-learning site to learn about networking, the user computer is acting as what type of device?

0 / 1 point
A an intermediary device
B a client
C an email server
D a console
E a web server

B

What is the internet?
1 / 1 point
A the largest network owned and managed by a company in the US
B an application used to access the World Wide Web
C a worldwide collection of interconnected networks
D the type of physical media used by computers to access the Word Wide Web

C

How many times did you do the activity?
1 / 1 point
A 1
B 2
C 3 or more

B

In the activity, which scenario was used to describe the NFC technology?

1 / 1 point
A a phone call made between cell phone users
B streaming a movie through a hotspot connection at the airport
C photo transfer between two phones in close proximity (touching)
D using a wireless ear piece to make a cell phone call.

C

What type of signal is primarily used to transmit voice and data over cellular networks?
1 / 1 point
A GPS
B WiFi
C Bluetooth
D radio waves

D

What type of intermediate or intermediary device is included in the network?
1 / 1 point
A Switch
B Router
C PC
D Peripheral

A

Which devices are peripherals in the network?
2 / 2 points
A Server
B Network Printer
C Webcam
D Local Printer
E Laptop
F PC

C, E

What is a technology used in a cellular telephone network?
1 / 1 point
A Bluetooth
B fiber-optic
C Global System for Mobile Communications (GSM)
D Wi-Fi

C

A wireless network was recently installed in a coffee shop. The coffee shop staff are able to access the Internet but customer mobile devices are not receiving network configuration information. What should be done to correct the problem?
1 / 1 point
A Check the connection of the DNS server to the Internet.
B Provide peripheral devices to customers.
C Make sure the DHCP server is functional.
D Ensure that the default gateway device is working properly.

C

Which network device is primarily used to translate a domain name to the associated IP address?
1 / 1 point
A router
B DNS server
C DHCP server
D default gateway

B

Which wireless technology can be used to connect wireless headphones to a computer?
1 / 1 point
A NFC
B Bluetooth
C Wi-Fi
D 4G-LTE

B

Which IP configuration parameter provides the IP address of a network device that a computer would use to access the Internet?
1 / 1 point
A default gateway
B host IP address
C subnet mask
D DNS server

A

Which type of network component is used to interconnect computing devices?
1 / 1 point
A shared peripheral
B host
C intermediate device
D default gateway

C

What three tasks can be done in area 5 shown in the exhibit (Choose 3.)?
A create a network
B save the packet tracer file
C switch between real-time and simulation mode
D explore device configurations
E watch simulations

A, D,E

Which menu can be used to access tutorials and more information about the Packet Tracer version?

A File
B Extensions
C Help
D Options

C

What can be created in the Physical Workspace?

A a new city or building
B a simulation

A

Which three features can be seen in the PT Physical View but not the Logical View? (Choose 3.)

A wiring rack
B device configuration
C attached cables
D ability to power cycle the devices
E link lights

A,C,E

In the Building_a_network.pkt, explore the network. What is the IP address of the FastEthernet0 interface of PC0?



A 192.168.1.1
B 192.168.1.2
C 192.168.2.1
D 192.168.2.2

B

In the Building_a_network.pkt, explore the network. Which device is the default gateway for PC0?

A PC0 acts as its own default gateway.
B Switch S1
C Switch S2
D Router R1

D

In the Building_a_network.pkt, explore the network. What type of media is used between the different devices?

A straight-through Ethernet
B fiber-optic
C serial WAN
D wireless
E cross-over Ethernet

A

Refer to the activity. In the Building_a_network.pkt, explore the network.
1 Click on PC0.
2 Open the Desktop.
3 Open the Command Prompt.
4 Ping the other host in the network.
How many successful packets were received by PC0?

3

Where can you create a new building and wiring closet?

A Logical Workspace
B Physical Workspace
C Simulation Workspace
D Virtual Workspace

B

What is the cable type of the lightning icon?


A Apple Lightning Cable
B Serial WAN Cable
C Fiber Optical Cable
D Automatically Choose Connection Type

D

Which button allows you to switch between workspaces?


A 1
B 2
C 3
D 4
D 5

A

In how many scenarios was fiber considered to be the best media choice?
A 1
B 2
C 3

B

What was the common factor between the scenarios in which fiber was selected as the best media choice?

A Fiber was used in scenarios where small home networks were present.
B Fiber was the best choice between devices within an office.
C Fiber was used in situations where connectivity over long distances, between buildings, was required.

C

Which type of cable is immune to EMI?

A Cross-over cables UTP
B Straight-through UTP
C Fiber Optic
D Wireless

C

Can a computer operate as both a server and a client simultaneously?


A Yes
B No

A

Which three methods can be used to identify an IP address on the source device?
A use the traceroute command
B view the IP address from the Network Adapter settings (or Network Connections on a Mac)
C use ipconfig or ipconfig/ all (or ifconfig when using Linux)
D view the IP address from the Internet Protocol/IPv4 Properties in a Windows machine.
E use the ping command

B, C, D

Which protocol translates the URL (www.cisco.com) to an IP address?

Domain Name Service

Which two commands will display the list of routers that a message or packet will traverse between source and destination? (Choose 2.)

A IP address 209.165.200.226
B tracert 209.165.200.226
C traceroute 209.165.200.226
D ping 209.165.200.226
E whois 209.165.200.226

B, C

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

A straight-through twisted-pair cable
B fiber-optic cable
C coaxial cable
D crossover twisted-pair cable

D

What are three characteristics of UTP cabling? (Choose three.)
A susceptible to EMI and RFI
B commonly used between buildings
C easiest type of networking cable to install
D most commonly used networking cable
E uses light to transmit data

A, C ,D

Which two criteria are used to help select a network medium for a network?
A the environment where the selected medium is to be installed
B the types of data that need to be prioritized
C the distance the selected medium can successfully carry a signal
D the cost of the end devices that are used in the network
E the number of intermediate devices that are installed in the network

A, C

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

A STP
B UTP
C fiber-optic
D coax

A

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

A coaxial
B fiber-optic
C shielded twisted-pair
D unshielded twisted-pair

A

What are two wiring schemes defined by the TIA/EIA organization for Ethernet installation in homes and businesses?
A RJ-45
B STP
C UTP
D T568B
E T568A

D, E

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

A crossover
B crosstalk
C RFI
D collision

B

What are two sources of electromagnetic interference that can affect data transmissions? (Choose two.)
A fluorescent light fixture
B infrared remote control
C corded telephone
D LED monitor
E microwave oven

A, E

What is the purpose of an IP address?
A It identifies the physical location of a data center.
B It identifies a location in memory from which a program runs.
C It identifies a return address for replying to email messages.
D It identifies the source and destination of data packets on a network.

What type of network is defined by two computers that can both send and receive requests for resources?
A client/server
B peer-to-peer
C enterprise
D campus

B

Which statement describes the ping and tracert commands?

A Tracert shows each hop, while ping shows a destination reply only.
B Tracert uses IP addresses; ping does not.
C Both ping and Tracert can show results in a graphical display.
D ping shows whether the transmission is successful; Tracert does not.

A

What is an advantage of the peer-to-peer network model?
A scalability
B high level of security
C ease of setup
D centralized administration

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

A coaxial cable
B fiber-optic cable
C twisted-pair cable
D shielded twisted-pair cable

Which layered model was first used for internetwork communications?

A encapsulation
B IETF
C OSI Model
D Reference Model
E TCP/IP Model

E

What are three benefits of using a layered model for network communications?

A Enables technology changes to occur at one level without affecting the other levels.
B Groups functions together into larger parts for easier troubleshooting.
C Allows devices to implement different sets of rules to connect to the network.
D Assists in protocol design.
E Allows for visualization of the interactions of protocols.

A, D, E

Which layer has the same functionality in both the OSI and TCP/IP models?
A Application
B Presentation
C Session
D Transport
E Internet
F Network Access
G Data Link
H Physical

D

What are two common network components that would be associated with the Internet layer of the TCP/IP model and the Network layer of the OSI model? (Choose two.)

A IP Addressing
B routing
C wireless
D email
E copper cabling
F web browsers

A, B

Refer to the activity. Which three statements describes a MAC address and how it functions? (Choose 3.)

A A device can have more than one MAC address.
B It contains binary digits.
C The MAC address is the only unique, public address assigned to a device.
D The MAC address represents the physical address for the device.
E Every Ethernet NIC is assigned a MAC address when it is manufactured.

A, D, E

Which command is used to identify the MAC address of a PC?
A ipconfig
B OUI
C ipconfig /all
D wireshark OUI lookup
E Command Prompt

C

Which type of network model describes the functions that must be completed at a particular layer, but does not specify exactly how each protocol should work?
A TCP/IP model
B protocol model
C reference model
D hierarchical design model

C

Which three elements do all communication methods have in common? (Choose three.)
A transmission medium
B message destination
C message source
D message data
E message type

A, B, C

Which three layers of the OSI model make up the application layer of the TCP/IP model? (Choose three.)
A presentation
B application
C transport
D network
E session
F data link

A, B , E

Which two layers of the OSI model specify protocols that are associated with Ethernet standards? (Choose two.)
A data link layer
B session layer
C transport layer
D physical layer

A, D

Which term refers to the set of rules that define how a network operates?
A protocol
B model
C standard
D domain

C

What makes it possible for e-mail to be sent and received on a wide variety of devices, including cell phones, PDAs, laptops, and desktop computers?
A All of the devices run the same operating system software.
B There is a single provider of e-mail server software.
C The devices use the same e-mail client software, so they are compatible.
D E-mail software is written using standards and protocols that ensure compatibility.

D

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

MAC

The \_______ model breaks network communications down into seven functional layers.

OSI

The \__________ is an organization that develops and maintains Ethernet and wireless standards.​

IEEE

Why is the order of the frame fields important? (Choose 2.)
A The message may not fit into the frame if the order is incorrect.
B Frames that do not match the standards will not be processed by the intended receiver or other intermediary devices.
C The total number of bytes in the frame changes as the order of the fields changed.
D The frame aligns to the Ethernet standard and allows devices by

B ,D

Which term is used to refer to a Layer 2 PDU?​
A packet
B frame
C segment
D bit

B

When a computer assembles a frame to be sent over the network, what is the maximum size of an Ethernet frame?
A 64 bytes
B 128 bytes
C 1024 bytes
D 1518 bytes

D

What are two reasons to create a hierarchical network design for an Ethernet network? (Choose 2.)
A IP addresses can be used as a physical address to locate the device.
B It allows for duplicate MAC addresses on the network since they are running out.
C Locating a host in a smaller network is easier than one large Ethernet network.
D It will help to minimize the amount of broadcast traffic that Ethernet hosts will have to process.

C, D

What are the three layers of the hierarchical design model? (Choose 3.)
A transport layer
B application layer
C access layer
D core layer
E distribution layer

C, D, E

Which layer provides connections to hosts in a local Ethernet network?
A application layer
B network access layer
C core layer
D network layer
E internet layer
F access layer

Loai B, C, E

What two methods can be used to find the IP address for a wireless connection on a Windows 10 PC? (Choose 2.)
A Look at the SSID to find the host portion of the IP address and the Network properties for the network portion.
B Issue the ipconfig /all from the command prompt.
C Click Details from the Wireless Connection Status window..
D Open the Network Sharing Window.
E Look at the NIC port on the machine.

B, C

What should always be enabled or configured for a wireless NIC when available?
A local area connection
B DHCP
C security
D network speed

C

What are three reasons to use Wireshark? (Choose 3.)
A separate broadcast domains
B troubleshoot network connectivity
C open the Command Prompt on a PC
D capture and analyze data packets
E view the MAC and IP address of multiple hosts

B, D ,E

Which two statements are indicators that a data frame in a packet capture is an ARP request? (Choose 2.)
A The target MAC address in the ARP request is all 0's.
B The target IP address is all 0's.
C The sender's IPv4 address is all F's.
D The Protocol listed in Wireshark will be Ethernet.
E The destination MAC address in the frame is all F's.

A, E

Which device will not forward an ARP request to other hosts in the network?
A Switch
B PDU
C Hub
D Router

D

Which command is used on a Windows PC to display the ARP table?
A command prompt
B arp -a
C ipconfig
D ipconfig/ all

B

What is found in the ARP table of a Windows PC?
A default gateway address and the connected networks
B IP addresses and the corresponding subnet mask
C IP addresses and the corresponding MAC address
D MAC addresses and the connected port numbers

C

In Step 5, why was the initial ping unsuccessful?

The ping was unsuccessful because PC-A and PC-B are no longer in the same subnet.

What had to be done to correct the lack of connectivity in step 5?
A Add a router to the network.
B Perform another ping command.
C Rewire the cable connections between the devices.
D Change the IP address on one of the PCs.

D

What type of networking device would allow the PCs to communicate even though they are on different networks?
A router
B ARP
C switch
D hub

A

Which device provides the actual default gateway for the hosts?

Router

What is used by a host to determine if another host is on the same network?
A ARP
B default gateway
C MAC address table
D subnet mask

D

If a host connected to the hub sends a broadcast message, destined for IP address 255.255.255.255, which devices will receive and process the message?
A All of the devices show in the entire activity.
B Just the devices connected to the hub.
C The router only.
D The router, the LAN switch, the hub and the hosts connected to the hub and the LAN switch.
E The router and all of the switches.

D

How many LANs connect PCs to the wireless router in the activity?

1

What devices will process a broadcast message sent from PC1? (Choose all that apply.)
A PC1
B PC2
C Wireless Router
D The www.cisco.com server.
E The Internet devices.

B, C

What are two possible reasons that you may want to connect a device through the wired ports of a wireless router? (Choose 2.)
A Wireless devices do not use IP addresses.
B Protocols in the TCP/IP model do not work on wireless networks.
C Wired connections are typically faster and more secure than wireless connections.
D Some older devices may not have a wireless NIC to connect to the wireless portion of the router.
E The Internet can only be accessed by wired devices.

D

What address type does a switch use to make selective forwarding decisions?
A source IP
B destination IP
C source MAC
D destination MAC

D

What role does a router play on a network?
A forwarding Layer 2 broadcasts
B forwarding frames based on a MAC address
C selecting the path to destination networks
D connecting smaller networks into a single broadcast domain

C

What type of information is contained in a switch MAC table?
A switch ports associated with destination MAC addresses
B domain name to IP address mappings
C routes to reach destination networks
D switch ports associated with IP address mappings

A

What is the purpose of the core layer in the Cisco hierarchical network design model?
A network access to end devices
B high-speed backbone switching
C aggregation point for smaller networks
D flow control between networks

B

A default \______ must be configured on an IP-enabled end device so that the device can communicate with devices on different IP networks.​

gateway

When a ping is sent from PC0 to test connectivity between the PC0 and the LearnIP Web Server, what will be the destination IP address in the packet?
A 192.168.1.100
B The IP address of the default gateway.
C 172.33.100.50
D The IP address of the Internet router on the left.

C

How does PC0 know that it must send the packets to its default gateway to reach the LearnIP Web Server?
A Since there are no other devices on the network, PC0 knows it needs to send the packet to the default gateway.
B PCs must always send all packets to a default gateway to communicate on a network.
C The subnet mask on PC0 is used with the IP address of the server and shows that it is on a different network.

C

PC0 knows that it needs to send a ping to the server to test connectivity. Initially, PC0 does not know the MAC address for the destination. What three things will most likely happen? (Choose 3.)
A PC0 will ping the router first.
B PC0 will use the ARP process to find the destination MAC address.
C The first ping request may time out.
D The server will respond with its MAC address since it is the intended destination.
E The router will respond with its own MAC address since the server is on a different network.

B , C , E