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Introduction to Networking and Storage Coursera Quiz Answers

by Niyander

Hello friends in this article i am gone to share Coursera Course: Introduction to Networking and Storage by the IBM Skills Network All Weeks Quiz Answers with you..

Introduction to Networking and Storage IBM Skills Network

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Introduction to Networking and Storage Coursera Quiz Answers

WEEK 1 QUIZ ANSWERS

Practice Quiz Answers

Question 1)
Which network topology is best for large area coverage?

  • Ring
  • Mesh
  • Tree
  • Bus

Question 2)
Which of the following connection types is the fastest?

  • Fiber
  • ISDN
  • Cable
  • DSL

Question 3)
What kind of wireless network uses cellular?

  • WWAN
  • WMAN
  • WLAN
  • WPAN

Question 4)
Which cables connect a central processing unit (CPU) to a device’s main or default storage?

  • SATA, IDE, and SCSI cables
  • Coaxial, fiber optic, and ethernet cables
  • USB, Lightning, and Thunderbolt cables
  • VGA, HDMI, Mini-HDMI, DisplayPort, and DVI cables

Question 5)
What network type covers multiple city locations?

  • WPAN
  • WMAN
  • WLAN
  • WWAN

 

Graded Quiz Answers

Question 1)
What network type is typically limited to a single building or site?

  • Wide Area Network (WAN)
  • Metropolitan Area Network (MAN)
  • Personal Area Network (PAN)
  • Local Area Network (LAN)

Question 2)
Why would you use a VPN?

  • To translate network addresses into subnets.
  • To share an Internet connection to multiple devices.
  • To encrypt data on a public network.
  • To allocate IP addresses to network hosts.

Question 3)
Which of the following are valid reasons to choose fiber optic connections for your wired network? (Select two)

  • It transmits data using existing phone lines.
  • It is relatively inexpensive.
  • It can offer very fast speeds.
  • It can cover long distances.

Question 4)
Which of the following connection types is the slowest?

  • DSL
  • Cellular
  • Cable
  • ISDN

Question 5)
What kind of wireless networks use Wi-Fi and Wi-Fi 6?

  • WMAN
  • WLAN
  • WPAN
  • WWAN

Question 6)
What kind of wireless networks use WIMAX?

  • WMAN
  • WWAN
  • WPAN
  • WLAN

Question 7)
What would you use a shielded twisted pair cable for?

  • To provide power for a hard drive.
  • To connect a computer to a video display unit, such as a monitor or a TV.
  • To provide power to a printer or scanner.
  • To connect a computer to a switch or router.

Question 8)
What does a SATA cable do?

  • A SATA cable transmits video signals to a monitor.
  • A SATA cable connects a motherboard to a hard drive.
  • A SATA cable connects peripherals such as mice, keyboards, and printers to computers.
  • A SATA cable connects network devices to routers or switches.

Question 9)
What are some advantages of LANs and WLANs? (select two)

  • LANs and WLANs are portable.
  • LANs and WLANs are easier to manage than larger networks.
  • LANs and WLANs provide global coverage.
  • LANs and WLANs have high data transmission rates.

Question 10)
Which of the below options is a true statement about wired networks?

  • Wired networks are harder to manage than wireless networks.
  • Wired networks can be accessed from anywhere in the network.
  • Wired networks require fewer devices and cables than wireless networks.
  • Wired networks have less expensive hardware than wireless networks.

 

WEEK 2 QUIZ ANSWERS

Practice Quiz Answers

Question 1)
Who assigns Media Access Control (or MAC) addresses to network devices? (Select two)

  • Internet service providers (ISPs)
  • Network administrators
  • Network users
  • Device manufacturers

Question 2)
Which layer of the seven-layer OSI model is responsible for managing the delivery and error checking of data packets?

  • Network layer
  • Application layer
  • Transport layer
  • Physical layer

Question 3)
What joins two separate computer networks so they can communicate with each other and work as a single network?

  • Gateway
  • Switch
  • Bridge
  • Repeater

Question 4)
Which Protocol is responsible for sending email?

  • Internet Message Access Protocol version 4 (IMAP4)
  • Post Office Protocol version 3 (POP3)
  • Domain Name System (DNS)
    Simple Message Transport Protocol (SMTP)

Question 5)
What primary actions do network protocols perform?

  • Live streaming, online gaming, and calls over the internet
  • Security, communication, and network management
  • File transfers, web browsing, and email
  • Act as an endpoint for network communications

 

Graded Quiz Answers

Question 1)
What kind of data transmission flow does a keyboard use?

  • Full-Duplex
  • Half-Duplex
  • Packets
  • Simplex

Question 2)
How is a dynamic IP address different from a static IP address?

  • Dynamic IP addresses are reserved for localhost use only.
  • Dynamic IP addresses are used to secure an internal network.
  • Dynamic IP addresses are manually assigned.
  • Dynamic IP addresses are automatically assigned.

Question 3)
What is the difference between half-duplex mode and full-duplex mode?

  • Half-duplex mode allows for simultaneous transmission
  • There is no difference, they are the same
  • Full-duplex mode allows for simultaneous transmission
  • Half-duplex mode is can only send or receive while full-duplex mode can do both

Question 4)
What is a de-facto standard?

  • A networking standard that determines how other standards are made.
  • A networking standard that results from marketplace domination or practice.
  • A networking cable that connects modems to the Internet.
  • A networking standard developed by an official industry or government body.

Question 5)
What always has an associated protocol and application?

  • A port
  • A model
  • A protocol
  • A standard

Question 6)
Which organization established the world wide web (www) standard?

  • The Defense Advanced Research Projects Agency (DARPA)
  • The World Wide Web Consortium (W3C)
  • The Institute of Electronics and Electrical Engineers (IEEE)
  • The International Telecommunication Union (ITU)

Question 7)
What is the difference between a repeater and a wireless access point (WAP)?

  • A WAP extends wireless signals, a repeater acts as a central wireless connection point.
  • A repeater extends wireless signals, a WAP acts as a central wireless connection point.
  • A WAP provides multiple connection ports, a repeater provides the same ports but also keeps track of MAC addresses.
  • A WAP connects modems to routers, a repeater duplicates modem signals.

Question 8)
What does a WANET do?

  • It uses long range-radio techniques to create long-distance network access.
  • It uses wifi from existing infrastructure to create a wireless mobile LAN.
  • It uses wifi from an ISP-connected device to create a wireless LAN.
  • It uses nearby wireless signals to create a small network of a few meters.

Question 9)
How many network protocols are there?

  • Thousands
  • Dozens
  • Hundreds
  • Only a few

Question 10)
What does the Secure Shell (SSH) protocol do?

  • Monitors the network
  • Encrypts file transfers
  • Authenticates passwords
  • Remotely controls another device

 

WEEK 3 QUIZ ANSWERS

Practice Quiz Answers

Question 1)
What does physical network setup include?

  • Connecting the router to the modem and connecting computers to the router
  • Running updates
  • Configuring user accounts
  • Finding the gateway address with ipconfig

Question 2)
Where is a router’s public IP address listed?

  • Under link-local IPv6 address
  • Under subnet mask
  • Under default gateway
  • Under Ipv4 address

Question 3)
What is interference?

  • Malware that affects network connectivity
  • When a user is out of range
  • When a radio or microwave signal slows or breaks a wireless connection
  • When network cables are loose or damaged

Question 4)
What connectivity problem is a user trying to solve when they physically realign devices and antennas for better reception?

  • Equipment malfunction
  • Loose or damaged cables
  • Malware
  • Weak signal strength

Question 5)
What Command Prompt Utility shows you the IP address of your default gateway?

  • ping
  • ipconfig
  • nslookup
  • tracert

 

Graded Quiz Answers

Question 1)
Why should you avoid trying network reset first when troubleshooting network issues?

  • Network reset is difficult to do
  • Network reset removes all custom settings and configurations
  • Network reset is a good first troubleshooting step
  • Network reset hides local IP addresses

Question 2)
How does Compatibility Mode affect a network? (select two)

  • Compatibility Mode enables network connection for devices with older hardware
  • Compatibility Mode can slow down an entire network
  • Compatibility Mode alerts network users when newer hardware is required
  • Compatibility Mode improves network performance across all devices for a faster online experience

Question 3)
What does SOHO network security depend on?

  • Firewall
  • STP Ethernet
  • DHCP servers
  • Router settings

Question 4)
Where do you go to configure Windows user accounts?

  • In Windows Firewall settings
  • In Control Panel
  • In Device Manager
  • On a DHCP server

Question 5)
What is the strongest wireless encryption security mode?

  • WPA2
  • WEP
  • WPA
  • POP3

Question 6)
Which of the following is the name assigned to a wireless network?

  • An SSID
  • A static IP
  • An RFID
  • A PAN

Question 7)
What does synchronization do?

  • It lets you use apps like a remote control.
  • It lets you toggle wifi on and off.
  • It lets you transition from one device to another without losing any newly added information.
  • It lets you connect securely over public wifi.

Question 8)
What are IMEI and IMSI used for?

  • They are identifiers that help troubleshoot mobile network devices and mobile user account issues.
  • They are older network cable types used in long range connections.
  • They are protocols that direct network traffic.
  • They are monitoring devices that help quarantine malware.

Question 9)
Where should you place wireless access points?

  • Near the front of a room.
  • Up high, in the center of the space.
  • As close as possible to the ISP’s coaxial cable.
  • It does not matter where you place wireless access points.

Question 10)
How do you launch the command prompt?

  • Click “Network & Internet” in Windows Settings.
  • Type “ipconfig” into the Windows search bar.
  • Type “command” into the Windows search bar.
  • It launches automatically on Windows startup.

 

WEEK 4 QUIZ ANSWERS

Practice Quiz Answers

Question 1)
What is the difference between RAID 0 and RAID 1?

  • RAID 0 mirrors data to a second drive, RAID 1 spreads data across drives.
  • There is no difference.
  • RAID 0 spreads data across drives, RAID 1 mirrors data to a second drive.
  • Both save parity bits across multiple drives, but RAID 1 can withstand 2 disk failures while RAID 0 can only withstand 1 disk failure.

Question 2)
What is RAM?

  • RAM is a built-in motherboard storage chip that fetches data at low speeds, and stores data that will be stored for a long time. The data in RAM memory is retained even when the computer is turned off.
  • RAM is a local storage drive with no moving parts.
  • RAM is a local storage drive with spinning disk and large capacity.
  • RAM is a storage chip that fetches data at high speeds, and stores data that will only be stored for a short time. The data in RAM memory is not retained when the computer is turned off.

Question 3)
What are boot errors caused by?

  • Wear and tear over time
  • Adding additional drive space
  • Disk corruption, incorrect OS installation, or viruses
  • Buffer overrun

Question 4)
Which of the following statements best describes Active Directory Domain Services?

  • Active Directory Domain Services provide file and print sharing services for Microsoft networks.
  • Active Directory Domain Services provide encryption, user authentication, centralized data storage, and management of communication and search.
  • Active Directory Domain Services provide automated management of local network services and local users, groups, and computers.
  • Active Directory Domain Services provide centralized management of network components such as local area networks and network shares on Microsoft networks.

Question 5)
Which of the following are characteristics of a Storage Area Network, or SAN? (Select two)

  • A SAN is a local file server that acts as a hard drive for all devices on a local network.
  • A SAN is attached to a single site.
  • A SAN includes simple, centralized management of connections and settings.
  • A SAN combines servers, storage systems, switches, software, and services to provide secure, robust data transfers.

Graded Quiz Answers

Question 1)
Which RAID configuration provides fast and large-scale storage, but without any fault tolerance?

  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 10

Question 2)
Which of the following statements is true in relation to Solid-state Hybrid Drives (SSHDs)? (Select two)

  • SSHDs decide what to store in solid-state versus hard disk, based on user activity.
  • SSHDs are faster than hard disk drives.
  • SSHDs are best for reading large media files stored on disks.
  • SSHDs use a laser to reflect light off a disk’s surface so it can read the reflected light.

Question 3)
What is Direct Attached Storage (DAS)?

  • A combination of servers, storage systems, switches, software, and services to provide secure, robust data transfers.
  • A unit that contains an array of drives configured in different ways to prevent data loss.
  • A local file server that acts as a hard drive for all devices on a local network.
  • One or more storage drives inside an enclosure, directly attached to the computer accessing it.

Question 4)
What is a repository?

  • A network location that allows users to store and collaborate on code.
  • A Microsoft technology that manages domain elements such as users and computers.
  • A Microsoft Networks service that allows computers on the network to access shared files and printers.
  • A holding area for data center file deletions.

Question 5)
Which of the following is an example of Storage as a Service?

  • Box
  • Gmail
  • Amazon Music
  • Office 365

Question 6)
What is a Storage Area Network (SAN)?

  • One or more storage drives inside an enclosure, directly attached to the computer accessing it.
  • Offsite network of storage-related hardware, software, and services.
  • A local file server that acts as a hard drive for all devices on a local network.
  • A local network’s onsite array of physical drives that combine multiple SSDs and HDDs.

Question 7)
Which of the following is a characteristic of a Storage Area Network (SAN)?

  • No fault tolerance
  • Appear as a network-attached drive
  • Attached to a single local site
  • Easily scalable

Question 8)
Which of the following is a characteristic of Network Attached Storage (NAS)?

  • Uses fiber
  • Appears as a local drive
  • Is fault tolerant
  • Easy to manage

Question 9)
Which of the following is a protocol used by a Tape Gateway? (Select two)

  • S3
  • NFS
  • Glacier
  • iSCSI

Question 10)
Which of the following best describes object storage?

  • Splits data into fixed blocks and stores them with unique identifiers.
  • Divides data into self-contained units stored at the same level with no sub-directories.
  • Uses stored mode and cached mode to creates backups of all locally stored content for recovery purposes.
  • Saves all data in a single file and is organized by a hierarchical path of folders and subfolders.

 

WEEK 5 QUIZ ANSWERS

Final Exam Quiz Answers

Question 1)
How would you define logical topology?

  • It is a single network path that devices can plug in to.
  • It is the way data flows around the devices on a network.
  • It is the way network devices are physically connected.
  • It is a ring-shaped series of wires used to connect different hardware devices to each other.

Question 2)
What happens when a server fails in a tree topology?

  • Nothing happens
  • The whole network fails
  • Cables fail
  • Connected devices fail

Question 3)
Why is cable used more than fiber optic?

  • It has less network congestion.
  • It isn’t susceptible to interference.
  • It’s available in most places.
  • It has the fastest speed.

Question 4)
What kind of wireless network uses LTE?

  • WPAN
  • WMAN
  • WLAN
  • WWAN

Question 5)
What kind of wireless network uses IrDA?

  • WLAN
  • WMAN
  • WWAN
  • WPAN

Question 6)
How are data packets sent across a network?

  • In a sequential order.
  • With the largest data packets being sent first.
  • In a reverse order.
  • In a random order.

Question 7)
Which one of the below IP addresses is invalid?

  • 63.111.77.263
  • 132.55.34.144
  • 10.4.10.156
  • 185.93.10.255

Question 8)
What’s the difference between the OSI Model and the TCP/IP Model?

  • There is no difference between the TCP/IP model and the OSI model.
  • The TCP/IP model is a conceptual framework for networking, and the OSI model is a set of standards that define how computers should communicate on a network.
  • The TCP/IP model is a set of standards to define how computers should communicate on a network and the OSI model is a conceptual framework for networking.
  • The TCP/IP model defines the standards of the world wide web, whereas the OSI model is a set of standards that define IEEE and IEEE 802 communications.

Question 9)
Which of the following would the UDP protocol be used for? (Select two)

  • Live streaming
  • Email
  • Online gaming
  • Web browsing

Question 10)
Which of the following does a proxy server do?

  • Proxy servers hide the IP addresses of requesting clients.
  • Proxy servers monitor the network for any malicious activity.
  • Proxy servers monitor and control incoming and outgoing network traffic based on predetermined security rules.
  • Proxy servers connect multiple devices to the network via ethernet cable.

Question 11)
What is a node?

  • A server that provides storage to devices on a network.
  • A device that can create firewalls and block external signals.
  • The error message a user receives when the network is down.
  • A device that can send, receive, and create information on a network.

Question 12)
Which of the following cable types can work over the longest distance?

  • Ethernet
  • Coaxial
  • Serial
  • Fiber optic

Question 13)
How do you access router settings?

  • Through a web browser.
  • Via the Networks option in the Control Panel.
  • On the back of the router.
  • Via the Device Manager in Windows.

Question 14)
What IEEE standards do cellular networks use?

  • IEEE 802.11
  • IEEE 802.20 and IEEE 802.22
  • IEEE 802.16
  • IEEE 802.15

Question 15)
What is the most common broadband type?

  • RAID
  • DHCP
  • Static IP
  • PPoE

Question 16)
Which protocol lets you view email from multiple devices without data loss?

  • IMAP4
  • POP3
  • TCP
  • NFC

Question 17)
What is the difference between ephemeral storage and persistent storage?

  • Ephemeral storage uploads saved data to the cloud, whereas persistent storge downloads saved data from the cloud.
  • Ephemeral storage deletes saved data on restart, whereas persistent storage keeps saved data on restart.
  • Ephemeral storage keeps saved data on restart, whereas persistent storage deletes saved data on restart.
  • Ephemeral storage downloads saved data from the cloud, whereas persistent storage uploads saved data to the cloud.

Question 18)
Where is workgroup data stored?

  • Individual user devices
  • Direct Attached Storage unit
  • Solid-state drive
  • Network server

Question 19)
What is network-attached storage?

  • A data recovery service.
  • A local file server that acts as a hard drive for all devices on a network.
  • A RAID configuration popular with photographers.
  • A flash drive attached to a local device.

Question 20)
Which one of the following is a characteristic of object storage?

  • It is the default storage for frequently updated data.
  • It uses metadata for fast searching.
  • It provides user-level customization.
  • It is often used in databases and email servers.

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