[Chapter 6 Quiz] Comp 20173 Data Communication And Networking

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  • 1/10 Questions

    What is the meaning of term ISP?

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About This Quiz

This quiz for COMP 20173 Data Communication and Networking assesses knowledge on network configurations, subnetting, and IP addressing. It is designed for learners to understand network administration essentials, enhancing skills in managing Internet connectivity and network communication.

Networking Quizzes & Trivia

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  • 2. 

    In network communication, it is process of sending a packet from one host to an individual host

    • Unicast

    • Multicast

    • Broadcast

    • None of these

    Correct Answer
    A. Unicast
    Explanation
    Unicast refers to the process of sending a packet from one host to an individual host in network communication. This means that the packet is specifically addressed to a single recipient, ensuring that it reaches only that intended host. Unlike multicast, where a packet is sent to a group of hosts, and broadcast, where a packet is sent to all hosts on a network, unicast is a one-to-one communication method.

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  • 3. 

    A special address used to send data to all hosts in the network

    • Host Address

    • Broadcast Address

    • Network Address

    • Option 4

    Correct Answer
    A. Broadcast Address
    Explanation
    A broadcast address is a special address used to send data to all hosts in the network. When a device sends data to the broadcast address, it is received by all devices connected to that network. This is useful for sending information that needs to reach all hosts, such as network announcements or updates. The broadcast address is different from a host address, which is used to identify a specific device, and a network address, which is used to identify the network itself.

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  • 4. 

    In network communication, it is the process of sending a packet from one host to a selected group of hosts.

    • Unicast

    • Multicast

    • Broadcast

    • None of these

    Correct Answer
    A. Multicast
    Explanation
    Multicast is the correct answer because it refers to the process of sending a packet from one host to a selected group of hosts in network communication. Unlike unicast, which sends a packet to a single host, multicast allows for efficient communication to multiple hosts simultaneously. Broadcast, on the other hand, sends a packet to all hosts on the network, while "None of these" is not applicable in this context.

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  • 5. 

    127.0.0.1 is also called as "this computer".

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The IP address 127.0.0.1 is commonly referred to as "this computer" because it is the loopback address. This address is used to test network connections on the local machine. When a program sends data to this address, it is looped back to the same machine without actually being sent over the network. Therefore, "this computer" is a fitting term for 127.0.0.1.

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  • 6. 

    What subnet mask would be used with the hosts in the 128.107.176.0 /22 network?

    • 255.0.0.0

    • 255.248.0.0

    • 255.255.252.0

    • 255.255.255.0

    • 255.255.255.252

    Correct Answer
    A. 255.255.252.0
    Explanation
    The given IP address is 128.107.176.0 with a subnet mask of /22. This means that the first 22 bits of the IP address represent the network portion, while the remaining bits represent the host portion. To determine the subnet mask, we need to convert the /22 notation to the corresponding subnet mask. The subnet mask 255.255.252.0 has the first 22 bits set to 1, indicating the network portion, and the remaining bits set to 0, indicating the host portion. Therefore, the subnet mask 255.255.252.0 would be used with the hosts in the 128.107.176.0 /22 network.

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  • 7. 

    A network administrator is building a network for a small business that has 22 hosts. The ISP has assigned only one Internet routable IP address. Which IP address block can the network administrator use to address the network?

    • 10.11.12.16 /28

    • 172.31.255.128 /27

    • 192.168.1.0 /28

    • 209.165.202.128 /27

    Correct Answer
    A. 172.31.255.128 /27
    Explanation
    The network administrator can use the IP address block 172.31.255.128 /27 to address the network. This block provides a range of IP addresses from 172.31.255.129 to 172.31.255.158, which is sufficient to accommodate the 22 hosts in the small business network. The /27 subnet mask allows for 30 usable host addresses, which is more than enough for the 22 hosts.

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  • 8. 

    LEGACY IPv4 Addressing: Identify the IPv4 class - 125.45.82.7

    • Class A

    • Class B

    • Class C

    • Invalid IPv4 Class

    Correct Answer
    A. Class A
    Explanation
    The given IPv4 address, 125.45.82.7, falls within the range of Class A addresses. In Class A, the first octet is reserved for the network portion, and the remaining three octets are used for host addresses. The range of Class A addresses is from 1.0.0.0 to 126.255.255.255, and the given address falls within this range. Therefore, it is classified as Class A.

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  • 9. 

    The unicast addresses assigned to the end devices in the network.

    •  Network Addresses

    • Broadcast Addresses

    • Host Addresses

    • None of these

    Correct Answer
    A. Host Addresses
    Explanation
    The correct answer is "Host Addresses." In a network, unicast addresses are assigned to individual end devices such as computers, smartphones, or printers. These addresses are unique and allow for direct communication between specific devices on the network. Network addresses are used to identify the network itself, while broadcast addresses are used to send data to all devices on the network. Therefore, the unicast addresses assigned to end devices are referred to as host addresses.

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  • 10. 

    In Computer Network, the loopback is also known as __________ ?

    • This machine

    • Localhost 

    • This PC

    • All of these

    Correct Answer
    A. All of these
    Explanation
    The loopback in computer networks refers to a special IP address (127.0.0.1) that is used to test network connectivity on a local machine. It is also known as "localhost" or "this PC". Therefore, all of the given options (this machine, localhost, this PC) are correct terms for referring to the loopback in computer networks.

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  • Current Version
  • Mar 18, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 19, 2019
    Quiz Created by
    Homer Santos
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