The Candid Test On CCNA Chapter 6

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  • 1/21 Questions

     How many bits make up an IPv4 address?

    • 128
    • 64
    • 48
    • 32
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The Candid Test On CCNA Chapter 6 - Quiz
About This Quiz

Welcome to the candid test on CCNA Chapter 6, where we will be discussing the wide range of topics discussed in the sixth chapter of your studies regarding the CCNA certification. Can you answer all of the questions provided without getting any wrong? If so, you’ll have a real chance to ace the program!

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  • 2. 

    What is the primary reason for development of IPv6?

    • Security

    • Header format simplification

    • Expanded addressing capabilities

    • Addressing simplification

    Correct Answer
    A. Expanded addressing capabilities
    Explanation
    The primary reason for the development of IPv6 is to provide expanded addressing capabilities. IPv6 was created to address the limitation of IPv4's 32-bit addressing scheme, which could only support a limited number of unique IP addresses. With the rapid growth of the internet and the increasing number of devices connected to it, IPv6 was developed to provide a much larger pool of unique IP addresses, ensuring that there are enough addresses to accommodate the expanding network. This allows for the continued growth and scalability of the internet.

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  • 3. 

    Given the IP address and subnet mask of 172.16.134.64 255.255.255.224, which of the following would describe this address?

    • This is a useable host address

    • This is a broadcast address

    • This is a network address

    • This is not a valid address

    Correct Answer
    A. This is a network address
    Explanation
    The given IP address and subnet mask indicate that the last 5 bits of the address are used for host addresses, while the remaining bits are used for the network address. Therefore, the given address (172.16.134.64) falls within the range of network addresses and is not a usable host address or a broadcast address.

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  • 4. 

    What subnet mask would a network administrator assign to a network address of 172.30.1.0 if it were possible to have up to 254 hosts?

    • 255.255.0.0

    • 255.255.255.0

    • 255.255.254.0

    • 255.255.248.0

    Correct Answer
    A. 255.255.255.0
    Explanation
    The network address 172.30.1.0 falls under the Class B range of IP addresses, which means the default subnet mask is 255.255.0.0. However, since it is required to have up to 254 hosts, a subnet mask of 255.255.255.0 would be assigned. This subnet mask allows for 254 usable IP addresses within the network, with the first three octets (172.30.1) representing the network address and the last octet (0) being available for host addresses.

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  • 5. 

    Which process do routers use to determine the subnet network address based upon a given IP address and subnet mask?

    • Binary adding

    • Hexadecimal anding

    • Binary division

    • Binary multiplication

    • Binary ANDing

    Correct Answer
    A. Binary ANDing
    Explanation
    Routers use the process of binary ANDing to determine the subnet network address based on a given IP address and subnet mask. Binary ANDing involves comparing each bit of the IP address and subnet mask, and if both bits are 1, the corresponding bit in the subnet network address is set to 1. This process helps in identifying the network portion of the IP address and separating it from the host portion.

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  • 6. 

    What is a group of hosts called that have identical bit patterns in the high order bits of their addresses?

    • An internet

    • A network

    • An octet

    • A radi

    Correct Answer
    A. A network
    Explanation
    A group of hosts that have identical bit patterns in the high order bits of their addresses is called a network. In computer networking, a network refers to a collection of interconnected devices that can communicate and share resources with each other. The high order bits of an IP address determine the network portion of the address, which is used to identify the specific network that a host belongs to. Therefore, a group of hosts with identical high order bit patterns share the same network.

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  • 7. 

    Which of the following network devices are recommended to be assigned static IP addresses? (Choose three.)

    • LAN workstations

    • Servers

    • Network printers

    • Routers

    • Remote workstations

    • Laptops

    Correct Answer(s)
    A. Servers
    A. Network printers
    A. Routers
    Explanation
    Servers, network printers, and routers are recommended to be assigned static IP addresses. This is because these devices typically provide services or act as gateways in a network. By assigning them static IP addresses, it ensures that their IP addresses remain constant, allowing other devices to reliably connect to them and access their services. Additionally, it makes it easier to manage and troubleshoot these devices as their IP addresses are fixed and can be easily identified on the network.

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  • 8. 
    Refer to the exhibit. Host A is connected to the LAN, but it cannot get access to any resources on the Internet. The configuration of the host is shown in the exhibit. What could be the cause of the problem? - ProProfs

    Refer to the exhibit. Host A is connected to the LAN, but it cannot get access to any resources on the Internet. The configuration of the host is shown in the exhibit. What could be the cause of the problem?

    • The host subnet mask is incorrect

    • The default gateway is a network address

    • The default gateway is a broadcast address

    • The default gateway is on a different subnet from the host

    Correct Answer
    A. The default gateway is on a different subnet from the host
    Explanation
    The default gateway is on a different subnet from the host. This means that the host and the default gateway are not in the same network. In order for the host to access resources on the Internet, it needs to communicate with the default gateway, which acts as a bridge between the local network and the Internet. If the default gateway is on a different subnet, the host will not be able to reach it and therefore cannot access resources on the Internet.

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  • 9. 
    Refer to the exhibit. The network administrator has assigned the internetwork of LBMISS an address range of 192.168.10.0. This address range has been subnetted using a /29 mask. In order to accommodate a new building, the technician has decided to use the fifth subnet for configuring the new network (subnet zero is the first subnet). By company policies, the router interface is always assigned the first usable host address and the workgroup server is given the last usable host address. Which configuration should be entered into the workgroup server’s properties to allow connectivity to the network? - ProProfs

    Refer to the exhibit. The network administrator has assigned the internetwork of LBMISS an address range of 192.168.10.0. This address range has been subnetted using a /29 mask. In order to accommodate a new building, the technician has decided to use the fifth subnet for configuring the new network (subnet zero is the first subnet). By company policies, the router interface is always assigned the first usable host address and the workgroup server is given the last usable host address. Which configuration should be entered into the workgroup server’s properties to allow connectivity to the network?

    • IP address: 192.168.10.38 subnet mask: 255.255.255.240 default gateway: 192.168.10.39

    • IP address: 192.168.10.38 subnet mask: 255.255.255.240 default gateway: 192.168.10.33

    • IP address: 192.168.10.38 subnet mask: 255.255.255.248 default gateway: 192.168.10.33

    • IP address: 192.168.10.39 subnet mask: 255.255.255.248 default gateway: 192.168.10.31

    • IP address: 192.168.10.254 subnet mask: 255.255.255.0 default gateway: 192.168.10.1

    Correct Answer
    A. IP address: 192.168.10.38 subnet mask: 255.255.255.248 default gateway: 192.168.10.33
    Explanation
    The correct answer is IP address: 192.168.10.38 subnet mask: 255.255.255.248 default gateway: 192.168.10.33. This is the correct configuration because the subnet mask 255.255.255.248 indicates that the subnet has 8 addresses, with 6 usable addresses for hosts. The first usable host address is assigned to the router interface, which in this case is 192.168.10.33. The last usable host address is assigned to the workgroup server, which in this case is 192.168.10.38. The default gateway is the address of the router interface, which is 192.168.10.33.

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  • 10. 
    Refer to the exhibit. A network administrator has to develop an IP addressing scheme that uses the 192.168.1.0 /24 address space. The network that contains the serial link has already been addressed out of a separate range. Each network will be allocated the same number of host addresses. Which network mask will be appropriate to address the remaining networks? - ProProfs

    Refer to the exhibit. A network administrator has to develop an IP addressing scheme that uses the 192.168.1.0 /24 address space. The network that contains the serial link has already been addressed out of a separate range. Each network will be allocated the same number of host addresses. Which network mask will be appropriate to address the remaining networks?

    • 255.255.255.248

    • 255.255.255.224

    • 255.255.255.192

    • 255.255.255.240

    • 255.255.255.128

    • 255.255.255.252

    Correct Answer
    A. 255.255.255.192
    Explanation
    The network mask 255.255.255.192 will be appropriate to address the remaining networks. This subnet mask provides a total of 64 host addresses, which is the same number of host addresses required for each network.

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  • 11. 
    Refer to the exhibit. A network administrator discovers that host A is having trouble with Internet connectivity, but the server farm has full connectivity. In addition, host A has full connectivity to the server farm. What is a possible cause of this problem? - ProProfs

    Refer to the exhibit. A network administrator discovers that host A is having trouble with Internet connectivity, but the server farm has full connectivity. In addition, host A has full connectivity to the server farm. What is a possible cause of this problem?

    • The router has an incorrect gateway.

    • Host A has an overlapping network address.

    • Host A has an incorrect default gateway configured.

    • Host A has an incorrect subnet mask.

    • NAT is required for the host A network.

    Correct Answer
    A. NAT is required for the host A network.
    Explanation
    The fact that host A is having trouble with Internet connectivity but has full connectivity to the server farm suggests that the issue lies with the network address translation (NAT) configuration. NAT allows multiple devices on a private network to share a single public IP address, enabling them to access the Internet. If host A does not have NAT configured correctly, it may not be able to access the Internet despite having connectivity to the server farm.

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  • 12. 
    Refer to the exhibit. Which network prefix will work with the IP addressing scheme shown in the graphic. - ProProfs

    Refer to the exhibit. Which network prefix will work with the IP addressing scheme shown in the graphic.

    • /24

    • /16

    • /20

    • /27

    • /25

    • /28

    Correct Answer
    A. /27
    Explanation
    The IP addressing scheme shown in the graphic has a subnet mask of 255.255.255.224, which corresponds to a /27 network prefix. This means that the first 27 bits of the IP address are used to identify the network, while the remaining 5 bits are used for host addresses. Therefore, a /27 network prefix will work with this IP addressing scheme.

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  • 13. 

    A router interface has been assigned an IP address of 172.16.192.166 with a mask of 255.255.255.248. To which subnet does the IP address belong?

    • 172.16.0.0

    • 172.16.192.0

    • 172.16.192.128

    • 172.16.192.160

    • 172.16.192.168

    • 172.16.192.176

    Correct Answer
    A. 172.16.192.160
    Explanation
    The given IP address 172.16.192.166 with a mask of 255.255.255.248 belongs to the subnet 172.16.192.160. This is because the subnet mask 255.255.255.248 has a binary representation of 11111111.11111111.11111111.11111000, which means the first 29 bits are fixed and the last 3 bits can vary. When we apply this subnet mask to the IP address, we find that the last 3 bits of the IP address are 010, which corresponds to the subnet 172.16.192.160.

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  • 14. 

    What two things will happen if a router receives an ICMP packet which has a TTL value of 1 and the destination host is several hops away? (Choose two.)

    • The router will discard the packet.

    • The router will decrement the TTL value and forward the packet to the next router on the path to the destination host

    • The router will send a time exceeded message to the source host

    • The router will increment the TTL value and forward the packet to the next router on the path to the destination host

    • The router will send an ICMP Redirect Message to the source host

    Correct Answer(s)
    A. The router will discard the packet.
    A. The router will send a time exceeded message to the source host
    Explanation
    If a router receives an ICMP packet with a TTL value of 1 and the destination host is several hops away, two things will happen. First, the router will discard the packet because the TTL value has reached zero. Second, the router will send a time exceeded message to the source host to inform it that the packet could not reach the destination due to the TTL value being expired.

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  • 15. 

    What is the network address of the host 172.25.67.99 /23 in binary?

    • 10101100. 00011001.01000011.00000000

    • 10101100. 00011001.01000011.11111111

    • 10101100. 00011001.01000010.00000000

    • 10101100. 00011001.01000010.01100011

    • 10101100. 00010001.01000011. 01100010

    • 10101100. 00011001.00000000.00000000

    Correct Answer
    A. 10101100. 00011001.01000010.00000000
    Explanation
    The given IP address is 172.25.67.99 with a subnet mask of /23. The subnet mask of /23 means that the first 23 bits of the IP address are the network address, and the remaining 9 bits are for host addresses.

    Converting the subnet mask /23 to binary, we get 11111111.11111111.11111110.00000000.

    By applying the subnet mask to the IP address, we can determine the network address. The network address is obtained by performing a bitwise AND operation between the IP address and the subnet mask.

    Performing the bitwise AND operation between 172.25.67.99 and 11111111.11111111.11111110.00000000, we get 10101100.00011001.01000010.00000000, which is the network address.

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  • 16. 
    Refer to the exhibit. Why would the response shown be displayed after issuing the command ping 127.0.0.1 on a PC? - ProProfs

    Refer to the exhibit. Why would the response shown be displayed after issuing the command ping 127.0.0.1 on a PC?

    • The IP settings are not properly configured on the host.

    • Internet Protocol is not properly installed on the host

    • There is a problem at the physical or data link layer.

    • The default gateway device is not operating.

    • A router on the path to the destination host has gone down.

    Correct Answer
    A. Internet Protocol is not properly installed on the host
    Explanation
    The response shown would be displayed after issuing the command ping 127.0.0.1 on a PC because the Internet Protocol is not properly installed on the host. This means that the PC is unable to communicate with the loopback address, which is used to test network connectivity on the local machine. Without a properly installed Internet Protocol, the PC cannot send or receive data packets, resulting in the displayed response.

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  • 17. 

    Which three IP addresses are private? (Choose three.)

    • 172.168.33.1

    • 10.35.66.70

    • 192.168.99.5

    • 172.18.88.90

    • 192.33.55.89

    • 172.35.16.5

    Correct Answer(s)
    A. 10.35.66.70
    A. 192.168.99.5
    A. 172.18.88.90
    Explanation
    The three IP addresses that are private are 10.35.66.70, 192.168.99.5, and 172.18.88.90. Private IP addresses are reserved for use within private networks and are not routable over the internet. These addresses are commonly used in home and office networks for internal communication. The other IP addresses listed (172.168.33.1, 192.33.55.89, and 172.35.16.5) are not private addresses and can be used for public internet communication.

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  • 18. 

    Which statements are true regarding IP addressing? (Choose two.)

    • NAT translates public addresses to private addresses destined for the Internet

    • Only one company is allowed to use a specific private network address space.

    • Private addresses are blocked from public Internet by router

    • Network 172.32.0.0 is part of the private address space

    • IP address 127.0.0.1 can be used for a host to direct traffic to itself

    Correct Answer(s)
    A. Private addresses are blocked from public Internet by router
    A. IP address 127.0.0.1 can be used for a host to direct traffic to itself
    Explanation
    Private addresses being blocked from the public Internet by a router is true because private IP addresses are not routable on the Internet and are meant for use within a private network. The IP address 127.0.0.1, also known as the loopback address, can be used by a host to direct traffic to itself. This address is reserved for testing and troubleshooting purposes and is commonly used to check if the network stack of a device is functioning properly.

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  • 19. 

    What three facts are true about the network portion of an IPv4 address? (Choose three.)

    • Identifies an individual device

    • Is identical for all hosts in a broadcast domain

    • Is altered as packet is forwarded

    • Varies in length

    • Is used to forward packets

    • Uses flat addressing

    Correct Answer(s)
    A. Is identical for all hosts in a broadcast domain
    A. Varies in length
    A. Is used to forward packets
    Explanation
    The network portion of an IPv4 address is identical for all hosts in a broadcast domain because it represents the network to which the hosts belong. It varies in length because it can be subnetted to create smaller networks within a larger network. It is used to forward packets as routers use the network portion of the address to determine the next hop for the packet.

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  • 20. 

    Which of the following are features of IPv6? (Choose three.)

    • Larger address space

    • Faster routing protocols

    • Data types and classes of service

    • Authentication and encryption

    • Improved host naming conventions

    • Same addressing scheme as IPv4

    Correct Answer(s)
    A. Larger address space
    A. Data types and classes of service
    A. Authentication and encryption
    Explanation
    IPv6 has a larger address space compared to IPv4, allowing for a significantly larger number of unique IP addresses. It also introduces data types and classes of service, which provide more flexibility and options for different types of data transmission. Additionally, IPv6 includes authentication and encryption features, enhancing the security of network communications.

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  • 21. 

    Which IPv4 subnetted addresses represent valid host addresses? (Choose three.)

    • 172.16.4.127 /26

    • 172.16.4.155 /26

    • 172.16.4.193 /26

    • 172.16.4.95 /27

    • 172.16.4.159 /27

    • 172.16.4.207 /27

    Correct Answer(s)
    A. 172.16.4.155 /26
    A. 172.16.4.193 /26
    Explanation
    The given answer is correct because the subnet mask /26 means that the first 26 bits of the IP address are used to identify the network, leaving 6 bits for host addresses. Therefore, the valid host addresses within the subnet are those that have the last 6 bits as non-zero values. The IP addresses 172.16.4.155 and 172.16.4.193 fit this criteria.

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Quiz Review Timeline (Updated): Mar 18, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 18, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 12, 2011
    Quiz Created by
    Sharangkan

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