ITN 101 Module 08 - Segmentation
Identify the current name of a DMZ (demilitarized zone). - ✔✔Screened subnet - Can provide an
area of the network with less stringent security policies that allow traffic from website visitors, while
other portions of the network cannot be accessed from the Internet.
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Phillips is a trainee who is currently on probation at ICP Solutions. Under which of the following
groupings will he classify the network segment of the floors of a building connected by a LAN? -
✔✔Geographic locations - Will include the floors of a building connected by a LAN (local area
network), or the buildings connected by a WAN (wide area network).
JVC Corporations is a multinational company that has a variety of products worldwide. You are
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working as a network engineer with the network management team of the company. The network
administrator has requested you to submit a network document after subdividing the smaller network
of Human Resources into a separate network segment so that it is convenient for troubleshooting.
Under which of the following groupings will you place this network segment in this scenario? -
✔✔Departmental boundaries - Will include the Accounting, Human Resources, and Sales
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departments.
Which of the following will allow subnets to be further subdivided into smaller and smaller groupings
until each subnet is about the same size as the necessary IP address space? - ✔✔VLSM (Variable
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Length Subnet Mask) - Allows subnets to be further subdivided into smaller and smaller groupings
until each subnet is about the same size as the necessary IP address space.
What will be the number of hosts per subnet in a 255.255.255.240 IPv4 class C subnet mask? -
✔✔14
You have been appointed to design a subnet mask for a network. The current IP address of the
network is 192.168.89.0. You have been requested by the network administrator to divide this local
network into nine subnets to correspond to the organization's nine different floors. How many bits will
you borrow from the host portion of the ID address in this scenario? - ✔✔Four bits - By applying the
2n = Y formula to calculate the number of bits required to divide a network into nine subnets, four bits
will be sufficient.
When a router connects to a switch that supports multiple VLANs, it is sometimes called _____. -
✔✔a router-on-a-stick
Which of the following VLANs receives all untagged frames from untagged ports? - ✔✔Native VLAN
, Which of the following carries user-generated traffic, such as email, web browsing, or database
updates? - ✔✔Data VLAN
Brown Industries consults you to review and check for faults in the recently installed port-based VLAN
network on its premises. The VLAN has been segmented according to Brown Industries' departments
such as Sales, Finance, and Marketing. On inspection, you realize that a virtual sales client, which
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should have been plugged into port 6, has been plugged into port 1, which is reserved for marketing
clients. What kind of configuration error are you facing in this situation? - ✔✔Incorrect VLAN
assignment - This can happen due to a variety of situations, including plugging a device into the
wrong switch port or misconfigurations of the client authentication process in which a VLAN is
assigned to a device before the authentication process is complete.
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Mason, a new network engineer in your organization, has set up the configuration of the switch ports
to other network devices. On inspection, you, the network administrator, realize that the configuration
has been made using access mode instead of trunk mode. What kind of a configuration error are you
facing in this situation? - ✔✔Incorrect port mode - Switch ports connected to endpoints, such as
workstations and servers, should nearly always use access mode. Switch ports connected to other
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network devices should be configured in trunk mode only if that connection must support multiple
VLANs.
Murphy Communications has been running a VLAN-managed network to connect different devices.
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You as a network analyst want to assign a name to the VLAN network, but you are unable to do so.
What kind of VLAN is most likely being used in the organization? - ✔✔Default VLAN - A default
VLAN cannot be renamed or deleted; however, ports in the default VLAN can be reassigned to other
VLANs.
Your network administrator wants you, a network analyst, to partition a VLAN broadcast domain.
However, he has asked you to ensure that the host can connect with the Internet. Which of the
following will you use in this scenario? - ✔✔Community VLAN - Hosts within the same community
VLAN can communicate with each other but not with hosts in other secondary VLANs.
An attack has been detected in your network system by one of the network engineers. Analyzing the
attack, you come to know that the system was accessed through one of the switches where the
hacker fed his own VLAN traffic into the port and accessed the network. What kind of an attack have
has been experienced in this scenario? - ✔✔Switch spoofing - An attacker connects to a switch and
then makes the connection look to the switch as if it's a trunk line. The switch might auto-configure its
port into trunk mode when it detects trunk mode on the other end of the connection. A hacker can
then feed their own VLAN traffic into that port and access VLANs throughout the network.
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