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ITN 263 Midterm Pt 2 | Questions with 100% Correct Answers
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ITN 263 Midterm Pt 2 | Questions with 100% Correct Answers Devaki is an engineer who is designing network security for her company's infrastructure. She is incorporating protections for programming flaws, default settings, maximum values, processing capabilities, and memory capacities on devices,...

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  • August 4, 2024
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  • 2024/2025
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ITN 263 Midterm Pt 2


Devaki is an engineer who is designing network security for her company's
infrastructure. She is incorporating protections for programming flaws, default settings,
maximum values, processing capabilities, and memory capacities on devices, as well as
malicious code and social engineering. What is this type of protection called?
Defense in depth

The chief information officer (CIO) of a large company has been informed by the board
of directors that their corporation is anticipating rapid growth over the next two years.
She calculates the contingency of building additional capacity into the current network
infrastructure. Based on the board's growth estimates, what percentage of additional
capacity should she plan for?
More than 50 percent

Dhruv is the lead network engineer for his three-year-old company. He is writing a
proposal that recommends the network protocol to use in several branch offices. Based
on the age of the networking equipment, what is his recommendation to the chief
information officer (CIO)?
Upgrade to IPv6

Thirty years ago, a major corporation purchased and still owns IP addresses within the
IPv4 Class A range. The corporation uses these addresses to connect to the Internet.
To which IPv4 address range do they belong?
1.0.0.1 to 126.255.255.254

The network engineer of a mid-size company needs to have all servers, network
printers, and other online resources possess the same IPv4 address over time. The
engineer does not want to perform manual address assignments on all of these
resources. Additionally, she wants to prevent any rogue device from having an IPv4
address dynamically assigned just by making the request. What is her solution?
Dynamic Host Configuration Protocol (DHCP) reservation

Although it is not recommended, a company chief information officer (CIO) wants to
configure and use the ff02::1 group on his new IPv6 network to send traffic to every
node in the infrastructure. What group must he enable?
Anycast

A hacker is attempting to access a company's router using false Internet Control
Message Protocol (ICMP) type 5 redirect messages. What is the hacker's goal?
To spoof or manipulate routing data

Isabelle is the cybersecurity engineer for a medium-sized company. She is setting up a
firewall for examining inbound network traffic for a variety of characteristics. While

, remote users working from home should be allowed access to network resources,
malicious traffic should be blocked. To differentiate between the two, Isabelle is looking
at factors such as whether the inbound traffic is a response to a previous request inside
the network, whether it includes blocked domain names, IP addresses, and protocols,
and whether it conforms to known malicious patterns or is otherwise abnormal. What is
she setting up the firewall to practice?
Filtering

Mario is the network security engineer for his company. He discovered that, periodically,
a remote user working from home accesses certain resources on the network that are
not part of her regular duties. Mario has questioned the user and her supervisor, and
has accessed the user's workstation. Mario believes the user is not the source of these
intrusions and strongly suspects a malicious source is responsible. What is the most
likely explanation?
An external hacker has gained access to the user's authentication and is accessing
confidential company resources.

Nicolau is a network engineer for a large online retailer. He is concerned about the
security of his company's network connections to its customers, vendors, and partners.
Although all of these sources are generally trusted, he knows they can be hacked by
malicious parties and used to steal confidential company data. Which network-based
solution should he choose to detect unauthorized user activity and attacks that is also
capable of taking action to prevent a breach?
Intrusion detection system/intrusion prevention system (IDS/IPS)

Removing all unnecessary protocols, uninstalling all unnecessary applications and
services, and installing the latest final releases of all device drivers are part of which
security process?
Hardening

The chief information officer (CIO) is working with the chief financial officer (CFO) on
next year's budget for new networking equipment. The CIO is explaining that lowest-
cost equipment is not the sole deciding factor. The hardware must conform to high
security standards to prevent a malicious person from hacking into the network and
accessing valuable company data. Which of the following considerations does not
specifically require a hacker to have physical access to the equipment?
Remote connection

Gino is an ethical hacker hired as a consultant to test the security of a mid-sized
company's network. As part of his assignment, he has been given physical access to
the system. He has built a dictionary of hashed passwords from the hard drive of the
device. Which type of attack is he planning to launch?
Rainbow

Every morning when James logs into his computer and attempts to access Microsoft
365, he is asked to enter his password. After that, he is sent a text on his mobile phone

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