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Last Updated: Jun 24, 2026
IT Exam Items Repository › Category: CCNA
The IT department is reporting that a company web server is receiving an abnormally high number of web page requests from different locations simultaneously. Which type of security attack is occurring?
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Which type of Hypervisor is implemented when a user with a laptop running the Mac OS installs a Windows virtual OS instance?
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A technician needs to add a new wireless device to a small WLAN. The WLAN is a mixture of old and newer 802.11b and 802.11g devices. What choice for the new device would provide the most interoperability for present and future growth?
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A technician is configuring the channel on a wireless router to either 1, 6, or 11. What is the purpose of adjusting the channel?
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Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges?
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What is a characteristic of a WAN?
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A computer technician performed a number of actions to correct a problem. Some actions did not solve the problem, but eventually a solution was found. What should be documented?
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What characteristic of electricity is expressed in watts?
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Which is a requirement of a site-to-site VPN?
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Consider the following output for an ACL that has been applied to a router via the access-class in command. What can a network administrator determine from the output that is shown?
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Which type of OSPFv2 packet contains an abbreviated list of the LSDB of a sending router and is used by receiving routers to check against the local LSDB?
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Which wireless network topology would be used by network engineers to provide a wireless network for an entire college building?
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Which two devices are intermediary devices? (Choose two)
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When data is encoded as pulses of light, which media is being used to transmit the data?
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Which of the following is the name for all computers connected to a network that participate directly in network communication?
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