IT Exam Items Repository

Last Updated: Jun 24, 2026
IT Exam Items Repository › Category: Networking Essentials
What subnet mask is needed if an IPv4 network has 40 devices that need IP addresses and address space is not to be wasted?
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What single subnet mask would be appropriate to use for the three subnetworks?
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A site administrator has been told that a particular network at the site must accommodate 126 hosts. Which subnet mask would be used that contains the required number of host bits?
ITExamAnswers Editorial Team asked 7 years ago • , ,
What type of IPv6 address is FE80::1?
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Which three addresses are valid public addresses? (Choose three.)
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What purpose does NAT64 serve in IPv6?
ITExam Editorial Team asked 5 years ago • ,
What are the three ranges of IP addresses that are reserved for internal private use? (Choose three.)
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What are three characteristics of multicast transmission? (Choose three.)
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What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?
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What are two functions of NVRAM? (Choose two.)
ITExamAnswers Editorial Team asked 7 years ago • , ,
Why does a Layer 3 device perform the ANDing process on a destination IP address and subnet mask?
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Refer to the exhibit. The network administrator for a small advertising company has chosen to use the 192.168.5.96/27 network for internal LAN addressing. As shown in the exhibit, a static IP address is assigned to the company web server. However, the web server cannot access the Internet. The administrator verifies that local workstations with IP addresses that are assigned by a DHCP server can access the Internet, and the web server is able to ping local workstations. Which component is incorrectly configured?
ITExamAnswers Editorial Team asked 5 years ago • , ,
What are two actions performed by a Cisco switch? (Choose two.)
ITExamAnswers Editorial Team asked 7 years ago • , ,
Which two OSI model layers have the same functionality as two layers of the TCP/IP model? (Choose two.)
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What are two benefits of using a layered network model? (Choose two.)
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