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Last Updated: Jun 24, 2026
IT Exam Items Repository › Category: Network Fundamentals
Which OSI layer offers ordered data reconstruction services?
ITExamAnswers Editorial Team asked 3 years ago • 
Refer to the exhibit. Host A is unable to reach the remote network. On the basis of the provided output, what is the cause of the problem?
ITExamAnswers Editorial Team asked 3 years ago • 
Which combination of connectors will be used to make a straight-through cable when building a LAN to the T568A standard?
ITExamAnswers Editorial Team asked 3 years ago • 
Refer to the exhibit. The serial interface of the router was configured with the use of the commands that are shown. The router cannot ping the router that is directly connected to interface serial 0/0/0. What should the network technician do to solve this problem?
ITExamAnswers Editorial Team asked 3 years ago • 
Refer to the exhibit. A PC is connected to a network. Which action will verify that the PC can communicate with its default gateway?
ITExamAnswers Editorial Team asked 3 years ago • 
If an administrator wished to return a router to the default state, what additional step must be taken after issuing the command erase start-up config?
ITExamAnswers Editorial Team asked 3 years ago • 
Refer to the exhibit. Which option shows the correct topology given the configuration of Router1?
ITExamAnswers Editorial Team asked 3 years ago • 
Which three IPv4 addresses represent valid host addresses for a subnet? (Choose three.)
ITExamAnswers Editorial Team asked 3 years ago • 
An organization has decided to use IP addresses in the range 172.20.128.0 to 172.20.143.255. Which combination of network ID and subnet mask identifies all IP addresses in this range?
ITExamAnswers Editorial Team asked 3 years ago • 
Refer to the exhibit. With the router running NAT, what IP addresses can be applied to the computer to allow access to the Internet? (Choose three.)
ITExamAnswers Editorial Team asked 3 years ago • 
A network administrator subnets the network 192.168.1.0/24 into four subnets. Which option correctly addresses Router1 and host A into the second subnet created?
ITExamAnswers Editorial Team asked 3 years ago • 
Refer to the exhibit. Host A sends a frame to host C with a destination MAC address CC. The MAC address for host C is not in the MAC table of switch SW1. How will SW1 handle the frame?
ITExamAnswers Editorial Team asked 3 years ago • 
Which topology represents a collision-free environment?
ITExamAnswers Editorial Team asked 3 years ago • 
How does a DTE device determine its clocking information?
ITExamAnswers Editorial Team asked 3 years ago • 
Refer to the exhibit. A web browser is running on host PC1 with an IP address 10.10.2.2/24. A dynamic port number of 49152 is assigned to the browser. The browser sends a request for a web page to the web server with an IP address 192.168.1.254/24. Which statement is true?
ITExamAnswers Editorial Team asked 3 years ago • 
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