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Last Updated: Jun 24, 2026
IT Exam Items Repository › Category: CCNA Discovery v4
Which two services are required to enable a computer to receive dynamic IP addresses and access the Internet using domain names? (Choose two.)
ITExamAnswers Editorial Team asked 6 years ago • 
Refer to the exhibit. A network administrator is troubleshooting the serial connection between R1 and R2. There is no communication between R1 and R2. Based on the output of the show ip interface brief command, what is the cause of the problem?
ITExamAnswers Editorial Team asked 3 years ago • 
Refer to the exhibit. There is no dynamic routing protocol that is running on this network. The network administrator adds a static route via the use of the ip route 192.168.4.0 255.255.255.0 10.1.1.6 command. On which router should the network administrator issue this command?
ITExamAnswers Editorial Team asked 3 years ago • 
Refer to the exhibit. The interfaces on R1 and R2 have been properly configured with the IP addresses as shown. No dynamic routing protocols have been configured. The network administrator has entered the commands that are shown in the exhibit. Which two additional commands need to be entered on the routers to enable host A to access the Internet? (Choose two.)
ITExamAnswers Editorial Team asked 3 years ago • 
What is the function of the forward lookup DNS zone in the DNS name resolution process?
ITExamAnswers Editorial Team asked 3 years ago • 
What is the basis for determining the vector component of a route in the distance vector routing algorithm?
ITExamAnswers Editorial Team asked 3 years ago • 
If the start-up configuration is not found in NVRAM, where will the router look for it next by default?
ITExamAnswers Editorial Team asked 3 years ago • 
Refer to the exhibit. The network administrator has added networks A and B to router R1. Which two subnetwork numbers should be used to address networks A and B so that these networks use the same subnet mask as networks C and D? (Choose two.)
ITExamAnswers Editorial Team asked 3 years ago • 
A building has experienced a power outage. When the power returns, none of the devices on one floor can access the Internet. The network administrator checks the switch in the IDF that these devices are connected to and notes that the SYST LED on the front of the switch is amber. What is a possible cause of this problem?
ITExamAnswers Editorial Team asked 3 years ago • 
will occur if connectivity with the other host is
ITExamAnswers Editorial Team asked 3 years ago • 
Refer to the exhibit. The network administrator uses the command below to configure a default route on RTB: RTB(config)# ip route 0.0.0.0 0.0.0.0 fa0/0 A ping issued from PC3 is successful to RTB. However, echo request packets arrive at PC1 but the echo replies do not make it back to PC3. What will fix this problem?
ITExamAnswers Editorial Team asked 3 years ago • 
Refer to the exhibit. Which combination of cable types should be used to complete the connection?
ITExamAnswers Editorial Team asked 3 years ago • 
What is an example of a dedicated point-to-point WAN link?
ITExamAnswers Editorial Team asked 3 years ago • 
Refer to the exhibit. What does the highlighted value 120 represent?
ITExamAnswers Editorial Team asked 3 years ago • 
Which two parameters are stored in the routing table? (Choose two.)
ITExamAnswers Editorial Team asked 3 years ago • 
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