[FREE] Chapter 8 Cisco Exam Answers
The purpose of the transform set is to define what encryption and authentication schemes can be used. Remember that ESP provides confidentiality with encryption and integrity with authentication. The parameters that follow esp-des and esp-sha-hmac...
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CCNA 1 (v5.1 + v6.0) Chapter 8 Exam Answers 2021 – 100% Full
Which three statements describe the IPsec protocol framework? Choose three. AH provides integrity and authentication. ESP requires both authentication and encryption. AH is protocol number 51 and provides data authentication and integrity for IP packets that are exchanged between the peers. ESP, which is protocol number 50, performs packet encryption. Which statement accurately describes a characteristic of IPsec? IPsec works at the application layer and protects all application data.
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IPsec is a framework of proprietary standards that depend on Cisco specific algorithms. IPsec works at the transport layer and protects data at the network layer. IPsec is a framework of open standards that relies on existing algorithms. IPsec can provide the following security functions: Confidentiality — IPsec ensures confidentiality by using encryption. IKE uses several types of authentication, including username and password, one-time password, biometrics, pre-shared keys PSKs , and digital certificates. Secure key exchange- IPsec uses the Diffie-Hellman DH algorithm to provide a public key exchange method for two peers to establish a shared secret key. Which two IPsec protocols are used to provide data integrity?
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When should a network performance baseline be measured? After which step in the network troubleshooting process would one of the layered troubleshooting methods be used? Fill in the blank. The exhibit is not required to answer the question. The exhibit shows a fog covering trees on the side of a mountain. What statement describes Fog computing? It utilizes a centralized computing infrastructure that stores and manipulates big data in one very secure data center. It creates a distributed computing infrastructure that provides services close to the network edge.
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It requires Cloud computing services to support non-IP enabled sensors and controllers. It supports larger networks than Cloud computing does. When QoS is implemented in a converged network, which two factors can be controlled to improve network performance for real-time traffic? Choose two.
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Addresses The address ranges that are available include A network administrator needs to monitor network traffic to and from servers in a data center. Which features of an IP addressing scheme should be applied to these devices? Using a predictable static addressing scheme for these devices makes them easier to identify. Server security, redundancy, and duplication of addresses are not features of an IP addressing scheme. Choose two. It eliminates most address configuration errors. It guarantees that every device that needs an address will get one. It provides an address only to devices that are authorized to be connected to the network. It reduces the burden on network support staff. However, DHCP itself does not discriminate between authorized and unauthorized devices and will assign configuration parameters to all requesting devices.
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DHCP servers are usually configured to assign addresses from a subnet range, so there is no guarantee that every device that needs an address will get one. The address pool is configured with There are 3 printers on this network that need to use reserved static IP addresses from the pool. How many IP addresses in the pool are left to be assigned to other hosts?
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This will maintain good network performance, prevent the loss of bandwidth, and increase connectivity. A user cannot access the network. While the technician is checking the computer, the other users on the same network report that they are having the same problem. What should the technician do next? Check each computer to verify that they all have the same settings. Report the problem to the network administrator. Attempt to ping devices on other networks. Use nslookup to check network connectivity. Explanation: Unlit LED indicators on multiple computers in the same network is a possible symptom of a network problem. If the NIC is not attached to the network, pings and commands like nslookup will fail.
CCNA 3 (v5.0.3 + v6.0) Chapter 8 Exam Answers 2021 – 100% Full
It is best to escalate the problem to the network administrator for further investigation. A user can print to a printer that is on the same network, but the traffic of the user cannot reach the Internet. What is a possible cause of the problem? The PC default gateway address is missing or incorrect. The PC has an incorrect IP address. The network cable connected to the user PC is faulty. Explanation: The default gateway IP address is used to reach other networks, including the Internet. A technician is investigating a report that a computer is unable to access network resources. The technician discovers that the computer has an IP address of What is a logical first step in diagnosing this problem? Attempt to ping the default gateway. Test that DNS is operating correctly. Activate Network Discovery and File Sharing. Explanation: An IP address of There are many possible causes for this, but it is important to first check to see if the computer has any connection to the network at all.
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This should already be apparent from the IP address, so this test offers no additional information. Similarly, DNS will also fail. This problem is not related to the Network Discovery and File Sharing settings. A logical next step would be to inspect the cable if no LED lights are lit. A Windows 7 computer is unable to reach a mapped drive on a file server that is on another network within the organization.
CCNA 2 (v5.0.3 + v6.0) Chapter 8 Exam Answers 2021 – 100% Full
Further investigation shows that the user is able to use a printer that is connected to the same network as the computer. Which action should the technician perform next? Verify that DNS name resolution is operating properly. Inspect the network patch cable for wear or breaks. From the symptoms described, a good theory is that the default gateway setting is incorrect. Because the computer can access the printer, it is not necessary to check the cable or link lights to gather information to solve this problem. A user has taken a personal laptop to work. The laptop is unable to discover the name of the office wireless network. What are two potential causes of this problem? Choose two. The wireless router is not broadcasting the SSID. The laptop has not received an IP address from the wireless router. The wireless router is set to mixed mode. The network does not support the wireless protocol in use by the laptop.
IT Essentials (ITE v6.0) Chapter 8 Exam Answers 2021
The laptop must be configured with the office workgroup name. Explanation: The laptop could be using an older NIC that uses a protocol not supported by the network. This would be especially likely if the wireless router was not configured in mixed mode. In addition, the wireless router could have SSID broadcasting deactivated. In either case, the computer would not be able to discover the network name. An IP address or workgroup configuration is not required to see the network name. A network technician attempts to ping www. Access to mapped network drives and a shared printer are working correctly. What are two potential causes for this problem? The Windows domain or workgroup name that is configured on the computer is incorrect. The target web server is down. The computer has been assigned a static IP address. DNS service is unavailable on the customer network. The HTTP protocol is not working properly on the target server.
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Explanation: A ping would fail if the destination device was not operational. The fact that a computer had a static IP address is not a factor. Even if the target protocol HTTP is not functioning, the server would still respond to a ping. A technician uses the nbtstat -A What does the technician expect to view in the command output? Fill in the blank. What is the acronym for the protocol that is used when securely communicating with a web server? Private cloud services are intended for a specific organization or entity. A custom cloud is built to meet the needs of a specific industry. A hybrid cloud is made up of two or more clouds that are connected via a single architecture.
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The correct configuration on R1 is: router ospf 10 network What are two reasons that will prevent two routers from forming an OSPFv2 adjacency? Choose two. OSPF network types do not match. There is a missing or incorrect OSPF network command. Mismatched IOS versions, the use of private IP addresses, and different types of interface ports used on a switch are not causes for an OSPF adjacency failing to form between two routers.
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What does a Cisco router use automatically to create link-local addresses on serial interfaces when OSPFv3 is implemented? Single area OSPFv3 has been enabled on a router via the ipv6 router ospf 20 command. Which command will enable this OSPFv3 process on an interface of that router? In the case the process ID is 20 and the area ID is 0. Fill in the blank. Which command will provide information specific to OSPFv3 routes in the routing table?
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The show ipv6 route command will show the entire routing table. The show ip route and show ip route ospf commands are used with OSPFv2. Which command should be used to check the OSPF process ID, the router ID, networks the router is advertising, the neighbors the router is receiving updates from, and the default administrative distance? The show ip ospf interface command provides detailed information about every OSPF-enabled interface. What is the metric that is used by OSPF? OSPF calculates cost inversely to the bandwidth of an interface. The higher the interface bandwidth, the lower the cost of the interface. What function is performed by the OSPF designated router? What is used to create the OSPF neighbor table? When a network engineer is configuring OSPFv3 on a router, which command would the engineer issue immediately before configuring the router ID?
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This address is not included in the routing table and is not defined by the network command. If a router ID that is configured through the router-id command is not available, OSPF routers next use the highest IP address available on a loopback interface, as loopbacks used as router IDs are also not routable addresses. Lacking either of these alternatives, an OSPF router will use the highest IP address from its active physical interfaces. Match the OSPF state with the order in which it occurs. Not all options are used. Match each OSPF packet type to how it is used by a router. Match the information to the command that is used to obtain the information. Older Version Refer to the exhibit. When the auto-summary command is issued on R3, which two summary networks will be advertised to the neighbors?
CCNA 1 (v + v) Chapter 8 Exam Answers for IP Addressing - Config Router
From year to year, Cisco has updated many versions with difference questions. The latest version is version 6. Flinger and William I. AP Practice Questions Review the questions and the answers: B. Copy the notes and try the examples left blank. When Miss Jones herself answered the door, the famous pianist introduced himself and explained that he 5 listen to her play. He also said that, if she wished him to do so, he gladly 6 play the sonata for her in the way it should be played.
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Part 1: Multiple Choice. Circle the letter corresponding to the best answer. A tree farmer hires a botanist to evaluate a blight that seems to be affecting his trees. The trees are planted in horizontal rows on a hill and the blight seems to be a bigger problem near the bottom of the hill. The farmer wants to know the extent of the damage to the trees. Start reviewing for the AP exam so we can just focus on "new stuff" when we're back. Re-organize or even create an outline of your notes! Do a practice test! Part 1 1. Other respondents claimed that illegal logging raised many conflicts in order to good reasons assignments homework statistics ap to act, the deped core values core value 2 : Love of country of origin of second language and academic literacies.
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In some programs, the dissertation or thesis are shown in table 1. Table 7. Which field marks the beginning and end of an HDLC frame? A laptop is connected to an AP and is associated with the connection that is labeled A. I will assign each of the students in the graduating class a three-digit number and will randomly select a sample of 20 students using a random integer generator I will label the students from 1 to and randomly generate 20 numbers The numbers I generated are: 73, 15, , 14, 59, , 31, 10, , 81, , 88, , , 36, 52, 59i, Use a stemplot to assess the normality of the following data set. Hint, drop the last zero. Provide a sketch of how you think the normal probability plot will look.
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