[DOWNLOAD] Ccna 1 Chapter 9 Exam Answers
Calibrate the printer. What would be the cause of this problem? The printer is not configured for duplex printing. The printer does not have enough memory to buffer an entire photograph. The printer is not configured for the proper paper...
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Which factor determines TCP window size? During a TCP session, a destination device sends an acknowledgment number to the source device. What does the acknowledgment number represent? What information is used by TCP to reassemble and reorder received segments? What does TCP do if the sending source detects network congestion on the path to the destination? The source host will send a request for more frequent acknowledgments to the destination. The source will decrease the amount of data that it sends before it must receive acknowledgements from the destination. The source will acknowledge the last segment that is sent and include a request for a smaller window size in the message. What is a characteristic of UDP? UDP datagrams take the same path and arrive in the correct order at the destination.
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Applications that use UDP are always considered unreliable. UDP reassembles the received datagrams in the order they were received. What does a client do when it has UDP datagrams to send? It just sends the datagrams. It sends a simplified three-way handshake to the server. It sends to the server a segment with the SYN flag set to synchronize the conversation. What happens if the first packet of a TFTP transfer is lost? The client will wait indefinitely for the reply. The TFTP application will retry the request if a reply is not received. The transport layer will retry the query if a reply is not received.
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A host device is receiving live streaming video. How does the device account for video data that is lost during transmission? The device will immediately request a retransmission of the missing data. The device will use sequence numbers to pause the video stream until the correct data arrives. The device will delay the streaming video until the entire video stream is received.
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The device will continue receiving the streaming video, but there may be a momentary disruption. Which three application layer protocols use TCP? Choose three.
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What happens if the first packet of a TFTP transfer is lost? The TFTP application will retry the request if a reply is not received. The client will wait indefinitely for the reply. The transport layer will retry the query if a reply is not received. The next-hop router or the default gateway will provide a reply with an error code. What does a client do when it has UDP datagrams to send? It just sends the datagrams. It sends a simplified three-way handshake to the server. It queries the server to see if it is ready to receive data. It sends to the server a segment with the SYN flag set to synchronize the conversation. What is a characteristic of UDP? UDP datagrams take the same path and arrive in the correct order at the destination.
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Applications that use UDP are always considered unreliable. UDP only passes data to the network when the destination is ready to receive the data. UDP reassembles the received datagrams in the order they were received. A host device is receiving live streaming video. How does the device account for video data that is lost during transmission? The device will use sequence numbers to pause the video stream until the correct data arrives. The device will continue receiving the streaming video, but there may be a momentary disruption. The device will delay the streaming video until the entire video stream is received. The device will immediately request a retransmission of the missing data.
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What does TCP do if the sending source detects network congestion on the path to the destination? The source host will send a request for more frequent acknowledgments to the destination. The source will decrease the amount of data that it sends before it must receive acknowledgements from the destination. The destination will request retransmission of the entire message. The source will acknowledge the last segment that is sent and include a request for a smaller window size in the message. Explanation: If the source determines that TCP segments are either not being acknowledged or not acknowledged in a timely manner, then it can reduce the number of bytes it sends before receiving an acknowledgment. Notice that it is the source that is reducing the number of unacknowledged bytes it sends. This does not involve changing the window size in the segment header.
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What is a characteristic of UDP? UDP datagrams take the same path and arrive in the correct order at the destination. UDP only passes data to the network when the destination is ready to receive the data. Explanation: UDP has no way to reorder the datagrams into their transmission order, so UDP simply reassembles the data in the order it was received and forwards it to the application. It just sends the datagrams. It queries the server to see if it is ready to receive data. It sends a simplified three-way handshake to the server. It sends to the server a segment with the SYN flag set to synchronize the conversation. Explanation: When a client has UDP datagrams to send, it just sends the datagrams.
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What happens if the first packet of a TFTP transfer is lost? The client will wait indefinitely for the reply. The TFTP application will retry the request if a reply is not received. The next-hop router or the default gateway will provide a reply with an error code. The transport layer will retry the query if a reply is not received. A host device is receiving live streaming video. How does the device account for video data that is lost during transmission?
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The device will immediately request a retransmission of the missing data. The device will use sequence numbers to pause the video stream until the correct data arrives. The device will continue receiving the streaming video, but there may be a momentary disruption. Explanation: When TCP is used as the transport protocol, data must be received in a specific sequence or all data must be fully received in order for it to be used. TCP will use sequence numbers, acknowledgments and retransmission to accomplish this. However, when UDP is used as the transport protocol, data that arrives out of order or with missing segments may cause a momentary disruption, but the destination device may still be able to use the data that it has received.
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This technology results in the least amount of network delay by providing minimal reliability. Since live streaming video applications use UDP as the transport protocol, the receiver will continue showing the video although there may be a slight delay or reduction in quality. UDP is the preferred protocol for applications that provide voice or video that cannot tolerate delay. Which three application layer protocols use TCP? Choose three.
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Which two characteristics are associated with UDP sessions? Choose two. Destination devices receive traffic with minimal delay. Destination devices reassemble messages and pass them to an application. Received data is unacknowledged. The administrator must enter the no forward interface vlan command before the nameif command on the third interface. Private cloud services are intended for a specific organization or entity. In this simulation, take your test, get your score and share with others! What is the purpose of the command marked with an arrow shown in the partial configuration output of a Cisco broadband router? It-essentials v7. Match the definition to the type of cloud. A software engineer is involved in the development of an application. For usability tests, the engineer needs to make sure that the application will work in both Windows 7 and Windows 8 environments.
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The features and functions must be verified in the actual OS environment. Which method is used by a PAT-enabled router to send incoming packets to the correct inside hosts? Your humoristic style is awesome, keep up the good work! And you can look our website about proxy list. It-essentials v7 Chapter 9 Exam Answers 1. CCNA 1 v5 Introduction to Networks : Introduces the architecture, structure, functions, components, and models of the Internet and computer networks. The principles of IP addressing and fundamentals of Ethernet concepts, media, and operations are introduced to provide a foundation for the curriculum. CCNA 3 v6. What are two reasons for creating an OSPF network with multiple areas? When should a network performance baseline be measured? A network administrator enters the command copy running-config startup-config. Which type of memory will the startup configuration be placed into?
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CCNA 1 v5. The following are the questions exam answers. CCNA 1 v6. Users are reporting longer delays in authentication and in accessing network resources during certain time periods of the week. By Alex Walton Examenes No hay comentarios. Questions and answers; 5. A PC is downloading a large file from a server. The TCP window is bytes. The server is sending the file using byte segments. All addresses are using a subnet mask of CCNA3 v6. The networks to be summarized are How many broadcast domains are there? What is the term used to indicate a variation of delay? A network engineer performs a ping test and receives a value that shows the time it takes for a packet to travel from a source to a destination device and return.
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Which features of an IP addressing scheme should be applied to these devices? 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. A computer that is configured with the IPv6 address as shown in the exhibit is unable to access the internet. What is the problem? The DNS address is wrong. There should not be an alternative DNS address. The gateway address is in the wrong subnet.
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The only pool that contains 32 addresses is the pool with range What is a possible scenario for Zones A, B, and C? Choose two. They are the most common type of ACL. They are applied to interfaces to control traffic. They are typically only used for OSPF routes. They identify only the destination IP address. Standard access lists cannot be applied to interfaces to control traffic. Refer to the exhibit. A network administrator is configuring the security level for the ASA. What is a best practice for assigning the security level on the three interfaces? Security levels define the level of trustworthiness of an interface. The higher the level, the more trusted the interface. The security level numbers range between 0 untrustworthy to very trustworthy. Therefore, the interface connecting to the Internet should be assigned the lowest level. The interface connecting to the internal network should be assigned the highest level. The interface connecting to the DMZ network should be assigned a level between them.
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Which statement describes the default result if the administrator tries to assign the Inside interface with the same security level as the DMZ interface? The ASA console will display an error message. Multiple interfaces in an ASA can be assigned the same security level. To allow connectivity between interfaces with the same security levels, the same-security-traffic permit inter-interface global configuration command is required. Traffic from the higher level network to the lower level network is allowed by default. However, traffic initiated on the lower level network is denied access to the higher level network by default. Both use deny and permit ACEs. ACLs can be either named or numbered. What is one of the drawbacks to using transparent mode operation on an ASA device? What is a characteristic of ASA security levels?
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An ACL needs to be configured to explicitly permit traffic from an interface with a lower security level to an interface with a higher security level. Each operational interface must have a name and be assigned a security level from 0 to The lower the security level on an interface, the more trusted the interface. Inbound traffic is identified as the traffic moving from an interface with a higher security level to an interface with a lower security level. The ASA assigns security levels to distinguish between inside and outside networks. The security level numbers range between 0 to When traffic moves from an interface with a higher security level to an interface with a lower security level, it is considered outbound traffic.
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What must be configured on a Cisco ASA device to support local authentication? ASA uses the? To use a show command in a general configuration mode, ASA can use the command directly whereas a router will need to enter the do command before issuing the show command. Although it shares some common features with the router IOS, it has its unique features. The IOS do command is not required or recognized. Both CLIs use the Tab key to complete a partially typed command. Different from the router IOS, the ASA provides a help command that provides a brief command description and syntax for certain commands. What are two factory default configurations on an ASA ? VLAN 2 is configured with the name inside. The internal web server is disabled. DHCP service is enabled for internal hosts to obtain an IP address and a default gateway from the upstream device.
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