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8MODULO8 1 7..1.Which OSI layer sends segments to be encapsulated in an IPv4 or IPv6 packet?data link layernetwork layertransport layersession layer2.Which layer is responsible for taking an IP packet and preparing it for transmission over the communications medium?3.What is the term for splitting up an IP packet when forwarding it from one medium to another medium with a Get answer to your question and much more Get answer to your question and much more 4.Which delivery method does not guarantee that the packet will be delivered fully without errors? Get answer to your question and much more 8 2 4..1.What are the two most commonly referenced fields in an IPv4 packet header that indicate where thepacket is coming from and where it is going? (Choose two.) Get answer to your question and much more Time to Livesource IP addressDifferentiated Services (DS)2.Which statement is correct about IPv4 packet header fields? Get answer to your question and much more 3.Which field is used to detect corruption in the IPv4 header?4.Which field includes common values such as ICMP (1), TCP (6), and UDP (17)? Get answer to your question and much more Get answer to your question and much more 1.Which three options are major issues associated with IPv4? (Choose three.)IP address depletionincreased network complexity and Internet routing table expansion always on connectionslack of end-to-end connectivityglobal and political boundariestoo many IPv4 addresses available2.Which two options are improvements provided by IPv6 as compared to IPv4? (Choose two.)3.Which is true of the IPv6 header? Get answer to your question and much more Get answer to your question and much more 4.Which is true of the IPv6 packet header? Get answer to your question and much more The Version field identifies the next header.8 4 5.. Upload your study docs or become a Course Hero member to access this document Upload your study docs or become a Course Hero member to access this document End of preview. Want to read all 54 pages? Upload your study docs or become a Course Hero member to access this document IP address, MAC address, Internet Protocol Suite, Address Resolution Protocol
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What are the two most commonly referenced fields in an IPv4 packet header that indicate where the packet is coming from and where it is going? The two most commonly referenced fields are the source and destination IP addresses. These fields identify where the packet is from and where it is going. Typically these addresses do not change while travelling from the source to the destination. Which fields in the IPv4 packet header are used to identify and validate the packet?
Which two options are major issues associated with IPv4 choose 2? Introduction to Networks CCNA1 v7 Chapter 8 Network Layer
What are the fields of an IPv4 packet?IPV4 header format is of 20 to 60 bytes in length, contains information essential to routing and delivery, consist of 13 fields, VER, HLEN, service type, total length, identification, flags, fragmentation offset, time to live, protocol, header checksum, source IP address, Destination IP address and option + padding, Which is commonly referred to as hop count in an IPv4 header?Packet header: For IPv4 packets, this field is always set to 0100. TTL. Contains an 8-bit binary value that is used to limit the lifetime of a packet. It is specified in seconds but is commonly referred to as hop count. Where are IPv4 address to layer 2?Where are IPv4 address to Layer 2 Ethernet address mappings maintained on a host computer? Answers Explanation & Hints: The ARP cache is used to store IPv4 addresses and the Ethernet physical addresses or MAC addresses to which the IPv4 addresses are mapped. Which of the following field in IPv4 datagram is not related to fragmentation?Explanation: TOS-type of service identifies the type of packets. It is not related to fragmentation but is used to request specific treatment such as high throughput, high reliability or low latency for the IP packet depending upon the type of service it belongs to. What are two services provided by the OSI network layer choose two?Error detection, placing frames on the media, and collision detection are all functions of the data ink layer. What are the four most important fields in an IPv4 header?The different fields of an IPv4 header are Version, IHL, Type of Service, Total Length, Flags, Fragment offset, TTL (Time to Live), Protocol, Header Checksum, Source IPv4 Address, Destination IPv4 Address, IP Options, Padding and the Data Payload. What are the fields in TCP header?The fields in Transmission Control Protocol (TCP) Segment Header are Source Port, Destination Port, Sequence Number, Acknowledgement Number, Header Length, Flags, Window Size, TCP Checksum and Urgent Pointer. What is the purpose of the IPv4 destination field in an IPv4 header?This field is used to indicate to the destination device where a received fragment should be placed when all of the data from the packet is being reassembled. The Fragment Offset, along with the Identification field, is used to identify packets that have been fragmented and reassemble them in the correct order. Which two statements are correct about IPv4 and IPv6 addresses choose?Which two statements are correct about IPv4 and IPv6 addresses? (Choose two.) IPv4 addresses are 32 bits in length. IPv6 addresses are represented by hexadecimal numbers. A DHCP server is used to assign IP addresses dynamically to the hosts on a network. Which two parts are components of an IPv4 address?IPv4 addresses are 32-bit numbers that are typically displayed in dotted decimal notation and contains two primary parts: the network prefix and the host number. What two statements about IPv4 and IPv6 addresses are true?Which two statements about IPv4 and IPv6 addresses are true? An IPv6 address is 128-bit, represented in hexadecimal & An IPv4 address is 32-bit, represented in decimal. What is header of datagram in IPv4?Packets in the IPv4 layer are called datagrams. A datagram is a variable-length packet consisting of two parts: header and data. The header is 20 to 60 bytes in length and contains information essential to routing. Version (VER): This 4-bit field defines the version of the IPv4 protocol. What is a header in IPv4?An IPv4 header is a prefix to an IP packet that contains information about the IP version, length of the packet, source and destination IP addresses, etc. It consists of the following fields: Here is a description of each field: Version – the version of the IP protocol. What is IPv4 header format?IPV4 header format is 20 to 60 bytes in length. It contains information need for routing and delivery. It consists of 13 fields such as Version, Header length, total distance, identification, flags, checksum, source IP address, destination IP address. It provides essential data need to transmit the data. Which field in an IPv4 header is used for error checking of the IP header?Header Checksum - The 16-bit field is used for error checking of the IP header. What is meant by hop count?HOP counts refer to the number of devices, usually routers, that a piece of data travels through. Each time that a packet of data moves from one router (or device) to another — say from the router of your home network to the one just outside your county line — that is considered one HOP. What is a hop count quizlet?The hop count identifies the number of routers in the path to the destination network. A default gateway router is a router that is used for packets sent to external networks. Which field in the IPv4 header is used to prevent a packet from traversing a network endlessly?The value of the Time-to-Live (TTL) field in the IPv4 header is used to limit the lifetime of a packet. Where are IPv4 address to layer?The Internet Layer of the TCP/IP model aligns with the Layer 3 (Network) layer of the OSI model. This is where IP addresses and routing live. What is Layer 2 Ethernet?Layer 2, also known as the Data Link Layer, is the second level in the seven-layer OSI reference model for network protocol design. Layer2 is the network layer used to transfer data between adjacent network nodes in a wide area network or between nodes on the same local area network. Which of the fields in IPv4 datagram is related to fragmentation?Fields Related to Fragmentation: The fields that are related to fragmentation and reassembly of an IP datagram are the identification, flags, and fragmentation offset fields. Which of the following fields in an IPv4 header are related to fragmentation?Fields Related to Fragmentation: The fields that are related to fragmentation and reassembly of an IP datagram are the identification, flags, and fragmentation offset fields. Which of the following is used in the options field of IPv4?Explanation: Record Route is an optional field used to record address. In IPv4 header, 40 bytes are reserved for OPTIONS. For Record Route to stores, 1 byte is used to store type of option, 1 byte for length and 1 byte for pointer. What are two services provided by the OSI network layer choose two quizlet?What are two services provided by the OSI network layer? Routing packets toward the destination. Encapsulating PDU's from the transport layer. Multicast transmission can be used by routers to exchange routing information. What are the two services provided by network layer?Generally, the network layer provides two classes of well-defined services, namely connectionless and connection oriented services to the numerous nodes or hosts communicating through subnet. What are the two layers of the OSI model?Answers Explanation & Hints: The OSI data link and physical layers together are equivalent to the TCP/IP network access layer. The OSI session layer (with the presentation layer) is included within the TCP/IP application layer. What are the different fields of an IP header explain them?Header Checksum - A value calculated based on the contents of the IP header. Used to determine if any errors have been introduced during transmission. Source IP Address - 32-bit IP address of the sender. Destination IP Address - 32-bit IP address of the intended recipient. What is IPv4 address example?IP (version 4) addresses are 32-bit integers that can be expressed in hexadecimal notation. The more common format, known as dotted quad or dotted decimal, is x.x.x.x, where each x can be any value between 0 and 255. For example, 192.0. 2.146 is a valid IPv4 address. What is IPv4 addressing?The IPv4 address is a 32-bit number that uniquely identifies a network interface on a system, as explained in How IP Addresses Apply to Network Interfaces. An IPv4 address is written in decimal digits, divided into four 8-bit fields that are separated by periods. Each 8-bit field represents a byte of the IPv4 address. Which 2 fields are included in the TCP header?The sequence number and window fields are included in the TCP header but not in the UDP header. What are the fields in the UDP and TCP segment header?Both TCP and UDP add first type of information in same manner. Both use two fields for this information; source port and destination port. Which are the two fields that refer to byte number and not the segment number in TCP segment format?1.Numbering System There are two fields in TCP mainly sequence number and acknowledgment number. These two fields in the TCP mainly refers to Byte Number. The bytes of data that are being transferred in each connection are numbered by TCP. Which two statements describe features of an IPv4 routing table on a router?The routing table lists the MAC addresses of each active interface. If a default static route is configured in the router, an entry will be included in the routing table with source code S . It stores information about routes derived from the active router interfaces. Which fields in the IPv4 packet header are used to identify and validate the packet choose three?Introduction to Networks CCNA1 v7 Chapter 8 Network Layer
What IPv4 header field identifies the upper layer?Explanation:It is the Protocol field in the IP header that identifies the upper-layer protocol the packet is carrying. The Version field identifies the IP version. Which two statements are correct about an IPv4 address choose two?0. What is the network address of host A? Host A has IPv4 address and subnet mask 172.16. 4.100 255. How does the ARP process use an IPv4 address?The address resolution protocol (ARP) maintains a cache of MAC to IPv4 address mappings on the local computer. If there is no mapping in the cache for a specific IPv4 address, then the ARP process sends an Ethernet broadcast on the local link in an attempt to resolve the destination IPv4 address to a MAC address. Which value that is contained in an IPv4 header field is decremented by each router that receives a packet time-to-live?In the IP Header, there is an 8-bit field called Time-to-live (TTL) that goes from 0 to 255. The value of the TTL is decremented by 1 each time a packet is routed by a router. When the TTL value is 0, the packet is discarded and an ICMP TTL Exceeded message might be sent back to the source of the packet. What are the three parts of an IPv4 address?IP addresses are hierarchical, and usually they are divided into following three parts: Which two IPv4 to IPv6 transition techniques manage the interconnection of IPv6 domains choose two?Which two IPv4 to IPv6 transition techniques manage the interconnection of IPv6 domains? (Choose two.) How many unique addresses are there using IPv4?There are only about 4.3 billion possible IPv4 addresses, which engineers assumed would be more than enough in the 1990s. With IPv6, there are about 340 trillion trillion trillion combinations — specifically: 340,282,366,920,938,463,463,374,607,431,768,211,456. Which two parts are components of an IPv4 address?IPv4 addresses are 32-bit numbers that are typically displayed in dotted decimal notation and contains two primary parts: the network prefix and the host number. 0. What is the network address of host A? Host A has IPv4 address and subnet mask 172.16. 4.100 255. IPV4 header format is of 20 to 60 bytes in length, contains information essential to routing and delivery, consist of 13 fields, VER, HLEN, service type, total length, identification, flags, fragmentation offset, time to live, protocol, header checksum, source IP address, Destination IP address and option + padding, |
What are the two most commonly referenced fields in an IPv4 packet header that indicate where the packet is coming from and where it is going?
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