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- 1Which characteristic of the network layer in the OSI model allows carrying packets for multiple types of communications among many hosts? the de-encapsulation of headers from lower layers the selection of paths for and direct packets toward the destination the ability to operate without regard to the data that is carried in each packet the ability to manage the data transport between processes running on hoststhe ability to operate without regard to the data that is carried in each packet*
- 2What are two characteristics of IP? (Choose two.) does not require a dedicated end-to-end connection operates independently of the network media retransmits packets if errors occur re-assembles out of order packets into the correct order at the receiver end guarantees delivery of packetsdoes not require a dedicated end-to-end connection
operates independently of the network media - 3When a connectionless protocol is in use at a lower layer of the OSI model, how is missing data detected and retransmitted if necessary? Connectionless acknowledgements are used to request retransmission. Upper-layer connection-oriented protocols keep track of the data received and can request retransmission from the upper-level protocols on the sending host. Network layer IP protocols manage the communication sessions if connection-oriented transport services are not available. The best-effort delivery process guarantees that all packets that are sent are received.Upper-layer connection-oriented protocols keep track of the data received and can request retransmission from the upper-level protocols on the sending host.
- 4Which field in the IPv4 header is used to prevent a packet from traversing a network endlessly? Time-to-Live Sequence Number Acknowledgment Number Differentiated ServicesTime-to-Live
- 5What IPv4 header field identifies the upper layer protocol carried in the packet? Protocol Identification Version Differentiated ServicesProtocol
- 6What is one advantage that the IPv6 simplified header offers over IPv4? smaller-sized header little requirement for processing checksums smaller-sized source and destination IP addresses efficient packet handlingefficient packet handling
- 7What type of route is indicated by the code C in an IPv4 routing table on a Cisco router? static route default route directly connected route dynamic route that is learned through EIGRPdirectly connected route
- 8What routing table entry has a next hop address associated with a destination network? directly-connected routes local routes remote routes C and L source routesremote routes
- 9Which statement describes a hardware feature of a Cisco 1941 router that has the default hardware configuration? It does not have an AUX port. It has three FastEthernet interfaces for LAN access. It has two types of ports that can be used to access the console. It does not require a CPU because it relies on Compact Flash to run the IOSIt has two types of ports that can be used to access the console.
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- Karteikarten am Ohne Titel, erstellt von Daniel Wygoda am 26/03/2017.
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- Daniel Wygoda
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