A.The transport layer divides a data stream into segments and may add reliability and flow control information.
B.The data link layer adds physical source and destination addresses and an FCS to the segment.
C.Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.
D.Packets are created when the network layer adds Layer 3 addresses and control information to a segment.
E.The presentation layer translates bits into voltages for transmission across the physical link.
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A. session
B. network
C. Physical
D. data link
E. Transport
A. application
B. presentation
C. session
D. transport
E. internet
F. data link
Refer to the exhibit, Host A pings interface S0/0 on router 3, what is the TTL value for that ping?（）
A. 253
B. 252
C. 255
D. 254
A.transport
B.network
C.presentation
D.session
E.application
Refer to the exhibit. Which three statements correctly describe Network Device A（）
A.With a network wide mask of 255.255.255.128, each interface does not require an IP address.
B.With a network wide mask of 255.255.255.128, each interface does require an IP address on a unique IP subnet.
C.With a network wide mask of 255.255.255.0, must be a Layer 2 device for the PCs to communicate with each other.
D.With a network wide mask of 255.255.255.0, must be a Layer 3 device for the PCs to communicate with each other.
E.With a network wide mask of 255.255.254.0, each interface does not require an IP address.
最新試題
What are three factors a network administrator must consider before implementing Netflow in the network?（）
What Netflow component can be applied to an interface to track IPv4 traffic?（）
What parameter can be different on ports within an EtherChannel?（）
What command visualizes the general NetFlow data on the command line?（）
What are two enhancements that OSPFv3 supports over OSPFv2? （）
What are three benefits of GLBP?（）
Refer to the exhibit.If the router Cisco returns the given output and has not had its router ID set manually, what value will OSPF use as its router ID?（）
Which three statements about the features of SNMPv2 and SNMPv3 are true?（）
Which one of these is a valid HSRP Virtual Mac Address?（）
What OSPF command, when configured, will include all interfaces into area 0?（）