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A host computer has been correctly configured with a static IP address, but the default gateway is incorrectly set. Which layer of the OSI model will be first affected by this configuration error?
A. Layer 1
B. Layer 2
C. Layer 3
D. Layer 4
E. Layer 5
F. Layer 6
E. Layer 7
参考答案
更多 “ A host computer has been correctly configured with a static IP address, but the default gateway is incorrectly set. Which layer of the OSI model will be first affected by this configuration error?A. Layer 1B. Layer 2C. Layer 3D. Layer 4E. Layer 5F. Layer 6E. Layer 7 ” 相关考题
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In the 7－layer OSI model, which layer switching will take place?()
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An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC.If a reply is received, what does this confirm?()
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An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm()。
A.The PC has connectivity with a local host.B.The PC has connectivity with a Layer 3 device.C.The PC has a default gateway correctly configured.D.The PC has connectivity up to Layer 5 of the OSI model.E.The PC has the TCP/IP protocol stack correctly installed.
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When an IP packet is Layer 3-switched from a source in one VLAN to a destination in anotherVLAN, which field in a packet will be rewritten? （）A、Layer 2 TTLB、Layer 3 TTLC、Layer 3 source addressD、Layer 3 transport protocolE、Layer 3 destination address
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Assuming that an IP packet is sent from a source address in VLAN1 to a destination address in VLAN2 through a layer-3 switch, which part of the packet will be changed?（）A、Layer 2 TTLB、Layer 3 TTLC、Layer 3 source addressD、Layer 3 destination address
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Which of the following is a characteristic of a data center core?（）A、Server-to-server traffic always remains in the core layer.B、The recommended practice is for the core infrastructure to be in Layer 3.C、The boundary between Layer 2 and Layer 3 should be implemented in the aggregation layer.D、The Cisco Express Forwarding hashing algorithm is the default, based on the IP address and Layer 4 port.E、Core layer should run BGP along with an IGP becauseiBGP has a lower administrative distance than any IGP.
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In the 7-layer OSI model, which layer switching will take place?（）A、Layer twoB、Layer fourC、Layer oneD、Layer three
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When an IP packet is Layer 3-switched from a source in one VLAN to a destination in another VLAN,which field in a packet will be rewritten? （）A、Layer 2 TTLB、Layer 3 TTLC、Layer 3 source addressD、Layer 3 transport protocolE、Layer 3 destination address
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Distribution layer: This layer includes LAN-based routers and layer 3 switches . When is a first-hop redundancy protocol needed in the distribution layer?（）A、OSPF is not supported by the designB、HSRP is not supported by the designC、preempt tuning of the default gateway is neededD、the design implements Layer 3 between the access switch and the distribution switch
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An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC.If a reply is received, what does this confirm?（）A、The PC has connectivity with a local host.B、The PC has connectivity with a Layer 3 device.C、The PC has a default gateway correctly configuredD、The PC has connectivity up to Layer 5 of the OSI modelE、The PC has the TCP/IP protocol stack correctly installed.
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An administrator attempts to open a web page and sees the following error: 'Error 404: Page not found'. The administrator then uses the ping command and finds that the default gateway cannot be pinged. At which of the following layers does the problem MOST likely reside?（）A、Layer 1B、Layer 4C、Layer 5D、Layer 7
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At which layer of the OSI model does error checking occur with IPv6?（）A、Layer 2B、Layer 3C、Layer 4D、Layer 7
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单选题Which of the following is a characteristic of a data center core?（）A
Server-to-server traffic always remains in the core layer.B
The recommended practice is for the core infrastructure to be in Layer 3.C
The boundary between Layer 2 and Layer 3 should be implemented in the aggregation layer.D
The Cisco Express Forwarding hashing algorithm is the default, based on the IP address and Layer 4 port.E
Core layer should run BGP along with an IGP becauseiBGP has a lower administrative distance than any IGP.
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单选题An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm?（）A
The PC has connectivity with a local host.B
The PC has connectivity with a Layer 3 device.C
The PC has a default gateway correctly configured.D
The PC has connectivity up to Layer 5 of the OSI model.E
The PC has the TCP/IP protocol stack correctly installed.
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