READ Free Dumps For Cisco- 400-101
| Question ID 18503 | Which two Cisco Express Forwarding tables are located in the data plane? (Choose two.)
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| Option A | the forwarding information base
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| Option B | the label forwarding information base
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| Option C | the IP routing table
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| Option D | the label information table
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| Option E | the adjacency table
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| Correct Answer | A,B |
Explanation Explanation: The control plane runs protocols such as OSPF, BGP, STP, LDP. These protocols are needed so that routers and switches know how to forward packets and frames. The data plane is where the actual forwarding takes place. The data plane is populated based on the protocols running in the control plane. The Forwarding Information Base (FIB) is used for IP traffic and the Label FIB is used for MPLS.
| Question ID 18504 | Refer to the exhibit.
 What is the PHB class on this flow?
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| Option A | EF
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| Option B | none
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| Option C | AF21
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| Option D | CS4
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| Correct Answer | D |
Explanation Explanation: This command shows the TOS value in hex, which is 80 in this case. The following chart shows some common DSCP/PHB Class values: Service DSCP value TOS value Juniper Alias TOS hexadecimal DSCP - TOS Binary Premium IP ef B8 101110 - 101110xx LBE cs1 001000 - 001000xx DWS cs4 100000 - 100000xx Network control cs6 c0 110000 - 110000xx Network control 2 cs7 e0 111000 - 111000xx Reference: http://www.tucny.com/Home/dscp-tos