QUESTION: 177

If there are multiple recipients in a multicast group, the administrator enables the IGMP- Snooping function on the switch connecting the recipient, and when the receiver receives the universal group query packet of the queryer from the switch, how should multiple recipients respond?

The first recipient whose response time time expires sends the Report message, the other receivers do not.
All recipients will respond to Report messages only if ICMPV2 is running.
All recipients will respond to the Report message only if IGMPvl is running.
All recipients will respond to the Report message

Answer(s): D

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QUESTION: 178

A workstation is connected to an Ethernet switch in the work through a super-class 5 wire, the workstation can access the entire network (that is, full connection) through the switch, but the access rate is much lower than expected, when viewing the switch interface statistics, you can detect that there are many ultra-small frames, with software to read the statistics of the workstation network card, found that there are Many FCS and frame alignment errors, what causes the machine to cause these errors?

The rate mismatch between the workstation and the switch
Interface mismatched to an 8021Qtrunk interface
The line between the workstation and the switch has been completely damaged
The operating mode between the workstation and the switch does not match
The network interface card on the workstation is damaged

Answer(s): D

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QUESTION: 179

The following description of the PPPoE data frame is correct?( Multiple choice questions).

Once a PPPoE session is established, all Ethernet packets are unicast
The Ethernet_Type domain is fixed to Ox8863
When PPPoE passes session data, Code must be set to Ox0
The Session_ID of the PPP session is not allowed to change and must be the specified in the Discovery phase

Answer(s): C,D

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