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- CCNA Routing and Switching 200-125
141.
Which version of Simple Network Management Protocol (SNMP) supports the
Inform SNMP message?
- A.SNMP version 1
- B.SNMP version v2
- C.SNMP version 2c
- D.SNMP version 3
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| The introduction of SNMP version 2c added the Inform and Get-bulk messages for SNMP. |
142.
Which protocol and port number does SNMP use for polling from the NMS?
- A.UDP/161
- B.TCP/162
- C.UDP/162
- D.UDP/514
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
| SNMP uses UDP port 161 for communication from an SNMP network management station to a network device for information requests. |
143.
Which version of SNMP offers authentication and encryption?
- A.SNMP version 1
- B.SNMP version 2e
- C.SNMP version 2c
- D.SNMP version 3
- Answer & Explanation
- Report
Answer : [D]
Explanation :
Explanation :
| SNMP version 3 introduced message integrity, authentication, and encryption to the SNMP suite. |
144.
What is the database of variables that SNMP uses to allow for collection of data
called?
- A.Object identifiers
- B.Management information base
- C.SNMP agent
- D.SNMP community
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
| The management information base, or MIB, is a database of variables in which SNMP allows retrieval of information. The attributes in the MIB are the description, variable type, and read-write status. |
145.
What is the component that an SNMP agent sends information to?
- A.Syslog
- B.Network management station
- C.Object identifier
- D.Management Information Base
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
| The network management station (NMS) is a server to which SNMP is polled back or in which SNMP information is trapped. The NMS can escalate problems via email, text message, or even visual indicators. Examples of NMS systems are Tivoli Netcool and OpenNMS. |
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