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CCNA 200-301 > Network Device Management > Flashcards

Network Device Management Flashcards

1
Q

A message is generated when something happens on the device, such as an interface going down or an OSPF neighbor adjacency coming up

A

Syslog

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2
Q

What is the Syslog format?

A
  • Sequence Number
  • Time Stamp
  • Facility
  • Severity Level
  • Mnemonic
  • Description
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3
Q

What is Syslog Severely Level 0?

A

Emergency

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4
Q

What is Syslog Severely Level 1?

A

Alert

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5
Q

What is Syslog Severely Level 2?

A

Critical

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6
Q

What is Syslog Severely Level 3?

A

Error

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7
Q

What is Syslog Severely Level 4?

A

Warning

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8
Q

What is Syslog Severely Level 5?

A

Notice

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9
Q

What is Syslog Severely Level 6?

A

Informational

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10
Q

What is Syslog Severely Level 7?

A

Debug

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11
Q

Description of Syslog Severity:

System is unusable. A panic condition

A

Emergency

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12
Q

Description of Syslog Severity:

A condition that should be corrected immediately, such as a corrupted system database.

A

Alert

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13
Q

Description of Syslog Severity:

Critical conditions, such as hard device errors

A

Critical

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14
Q

Description of Syslog Severity:

Error Conditions

A

Error

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15
Q

Description of Syslog Severity:

Warning Conditions

A

Warning

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16
Q

Description of Syslog Severity:

Normal but significant conditions. Not errors, but may require special handling

A

Notice

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17
Q

Description of Syslog Severity:

Informational messages

A

Informational

18
Q

Description of Syslog Severity:

Messages that contain information normally of use only when debugging a program

A

Debug

19
Q

What locations can Syslog be logged to?

A

Console, VTY, Logging Buffer (RAM) and External Logging Servers

20
Q

What command would you use while in an SSH session to view debug output to the CLI?

A

terminal monitor

21
Q

What will appear in the syslog format if a sequence number isn’t provided?

A

*

22
Q

What does facility mean in relation to a syslog event?

A

It’s the thing that generated the event

23
Q

What does Mnemonic mean in relation to a syslog event?

A

Short description of what happened

24
Q

What command would you use to log events to VTY lines?

A

logging monitor

25
Q

What command would you use to disable console logging?

A

no logging console

25
Q

What command would you use to enable or change events being logged to the buffer (RAM)?

A

logging buffer

26
Q

Data variables (such as the state of an interface or the state of OSPF, etc.) on SNMP managed systems are organized in a what?

A

MIB (Management Information Base)

27
Q

What are the three different versions of SNMP?

A

SNMPv1
SNMPv2c
SNMPv3

28
Q

This version of SNMP uses plain text authentication between the Manager (server) and agent using matching community strings which act like a password

A

SNMPv1

29
Q

This version of SNMP also uses plain text Community strings. It also supports bulk retrieval.

A

SNMPv2c

30
Q

This version of SNMP supports strong authentication and encryption. It is the preferred version but it’s not support on all devices

A

SNMPv3

31
Q

_____________________ need to be set on both sides for the Manager and Agent to communicate

A

Matching community strings

32
Q

The ______________ is used by the Manager (server) to read information

A

Read only community (ro)

33
Q

The _____________ is used by the Manager (server) to set information

A

Read write community (rw)

34
Q

Give an example of an SNMPv2c configuration

A
  • R1(config)#snmp-server contact {email-addresss}
  • R1(config)#snmp-server location {location}
    • This is optional. identifies the agent to the manager (server)
  • R1(config)#snmp-server community {password} ro
  • R1(config)#snmp-server community {password} rw
  • R1(config)#snmp-server host {ip-address} {ro-community-string}
  • R1(config)#snmp-server enable traps config
    • When a configuration change is made a trap will be sent to the NMS system at 10.0.0.100 using the ro community string
35
Q

Most devices use a default ro community string of _______ and a default rw community string of __________

A

public and private

36
Q

3 different security levels are available with SNMPv3 - What are they?

A

NoAuthNoPriv
AuthNoPriv
AuthPriv

37
Q

What security level is this in regards to SNMPv3?

No authentication password is exchanged and the communications between the agent the server are not encrypted. The username servers as replacement for community string. Really makes no sense to use this because it has no advantage over old SNMP versions

A

NoAuthNoPriv

38
Q

What security level is this in regards to SNMPv3?

Password authentication is used. No encryption is used for communications between the devices

A

AuthNoPriv

39
Q

What security level is this in regards to SNMPv3?

Password authentication is used. Communications between the agent and the server are also encrypted

A

AuthPriv

40
Q

Give an example of a generic SNMPv3 configuration

A

Group Configuration
- R1(config)#snmp-server group {group-name} v3 priv
- This group only has full read only access to the device since it’s a default config with no views configured

User Configuration
- R1(config)#snmp-server user {username} {group-name} v3 auth sha {auth-password} priv aes 128 {priv-key}
- You can also used md5 if you choose to
- After you run this you’d go on to your NMS server and configure matching settings there

CCNA 200-301 (25 decks)

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