Network Device Management

Question 1

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

Answer 1

Syslog

Question 2

What is the Syslog format?

Answer 2

• Sequence Number
• Time Stamp
• Facility
• Severity Level
• Mnemonic
• Description

Question 3

What is Syslog Severely Level 0?

Answer 3

Emergency

Question 4

What is Syslog Severely Level 1?

Answer 4

Alert

Question 5

What is Syslog Severely Level 2?

Answer 5

Critical

Question 6

What is Syslog Severely Level 3?

Answer 6

Error

Question 7

What is Syslog Severely Level 4?

Answer 7

Warning

Question 8

What is Syslog Severely Level 5?

Answer 8

Notice

Question 9

What is Syslog Severely Level 6?

Answer 9

Informational

Question 10

What is Syslog Severely Level 7?

Answer 10

Debug

Question 11

Description of Syslog Severity:

System is unusable. A panic condition

Answer 11

Emergency

Question 12

Description of Syslog Severity:

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

Answer 12

Alert

Question 13

Description of Syslog Severity:

Critical conditions, such as hard device errors

Answer 13

Critical

Question 14

Description of Syslog Severity:

Error Conditions

Answer 14

Error

Question 15

Description of Syslog Severity:

Warning Conditions

Answer 15

Warning

Question 16

Description of Syslog Severity:

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

Answer 16

Notice

Question 17

Description of Syslog Severity:

Informational messages

Answer 17

Informational

Question 18

Description of Syslog Severity:

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

Answer 18

Debug

Question 19

What locations can Syslog be logged to?

Answer 19

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

Question 20

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

Answer 20

terminal monitor

Question 21

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

Answer 21

*

Question 22

What does facility mean in relation to a syslog event?

Answer 22

It’s the thing that generated the event

Question 23

What does Mnemonic mean in relation to a syslog event?

Answer 23

Short description of what happened

Question 24

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

Answer 24

logging monitor

Question 25

What command would you use to disable console logging?

Answer 25

no logging console

Question 25

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

Answer 25

logging buffer

Question 26

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

Answer 26

MIB (Management Information Base)

Question 27

What are the three different versions of SNMP?

Answer 27

SNMPv1 SNMPv2c SNMPv3

Question 28

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

Answer 28

SNMPv1

Question 29

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

Answer 29

SNMPv2c

Question 30

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

Answer 30

SNMPv3

Question 31

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

Answer 31

Matching community strings

Question 32

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

Answer 32

Read only community (ro)

Question 33

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

Answer 33

Read write community (rw)

Question 34

Give an example of an SNMPv2c configuration

Answer 34

- 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

Question 35

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

Answer 35

public and private

Question 36

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

Answer 36

NoAuthNoPriv AuthNoPriv AuthPriv

Question 37

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

Answer 37

NoAuthNoPriv

Question 38

What security level is this in regards to SNMPv3? Password authentication is used. No encryption is used for communications between the devices

Answer 38

AuthNoPriv

Question 39

What security level is this in regards to SNMPv3? Password authentication is used. Communications between the agent and the server are also encrypted

Answer 39

AuthPriv

Question 40

Give an example of a generic SNMPv3 configuration

Answer 40

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