NTP

Question 1

NTP servers with a [lower/higher] stratum are preferred.

Answer 1

lower

Question 2

Display the status of NTP on the device:
R1# […]

Answer 2

show ntp status

Question 3

Specify the NTP authentication key to use with the NTP server:
R1(config)# […]

Answer 3

ntp server ip-address key key-number

Question 4

Specify an NTP trusted key:
R1(config)# […]

Answer 4

ntp trusted-key key-number

Question 5

Create an NTP authentication key:
R1(config)# […]

Answer 5

ntp authentication-key key-number md5 key

Question 6

Enable NTP authentication:
R1(config)# […]

Answer 6

ntp authenticate

Question 7

Configure NTP symmetric active mode:
R1(config)# […]

Answer 7

ntp peer ip-address

Question 8

The default stratum of the ntp master command is […].

Answer 8

8

Question 9

Configure the device to be an NTP server:
R1(config)# […]

Answer 9

ntp master [stratum]

Question 10

Configure the source interface of NTP messages:
R1(config)# […]

Answer 10

ntp source interface

Question 11

NTP uses only the […] time zone.

Answer 11

UTC

Question 12

Configure the router to update the hardware clock using NTP:
R1(config)# […]

Answer 12

ntp update-calendar

Question 13

Show a list of configured NTP servers:
R1# […]

Answer 13

show ntp associations

Question 14

Configure the NTP server to sync to:
R1(config)# […]

Answer 14

ntp server ip-address [prefer]

Question 15

When an NTP server peers with another server at the same stratum level, this is called […] mode.

Answer 15

symmetric active

Question 16

Anything above NTP stratum […] is considered unreliable and the device will not sync its time.

Answer 16

15

Question 17

NTP servers which get their time from other NTP servers are called […].

Answer 17

secondary servers

Question 18

NTP servers which get their time directly from reference clocks are also called […].

Answer 18

primary servers

Question 19

NTP servers directly connected to reference clocks are stratum […]

Answer 19

1

Question 20

Reference clocks are NTP stratum […]

Answer 20

0

Question 21

NTP = UDP port […]

Answer 21

123

Question 22

NTP = […] port 123

Answer 22

UDP

Question 23

[…] = UDP port 123

Answer 23

NTP

Question 24

The distance of an NTP server from the original reference clock is called […].

Answer 24

stratum

Question 25

A device [can/can't] be an NTP server and client at the same time.

Answer 25

can

Question 26

Configure recurring daylight saving time: R1(config)# [...]

Answer 26

clock summer-time name recurring start end [offset] (start and end require the week (first, last, or number), weekday, month, and time)

Question 27

Configure the timezone: R1(config)# [...]

Answer 27

clock timezone name hours-offset [minutes-offset]

Question 28

Make the hardware clock update to match the software clock's time: R1# [...]

Answer 28

clock update-calendar

Question 29

Make the software clock update to match the hardware clock's time: R1# [...]

Answer 29

clock read-calendar

Question 30

Configure the hardware clock: R1# [...]

Answer 30

calendar set hh:mm:ss day month year (day and month can be reversed in order)

Question 31

Configure the software clock: R1# [...]

Answer 31

clock set hh:mm:ss day month year (day and month can be reversed in order)

Question 32

Displays the logs of the device: R1# [...]

Answer 32

show logging

Question 33

What is the default time source for the software clock of a Cisco device?

Answer 33

hardware calendar

Question 34

What is the default time zone on Cisco devices?

Answer 34

UTC (Coordinated Universal Time)

Question 35

What is the meaning of an asterisk (*) next to the time in the output of show clock?

Answer 35

The time is not authoritative

Question 36

Display the hardware clock: R1# [...]

Answer 36

show calendar

Question 37

Display the software clock, including the time source: R1# [...]

Answer 37

show clock detail

Question 38

Display the software clock: R1# [...]

Answer 38

show clock