Dcict - 640-916-1.16

Front 1

What are the 2 default VRF's on a Nexus switch?

Back 1

-management - MGMT interface is in this VRF.
-default.

Front 2

TRUE/FALSE - each VRF may have its own routing table, FIB and routing protocols?

Back 2

TRUE.

Front 3

What Console port settings are required on the SUP module?

Back 3

Baud Rate 9600.
Data Bits - 8.
Parity - None.
Stop Bits - 1.
Flow Control - None.

Front 4

Which SUP modules have a CMP port?

Back 4

SUP1 only.

Front 5

Describe 4 features of the CMP port.

Back 5

-Dedicated OS and resources - allows reboot of switch without losing connectivity.
-provides OOB management.
-Has its own status LED's.
-Has its own local accounts for authentication.

Front 6

How do you establish initial connectivity to the CMP and how would you verify that you are connected (3 bullets)?

Back 6

-use the "attach cmp" command from Priv mode.
-login using global accounts from default VDC (they are sync'd).
-When logged in the prompt will include a "-cmp" e.g. Nexus7K-cmp#.

Front 7

Which protocols can be used to establish a remote terminal session to the Nexus (2 bullets)?

Back 7

-SSH v4 and v6 - enabled by default.
-Telnet - disabled by default.

Front 8

How would you enable SSH/Telnet connectivity?

Back 8

-ssh server enable.
-telnet server enable.

Front 9

How would you enter the initial Setup script on the Nexus (2 bullets)?

Back 9

-By logging into a switch with a default config.
-Using the "setup" command.

Front 10

What function does the ISSU provide and when was it made available (2 bullets)?

Back 10

-It enables BIOS/Image upgrades with no disruption.
-It has been available since NX-OS 4.2.1.

Front 11

Which images can be updated using ISSU (5 bullets)?

Back 11

-Kickstart image.
-SUP BIOS.
-System image.
-FEX images.
-I/O module (line card) BIOS/image.

Front 12

How were non-disruptive SW upgrades originally performed with N7K switches?

Back 12

By promoting redundant SUP modules.

Front 13

How is a non-disruptive SW upgrade achieved on a N5K (single SUP)?

Back 13

The Data Plane continues to forward traffic while the Control Plane momentarily loses connectivity.

Front 14

What are the limitations of ISSU on the N5K?

Back 14

When operating in L3 mode, ISSU can still be performed but there will be a momentary loss of Data Plane comms.

Front 15

What steps must be performed when updating the NX-OS image (6 bullets)?

Back 15

-Download SW from Cisco.com.
-TFTP SW to bootflash.
-Check feature compatibility with the "show imcompatibility" command.
-Check for potential issues using the "show install all impact" command.
-Begin the installation using the "install all" command.
-Verify the completed installation using the "show install all status" command.

Front 16

What will the "where" command allow you to determine (3 bullets)?

Back 16

-What mode you are in.
-What VDC you are in.
-What user account you are using.

Front 17

What command will display all QoS settings (including defaults) on the device?

Back 17

-"show run ipqos all" - this will work for other features e.g. "show run interface all".

Front 18

What command would you use to view all line cards installed in the chassis?

Back 18

"show module".

Front 19

What command would you use to view all Logging config?

Back 19

"show logging".