DES-5221 Online Practice Questions and Answers

Which best describes traffic flow in a campus network environment?

A. North-East

B. South-West

C. East-West

D. North-South

Refer to the exhibit.

What is the VRRP state of OS10-A after a router with a default VRRP admin priority with VRID100 comes online?

A. master-state

B. standby-state

C. backup-state

D. primary-state

Using the MAC 8c-ec-4b-5b-61-9d, what is a valid EUI-64 link local address?

A. 2001::a9:8eec:4bff:fc5b:619d

B. fe80::a9:8cec:4bff:fe5b:619d

C. ff80:a9:8eec:4bff:fe5b:619d

D. fe80::a9:8eec:4bff:fe5b:619d

There is a spanning tree mismatch at the global level. PVST+ is configured on a VLT peer. All VLT port channels go down on both VLT peers. A syslog error message is generated. What is the correct action to resolve the issue?

A. Verify the VLT LAG ID is configured correctly on both VLT peers.

B. Enable RSTP on both VLT peers.

C. Use the show VLT detail and show VLT brief commands to view the VLT port channel status information.

D. Perform a mismatch check after the VLT peer is established.

What is the size of the VLAN tag in an Ethernet frame?

A. 4 bytes

B. 8 bytes

C. 1 byte

D. 2 bytes

What is the default lease time in hours for an address lease in DHCP?

A. 36

B. 12

C. 48

D. 24

When creating an alias in OS10 what is the maximum number of variable input parameters that can be defined?

A. 6

B. 9

C. 3

D. 12

A customer has disabled LLDP on the management interface of the switch. What is the proper command to re-enable it?

A. OS10(config)# lldp enable OS10(config)#lldp transmit OS10(config)#lldp receive

B. OS10(config)# interface mgmt 1/1/1 OS10(conf-if-ma-1/1/1)#lldp med enable OS10(conf-if-ma-1/1/1)#lldp timer 10

C. OS10(config)# interface mgmt 1/1/1 OS10(conf-if-ma-1/1/1)#lldp transmit OS10(conf-if-ma-1/1/1)#lldp receive

D. OS10(config)# interface mgmt 1/1/1 OS10(conf-if-ma-1/1/1)#lldp tly-select OS10(conf-if-ma-1/1/1)#lldp dot1tlv

Which field in an IP header is used for QoS marking?

A. ToS

B. SA

C. CoS

D. DA

In the OS10 CLI what does Ctrl+A do?

A. Deletes all the text before the cursor.

B. Moves the cursor to the start of the command line.

C. Moves the cursor to the end of the command line.

D. Deletes the word before the cursor.