1Y0-A21 Online Practice Questions and Answers

Scenario: An administrator needs to configure a NetScaler device so that a set of back-end servers in a LAN can initiate connections to the Internet. ACLs are configured in this environment. What must the administrator configure to meet the needs of this scenario?

A. INAT on the servers in the LAN

B. RNAT for the destination IP addresses

C. NAT on the router to the NetScaler device

D. RNAT for the subnet that includes the LAN IP addresses

E. RNAT on the virtual servers bound to the servers in the LAN

What must an administrator configure when adding a new SNMP manager to a NetScaler configuration using the Configuration Utility?

A. Source port

B. SNMP community string

C. Source Interface Number

D. SNMP manager IP address

E. SNMP Trap Type (Basic or Advanced)

Scenario: An administrator is configuring content switching to switch between static and dynamic requests. The administrator has completed the following:

-Content switching feature is enabled

-Two CS policies have been created to identify static and dynamic requests

Which subsequent action should the administrator take after the above actions have been completed?

A. Create a load balancing virtual server for static requests and a separate load balancing virtual server for dynamic requests.

B. Create a virtual server for all requests but create a service for static requests and a separate service for dynamic requests.

C. Prioritize the content switching policies so that the policy associated with dynamic requests is higher than the policy associated to static requests.

D. Prioritize the content switching policies so that the policy associated with static requests is higher than the policy associated to dynamic requests.

An administrator wants to configure a TCP service so that traffic can reach the associated server when the monitor assigned to the service is failing. Which attribute of the TCP service must the administrator configure to allow traffic to pass to the associated server in this scenario?

A. Sure connect

B. Access down

C. TCP buffering

D. Down state flush

Scenario: A specific logging application hosted on one Web server in a farm requires the client IP address in order to process information correctly in an environment where a NetScaler system is load balancing all the Web servers. This application is the only one that requires the client IP address to function properly.

How must an administrator configure Client IP header insertion appropriately for this scenario?

A. As a global feature

B. As an advanced server option

C. As an advanced service option

D. As an advanced virtual server option

How can an administrator configure a health check for a server receiving HTTP traffic so that it monitors the response code of the server to actual client requests and NOT to probes whenever possible?

A. Configure an HTTP-ECV monitor.

B. Configure an HTTP-Inline monitor.

C. Use the TCP monitor with the transparent parameter selected.

D. Configure an HTTP monitor with the transparent parameter selected.

Scenario: An administrator has configured an SNMP manager to allow an engineer with the IP address

192.168.1.1 to perform SNMP queries on the NetScaler appliance. However, the engineer has been promoted to another position and has delegated SNMP management to another engineer who will manage the box from 192.168.1.5.

Which two steps are required for the administrator to allow the new engineer to manage the box? (Choose two.)

A. Add SNMP Manager 192.168.1.5.

B. Add SNMP Community 192.168.1.5.

C. Remove SNMP manager 192.168.1.1.

D. Remove SNMP Community 192.168.1.1.

Scenario: An administrator has set up a NetScaler in HA mode and now wants to bind the SSL certificate to one of the SSL virtual servers. However, the administrator notices that the command failed on the secondary node while succeeding on the primary node. Both nodes in HA are healthy, with successful configuration synchronization and command propagation.

Which reason explains the command failure on the secondary node?

A. Command syntax is not correct.

B. Command not executed with root ID.

C. SSL command not available on secondary node.

D. SSL certificate is not present on secondary node.

Scenario: An administrator has set up a NetScaler system with two interfaces connected to the DMZ network inside the organization's DMZ. The administrator configured the NSIP and MIP addresses and then created a virtual server on port 80 using HTTP in order to load balance the Web servers in the network environment. While reviewing the console messages, the customer sees several "channel muted" messages, high CPU utilization on the switch and receives complaints about slow response from the servers.

Which two options can the administrator use to fix this issue? (Choose two.)

A. Bind a VLAN to the interfaces with a SNIP.

B. Set up link aggregation on the two interfaces.

C. Remove one interface from the DMZ network.

D. Configure a second mapped IP on the NetScaler.

Scenario: An administrator has set up four Web servers for load balancing. The administrator wants to monitor the response codes from the site to determine whether the site is up. The administrator has bound a custom HTTP monitor to the HTTP services. When the monitor is bound, the services go down so the administrator unbinds the monitor to bring the state of the services to UP. The administrator runs a HTTP header trace and finds that the site is responding with a redirect.

Which two options can the administrator use to get the service state to UP? (Choose two.)

A. Create a new HTTP monitor with a 200 response code and bind it to the service.

B. Create a new HTTP monitor with a longer response timeout and bind it to the service.

C. Modify the custom HTTP monitor with the same redirect response code the site is sending and bind it to the service.

D. Modify the custom HTTP monitor with the HTTP request going to a page that responds with a 200 response code and bind it to the service.