1Y0-A21 Online Practice Questions and Answers

Scenario: A network administrator needs to configure routing on a NetScaler appliance. The NetScaler is in a DMZ whose gateway is 10.54.80.1/24. There are no configured routes on the NetScaler.

Given this topology, which is the appropriate routing configuration for the NetScaler?

A. set default route 10.54.80.1

B. add route 0.0.0.0 0.0.0.0 10.54.80.1

C. set default route 0.0.0.0 0.0.0.0 10.54.80.1

D. add route 0.0.0.0 255.255.255.255 10.54.80.1

Scenario: An administrator must configure a new NetScaler 9.2 deployment at a large organization. The

administrator must use the following information when configuring the NetScaler system:

IP addresses to use when configuring the NetScaler 9.2 deployment:

VIP: 12.15.40.49

MIP: 10.165.40.69

NSIP: 10.165.40.68

DNS Server: 78.35.14.99

Internal Web server IP address: 10.165.40.10

An HTTP virtual server is created and HTTP services are bound to the default settings.

From which IP address will the Web server receive communications from the NetScaler system in this

scenario?

A. 12.15.40.49

B. 78.35.14.99

C. 10.165.40.30

D. 10.165.10.68

E. 10.165.40.69

Which two actions should an administrator take to configure HA monitoring, including HA failover, when configuring NetScaler systems in an HA pair? (Choose two.)

A. Enable all interfaces.

B. Disable all unused interfaces.

C. Enable HA monitoring for all interfaces.

D. Disable HA monitoring for unused interfaces.

Scenario: An administrator has set up the configuration of an HA pair so that each NetScaler appliance has four connected interfaces. In addition, two pairs of interfaces for each appliance are configured in a link aggregation channel.

Which two additional steps should the administrator take to set up HA? (Choose two.)

A. Configure a route monitor on the NetScaler.

B. Disable the interfaces that are not connected.

C. Enable HA monitoring on the physical interfaces only.

D. Enable HA monitoring on the link aggregation channel.

An administrator needs to add a new node to an existing NetScaler system to create an HA pair.

In order to prevent the new node from taking over as primary, the administrator should select the __________ setting on the new node. (Choose the correct option to complete the sentence.)

A. Stay primary

B. Stay secondary

C. Disable HA propagation

D. Disable HA synchronization

A network administrator has been instructed to block access to the company web site by clients originating from the CIDR 222.222.0.0/10.

Which three steps must an administrator take to block access from specified IP addresses and notify the clients when using the NetScaler command line? (Choose three.)

A. bind responder global pol_un 10

B. bind responder global pol_redirect 10

C. add responder action act_redirect redirect "http://www.testing.com/404.html"

D. add responder policy pol_un "CLIENT.IP.SRC.IN_SUBNET(222.222.0.0/10)" act_un

E. add responder policy pol_redirect "CLIENT.IP.SRC.IN_SUBNET (222.222.0.0/10)" act_redirect

F. add responder action act_un respondwith "HTTP/1.1 200 OK\r\n\r\n" + "Client:" + CLIENT.IP.SRC +" is not authorized to access URL:" + HTTP.REQ.URL.HTTP_URL_SAFE"

An administrator has executed the following commands: enable ns feature lb add service s1 1.1.1.1 HTTP 80 add service s2 1.1.1.2 HTTP 80 add lb vserver vs1 HTTP 1.1.1.3 80 However, the administrator notices that the virtual server state is DOWN. Which action must the administrator take to set the virtual server state to UP?

A. Set lb vserver vs1 -state UP.

B. Bind a monitor to the services.

C. Set lb vserver vs1 -accessDown yes.

D. Bind the two services to the lb vserver vs1.

According to best practices, what are the three recommended methods for load balancing cache servers on a NetScaler device? (Choose three.)

A. URL hash

B. Round robin

C. Domain hash

D. Least connections

E. Destination IP hash

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: The NetScaler administrator has set up two NetScalers in HA. When the administrator checks the HA nodes, the secondary unit shows as DOWN. Details were gathered from the secondary unit and are displayed below.

ID. 0

IP Address: 12.12.44.107

Node State. NOT UP Master State. Secondary Fail-Safe Mode. OFF INC State. DISABLED Synchronization State. SUCCESS HA Propagation: ENABLED Enabled Interfaces: 1/5 1/6 1/7 1/8 Disabled Interfaces: 1/1 1/2 1/3 1/4 SSL Card status: UP HA Monitor on Interfaces: 1/6 1/7 1/8 Interfaces on which heartbeats are not seen: 1/5 1/6 Interfaces causing partial failure. 1/6

Hello Interval (msecs): 200 Dead Interval (secs): 3 Node in Secondary state for: 15 Min(s) 0 Sec(s) ID. 1 IP Address: 12.12.44.106 Node State. UP Master State. Primary Fail-Safe Mode. OFF INC State. DISABLED Synchronization State. ENABLED HA Propagation: ENABLED Enabled Interfaces: 1/5 1/6 1/7 1/8 Disabled Interfaces: 1/1 1/2 1/3 1/4 SSL Card status: UP HA Monitor on Interfaces: 1/7 1/8 Interfaces on which heartbeats are not seen: 1/5 1/6 Given this information, what could be causing Node 0 to show as NOT UP?

A. Fail-Safe mode is off.

B. The node IDs are not the same.

C. Interface 1/6 is not receiving HA heartbeat packets.

D. Interface 1/5 is not receiving HA heartbeat packets.

E. The secondary unit always shows as down until there is a failover.