Tibco TCP-EMS8 問題集

質問 1：
Which activity is appropriate for implementation as a synchronous request-reply operation?
Options are :
A. processing a request that requires human action
B. retrieving data from a back end system
C. keeping a cache of customer information continuously updated
D. performing a long-running update to a back end system
正解：D

質問 2：
Which two transaction policies are supported by TIBCO ActiveMatrix Service Bus? (Choose two.) Options are :
A. XA transaction
B. transacted one-way
C. single resource transaction
D. managed transaction
E. JDBC transaction
正解：C,E

質問 3：
What are two properties of a push-based cached composite service? (Choose two.) Options are :
A. Responses are provided from information private to the service.
B. Underlying services are not impacted when the composite responds to requests.
C. Responses require the invocation of all underlying services.
D. Underlying services are not required.
正解：C,D

質問 4：
What is the command to modify an existing route?
Options are :
A. setroute route.conf incoming_topic=topicName selector="msg-selectorp"
B. setroute <route name> incoming_topic=topicName selector="msg-selector"
C. setprop route <route name> outgoing_topic=topicName selector="msg-selector"
D. setprop route.conf <route name> outgoing_topic=topicName selector="msg-selector
正解：D

質問 5：
Which two statements are true about synchronous and asynchronous message consumption? (Choose two.) Options are :
A. For synchronous consumption, the message consumer explicitly invokes a receive call on the topic or queue.
B. When asynchronously receiving messages, the consumer remains blocked until a message arrives.
C. The consumer can receive messages synchronously by registering a synchronous message listener to receive the messages.
D. For asynchronous consumption, a message listener can be implemented that serves as an asynchronous event handler for messages.
正解：C,D

質問 6：
TIBCO Enterprise Message Service Certification Exam Set 1
Which two datastores are supported by EMS servers? (Choose two.)
Options are :
data grid
dbstore
A,D
dbstore
mstore
Answer : A,D
Which two statements are true about EMS tracing and logging capabilities? (Choose two.) Options are :
The location of log file is set in tibemsd.conf file via the log_trace parameter.
B,D
Message tracing applies only to headers.
Message tracing can be applied at destination and message levels.
Access control violations can be logged to console or log file.
Answer : B,D
Which statement is true about configuration file usage for an EMS fault tolerant configuration?
Options are :
Primary and Secondary EMS servers must share all configuration files excluding the stores.conf file.
Primary and Secondary EMS servers must share all configuration files.
Primary and Secondary EMS servers should share the tibemsd.conf file.
C
Primary and Secondary EMS servers can share all configuration files excluding the tibemsd.conf file.
Answer : C
Which command displays message count delivered to a queue receiver?
Options are :
Show consumers
Show connections
Show users
Show receivers
Answer : Show consumers
What are three valid acknowledgment modes in TIBCO Enterprise Message Service?
(Choose three.)
Options are :
DUPS_OK_ACKNOWLEDGE
IMPLICIT_CLIENT_DUPS_OK_ACKNOWLEDGE
EXPLICIT_CLIENT_ACKNOWLEDGE
NO_ACKNOWLEDGE
A,B,E
IMPLICIT_CLIENT_ACKNOWLDEGE
Answer : A,B,E
Which Administration Tool command creates the queue without reporting any errors?
Options are :
Create queue test.queue store=$sys.failsafe, secure,local
Create queue test.queue store=$sys.failsafe,trace=header
Create queue test.queue secure,global,store=Ssys.failsafe
Create queue test.queue secure,store=$sys.failsafe,channel=multicast-l
Answer : Create queue test.queue secure,global,store=Ssys.failsafe
Which parameter must be configured for primary and secondary EMS to operate in fault- tolerant mode?
Options are :
ft_passive parameter in the tibemsd.conf file
store parameter in the store, conf file
server parameter in the tibemsd.conf file
ft_factory in the factories.conf file
Answer : server parameter in the tibemsd.conf file
Which section is required in a JMS message?
Options are :
Header
Footer
Properties
Body
Answer : Header
The customer has identified an interface called "New Customer". When a new customer has been created in the Customer Care Application, the customer data must be distributed to other applications such as billing, payments, etc.
What is the most efficient mechanism to implement the message delivery?
Options are :
Publish/subscribe using queues
Point-to-point using queues
Publish/subscribe using topics
Point-to-point using topics
Answer : Point-to-point using queues
A topic, conf.file contains the following entry: mycompany. *. hr. > secure Which two topics will inherit the secure property? (Choose two.) Options are :
mycompany.south.hr.vacation.approval
mycompany.south.eng.hr.vacation
A,F
mycompany.south.hr
mycompany.hr.vacation
mycompany.south.region.hr.vacation
mycompany_office.hr.vacation
mycompany.south.hr.vacation
Answer : A,F
Which two statements are true about topics and queues? (Choose two.)
Options are :
A sender can send to a wildcard queue.
A consumer can listen for wildcard queue names.
C,E
A queue can only have one exclusive connected consumer at a time.
A publisher can publish to a wildcard topic.
A consumer can listen for wildcard topic names.
A queue can only have one consumer per message.
Answer : C,E
What are the three options for the user_auth parameter in EMS? (Choose three.) Options are :
A,C,D
local
Idap
ssl
jaas
x.509
Answer : A,C,D
A bridge has been configured from topic T1 to topic T2.
Which two statements are true if a message producer sends messages to T1 within a transaction? (Choose two.) Options are :
The transaction can succeed if the producer only has permission to send to topic T1.
The transaction will fail if the producer does not have permission to send to topic T2.
A,B
The bridge needs to be configured to support transactions.
All messages sent across the bridge are part of the transaction.
Answer : A,B
Which two statements are true about configuring security for a fault-tolerant pair that does not share state? (Choose two.) Options are :
When SSL is deployed, both servers must use the same certificate(s).
B,D
acl.conf settings can differ between servers.
When SSL is deployed, severs can use different certificate(s), but must use the same root certificate authority.
All access control settings should be the same on both servers.
Answer : B,D
Which two statements are true about the listen parameter? (Choose two.) Options are :
Multiple listen parameters can be set in the TIBCO EMS configuration file.
A,B
The listen parameter is set in the tibemsd.conf file.
TCP is the only protocol supported in the listen parameter.
The listen parameter is set in the transports, conf file.
Answer : A,B
Which statement is true about acknowledgment modes?
Options are :
They determine the way the EMS server sends confirmations to message producers.
They determine the way message consumers send confirmations to message producers They determine the way message consumers send confirmations to the EMS server.
They determine the way the EMS server sends confirmations to message consumers.
Answer : They determine the way message consumers send confirmations to the EMS server.
What are three valid delivery modes in EMS? (Choose three.)
Options are :
NON PERSISTENT
PERSISTENT
TRANSACTIONAL
GUARANTEED
RELIABLE_DELIVERY
A,C,E
Answer : A,C,E
What are two characteristics of multicasting? (Choose two.)
Options are :
The EMS server uses TCP to transmit messages to receivers,
The EMS server uses PGM to transmit messages to receivers.
B,C
It reduces network traffic generated between EMS server and EMS client machines.
The producer can choose to use PGM or TCP to send messages to the EMS server, Multicasting is used in messaging scenarios where high bandwidth delivery of real-time data is a requirement, Answer : B,C Which Context.PROVDER_URL is used to look up EMS administered objects stored in the EMS server running on host EMSHOST on port 7222?
Options are :
tibjmsnaming://EMSHOST:7222
emsnaming://EMSHOST:7222
jndi://EMSHOST:7222
ems://EMSHOST:7222
http://EMSHOST:7222
tcp: ://EMSHOST: 7222
Answer : jndi://EMSHOST:7222
User Bob is in the ENG group with the following permissions:
Larger image
Which statement is true for user Bob and the topic quote.tibx.us.new?
Options are :
The EMS server starts and Bob can publish and subscribe to quote.tibx.us.new.
The wildcard topics collide, so the EMS server fails to start.
The EMS server starts and Bob overrides all the ENG group permission, so Bob cannot subscribe to quote.tibx.us.new.
The EMS server starts and Bob inherits all permissions from the ENG group, so Bob cannot publish to quote.tibx.us.new.
Answer : The EMS server starts and Bob can publish and subscribe to quote.tibx.us.new.
What must you do to set an EMS Java client application to attempt reconnection 10 times with 1000 ms delay between attempts to the EMS server during fault tolerance switch or when a connection is being terminated by the network? (Choose two.) Larger image Options are :
Option A
Option B
Option D
Option C
A,D
Answer : A,D
A dynamic queue named q1 has been created by an EMS client.
What will be the result of executing the following command: create queue q1?
Options are :
The command will fail saying the queue already exists.
The command will succeed and dynamic queue will be renamed.
The command will succeed and queue will be promoted to static.
The command will fail if queue has connected receivers.
Answer : The command will succeed and queue will be promoted to static.
Which statement is true about message compression with EMS?
Options are :
Body is the only message part that is compressed
Properties are compressed, but headers are not.
Properties and headers are also compressed.
Headers are compressed, but properties are not.
Answer : Body is the only message part that is compressed
What are two valid delivery modes in EMS? (Choose two.)
Options are :
B,E
GUARANTEED
DURABLE
PERSISTENT
RELIABLE_DELIVERY
EXPLICIT
Answer : B,E
Producer A has published a message with expiration time as 30 seconds to a queue with the property JMS_TIBCO_PRESERVE_UNDELIVERED set to true.
What happens when the message expires?
Options are :
The message is moved to Ssys.expired queue.
The message is deleted from the undelivered queue.
The message is moved to Ssys.undelivered queue.
The message is completely deleted from the server.
Answer : The message is moved to Ssys.undelivered queue.
If authorization is enabled in the tibemsd.conf file and the secure property is set for a destination, when are permissions checked? (Choose two.) Options are :
A,B
When creating non-durable subscription for wildcard topics
When performing a JNDI lookup of a destination
When a producer sends a message to the destination
When attempting to become a consumer for a queue
Answer : A,B
Which parameter is used to preallocate disk space for the store file?
Options are :
file_minimum
store_min_size
store_minimum
file_min_size
file_truncate
Answer : file_minimum
What are three limitations in the use of wildcards by EMS clients? (Choose three.) Options are :
Clients cannot subscribe to wildcard topics,
Clients cannot send to wildcard queues.
Clients cannot use wildcards for dynamic topics.
B,C,E
Clients cannot receive from wildcard queues.
Clients cannot publish to wildcard topics.
Answer : B,C,E
Which event causes EMS to return a delivered but unacknowledged queue message to be available to another receiver?
Options are :
The client application terminates the connection.
Ssys.redelivery.delay queue is purged.
redeliverydelay property is set to zero.
Ssys.undelivered queue is disabled.
Answer : The client application terminates the connection.
Click the Exhibit button.
An EMS server is configured with a bridge from the topic ORDER.NEW to the queue SALES.ORDERS,Q1. You enable flow control at the server and destination levels (order, new and SALES, ORDERS, Q1) .The source destination order, new blocks publishers.
Which two statements are true about flow control? (Choose two.)
Options are :
A. It blocks the sender but does not send back an error.
B. It discards the latest messages (FILO).
C. It does not discard the messages.
D. It discards the earliest messages (FIFO).
正解：B,C