CCA121 CCA HDP Administrator Exam Study Guide
and Practice Review
CCA121 CCA HDP Administrator Exam – Complete 200+ Question Practice
Bank 200+ Verified Questions & Answers with Detailed Rationales
About This Resource
This comprehensive practice bank contains 200+ questions covering all domains of
the CCA121 CCA HDP Administrator Exam. Each question includes a verified
answer and detailed rationale based on official Cloudera/Hortonworks
documentation and exam objectives .
EXAM OVERVIEW
| Feature | Details |
|||
| Exam Code | CCA121 |
1
,| Time Limit | 120 minutes |
| Question Format | 8–10 performance-based tasks |
| Passing Score | 70% |
| Environment | HDP 3.1, Ambari 2.7.3 |
| Delivery | Remote-proctored |
SECTION 1: INSTALLATION & DEPLOYMENT
Q1. What is the first step to set up a new HDP cluster?
A) Install all HDP services simultaneously on all nodes
B) Configure the Ambari Server using `ambari-server setup`
C) Create HDFS directories for each user
D) Configure YARN queues
☑ ANSWER: B
2
,RATIONALE: The first step after setting up the repository is to run `ambari-server
setup`, which configures the Ambari database and other prerequisites. Only after
this is completed do you start Ambari and use the install wizard to deploy services .
Q2. Which command starts the Ambari Server after installation?
A) `ambari-server start`
B) `service ambari-server start`
C) `systemctl start ambari-server`
D) Both B and C
☑ ANSWER: D
RATIONALE: Depending on the Linux distribution, either `service ambari-server
start` (SysV) or `systemctl start ambari-server` (systemd) can be used. Both are
acceptable for starting the Ambari Server .
Q3. What is the default port for Ambari Server web interface?
3
, A) 8080
B) 8088
C) 8443
D) 8086
☑ ANSWER: A
RATIONALE: Ambari Server uses port 8080 for its web interface by default. This
can be changed during installation or configuration .
Q4. Which command is used to stop the Ambari Server?
A) `ambari-server stop`
B) `service ambari-server stop`
C) `systemctl stop ambari-server`
D) All of the above
☑ ANSWER: D
4
and Practice Review
CCA121 CCA HDP Administrator Exam – Complete 200+ Question Practice
Bank 200+ Verified Questions & Answers with Detailed Rationales
About This Resource
This comprehensive practice bank contains 200+ questions covering all domains of
the CCA121 CCA HDP Administrator Exam. Each question includes a verified
answer and detailed rationale based on official Cloudera/Hortonworks
documentation and exam objectives .
EXAM OVERVIEW
| Feature | Details |
|||
| Exam Code | CCA121 |
1
,| Time Limit | 120 minutes |
| Question Format | 8–10 performance-based tasks |
| Passing Score | 70% |
| Environment | HDP 3.1, Ambari 2.7.3 |
| Delivery | Remote-proctored |
SECTION 1: INSTALLATION & DEPLOYMENT
Q1. What is the first step to set up a new HDP cluster?
A) Install all HDP services simultaneously on all nodes
B) Configure the Ambari Server using `ambari-server setup`
C) Create HDFS directories for each user
D) Configure YARN queues
☑ ANSWER: B
2
,RATIONALE: The first step after setting up the repository is to run `ambari-server
setup`, which configures the Ambari database and other prerequisites. Only after
this is completed do you start Ambari and use the install wizard to deploy services .
Q2. Which command starts the Ambari Server after installation?
A) `ambari-server start`
B) `service ambari-server start`
C) `systemctl start ambari-server`
D) Both B and C
☑ ANSWER: D
RATIONALE: Depending on the Linux distribution, either `service ambari-server
start` (SysV) or `systemctl start ambari-server` (systemd) can be used. Both are
acceptable for starting the Ambari Server .
Q3. What is the default port for Ambari Server web interface?
3
, A) 8080
B) 8088
C) 8443
D) 8086
☑ ANSWER: A
RATIONALE: Ambari Server uses port 8080 for its web interface by default. This
can be changed during installation or configuration .
Q4. Which command is used to stop the Ambari Server?
A) `ambari-server stop`
B) `service ambari-server stop`
C) `systemctl stop ambari-server`
D) All of the above
☑ ANSWER: D
4
