Engineering Questions with Answers - Multiple Choice Questions
MCQs on Knox with Hadoop
1 - Question
A fully secure Hadoop cluster needs ___________
a) SSH
b) SSL
c) Kerberos
d) REST
View Answer
Answer: c
Explanation: Kerberos requires a client side library and complex client side configuration.
2 - Question
Point out the correct statement.
a) Knox is a stateless reverse proxy framework
b) Knox also intercepts REST/HTTP calls and provides authentication
c) Knox scales linearly by adding more Knox nodes as the load increases
d) All of the mentioned
View Answer
Answer: d
Explanation: Knox can be deployed as a cluster of Knox instances that route requests to Hadoop’s REST APIs.
3 - Question
A __________ can route requests to multiple Knox instances.
a) collector
b) load balancer
c) comparator
d) all of the mentioned
View Answer
Answer: b
Explanation: Knox is a stateless reverse proxy framework.
4 - Question
Knox provides perimeter _________ for Hadoop clusters.
a) reliability
b) security
c) flexibility
d) fault tolerant
View Answer
Answer: b
Explanation: Kerberos requires a client side library and complex client side configuration.
5 - Question
Point out the wrong statement.
a) Knox eliminates the need for client software or client configuration and thus simplifies the access model
b) Simplified access entend Hadoop’s REST/HTTP services by encapsulating Kerberos within the cluster
c) Knox intercepts web vulnerability removal and other security services through a series of extensible interceptor pipelines
d) None of the mentioned
View Answer
Answer: d
Explanation: Knox aggregates REST/HTTP calls to various components within the Hadoop ecosystem.
6 - Question
Knox integrates with prevalent identity management and _______ systems.
a) SSL
b) SSO
c) SSH
d) Kerberos
View Answer
Answer: b
Explanation: Knox allows identities from those enterprise systems to be used for seamless, secure access to Hadoop clusters.
7 - Question
The easiest way to have an HDP cluster is to download the _____________
a) Hadoop
b) Sandbox
c) Dashboard
d) None of the mentioned
View Answer
Answer: b
Explanation: The Apache Knox Gateway is a system that provides a single point of authentication and access for Apache™ Hadoop® services.
8 - Question
Apache Knox Eliminates _______ edge node risks.
a) SSL
b) SSO
c) SSH
d) All of the mentioned
View Answer
Answer: c
Explanation: Knox hides Network Topology.
9 - Question
Apache Knox accesses Hadoop Cluster over _________
a) HTTP
b) TCP
c) ICMP
d) None of the mentioned
View Answer
Answer: a
Explanation: Knox supports LDAP/AD Authentication, Service Authorization and Audit.
10 - Question
Apache Knox provides __________ REST API Access Point.
a) Single
b) Double
c) Multiple
d) Zero
View Answer
Answer: a
Explanation: The Apache Knox Gateway is a system that provides a single point of authentication and access for Apache.