Hadoop Multiple Choice Questions on “Knox with Hadoop”.
1. A fully secure Hadoop cluster needs ___________
a) SSH
b) SSL
c) Kerberos
d) REST
Answer: c
Clarification: Kerberos requires a client side library and complex client side configuration.
2. 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
Answer: d
Clarification: Knox can be deployed as a cluster of Knox instances that route requests to Hadoop’s REST APIs.
3. A __________ can route requests to multiple Knox instances.
a) collector
b) load balancer
c) comparator
d) all of the mentioned
Answer: b
Clarification: Knox is a stateless reverse proxy framework.
4. Knox provides perimeter _________ for Hadoop clusters.
a) reliability
b) security
c) flexibility
d) fault tolerant
Answer: b
Clarification: Kerberos requires a client side library and complex client side configuration.
5. 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
Answer: d
Clarification: Knox aggregates REST/HTTP calls to various components within the Hadoop ecosystem.
6. Knox integrates with prevalent identity management and _______ systems.
a) SSL
b) SSO
c) SSH
d) Kerberos
Answer: b
Clarification: Knox allows identities from those enterprise systems to be used for seamless, secure access to Hadoop clusters.
7. The easiest way to have an HDP cluster is to download the _____________
a) Hadoop
b) Sandbox
c) Dashboard
d) None of the mentioned
Answer: b
Clarification: The Apache Knox Gateway is a system that provides a single point of authentication and access for Apache™ Hadoop® services.
8. Apache Knox Eliminates _______ edge node risks.
a) SSL
b) SSO
c) SSH
d) All of the mentioned
Answer: c
Clarification: Knox hides Network Topology.
9. Apache Knox accesses Hadoop Cluster over _________
a) HTTP
b) TCP
c) ICMP
d) None of the mentioned
Answer: a
Clarification: Knox supports LDAP/AD Authentication, Service Authorization and Audit.
10. Apache Knox provides __________ REST API Access Point.
a) Single
b) Double
c) Multiple
d) Zero
Answer: a
Clarification: The Apache Knox Gateway is a system that provides a single point of authentication and access for Apache.