Top 100+ Ldap Interview Questions And Answers
Question 1. What Is Ldap?
Answer :
LDAP stands for 'Lightweight Access Protocol'. It’s a database which can be get admission to over net or intranet, whether or not you realize domain or IP or now not. LDAP database can access by using many servers over a network. LDAP is likewise a database of Users, Groups, Services and Resources, which provides a centralized authentication provider.
Question 2. What Is Port Number For Ldap?
Answer :
LDAP – 389 and LDAPS – 636
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Question 3. Why Ldap Is Called Light Weight?
Answer :
Because it's miles a smaller and simpler protocol which became derived from the X.500 DAP (Directory Access Protocol) defined in the OSI community protocol stack.
Question 4. What Is Slapd?
Answer :
SLAPD stands for ‘Stand-Alone LDAP’, advanced for lengthy running tasks.
Linux Tutorial
Question five. What Is Ldif?
Answer :
The LDAP Interchange Format (LDIF) is a widespread textual content document layout for storing LDAP configuration records and listing contents.
Linux Interview Questions
Question 6. What Is Ssl And Tls?
Answer :
SSL (Secure Sockets Layer) certificate are an quintessential part of internet site safety. When you visit a website with SSL the web page’s SSL certificate permits you to encrypt the statistics you ship, which include credit card statistics, names or addresses so it is able to’t be accessed with the aid of hackers.
Question 7. What Is The Name Of Main Configuration File Name For Ldap Server?
Answer :
slapd.Conf
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Question eight. Which Configuration File Is Required For Ldap Clients?
Answer :
ldap.Conf
Question nine. List Three Ldap Client Utilities Or Applications?
Answer :
ldapsearch
ldapadd and
ldapmodify
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Question 10. How To Encrypt The Password?
Answer :
ldappasswd
Question eleven. How Will You Verify Ldap Configuration File?
Answer :
slaptest -u
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Question 12. List Any Graphical Editors For Ldap?
Answer :
(1) GQ, (2) Java LDAP Browser/Editor and (three) Softerra LDAP Browser
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Question thirteen), and NOT (!)
Question 14. How To Configure Ldap Protocol?
Answer :
Follow:
Install openldap-servers package
Modify olcDatabasev bdb.Ldif file and olcDatabasev monitor.Ldif report
Create Database Cache and replace Database
Create certificates for TLS and offer possession of ldap institution to your certificates
Restart slapd service
Question 15. How Can We Create A Tls Certificate?
Answer :
Use command;
# openssl req -new -x509 -nodes -out /and many others/pki/tls/certs/instance.Pem -keyout /and so on/pki/tls/certs/examplekey.Pem -days 365
openssl: crytographic toolkit for SSL & TLS n/w protocols
req: turns on the components of openssl that offers with certificates requests
-new: generate new request
-x509: certificate show and signing application
-nodes: shops private key without shielding it with a passphrase
-out *.Pem: stores certificate request in a record *.Pem
-keyout *key.Pem: shops private key in a document *key.Pem
days: certificate activation days
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Question sixteen. What Is Default Tls Certificate Location?
Answer :
For Debian/Ubuntu:
/and many others/ssl/certs/
For RHEL/Fedora/CentOS:
/and so on/pki/tls/certs/
Question 17. How Can We Migrate Users In Ldap?
Answer :
Following:
Make modifications in keeping with your domain in /usr/share/migrationtools/migrate_common.Ph
# ./migrate_base.Pl > /root/base.Ldif
# getent passwd five > /root/customers <<For 5 users>>
# getent shadow five > /root/passwords <<For 5 users>>
# getent institution 5 > /root/agencies <<For 5 groups>>
# ./migrate_passwd.Pl /root/customers
# ./migrate_passwd.Pl /root/customers > /root/users.Ldif
# ./migrate_group.Pl /root/businesses
# ./migrate_group.Pl /root/customers > /root/organizations.Ldif
Update these files to LDAP server
# ldapadd -x -W -D “cn=Manager,dc=example,dc=com” -f /root/base.Ldif
# ldapadd -x -W -D ‘cn=Manager,dc=example,dc=com” -f /root/users.Ldif
# ldapadd -x -W -D “cn=Manager,dc=instance,dc=com” -f /root/organizations.Ldif
Verify: # ldapsearch -x -b “dc=example,dc=com”
Internet Protocol model four (IPv4) Interview Questions
Question 18. How To Access Ldap From Client Side?
Answer :
# system-config-authentication OR # authconfig -gtk
Linux Interview Questions
Question 19. How Can We Access Home Directory To Ldap Client From Ldap Server?
Answer :
First, go to LDAP server and proportion home listing via NFS server. After this carry out vehicle-mounting through LDAP patron.
Question 20. Is There Graphical Editors For Ldap ?
Answer :
Yes, Following are some GUI based totally equipment for LDAP
GQ
Java LDAP Browser/Editor
Softerra LDAP Browser
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Question 21. What Can I Do If My Application Doesn’t Speak To Ldap ?
Answer :
Gateway that translate one directory get entry to protocol into every other.
Question 22. How Can I Join Information Contained In Different Directories ?
Answer :
Distributed, Multivendor directories glued collectively via referrals and references.
Question 23. What Is “ldif” ?
Answer :
The LDAP Interchange Format (LDIF) is a fashionable text file layout for storing LDAP configuration records and listing contents. LDIF documents are often used to import new statistics into your listing or make changes to present facts.
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Question 24. Name The Object Class Types ?
Answer :
Structural Object magnificence
Auxiliary Object elegance
Abstract item lessons
Active Directory Interview Questions
Question 25. What Is The Name Of Main Configuration File Name For Ldap Server ?
Answer :
slapd.Conf
Question 26. What Is The Relationship Between Ldap And Jndi?
Answer :
JNDI has lessons provided by means of SUN a good way to help ur appln engage with and LDAP server. JNDI appln paintings similarly to JDBC applns once and be free to use ‘drivers’ from distinctive vendors. SUN affords the “motive force” in order to assist engage with the LDAP server. Sun additionally provides “drivers” for other naming services (like CORBA).
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Question 27. Which Web Based Tool You Have Used For Ldap?
Answer :
phpLDAPadmin
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Question 28. How You Will Verify Ldap Configuration File?
Answer :
Use “slaptest” utility.
Question 29. What Is Hdb?
Answer :
HDB is the new era storage mechanism for OpenLDAP. Like its predecessor, the BDB backend, HDB uses the Oracle BerkeleyDB database for storage, however HDB shops entries hierarchically, an ideal healthy for LDAP’s tree shape. The antique BDB backend remains supported, and you could use it by using specifying bdb as opposed to hdb inside the database directive.
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Question 30. Explain Module Load Directive?
Answer :
The moduleload directive instructs OpenLDAP to load a particular module.
Question 31. Explain Modulepath Directive?
Answer :
The modulepath directive affords the full direction to the listing wherein the modules (the compiled libraries) are stored
Question 32. Define Schemas?
Answer :
Schemas provide definitions of the unique item training and attribute sorts that OpenLDAP should aid. Using those, OpenLDAP can determine what entries it's far allowed to store, whether any given entry is valid, and how entries ought to optimally be saved.
Advanced Linux Interview Questions
