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Networking | NFS Aptitude Questions and Answers
Networking | NFS Aptitude Questions and Answers: This section contains aptitude questions and answers on Networking | Network File System (NFS).
Submitted by Nidhi, on June 07, 2021
Networking NFS Aptitude Questions and Answers
1) There are the following statements that are given below, which of them are correct about NFS?
- The NFS is used to share file system resources over the network.
- NFS stands for Network File system.
- NFS is a client/server protocol where File system resources at the server and accessed by the clients.
- NFS is not a client/ server protocol.
Options:
- A and B
- A and C
- A, B, and C
- A, B, and D
Correct answer: 3
A, B, and C
Explanation:
Statements A, B, and C are correct about NFS.
2) In which year NFS was developed?
- 1980
- 1984
- 1991
- 1993
Correct answer: 2
1984
Explanation:
The NFS was developed in 1984.
3) Who was developed NFS?
- IBM
- Sun Microsystems
- Microsoft
- Oracle
Correct answer: 2
Sun Microsystems
Explanation:
The NFS was developed by Sun Microsystems.
4) Which of the following RFC numbers are related to NFS?
- RFC 1094
- RFC 1813
- RFC 3530
- RFC 5661
Options:
- A and B
- A and C
- A, B, and C
- A, B, C, and D
Correct answer: 4
A, B, C, and D
Explanation:
All given RFC numbers are related to Network File System.
5) Which of the following operating systems supports NFS?
- Unix
- Windows
- Mac OS
- Solaris
Options:
- A and B
- A and C
- A, B, and C
- A, B, C, and D
Correct answer: 4
A, B, C, and D
Explanation:
All given operating systems support Network File System.
6) In which layer of TCP/IP model NFS operates?
- Physical layer
- Datalink layer
- Application layer
- A, B, C, and D
Correct answer: 3
Application layer
Explanation:
The NFS operates at the application layer of the TCP/IP model.
7) Which of the following are the main components of NFS architecture?
- RPC
- XDR
- NFS procedures and Operations
- All of the above
Options:
- A and B
- A and C
- B and CC
- D
Correct answer: 4
D
Explanation:
All given options are the main components of NFS architectures.
8) Which of the following daemons are used at the NFS server in the Linux operating system?
- nfsd
- rpcbind
- mountd
- kmpd
Options:
- A and B
- A, B, and C
- B, C, and D
- A, B, C, and D
Correct answer: 2
A, B, and C
Explanation:
The nfsd, rpcbind, and mountd daemons are used at the NFS server in the Linux operating system.
9) In NFS implementation, NFS server and client machines must be run on the same operating system?
- Yes
- No
Correct answer: 2
No
Explanation:
No, it is not mandatory.
10) Which of the following configuration file is used to control on which port RPC and other services are listening in the Redhat Linux operating system?
- /etc/sysconfig/nfs/
- /etc/fstab/
- /etc/exports
- None of the above
Correct answer: 1
/etc/sysconfig/nfs/
Explanation:
The "/etc/sysconfig/nfs/" file is used to control on which port RPC and other services are listening in the Linux operating system.
11) What is the full form of RPC?
- Remote Program Cast
- Remote Predefined Calls
- Remote Procedure Call
- Resources Procedure Call
Correct answer: 3
Remote Procedure Call
Explanation:
The RPC stands for Remote Procedure Call.
12) Which of the following services are used for NFS in the Redhat Linux operating system?
- nfs
- portmap
- mountd
- None of the above
Options:
- A and B
- A, and C
- A, B, and C
- D
Correct answer: 3
A, B, and C
Explanation:
Options A, B, and C are correct services are used for NFS in the Redhat Linux operating system.
13) Which of the following options are used for file sharing in "/etc/exports" file in the Redhat Linux?
- ro
- rw
- no_subtree_check
- no_root_squash
Options:
- A and B
- A, B, and C
- B, C, and D
- A, B, C, and D
Correct answer: 4
A, B, C, and D
Explanation:
All given options are used for file sharing in the "/etc/exports" file in the Redhat Linux.
14) Can we use a Firewall and Kerberos with NFS?
- Yes
- No
Correct answer: 1
Yes
Explanation:
The Firewall and Kerberos can be used with NFS for security purposes?
15) Which of the following options is used in the "/etc/exports" file to provide read-only access for shared files to the NFS clients?
- ro
- readonly
- freadonly
- None of the above
Correct answer: 1
ro
Explanation:
The "ro" option is used to provide read-only access for shared files to the NFS clients.
16) Which of the following service is responsible for mounting and un-mounting of the file system?
- portmap
- rpc.mountd
- mountfile
- mtfile
Correct answer: 2
rpc.mountd
Explanation:
The "rpc.mountd" service is responsible for mounting and un-mounting of the file system.
17) There are the following statements that are given below, which of them are correct about WebNFS?
- The WebNFS is the extension of the NFS to access the file system over the internet.
- This allows easy integration of NFS with a web browser.
- This allows operations through the firewall.
- All the above
Options:
- A and B
- A, and C
- A, B, and C
- D
Correct answer: 4
D
Explanation:
All given statements are correct about WebNFS.
18) What is the full form of TNFS?
- Trivial Network File System
- Triple Network File System
- Trusted Network File System
- Temporary Network File System
Correct answer: 3
Trusted Network File System
Explanation:
The TNFS stands for Trusted Network File System.
19) Which of the following commands are used for NFS?
- exportfs -v
- exportfs -u
- showmount -d
- exportnfs - k
Options:
- A and B
- A and C
- A, B, and C
- A, B, C, and D
Correct answer: 3
A, B, and C
Explanation:
Options A, B, and C are correct commands used for NFS.
20) Which of the following NFS command is used to lists the available shares at the remote server?
- showmount –e <server IP address>
- showmount –d <server IP address>
- exportfs –u <server IP address>
- exportfs –v <server IP address>
Correct answer: 1
showmount –e <server IP address>
Explanation:
The 1st command is used to lists the available shares at the remote server.